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Tytuł:
The burnishing process of the stainless steel in aspect of the reduction roughness and surface hardening
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/246904.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
burnishing rolling–pressuring process
BRP
surface roughness reduction ratio
degree of relative strain hardening
stainless steel
Opis:
In the article were presented influence of technological parameters of burnishing process on the degree of hardness and reduction roughness. Burnishing process carried out for stainless steels X2CrNiMo17-12-2. The experimental research were obtained in the surface layer increase in hardness and the material ratio curve a convex shaped, which, taking into account the load capacity of the surface will be directly affected by its resistance to wear and corrosion. The experimental research by application of the burnishing rolling – pressuring process (BRP) method were made in the Laboratory of Production Engineering at the Department of Marine Maintenance at the Faculty of Marine Engineering at the Gdynia Maritime University. After the studies it was found that the hardness of the surface layer and the roughness of the shaft necks an important influenced by technological parameters of processing (burnishing speed, feed and depth of burnishing). The objective of applying burnishing process may be, for example, the need to increase surface smoothness and dimensional accuracy of part. To achieve the objectives strengthen and smooth of burnishing stainless steel should be used the one pass burnisher roller and feed fn = 0.2 mm/rev and disk burnishing tool feed an = 1.0 mm and burnishing speed vn = 70 m/min.
Źródło:
Journal of KONES; 2017, 24, 3; 63-69
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of the geometry of the cutting edge and machining parameters of duplex cast steel after turning
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/246936.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
turning
finishing
forming surface layer
surface roughness reduction
duplex cast steel
Opis:
The development and research activity is connected to the production of newer and more functional products. Innovative processes are being developed and applied; services and projects are delivered. Products are work items that should be initially designed, then manufactured and finally sold and utilized. Examples of products may be airplanes, ships, cars, machine tools, gears, crankshafts, drive shaft, tubes as well as gasoline, electricity and gas, etc. The product has to meet the expectations of the future use. It is characterized by a set of functional features. In the case of machines and their capabilities and performance, for example, durability, reliability, resulting from the characteristics represented by the structural units forming the structure. The formation of the desired features of the surface layer in the technological process is an important problem due to the ability of the elements of kinematic pairs to fulfil the function as long as possible foreseen for them. The article presents results of experimental studies of turning cast steel grade GX2CrNiMoCuN25-6-3-3. The aim of the research was to determine the geometry of the cutting edge and the technological parameters of cutting that are conducive to obtaining the roughness in the field of very accurate machining. It can achieve the appropriate technological quality of the workpiece surface. After these experimental studies was determined that there is a reduction roughness using suitable inserts. Turning was made for the duplex cast steel. The technological parameters of machining process were used: feed rate f = 0.1-0.2 mm/rev, depth of cut ap = 0.5 mm, cutting speed vc = 50-100 m/min. Turning was made using universal lathe CDS 500x1000 equipped with CCMT carbide tipped inserts.
Źródło:
Journal of KONES; 2018, 25, 4; 75-81
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Finishing intermetallic coatings in order to reduce the surface roughness
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/247045.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
thermal spraying
intermetallic coatings
surface finishing
cutting inserts
Opis:
The paper presents a shape and grade of inserts depending on the surface roughness of the intermetallic coatings NiAl and Ni3Al. Intermetallic coatings on nickel based were sprayed with a torch Casto-Dyn 8000 on the steel samples. Thermal spraying intermetallic coatings have been high surface roughness, and therefore they must to be finishing. Experimental research was conducted for unalloyed steel samples with thermal spraying NiAl and Ni3Al intermetallic coatings. Before applying coatings, the samples surface was properly prepared by stream abrasive working, degreasing and finally by cleaning of oxidation products. To testing cutting inserts shape selects square and trigon made tungsten carbide and cubic boron nitride (borazon). Machining intermetallic nickel based coatings were carried out for the cutting speed vc = 214 m/min in the case of after-machining with inserts of borazon, vc = 107 m/min cutting inserts for tungsten carbide, used feed fn = 0.06 mm/rev and depth of cut ap = 0.3 mm. Intermetallic coatings are characterized by high resistance to tribology wear. These materials are used in such fields of technology, such as: electronics, energy, defense, automotive, aviation, shipbuilding, and more industry. The NiAl and Ni3Al intermetallic have found widespread applications as high – temperature structural material due to their high melting point, low density, good thermal conductivity and excellent oxidation resistance. The paper proposes the finishing flame sprayed intermetallic coatings.
Źródło:
Journal of KONES; 2013, 20, 1; 77-82
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of parameters burnishing rolling – pressuring process in aspect to technological quality surface layer of 316L stainless steel
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/244990.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
burnishing process
hardness
roughness
surface layer
stainless steel
proces nagniatania
twardość
chropowatość
warstwa powierzchniowa
stal nierdzewna
Opis:
In the manufacturing of machine elements was important to technological quality products. In surface engineering one of the economic and ecological treatments used for technological properties were burnishing rolling – pressuring process. This is a surface plastic forming a local plastic deformation based on the overall impression given by smooth and hard tool. In production, engineering cylindrical outer surfaces (e.g. plugs propulsion shaft centrifugal pumps seawater) were finishing. You can therefore propose burnishing in exchange for abrasive machining. The article presents the influence of parameters for burnishing rolling – pressuring process on the degree of relative strain hardening and surface roughness reduction ratio. Burnishing process carried out for 316L stainless steels. After the experimental study, it was determined that there was an increase in hardness and a decrease in roughness of the top outer cylindrical layer of stainless steel, which can be applied to the centrifugal pump shafts ship. Important question to determine in the article of the research was to receive appropriate technological quality. The burnishing due the technological and economic aspect in the production of machine parts in exchange for the abrasive processing can be used. After the experiments, it was found that the technical parameters are influenced by the hardness and the roughness of the outer cylindrical surfaces and the material ratio curve a convex shaped, which, taking into account the load capacity of the surface will be directly affected by its resistance to wear and corrosion of the surface layer.
Źródło:
Journal of KONES; 2018, 25, 1; 75-81
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Updates of deductive knowledge bases
Uaktualnianie dedukcyjnych baz wiedzy
Autorzy:
Przymusiński, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/91389.pdf
Data publikacji:
2011
Wydawca:
Warszawska Wyższa Szkoła Informatyki
Tematy:
update
types of updates
intelligent artifacts
baza wiedzy
programy adiustacyjne
uaktualnianie wiedzy
Opis:
We are continuously faced with the need to update the knowledge that we possess. Performing frequent updates allows us to learn new facts and discard those that no longer apply. One can reasonably argue that most, if not all, of our knowledge is acquired via suitable sequences of updates. By extension, the same applies to intelligent artifacts, such as intelligent knowledge bases and intelligent agents. However, performing meaningful updates is by no means a trivial task. First of all, we have to be able to properly represent our knowledge and provide it with a precise meaning or semantics. Intelligent artifacts, such as databases and intelligent agents, must be provided with a mathematically precise representation of the knowledge. Moreover, such knowledge must be represented in a manner, which is independent of procedural considerations, easy to communicate, exchange and reason about. We must be able to handle updates in a dynamically changing world and thus we have to decide how to resolve contradictions arising from new updates. Quite often, adding a new fact or a new rule to our knowledge base forces us to remove some other facts or rules that are inconsistent with the newly acquired information. At the same time, we want to make sure that the set of facts that need to be revised or outright deleted is, in some precise sense, minimal. Finally, we need to choose between different approaches to and types of updates. After all, updates were quite extensively studied in the literature for a number of years now. In this presentation, I will describe updates using the so-called interpretation or possible world approach. We will show how a commonsense version of Newton’s principle of inertia can be used to provide an elegant and simple characterization of such updates which properly subsumes the important class of revision programs, due to Marek and Truszczynski [MT, MT2], and the formula update approach, due to Winslett [W]. The presentation is intended to be introductory and accessible to non-experts. Consequently, it will only touch upon the important issues involved. The presented results were obtained jointly with Hudson Turner. For details we refer the reader to our joint paper [PT] and to subsequent papers on dynamic logic programs [APPP, ALPPP].
Nieustannie stajemy przed koniecznością uaktualniania wiedzy, którą już posiadamy. Przeprowadzanie częstych aktualizacji pozwala nam poznać nowe fakty i odrzucić te, które już nie znajdują zastosowania. W artykule opisano sposoby uaktualniania wiedzy przy użyciu podejścia zwanego interpretacją lub światem możliwym. Pokazano jak można wykorzystać zdroworozsądkową wersję newtonowskiej zasady bezwładności do scharakteryzowania w sposób elegancki i prosty powyższych uaktualnień, co właściwie podsumowuje istotną klasę programów adiustacyjnych (za Wiktorem Markiem i Mirosławem Truszczyńskim) i podejście uaktualniania formuł (za Marianne Winslett).
Źródło:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki; 2011, 5, 6; 60-66
1896-396X
2082-8349
Pojawia się w:
Zeszyty Naukowe Warszawskiej Wyższej Szkoły Informatyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
We dont need jaeger air
Autorzy:
Moore, T. C.
Powiązania:
USNI Proceedings 1996, nr 9, s. 32-36
Data publikacji:
1996
Tematy:
Wojska lądowe działania operacyjne wsparcie lotnicze Stany Zjednoczone 1996 r.
Piechota morska działania operacyjne wsparcie lotnicze Stany Zjednoczone 1996 r.
Wsparcie lotnicze operacyjne Stany Zjednoczone 1996 r.
Lotnictwo morskie wsparcie działania operacyjne Stany Zjednoczone 1996 r.
Opis:
Analiza parametrów taktyczno-bojowych lotnictwa morskiego wspierającego operacje wojsk lądowych i piechoty morskiej USA.
Fot.
Dostawca treści:
Bibliografia CBW
Artykuł
Tytuł:
The experimental analysis of the burnishing process using the methods : NPS
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/245624.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
ballizing process
steel tube holes
surface plastic forming
roughness surface
Opis:
The paper presents selected results of experimental research of burnishing process of the steel tube holes. The ballizing process (NPS) is the method of burnishing where consists of pushing the tool through the hole, wherein the ball is greater in size than the opening of the value of the reduction ratio. Used tools to burnishing are hard and smooth surface. Burnishing elements are made of shape: ball, roll and disk. The ballizing process is carry out by a ball. The precise tube holes are made mostly methods abrasive machining. Machining these methods can usually maintain a within the tolerances established by the constructor size and shape and surface roughness. However, not achieved a satisfactory state surface layer of tube holes. Improve the properties of the surface layer can be obtained after application, as finishing, the slide burnishing. Modelling of the burnishing process using the method, NPS is to determine the impact of a specific curvature a rigid tool with of the workpiece. Ballizing process can increase the dimensional accuracy of tube holes, reducing the surface roughness, the strengthening of the surface layer, compressive residual stresses constitution. Compressive internal stresses substantially influence the fatigue life of machine parts. The aim of experimental research was to obtain surface layer state of compressive residual stress and the material ratio curve of convexity shape.
Źródło:
Journal of KONES; 2016, 23, 1; 107-113
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the burnishing process testing by the methods – BRP
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/247792.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
burnishing rolling–pressuring process
BRP
degree of relative strain hardening
surface roughness reduction ratio
surface layer
Opis:
The paper presents choice results of experimental testing of burnishing process by methods BRP – burnishing rolling – pressuring. The burnishing process is a technology of surface plastic forming of machine parts. The plastic deformations are called out by arrangement of strengths causing the superficial crossing the value of tension pressure of the materials. They set the on cold causing except moving the unevenness also the cold work in top layer of workpiece. Studies were conducted for burnishing process of the external cylindrical surfaces. Burnishing carried out for stainless steels. Burnishing technology was proposed using burnished roller (BR-01) in order to give adequate operational characteristics of the shafts neck centrifugal pumps. An important issue to resolve in the article of the research was to obtain appropriate technological quality, and because of the economic aspect of the production and regeneration of machine parts, burnishing applied in exchange for abrasive processing. In experimental studies were obtained in the surface layer increase in hardness and the Abbott-Firestone curve a convex shaped, which given load capacity of the surface will be directly affected by its resistance to wear and corrosion. The burnishing rolling – pressuring process (BRP) were decreased in surface roughness of the top outer cylindrical layer of stainless steel, which can be applied to the centrifugal pump shafts ship.
Źródło:
Journal of KONES; 2016, 23, 3; 121-126
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The finishing of composite coatings in aspect of surface roughness reduction
Autorzy:
Dyl, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/242029.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
composite coatings
flame spraying
cutting inserts
surface finishing
Opis:
The influence of the shape and grade of inserts upon the geometric structure of the composite coatings Ni-5%Al- 15%Al2O3 and alloy coatings of Ni-5% Al is considered in the paper. Nickel matrix coatings were sprayed by the Casto-Dyn 8000 torch on a steel substrate, and then subjected to straight turning. Determining of the optimum geometry of indexing is now synonymous with the selection of the optimum shape and dimensions of the insert and of an appropriate holder. According to cutting board it was selected square, triangular, trigon inserts, made of carbide and of cubic boron nitride (borazon). Machining of nickel-based coatings was carried out for the cutting speed vc = 214 m/min in the case of treatment with borazon inserts, vc = 107m/min in case of plates treated with tungsten carbide cutting, using the feed fn=0.06mm/rev and the depth of cut ap = 0.3 mm. Metal cutting the surface of steel samples coated with a composite coating containing 15% Al2O3 based on nickel, conducted for the cutting speed vc = 157 m/min when machining with borazon inserts and for vc = 83 m/min inserts with tungsten carbide for feed fn = 0.06 mm/rev and depth of cut ap = 0.3 mm. Highly precise finishing of flame spraying composite and alloy coatings was carried out using turning by tool with borazon inserts. Flank (VB) and attack (KB) wear coefficient of inserts while maintaining a constant spiral cutting length (SCL) were determined. Important elements parts (such as engines, pumps, centrifugal separators) are regenerated during long-term utilization. This paper proposes the use of regenerated technology subsonic flame thermal spraying and surface finishing by turning composite and alloy coatings of ship machinery parts.
Źródło:
Journal of KONES; 2013, 20, 2; 75-81
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Defect Detection in Ceramic Materials Based on Time-Frequency Analysis by Using the Method of Impulse Noise
Autorzy:
Akinci, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/177471.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
impulse noise
time-frequency analysis
defect detection in ceramic materials
Opis:
In this study, it was achieved by using the method of impulse noise to detect internal or surface cracks that can occur in the production of ceramic plates. Ceramic materials are often used in the industry, especially as kitchenware and in areas such as the construction sector. Many different methods are used in the quality assurance processes of ceramic materials. In this study, the impact noise method was examined. This method is a test technique that was not used in applications. The method is presented as an examination technique based on whether there is a deformation on the material according to the sound coming from it as a result of a plastic bit hammer impact on the ceramic material. The application of the study was performed on plates made of ceramic materials. Here, it was made with the same type of model plates manufactured from the same material. The noise that would occur as a result of the impact applied on a point determined on the materials to be tested has been examined by the method of time-frequency analysis. The method applied gives pretty good results for distinguishing ceramic plates in good condition from those which are cracked.
Źródło:
Archives of Acoustics; 2011, 36, 1; 77-85
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving the quality of technological surfaces of machines of composite coatings
Autorzy:
Dyl, T. C.
Starosta, R.
Powiązania:
https://bibliotekanauki.pl/articles/243120.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
composite coatings
flame spraying
surface finishing
technological quality
Opis:
Nickel matrix coatings were sprayed by the Casto-Dyn 8000 torch on a steel substrate, and then subjected to straight turning. Determining of the optimum geometry of indexing is now synonymous with the selection of the optimum shape and dimensions of the insert and of an appropriate holder. According to cutting board, it was selected square, triangular, trigon inserts, made of carbide and of cubic boron nitride (borazon). Machining of nickel-based coatings was carried out for the cutting speed vc = 214 m/min in the case of treatment with borazon inserts, vc = 107 m/min in case of plates treated with tungsten carbide cutting, using the feed f =0.06 mm/rev and the depth of cut ap = 0.3 mm. Metal cutting the surface of steel samples coated with a composite coating containing 15% Al2O3 based on nickel, conducted for the cutting speed vc = 157 m/min when machining with borazon inserts and for vc = 83 m/min inserts with tungsten carbide for feed f = 0.06 mm/rev and depth of cut ap = 0.3 mm. Highly precise finishing of flame spraying composite and alloy coatings was carried out using turning by tool with borazon inserts. Flank (VB) and attack (KB) of turning tool wear while maintaining a constant length of spiral cutting (LSC) were determined. The effect of the shape and grade of inserts upon the geometric structure of the composite coatings and is considered in the paper. The article can determine the shape and grade of inserts is necessary to obtain sufficient quality of the shaft of centrifugal pumps with a composite coating.
Źródło:
Journal of KONES; 2014, 21, 1; 75-82
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Power generation problems ranking using a combination of ahp and moora techniques
Autorzy:
Emovon, I.
Nwaoha, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/409492.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
power generation problems
MOORA method
AHP
decision criteria
power generation infrastructure
Opis:
The inadequate electricity generation in Nigeria is the major reason for her economic woes. From the literature some of the problems affecting power generation in Nigeria are lack of policy continuity, drought, Militant activities and corruption. However the degree of impact each of the problem has on power generation varies. Therefore there a need to develop a tool that will identify critical problems such that power generation managers’ will use bulk of the meagre available resources in addressing the more critical ones. In this paper a tool which combine Multi-Objective Optimisation on the basis of Ratio Analysis (MOORA) technique with Analytical Hierarchy Process (AHP) is proposed for the prioritisation of the problems affecting power generation in Nigeria. The technique is illustrated with a numerical example developed from data from experts. From the result of the analysis, poor maintenance of power generation infrastructure, militant activities and corruption are the most critical problems hampering power infrastructure development in Nigeria. The proposed technique have been proven to be effective in prioritising power generation challenges as it produces almost completely same result with well-known mathematical techniques in literature.
Źródło:
Research in Logistics & Production; 2018, 8, 2; 155--168
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximating the solution of a dynamic, stochastic multiple knapsack problem
Autorzy:
Hartman, J. C.
Perry, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/970874.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
programowanie liniowe
dualność
stochastic dynamic programming
approximate dynamic programming
linear programming
duality
Opis:
We model an environment where orders arrive probabilistically over time, with their revenues and capacity requirements becoming known upon arrival. The decision is whether to accept an order, receiving a reward and reserving capacity, or reject an order, freeing capacity for possible future arrivals. We model the dynamic, stochastic multiple knapsack problem (DSMKP) with stochastic dynamic programming (SDP). Multiple knapsacks are used as orders may stay in the system for multiple periods. As the state space grows exponentially in the number of knapsacks and the number of possible orders per period, we utilize linear programming and duality to quickly approximate the end-of-horizon values for the SDP. This helps mitigate end-of-study effects when solving the SDP directly, allowing for the solution of larger problems and leading to increased quality in solutions.
Źródło:
Control and Cybernetics; 2006, 35, 3; 535-550
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morality as a philosophical basis of Nigeria legal system: a justification
Autorzy:
Falana, T. C.
Aina, S. A.
Powiązania:
https://bibliotekanauki.pl/articles/1177799.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Law
Legal System
Morality
Philosophical
Society
Opis:
The philosophical basis of a legal system is the determinant factor of the content and focus of the legislation and judicial decision emanating from the legal system operating within the society. The focus of every legal system should be the pursuit of a society where men’s ambition is actualise within the purview of accepted norms and values guiding the people within the society. The aim of this paper is to examine the concept of morality and law, the intricate relationship between the two concepts and the moral contents in the Nigeria legal system. The methodology adopted is basically doctrinal with the primary source from various legislation and case laws. The secondary source includes articles in journal, internet sources, bible, etc. The paper concludes that there is no distinction between morality and the law but that the two concepts should be seen as complementary to each other in terms of regulating human behaviours. It is also our conclusion that a critical examination of Nigeria legal system through her legislations and judicial decisions is predicated on the basis that law and morality are two sides of the same coin.
Źródło:
World Scientific News; 2018, 99; 47-59
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On maximum induced matching numbers of special grids
Autorzy:
Adefokun, T. C.
Ajayi, D. O.
Powiązania:
https://bibliotekanauki.pl/articles/357751.pdf
Data publikacji:
2018
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
induced matching
grid
maximum induced matching number
strong matching number
skojarzenie
krata
liczba skojarzona
Opis:
A subset M of the edge set of a graph G is an induced matching of $G$ if given any two edges $e_{1}; e_{2} \in M$, none of the vertices on $e_{1}$ is adjacent to any of the vertices on $e_{2}$. Suppose that $Max(G)$, a positive integer, denotes the maximum size of $M$ in $G$, then, $M$ is the maximum induced matching of $G$ and $Max(G)$ is the maximum induced matching number of $G$. In this work, we obtain upper bounds for the maximum induced matching number of grid $G = G_{n,m}, n \geq 9; m \equiv 3 \mod 4; m \geq 7, and nm$ odd.
Źródło:
Journal of Mathematics and Applications; 2018, 41; 5-18
1733-6775
2300-9926
Pojawia się w:
Journal of Mathematics and Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applying LCS to affective image classification in spatial - frequency domain
Autorzy:
Lee, P. -M.
Hsiao, T.-C.
Powiązania:
https://bibliotekanauki.pl/articles/91808.pdf
Data publikacji:
2014
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
image classification
pattern recognition
Hilbert-Huang transform
HHT
empirical mode decomposition
EMD
Hilbert transform
HT
Extended Classifier Systems
XCSs
Area Under Curve
AUC
Radial-Basis Function Network
RBF Network
LCS
Opis:
Recent studies have utilizes color, texture, and composition information of images to achieve affective image classification. However, the features related to spatial-frequency domain that were proven to be useful for traditional pattern recognition have not been tested in this field yet. Furthermore, the experiments conducted by previous studies are not internationally-comparable due to the experimental paradigm adopted. In addition, contributed by recent advances in methodology, that are, Hilbert-Huang Transform (HHT) (i.e. Empirical Mode Decomposition (EMD) and Hilbert Transform (HT)), the resolution of frequency analysis has been improved. Hence, the goal of this research is to achieve the affective image-classification task by adopting a standard experimental paradigm introduces by psychologists in order to produce international-comparable and reproducible results; and also to explore the affective hidden patterns of images in the spatial-frequency domain. To accomplish these goals, multiple human-subject experiments were conducted in laboratory. Extended Classifier Systems (XCSs) was used for model building because the XCS has been applied to a wide range of classification tasks and proved to be competitive in pattern recognition. To exploit the information in the spatial-frequency domain, the traditional EMD has been extended to a two-dimensional version. To summarize, the model built by using the XCS achieves Area Under Curve (AUC) = 0.91 and accuracy rate over 86%. The result of the XCS was compared with other traditional machine-learning algorithms (e.g., Radial-Basis Function Network (RBF Network)) that are normally used for classification tasks. Contributed by proper selection of features for model building, user-independent findings were obtained. For example, it is found that the horizontal visual stimulations contribute more to the emotion elicitation than the vertical visual stimulation. The effect of hue, saturation, and brightness; is also presented.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2014, 4, 2; 99-123
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nanofluid flow and heat transfer of carbon nanotube and graphene platelette nanofluids in entrance region of microchannels
Autorzy:
Fuller, N. E.
Liu, J. T. C.
Powiązania:
https://bibliotekanauki.pl/articles/38606230.pdf
Data publikacji:
2020
Wydawca:
Instytut Podstawowych Problemów Techniki PAN
Tematy:
nanofluids
heat transfer
carbon nanotube
graphene nanoplatelettes
Opis:
Suspensions of nano-scale particles in liquids, dubbed nanofluids, are of great interest for heat transfer applications. Nanofluids potentially offer superior thermal conductivity to alternative, pure fluids and are of particular interest in applications where active cooling of power-dense systems is required. In this work, the thermophysical properties of carbon nanotube nanofluids (CNTNf) and those of graphene nanoplatelette nanofluids (GNPNf) as functions of particle volume fraction are deduced from published experiments. These properties are applied to a perturbative boundary layer model to examine how the velocity and temperature profiles (and correspondingly shear stress and surface heat transfer) vary with the nanoparticle concentration in the entrance region of microchannels. Findings of this modeling effort indicate that both shear stress and heat transfer in GNPNf increase with increasing particle concentration. The normalized increase in shear stress is approximately twice that for heat transfer as a function of the GNP particle concentration. Interestingly, CNTNf shows anti-enhancement heat transfer behaviour; an increasing concentration of CNT nanoparticles is associated with both an increase in shear stress and a decrease in the surface heat transfer rate.
Źródło:
Archives of Mechanics; 2020, 72, 4; 355-379
0373-2029
Pojawia się w:
Archives of Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure and Impact Toughness of Offshore Steel
Autorzy:
Cheng, T.-C.
Yu, C.
Yang, T.-C.
Huang, C.-Y.
Lin, H.-C.
Shiue, R.-K.
Powiązania:
https://bibliotekanauki.pl/articles/351264.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
low-temperature impact toughness
prior austenite grain size
hardenability
bainite
Opis:
This study focused on the effects of microstructures on the low-temperature impact toughness of directly water-quenched offshore steel. Martensite dominated the microstructure directly below the quenched surface. In contrast, mainly lower bainite, martensite, and low amount of ferrite were observed in the central region of the quenched specimen. The ductile to brittle transition temperature of tempered martensite was significantly lower than that of a bainite-dominated microstructure. It is found that low-angle boundaries within the bainite packets greatly impair the low-temperature impact toughness of the steel. The absence of high-angle boundaries in the lower bainite packets significantly deteriorates the low-temperature impact energy of offshore steel.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 1; 167-172
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Artificial Neural Networks for Defect Detection in Ceramic Materials
Autorzy:
Akinci, T. C.
Nogay, H. S.
Yilmaz, O.
Powiązania:
https://bibliotekanauki.pl/articles/176701.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
impulse noise
artificial neural network
ANN
defect detection
ceramic materials
Opis:
In this study, an artificial neural network application was performed to tell if 18 plates of the same material in different shapes and sizes were cracked or not. The cracks in the cracked plates were of different depth and sizes and were non-identical deformations. This ANN model was developed to detect whether the plates under test are cracked or not, when four plates have been selected randomly from among a total of 18 ones. The ANN model used in the study is a model uniquely tailored for this study, but it can be applied to all systems by changing the weight values and without changing the architecture of the model. The developed model was tested using experimental data conducted with 18 plates and the results obtained mainly correspond to this particular case. But the algorithm can be easily generalized for an arbitrary number of items.
Źródło:
Archives of Acoustics; 2012, 37, 3; 279-286
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative analysis of the effect of vernonia amygdaline on subsea transmission pipeline
Autorzy:
Samson, N.
Nwaoha, T. C.
Emmanuel, U. O.
Powiązania:
https://bibliotekanauki.pl/articles/95356.pdf
Data publikacji:
2018
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
pipelines
corrosion
environment
sea water
inhibitors
specimen
VA solution
corrosion rate
weight loss
rurociągi
korozja
środowisko
woda morska
inhibitory
próbka
roztwór VA
szybkość korozji
ubytek masy
Opis:
Subsea transmission pipelines (STP) are designed to transport liquids, gases or solid/liquid mixtures over some distances. STP are buried underground or submerged in water for transportation of natural oil and gas (O&G) products. A Vernonia amygdalina (VA) solution is prepared to act as an inhibitor. The specimens are kept in a workable state. Steps are taken to prepare each specimen. All cuts and sheared edges were ground out to prevent them from becoming sites for preferential attack. The finishing of the specimen surface with grit abrasive paper (sand paper) and rinsing of the specimens in distilled water are carried out. Then, degreasing of specimen in acetone and air-dried are carried out. Upon drying, the specimens are immediately weighed to obtain their initial weights. Twelve specimens are used for the test as follows: 6 Aluminum (Al); and 6 mild steel (MS) samples. With a 2M concentration of VA solution, the MS and Al samples are immersed in different plastic containers containing 400ml of seawater with pH value of 7.25 with no (0%) inhibitor added to it. A 5% (400ml) of the VA solution is poured into the measuring cylinder for each sample-Al and MS. The specimens are suspended by the strings and completely immersed in the different percentage test media. The same procedure is carried out for each of the different percentages (i.e. 10%, 15%, 20%, and 25%) and a total of 12 solutions are set up. The seawater used has 7.25 pH. At the end of every week (168 hours), the specimens are removed from the corrosive media. Observation and recording of appearance of the specimen, noting sites are done to analyze the effect of the VA solution on the AL and MS used for the STP. Values are obtained and graphs plotted on weight loss (WL) and corrosion rate (CR) versus the time. It is observed that the VA solution has different effect on the STP at different time and percentage of the VA solution introduced into the environment of the pipe. It was also observed that optimum inhibition of coupons is obtained between 15-25% of VA solution during the first four weeks of testing. At the fifth week, the inhibitor was gradually losing its effectiveness. This means that more inhibitor needs to be added at regular intervals in order to sustain the effectiveness of the inhibitor.
Źródło:
Journal of Mechanical and Energy Engineering; 2018, 2, 4; 269-276
2544-0780
2544-1671
Pojawia się w:
Journal of Mechanical and Energy Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Social capital and internationalization of commercial banks in Kenya
Социальный капитал и интернационализация коммерческих банков в Кении
Соціальний капітал та інтернаціоналізація комерційних банків Кенії
Autorzy:
Omondi, Philip P.
Ndegwa, Joyce W.
Okech, T. C.
Powiązania:
https://bibliotekanauki.pl/articles/1011798.pdf
Data publikacji:
2020-06-25
Wydawca:
Dnieprowski Uniwersytet Narodowy im. Ołesia Honczara
Tematy:
соціальний капітал
інтернаціоналізація
міжкультурна емпатія
міжособистісний вплив
дипломатія
социальный капитал
интернационализация
межкультурная эмпатия
межличностное влияние
дипломатия
social capital
internationalization
inter-cultural empathy
interpersonal impact
diplomacy
Opis:
Purpose – tо study sought to delve into social capital and commercial banks' internationalization in Kenya drawing on the internationalization concept. Design/Method/Approach. The research adopted a positivist philosophical approach and used a descriptive cross-sectional research design targeting top and middle-level managers in Kenya's commercial banks. Data was collected using a structured questionnaire and analyzed using SPSS version 22.0 for both descriptive and inferential statistics. Structural Equation Modelling was used to establish the influence of social capital on commercial banks' internationalization in Kenya. Findings. The findings established a significant and positive relationship between the components of social capital: inter-cultural empathy, inter- personal impact and diplomacy, and commercial banks' internationalization. Practical implications. The results have significant consequences: Firstly, social capital has a positive and statistically significant relationship with commercial banks' internationalization. Secondly, all dimensions of social capital affect the acquisition of foreign market knowledge and financial resources. Thirdly, the use of individuals' social capital often changes during internationalization. Originality/Value. The study's novelty demonstrates the interaction of commercial banks' managers in Kenya on the application of social capital as an internationalization orientation process. Research Limitations/Future Research. The research contributes to the advancement of location theory. It opens avenues for future research to establish what extent social capital is beneficial to banks that have ventured into international markets. Paper type – empirical.
Мета роботи – вивчити соціальний капітал та інтернаціоналізацію комерційних банків у Кенії, спираючись на концепцію інтернаціоналізації. Дизайн/Метод/План дослідження. У дослідженні було застосовано позитивістський філософський підхід та використано описовий дизайн досліджень у поперечному перерізі, націлений на керівників вищого та середнього рівня в комерційних банках Кенії. Дані були зібрані за допомогою структурованої анкети та проаналізовані за допомогою SPSS версії 22.0 як для описової, так і для випадкової статистики. Моделювання структурних рівнянь було використано для встановлення впливу соціального капіталу на інтернаціоналізацію комерційних банків у Кенії. Результати дослідження. Встановлено значний і позитивний взаємозв’язок між компонентами соціального капіталу: міжкультурною емпатією, міжособистісним впливом та дипломатією та інтернаціоналізацією комерційних банків. Практичне значення дослідження. Результати мають значні наслідки: По-перше, соціальний капітал має позитивні та статистично значущі взаємозв'язки з інтернаціоналізацією комерційних банків. По-друге, всі виміри соціального капіталу впливають на придбання знань на зовнішньому ринку та фінансових ресурсів. По-третє, використання соціального капіталу індивідів часто змінюється під час інтернаціоналізації. Оригінальність/Цінність/Наукова новизна дослідження. Новинка дослідження демонструє взаємодію менеджерів комерційних банків у Кенії щодо застосування соціального капіталу як процесу орієнтації на інтернаціоналізацію. Обмеження досліджень/Перспективи подальших досліджень. Дослідження сприяє вдосконаленню теорії розташування. Це відкриває шляхи для майбутніх досліджень, щоб встановити, наскільки соціальний капітал вигідний банкам, які вийшли на міжнародні ринки. Тип статті – емпіричний.
Цель работи – изучить социальний капитал и интернационализацию коммерческих банков в Кении, основываясь на концепции интернационализации. Дизайн/Метод/План исследования. Использован позитивистский философский подход и описательный кросс-секционный дизайн исследования, ориентированный на руководителей высшего и среднего звена коммерческих банков Кении. Данные были собраны с использованием структурированной анкеты и проанализированы с использованием SPSS версии 22.0 как для описательной, так и для логической статистики. Моделирование структурных уравнений использовалось для определения влияния социального капитала на интернационализацию коммерческих банков в Кении. Результаты исследования. Результаты установили значительную и позитивную взаимосвязь между компонентами социального капитала: межкультурное сочувствие, межличностное влияние и дипломатия, а также интернационализация коммерческих банков. Практическое значение исследования. Результаты имеют важные последствия: во-первых, социальный капитал имеет положительную и статистически значимую связь с интернационализацией коммерческих банков. Во-вторых, все измерения социального капитала влияют на приобретение знаний о зарубежных рынках и финансовых ресурсов. В-третьих, использование социального капитала людей часто меняется в процессе интернационализации. Оригинальность/Ценность/Научная новизна исследования. Новизна исследования демонстрирует взаимодействие менеджеров коммерческих банков Кении по вопросам применения социального капитала как процесса ориентации на интернационализацию. Ограничения исследований /Перспективы будущих исследований. Исследование способствует развитию теории локации. Это открывает возможности для будущих исследований, чтобы установить, в какой степени социальный капитал приносит пользу банкам, которые вышли на международные рынки. Тип статьи – эмпирический.
Źródło:
European Journal of Management Issues; 2020, 28, 1-2; 41-51
2519-8564
Pojawia się w:
European Journal of Management Issues
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rock type-based characterization and petrophysical analysis of the Silurian Acacus sandstones, Ghadames basin, Tunisia
Charakterystyka litologiczna oraz analiza petrofizyczna sylurskich piaskowców Acacus w basenie Ghadames w Tunezji
Autorzy:
Axtmann, T. C.
Baldwin, D.
Peveraro, R.
Vessell, R.
Powiązania:
https://bibliotekanauki.pl/articles/183706.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
porowatość
przepuszczalność
piaskowce Acacus
Tunezja
porosity
permeability
Acacus sandstones
Tunisia
Opis:
Przedmiotem badań były sylurskie piaskowce Acacus o zróżnicowanych własnościach petrofizycznych, wynikających ze zmiennych warunków sedymentacji. Zmienne zailenie oraz wysoko zmineralizowana woda złożowa spowodowały zaniżenie oporności piaskowców. Dodatkowo, obecność minerałów bogatych w żelazo spowodowała, że standardowa interpretacja profilowań geofizyki otworowej w celu wyznaczenia porowatości była nieefektywna. Wykonano podział piaskowców na 5 typów litologiczno-strukturalnych, oparty na cechach rozpoznanych w wyniku badań laboratoryjnych na próbkach piaskowców. Porowatość i przepuszczalność dla wydzielonych typów piaskowców okazały się znacznie lepiej skorelowane w porównaniu do całej grupy danych. Podział zastosowano podczas interpretacji profilowań geofizyki otworowej.
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 2/1; 541-547
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-reported methicillin-resistant Staphylococcus aureus infection in USA pork producers
Autorzy:
Leedom, Larson K R
Smith, T.C.
Donham, K.J.
Powiązania:
https://bibliotekanauki.pl/articles/51288.pdf
Data publikacji:
2010
Wydawca:
Instytut Medycyny Wsi
Tematy:
pork production
pork producer
USA
animal farm
pig
agricultural worker
human disease
infection
methicillin-resistant Staphylococcus aureus
Staphylococcus aureus
Źródło:
Annals of Agricultural and Environmental Medicine; 2010, 17, 2; 331-334
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low temperature seed germination of cucumber: genetic basis of the tolerance trait
Autorzy:
Klosinska, U.
Kozik, E.U.
Nowicki, M.
Wehner, T.C.
Powiązania:
https://bibliotekanauki.pl/articles/1842.pdf
Data publikacji:
2013
Wydawca:
Instytut Ogrodnictwa
Tematy:
cucumber
Cucumis sativus
seed germination
low temperature
chilling
inheritance
genetic factor
cold tolerance
Źródło:
Journal of Horticultural Research; 2013, 21, 2
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neural network-based allocation and self-improved firefly-based optimal sizing of fuel cells in distributed generation systems
Autorzy:
Subramanyam, T. C.
Tulasi Ram, S. S.
Subrahmanyam, J. B. V.
Powiązania:
https://bibliotekanauki.pl/articles/1839111.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
DG system
fuel cells
location
sizing
multiple objectives
firefly algorithm
self-improved firefly algorithm
Opis:
The notion of Distributed Generation (DG) refers to the production of power at the level of consumption. Production of energy on-site, instead of offering it centrally, reduces the cost, internal dependencies, difficulties, inefficiencies, and risks that are related to transmission and distribution systems. In case DG is realized with fuel cells, several issues exist in respect to allocating and sizing of these fuel cells in the system. For solving those issues, dual stage intelligent technique is employed in this paper. First, the Neural Networks (NN) technique is adopted for determining the required location to place the fuel cells. Secondly, an enhanced version of Self Improved Fire-Fly (SIFF) algorithm is adopted for finding the optimal size of the fuel cells. The implemented technique is simulated in four IEEE benchmark test bus systems, and the respective performance analysis along with statistical analysis serves for validation purposes. The here proposed technique is compared with six other known algorithms, namely Particle Swarm Optimization (PSO), Firefly (FF) algorithm, Artificial Bee colony (ABC) algorithm, Improved Artificial Bee colony algorithm (IABC), Genetic Algorithm (GA) and Global Search Optimizer (GSO). The results obtained from the comparative analysis show the enhanced performance of the proposed mechanism.
Źródło:
Control and Cybernetics; 2018, 47, 4; 357-381
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seed protein and esterase isozyme profile among the accession of lemongrass [Cymbopogon flexuosus (Nees ex Steud.) Wats] collected from environmentally different sites
Profil białek i izozymów esterazy w nasionach palczatki pogiętej [Cymbopogon flexuosus (Nees ex Steud.) Wats] zebranej w różnych warunkach środowiskowych
Autorzy:
Sarma, A.
Sarma, H.
Handique, G.K.
Sarma, T.C.
Handique, A.K.
Powiązania:
https://bibliotekanauki.pl/articles/71457.pdf
Data publikacji:
2011
Wydawca:
Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:
seed protein
protein
esterase isoenzyme
isoenzyme
lemon grass zob.lemongrass
lemongrass
Cymbopogon flexuosus
different site
Cochin grass zob.lemongrass
Malabar grass zob.lemongrass
essential oil
Opis:
Seed protein profile and esterase isoenzme were studied in ten accessions of lemongrass [Cymbopogon flexuosus] collected from northeastern India belonging to two major chemotypes – citral and geraniol rich essential oil. Total four esterase isozyme bands were ob55 Vol. 57 No. 3 2011 Seed protein and esterase isozyme profile among the accession of lemongrass served with Rm values in the range of 0.394 to 0.798. Among them one with Rm value 0.747 was unique as it was consistently present in all the accessions irrespective of citral or geraniol rich chemotype. For seed protein, SDS-PAGE analysis of seven accessions (RLJ-TC-1, RLJ-TC-4, RLJ-TC-5, RLJ-TC-8, RLJ-TC-9, RLJ-TC-10 and OD-19) revealed a total of 13 bands among the accessions ranging in the size from 21.5 to 92.0 kd. Six citral rich accessions exhibits very similar seed protein profile with 10 to 11 protein band each. However, the geraniol rich chemo-type RLJ-TC-8 exhibit different profile with only six high molecular proteins. Four seed proteins with molecular weight 92.0, 86.0, 80.4 and 61.6 kd were consistently found in all the chemotypes irrespective of citral or geraniol rich and can be considered as marker for the species. Although esterase isozymes exhibited low polymorphism, yet close similarity of isozyme and seed protein profile can be considered as evidence of genetic homogeneity among the accession of lemongrass.
Badano profil białkowy nasion i izoenzymów esterazy w próbkach palczatki pogiętej [Cymbopogon flexuosus (Nexx ex Steud.) Wats] pochodzących z dziesięciu stanowisk, zebranych w północno-wschodniej części Indii, należących do dwóch głównych chemotypów ze względu na zawartości olejków eterycznych: typu cytralowego i geraniolowego. Współczynnik ruchliwości elektroforetycznej Rm badanych prób wahał się w granicach 0,394– 0,798. Spośród nich współczynnik RM o wartości 0,747 wyróżniał się wśród pozostałych i występował na wszystkich analizowanych stanowiskach niezależnie od charakteru chemotypu. Rozdział elektroforetyczny SDS-PAGE profilu białkowego nasion roślin pochodzących z siedmiu stanowisk (RLJ-TC-1, RLJ-TC-4, RLJ-TC-5, RLJ-TC-8, RLJ-TC-9, RLJ-TC-10 i OD+19) charakteryzował specyficzny układ 13 prążków w zakresie wielkości od 21,5 do 92 kD. U roślin należących do chemotypu cytralowego (6 osobników) stwierdzono podobny układ 10–11 prążków. Jednakże w chemotypie bogatym w geraniol RLJ-TC-8 stwierdzono odmienny profil odpowiadający sześciu wysokocząsteczkowym białkom. W przypadku wszystkich badanych chemotypów obserwowano powtarzający się układ 4 prążków dla białek o wielkościach odpowiednio: 92,0, 86,0, 80,4, 61,6 kd, co pozwala uznać go za marker charakterystyczny dla badanych roślin. Pomimo występowania niskiego stopnia polimorfizmu izoenzymów esterazy, przy jednoczesnej wysokiej zgodności pomiędzy wynikami rozdziału elektroforetycznego izoenzymów i profilu białkowego nasion, można wnioskować o genetycznej homogenności badanych stanowisk palczatki pogiętej.
Źródło:
Herba Polonica; 2011, 57, 3
0018-0599
Pojawia się w:
Herba Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mobile bridge - a portable design siimulator for ship bridge interfaces
Autorzy:
Stratmann, T.C.
Gruenefeld, U.
Hahn, A.
Boll, S.
Stratmann, J.
Schweigert, S.
Powiązania:
https://bibliotekanauki.pl/articles/116133.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
mobile bridge
navigational bridge
portable design simulator
ship bridge interfaces
naviBox
e-navigation
modern navigational bridge
bridge elements
Opis:
Developing new software components for ship bridges is challenging. Mostly due to high costs of testing these components in realistic environments. To reduce these costs the development process is divided into different stages. Whereas, the final test on a real ship bridge is the last step in this process. However, by dividing the development process into different stages new components have to be adapted to each stage individually. To improve the process we propose a mobile ship bridge system to fully support the development process from lab studies to tests in realistic environments. Our system allows developing new software components in the lab and setting it up on a ship bridge without interfering with the vesselʹs navigational systems. Therefore it is linked to a NaviBox to get necessary information such as GPS, AIS, compass, and radar information. Our system is embedded in LABSKAUS, a test bed for the safety assessment of new e‐Navigation systems.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 4; 763-768
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigations on Container Ship Berthing from the Pilot’s Perspective: Accident Analysis, Ethnographic Study, and Online Survey
Autorzy:
Gruenefeld, U.
Stratmann, T.C.
Brueck, Y.
Hahn, A.
Boll, S.
Heuten, W.
Powiązania:
https://bibliotekanauki.pl/articles/116358.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
container ship
ship berthing
pilot’s perspective
accident analysis
ethnographic study
online survey
port operations
Port of Hamburg
Opis:
In recent years, container ships have had to transport more and more goods due to constantly growing demand. Therefore, the container ships for carrying these goods are growing in size, while the harbors fall short in adapting to these changes. As a result, the berthing of these container ships in harbors has become more challenging for harbor pilots. In this work, we identify problems and risks with which pilots are confronted during the berthing process. First, we analyzed approximately 1500 accident reports from six different transportation safety authorities and identified their major causes. Second, we conducted an ethnographic study with harbor pilots in Hamburg to observe their actions. Third, we gained more specific insights on pilots environments and communications through an online survey of 30 harbor pilots from different European countries. We conclude our work with recommendations on how to reduce problems and risks during berthing of container vessels.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 3; 493-498
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Batch scheduling of deteriorating products
Autorzy:
Barketau, M. S.
Cheng, T. C. E.
Kovalyov, M. Y.
Ng, C. T. D.
Powiązania:
https://bibliotekanauki.pl/articles/375908.pdf
Data publikacji:
2007
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
scheduling
batching
remanufacturing
deterioration
Opis:
In this paper we consider the problem of scheduling N jobs on a single machine, where the jobs are processed in batches and the processing time of each job is a simple linear increasing function depending on job's waiting time, which is the time between the start of the processing of the batch to which the job belongs and the start of the processing of the job. Each batch starts from the setup time S. Jobs which are assigned to the batch are being prepared for the processing during time S0 < S. After this preparation they are ready to be processed one by one. The non-negative number bi is associated with job i. The processing time of the i-th job is equal to bi(si - (si(b) + S0)), where si(b) and si are the starting time of the b-th batch to which the i-th job belongs and the starting time of this job, respectively. The objective is to minimize the completion time of the last job. We show that the problem is NP-hard. After that we present an O(N) time algorithm solving the problem optimally for the case bi = b. We further present an O(N2) time approximation algorithm with a performance guarantee 2.
Źródło:
Decision Making in Manufacturing and Services; 2007, 1, 1-2; 25-34
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tracking Exercise Motions of Older Adults Using Contours
Autorzy:
Havens, T C
Alexanderson, G L
Abbott, C C
Keller, J M
Skubic, M
Rantz, M
Powiązania:
https://bibliotekanauki.pl/articles/108766.pdf
Data publikacji:
2009
Wydawca:
Społeczna Akademia Nauk w Łodzi
Tematy:
Computer vision
human factors
human motion capture
swarm optimization
contour extraction
Opis:
In this paper we describe the development of a novel markerless motion capture system and explore its use in documenting elder exercise routines in a health club. This system uses image contour tracking and swarm intelligence methods to track the location of the spine and shoulders during three exercises — treadmill, exercise bike, and overhead lateral pull-down. Validation results show that our method has a mean error of approximately 2 degrees when measuring the angle of the spine or shoulders relative to the horizontal. Qualitative study results demonstrate that our system is capable of providing important feedback about the posture and stability of elders while they are performing exercises. Study participants indicated that feedback from our system would add value to their exercise routines.
Źródło:
Journal of Applied Computer Science Methods; 2009, 1 No. 2; 21-42
1689-9636
Pojawia się w:
Journal of Applied Computer Science Methods
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seasonal variations of allergenic pollen in a Mediterranean region - Alexandroupolis, north-east Greece
Autorzy:
Nikolaidis, C.
Katotomichelakis, M.
Nena, E.
Makris, M.
Tsakas, M.
Michopoulos, I.
Constantinidis, T.C.
Danielides, V.
Powiązania:
https://bibliotekanauki.pl/articles/49543.pdf
Data publikacji:
2015
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2015, 22, 4
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Możliwe narzędzie badania możliwości. O rozrywkowych „grach wojennych” i pożytku, jaki mogą przynieść rozwojowi nauk historycznych
Autorzy:
a, Michał S t a c h u r
Powiązania:
https://bibliotekanauki.pl/articles/702001.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Historyka studia metodologiczne; 2013, 43
0073-277X
Pojawia się w:
Historyka studia metodologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Induction, growth and paclitaxel content of needle- and petiole-derived calli in Himalayan yew (Taxus wallichiana Zucc.) under light-emitting diodes
Autorzy:
Nhut, D.T.
Nguyen, P.L.H.
Don, N.T.
Hien, N.T.T.
Huy, N.P.
Nam, N.B.
Vinh, B.T.
Luan, T.C.
Powiązania:
https://bibliotekanauki.pl/articles/19361.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2014, 56, 2
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of temperature and nitrogen deprivation on cell morphology and physiology of Symbiodinium
Autorzy:
Pasaribu, B.
Li, Y.-S.
Kuo, P.-C.
Lin, I.-P.
Tew, K.-S.
Tzen, J.T.C.
Liao, Y.K.
Chen, C.-S.
Jiang, P.-L.
Powiązania:
https://bibliotekanauki.pl/articles/49111.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Źródło:
Oceanologia; 2016, 58, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of luteolin on spermatological parameters, apoptosis, oxidative stress rate in freezing rabbit semen
Autorzy:
Akarsu, S.A.
Acısu, T.C.
Güngör, İ.H.
Çakır Cihangiroğlu, A.
Koca, R.H.
Türk, G.
Sönmez, M.
Gür, S.
Fırat, F.
Esmer Duruel, H.E.
Powiązania:
https://bibliotekanauki.pl/articles/16647483.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
rabbit
semen
cryopreservation
luteolin
oxidative stress
apoptosis
Opis:
The aim of the present study was to determine the effects of Luteolin (LUT) on semen quality, oxidative stress, apoptosis, acrosomal integrity, mitochondrial membrane potential and dead sperm ratio in rabbits. Ejaculates from six New Zealand rabbits were collected, evaluated and pooled. The pooling was divided into five groups as control (no additive) LUT 25 μM, LUT 50 μM, LUT 100 μM and LUT 200 μM and LUT added. It was then filled into a falcon tube with Tris-based extender at a final concentration of approximately 35 x 106 spermatozoa. Diluated rabbit semen samples were drawn into frozen and thawed. Frozen semen straws were thawed at 37°C in 30 seconds. According to our findings, no statistical difference was found between all doses of luteolin and the control group in the CASA (computer assisted sperm analysis) analysis performed at 4°C. However, total motility, progressive motility and rapid sperm percentage were found to be higher in the frozen and thawed rabbit semen at a dose of LUT 50 μM compared to the other groups (p<0.05). While amplitude of lateral head displacement (ALH) and beat cross-frequency (BCF) values were found at the lowest dose of LUT 200 μM, a statistically significant difference was observed between the other groups. When the flow cytometry results were examined, no statistical difference was found between the rate of dead sperm, acrosomal integrity, mitochondrial membrane potential and apoptosis rate. Morever, the H2O2 percentage was found to be lower in all experimental groups compared to the control group (p<0.001). In conclusion, the addition of LUT in long-term storage of rabbit semen provided a protective effect for spermatozoa with its antioxidative properties against damage caused by cryopreservation.
Źródło:
Polish Journal of Veterinary Sciences; 2023, 26, 1; 91-98
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A skew ray tracing approach for error analysis of a light ray path for optical systems with asymmetrical optical axes
Autorzy:
Liao, T T
Kung, C
Chen, C T
Powiązania:
https://bibliotekanauki.pl/articles/173300.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
skew ray tracing
homogeneous coordinate transformation matrix
error analysis
Opis:
This study applies a skew ray tracing approach based on a 4×4 homogeneous coordinate transformation matrix and Snell’s law to analyze the errors of a ray light path as it passes through a series of optical elements in an asymmetrical optical system. The proposed error analysis methodology considers two principal sources of a light path error, namely: i) the translational errors and the rotational errors which determine the deviation of the light path at each boundary surface, and ii) the differential changes induced in the incident point position and unit directional vector of the refracted/reflected ray as a result of differential changes in the position and unit directional vector of the light source. The validity of the proposed methodology is verified by analyzing the effects of optical errors in a corner cube.
Źródło:
Optica Applicata; 2015, 45, 2; 249-261
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
State of the Art Molecular Beam Epitaxy of III-V Compounds
Autorzy:
Foxon, C. T.
Powiązania:
https://bibliotekanauki.pl/articles/1933668.pdf
Data publikacji:
1995-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
85.60.-q
61.50.Cj
68.55.Bd
72.20.-i
Opis:
This paper discusses molecular beam epitaxy with particular emphasis on the production of state of the art electronic and optoelectronic low dimensional structures and devices. The molecular beam epitaxy process is outlined briefly and the practical problems associated with producing "state of the art" (Al,Ga)As/GaAs structures are considered. Examples include high mobility electron and hole gases, low threshold current lasers and the multi-quantum well solar cells.
Źródło:
Acta Physica Polonica A; 1995, 88, 4; 559-566
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Skomputeryzowane stanowisko do pomiaru i analizy profilu powierzchni
Computerised stand for measurement and analysis of surface profile
Autorzy:
Karpiński, T.
Łukianowicz, C.
Łukianowicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/158390.pdf
Data publikacji:
2000
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Opis:
W artykule przedstawiono skomputeryzowane stanowisko do pomiaru i analizy profilu nierównosci powierzchni. Zawiera ono profilometr, komputer, system akwizycji systemu pomiarowego oraz oprogramowanie umożliwiające analizę i pomiary profilu powierzchni. Oprogramowanie napisane w środowisku programowym Borland delphi pozwala na pracę w systemie MS Windows. Stanowisko jest rozbudowywane w celu analizy topografii powierzchni.
In the paper computerized stand for a measurement and analysis of surface profile is described. This stand contains stylus instrument, microcomputer, system of acquire of measuring signal and software. Software for MS Windows was works out using Borland Delphi. Using this stand , three-dimensional imaging od surface roughness is possible.
Źródło:
Pomiary Automatyka Kontrola; 2000, R. 46, nr 5, 5; 27-30
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza wyników badań zużycia frezu kulowego podczas pięcioosiowej obróbki powierzchni krzywoliniowych
Optimization of bulk flow consumption during 5 axles of crimp surface treatment
Autorzy:
Szynka, T.
Paczkowski, T.
Forjas, C.
Powiązania:
https://bibliotekanauki.pl/articles/95386.pdf
Data publikacji:
2017
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
obróbka pięcioosiowa
frezy kulowe
zużycie narzędzia
CAD/CAM
5-axis machining
ball mills
tool wear
Opis:
Proces obróbki powierzchni krzywoliniowych podczas obróbki pięcioosiowej niesie za sobą wiele zmiennych czynników, na które można wpływać, aby ten proces optymalizować. Działania polegające na zmniejszeniu kosztów wytwarzania przy jednoczesnym zwiększeniu jakości wytwarzanych elementów są pożądane i zawsze aktualne. Przedstawiono wstępne badania zużycia ostrza na frezach trzpieniowych o końcówce kulistej nazywanych frezami kulowymi. Badane frezy wykorzystywano do produkcji stempli i matryc form wtryskowych w zakładach produkcyjnych. Badania pokazują, że można zmniejszyć koszty stosowanych narzędzi, wykorzystując w większym stopniu zakres krawędzi skrawającej.
The process of treating curved surfaces during axial machining has many variable factors that can be influenced to optimize the process. However, not all operations involving the cost of fabrication while increasing the quality of the produced parts are desirable and always up to date. Blade wear on spherical end mills called ball mills used for the production of punches and molds for injection molds in manufacturing plants. The result of this research is the belief that the cost of tools used can be reduced by using a larger cutting edge, and ideally it will be used in its entirety.
Źródło:
Postępy w Inżynierii Mechanicznej; 2017, 9(5); 81-92
2300-3383
Pojawia się w:
Postępy w Inżynierii Mechanicznej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A universal architectural pattern and specification method for robot control system design
Autorzy:
Kornuta, T.
Zieliński, C.
Winiarski, T.
Powiązania:
https://bibliotekanauki.pl/articles/200532.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
autonomous agents
control architectures and programming
service robots
range sensing
recognition
grasping
Opis:
The paper presents a universal architectural pattern and an associated specification method that can be applied in the design of robot control systems. The approach a describes the system in terms of embodied agents and proposes a multi-step decomposition enabling precise definition of their inner structure and operation. An embodied agent is decomposed into effectors, receptors, both real and virtual, and a control subsystem. Those entities communicate through communication buffers. The activities of those entities are governed by FSMs that invoke behaviours formulated in terms of transition functions taking as arguments the contents of input buffers and producing the values inserted into output buffers. The method is exemplified by applying it to the design of a control system of a robot executing one of the most important tasks for a service robot, i.e. picking up, by a position-force controlled robot, an object located using an RGB-D image acquired from a Kinect. Moreover in order to substantiate the universality of the presented approach we present how classical, known from the literature, robotic architectures can be expressed as systems composed of one or more embodied agents.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 1; 3-29
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wstępne obserwacje nad zastosowaniem pszenżyta (Triticale) w żywieniu jagniąt ssących
Predvaritel'nye nabljudenija po ispol'zovaniju tritikale v kormlenii jagnjat-sosunov
Preliminary observations on Triticale application in feeding of sucking lambs
Autorzy:
Gruszecki, T.
Efner, T.
Tarkowski, C.
Powiązania:
https://bibliotekanauki.pl/articles/796696.pdf
Data publikacji:
1988
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
zywienie zwierzat
owce
jagnieta ssace
pasze
pszenzyto
Triticale
mieszanki paszowe
mieszanki tresciwe
animal feeding
sheep
sucking lamb
application
feed mixture
Opis:
Наблюдения проводились на 230 ягнятах польской низинной овцы, разделенных случайно на две группы. В группе 1 (124) животных в период между 28-ым и 100-ым днем жизни кормили рационами, в состав которых как концентратный корм входило тритикале (пшенично-ржаной гибрид), а животные группы 1IV получали кормосмесь CJ. Анализ признаков характеризующих рост, качество шерсти и стоение, а также результаты отбора указывают на пригодность дерти тритикале в кормлении ягнят-сосунов.
The observations were performed on 230 lambs of the Polish lowland sheep divided at random into two groups. Sheep of the group I (124) were additionally fed in the period between the 28th and 100th day of life with feeds, in the composition of which was Triticale, while sheep of the group II obtained instead of Triticale the CJ mixture. The analysis of traits characterizing the growth, wool quality, body conformation and selection results, suggest the suitability of bruised Triticale grain in feeding of sucking lambs.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1988, 352
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena funkcjonalna wybranych ogólnodostępnych odbiorników GPS używanych w sporcie
Functional evaluation of selected GPS receivers used in sport
Autorzy:
Specht, C.
Szot, T.
Powiązania:
https://bibliotekanauki.pl/articles/222074.pdf
Data publikacji:
2012
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
przenośne odbiorniki GPS
lokomocja
sport
mobile GPS receivers
locomotion
leisure
Opis:
Producenci odbiorników GPS wychodząc naprzeciw oczekiwaniom sportowców oraz uczestników różnych rekreacyjnych form ruchu, proponują wiele łatwych w użyciu przenośnych urządzeń umożliwiających odbiór sygnałów nawigacji satelitarnej GPS. W artykule dokonano porównania charakterystyk technicznych oraz przedstawiono wyniki badań ośmiu urządzeń GPS wykorzystywanych w sporcie, w podziale na trzy grupy: odbiorniki dedykowane do dyscyplin sportowych, ogólnodostępne rejestratory oraz telefony komórkowe wykorzystujące pomiary GNSS. Ocenę dokładności wyznaczeń przeprowadzono w oparciu o badania dokładności powtarzalnej i przewidywanej na punkcie geodezyjnym POLREF 5501 w Rybinie. Jednocześnie zaprezentowano uwagi autorów dotyczące przydatności urządzeń GPS w monitorowaniu lokomocji człowieka. Wyniki pomiarów stanowią pierwszy etap prac badawczych, których celem jest ocena przydatności zróżnicowanych technik pomiarowych GNSS w badaniu lokomocji w sporcie.
Producers of GPS receivers nowadays offer many easy to use, mobile units for amateur and professional sportsmen. The article compares technical aspects of different GPS devices and presents the results of tests of eight GPS sport-receivers. The selected GNSS units were divided into groups: dedicated to sports, dataloggers and implemented in mobile phones. The tests were carried out using repeatable and predictable accuracy measurements done on the geodetic network point located in Rybina (POLREF 5501). The geodetic coordinates were transformed in Gauss-Kruger projection to conformal x, y coordinates and statistical distributions were calculated. The article also presents a discussion on other, important in the functional point of view, GPS receiver characteristics, used by sportsmen.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2012, R. 53 nr 1 (188), 1 (188); 131-148
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza wpływu rozszerzenia strefy płatnego parkowania w Krakowie na zachowania kierowców
Analysis of the impact of paid parking zone enlargement on drivers’ parking behaviour in Krakow
Autorzy:
Kubala, C.
Kulpa, T.
Powiązania:
https://bibliotekanauki.pl/articles/248500.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
Tematy:
strefa płatnego parkowania
badania parkowania
parkowanie
paid parking zone
parking measurements
parking
Opis:
W niniejszym artykule przedstawione zostały wyniki badań przeprowadzonych przed oraz po rozszerzeniu Strefy Płatnego Parkowania w Krakowie o obszar Starych Dębnik. Pomiary obejmowały zarówno obszar będący przedmiotem opracowania, jak i sąsiadujące z nim bezpośrednio rejony. Ponadto, zestawiono także rezultaty badań ankietowych dotyczących opinii użytkowników nowo powstałej strefy na temat celowości jej wprowadzenia oraz sposobu funkcjonowania. Realizacja badań pomiarowych i ankietowych pozwoliła na analizę zgromadzonych danych zarówno w sposób ilościowy, przy użyciu wskaźników parkowania (akumulacja, rotacja itp.), jak i w sposób jakościowy (opinie użytkowników strefy).
This paper summarises results of the research conducted before and after Paid Parking Zone in Cracow extension by the area of Stare Dębniki. The conducted measurements applied not only to the newly established parking zone, but also to an assumed area of its influence. Furthermore, questionnaire surveys were carried out. The findings of survey has shown people’s opinions about the purposefulness of its implementation and use of municipal paid parking infrastructure in Stare Dębniki. Thanks to a twofold approach to the issue, it was possible to obtain quantitative and qualitative data about drivers’ parking behaviour changes in Stare Dębniki.
Źródło:
Zeszyty Naukowo-Techniczne Stowarzyszenia Inżynierów i Techników Komunikacji w Krakowie. Seria: Materiały Konferencyjne; 2015, 1(105); 51-60
1231-9171
Pojawia się w:
Zeszyty Naukowo-Techniczne Stowarzyszenia Inżynierów i Techników Komunikacji w Krakowie. Seria: Materiały Konferencyjne
Dostawca treści:
Biblioteka Nauki
Artykuł

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