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Tytuł:
An averaged isotropic model of nonstationary heat transfer in anisotropic hexagonal-type condustors
Makroskopowe modelowanie problemów niestacjonarnego przepływu ciepła w przewodnikach heksagonalnych
Autorzy:
Wierzbicki, E.
Siedlecka, U.
Powiązania:
https://bibliotekanauki.pl/articles/281917.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
macroscopic modelling
heat conduction
periodic conductors
Opis:
A new macroscopic model for non-stationary heat transfer processes in a periodic hexagonal-type anisotropic rigid conductor is formulated. The main aim of this contribution is to show that the macroscopic properties of such a conductor are transversally isotropic. The tolerance averaging technique as a tool of macroscopic modelling is taken into account.
Celem pracy jest sformułowanie makroskopowego modelu niestacjonarnego przepływu ciepła w lokalnie anizotropowych heksagonalnych przewodnikach prostych. Jako narzędzie modelowania zastosowano technikę tolerancyjnego uśredniania. Sformułowano warunki wystarczające na to, by otrzymane równania były izotropowe. Zasadniczym rezultatem pracy jest wykazanie, że własności makroskopowe lokalnie anizotropowech przewodników mogą być transwersalnie izotropowe.
Źródło:
Journal of Theoretical and Applied Mechanics; 2004, 42, 4; 755-770
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poetic Cycles and Information Beyond the Micro-Level of Words: On the Translations of Joseph Brodskys Cycle A Part of Speech Into English and Latvian
Autorzy:
Veckrācis, Jānis
Powiązania:
https://bibliotekanauki.pl/articles/2129721.pdf
Data publikacji:
2021-09-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
poetic cycle
poetry translation
microscopic approach
macroscopic approach
Opis:
A poetic cycle is a specific case of poetic contextualisation and for translators this means additional efforts in identifying the micro- and macro-level network of functional and semantic links. Joseph Brodsky’s cycle A Part of Speech represents a highly conceptual approach and strong integration of each and every poem. In this context the paper briefly outlines different types of micro- and macroscopic approaches to poetry translation. Further practical analysis of some translation issues observed in the respective English and Latvian translations show that decisions of poetry translators are informed by different backgrounds in the author-text-reader relationships. Artistic creativity is certainly present in the translation activity but this does not mean that a completely independent target text is produced.
Źródło:
Research in Language; 2021, 19, 3; 251-265
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of durability of wood coatings containing different waterborne acrylic resins and UV absorbers in natural weathering
Autorzy:
Özgenç, Özlem
Powiązania:
https://bibliotekanauki.pl/articles/2010884.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
Tematy:
colour
weathering
roughness
waterborne acrylic
coating
durability
macroscopic evaluation
Opis:
In this study, pine and beech sapwood samples coated with 12 different waterborne acrylic resin coating systems were exposed to natural weathering in Trabzon, Turkey. The natural weathering test continued for 18 months. In these coating systems, water in different proportions, boric acid, two different acrylic resins and three different UV absorbers supplied by BASF were used. The aim was to compare the durability of 12 different coating systems in natural weathering in terms of colour change, surface roughness and macroscopic evaluation. These test methods were used to evaluate the appearance and physical properties of the coatings after the natural weathering test. The results led to the selection of the best coating formulation for wood durability in natural outdoor conditions. The appearance and physical values after 18 months of the weathering test showed that boric acid increases the durability of the coating for use in outdoor conditions. Additionally, the coating formulation containing especially acrylic resin and Tinuvin 400 DW provided the highest durability against outdoor conditions.
Źródło:
Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2020, 63, 206; 47-61
1644-3985
Pojawia się w:
Drewno. Prace Naukowe. Doniesienia. Komunikaty
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Micro- vs. Macro scope simulation in BPM modelling
Autorzy:
Pietroń, R.
Powiązania:
https://bibliotekanauki.pl/articles/94815.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
BPM
simulation modelling
macroscopic modelling
microscopic modelling
macrosimulation
microsimulation
Opis:
The business structure and process development in many modern companies is assisted by architectures, frameworks, and a new generation of computer systems with a broad representation of methods and tools of design and modelling, i.e. object-oriented, event-oriented, activity-oriented, process-oriented, agent-oriented, communication-oriented, behaviour-oriented, etc. are recommended. The aim of this paper is to compare micro- vs. macro scope modelling and to investigate the relevance of micro- and/or macro simulation in the context of business process management (BPM) modelling for organizational design/redesign. The BPM modelling features and some specific issues of simulation modelling are discussed. Combined with BPM modelling methodologies, these issues are used to drive a concept for development of an integrated methodology for BPM models’ building and simulation approach in organizational BPM design/redesign projects.
Źródło:
Information Systems in Management; 2018, 7, 4; 246-257
2084-5537
2544-1728
Pojawia się w:
Information Systems in Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macroscopic model of energy demand to overcome road grade resistance of vehicle motion
Autorzy:
Ohde, B.
Śląski, G.
Powiązania:
https://bibliotekanauki.pl/articles/263074.pdf
Data publikacji:
2018
Wydawca:
Sieć Badawcza Łukasiewicz. Przemysłowy Instytut Motoryzacji
Tematy:
macroscopic traffic model
macroscopic models of energy consumption
road grade resistance force
makroskopowy model ruchu
makroskopowe modele zużycia energii
konsumpcja
siły oporów drogowych
Opis:
The article discusses the problems of modeling of energy requirements to overcome grade resistance in vehicle motion in macroscopic scale simulations. Authors describe ways of modeling this requirement with the use of forward and backward facing models in microscopic simulations. The data limitation problem is defined, i.e. data only available in sparse values, describing only altitude of nodes between sections at length of several dozen to several hundred meters. Authors propose to use potential energy change as basic approximation of energy demand to overcome grade resistance and show estimated impact of motor and inverter efficiency on electric energy consumption. More accurate model is proposed based on additional road section parameter – hypothetical road peak. Based on carried out verification with an example of route and speed profile, significant improvement of energy estimation made with the three-parameter section altitude description is shown.
Źródło:
Archiwum Motoryzacji; 2018, 81, 3; 91-107
1234-754X
2084-476X
Pojawia się w:
Archiwum Motoryzacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation of Specimens for Macro and Microscopic Examinations of Dissimilar Friction Welded Steel Joints and Their Evaluation According to Applicable Standards
Autorzy:
Ostromęcka, Małgorzata
Szymański, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2116439.pdf
Data publikacji:
2022
Wydawca:
Instytut Kolejnictwa
Tematy:
specimen preparation
macroscopic examination
microscopic examination
dissimilar joint
friction welded joints
Opis:
The article describes the issues related to the preparation for microscopic and macroscopic observation of dissimilar joints obtained by friction welding of 2H13 martensitic steel with B500B reinforcing steel. The results of etching and the main difficulties connected with the preparation of this type of samples for research were presented and discussed.
Źródło:
Problemy Kolejnictwa; 2022, 195; 129--133
0552-2145
2544-9451
Pojawia się w:
Problemy Kolejnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leratiomyces ceres (Strophariaceae, Basidiomycota), new to Poland
Autorzy:
Halama, M.
Gorka, K.
Powiązania:
https://bibliotekanauki.pl/articles/2197186.pdf
Data publikacji:
2019-12-27
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Leratiomyces ceres
macroscopic analysis
microscopic analysis
invasive species
Upper Silesian region
Polska
Opis:
Leratiomyces ceres, an extra-European species hitherto unknown in Poland, was identified in a public park in Rybnik City (SW Poland). The first Polish collections of the fungus were studied using macroscopic and microscopic features. A brief description and illustration of the species, based on Polish specimens, are presented. The ecology and characteristics distinguishing L. ceres from related Leratiomyces species are also discussed.
Źródło:
Acta Mycologica; 2019, 54, 2; 1131
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Archaeobotanical Macroscopic Plant Remains from the Early Neolithic Dwelling Structures at the Brzezie 40, Targowisko 16 and 14–15 Sites in Western Małopolska.
Autorzy:
Abramów, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2085869.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Rzeszowski. Instytut Archeologii Uniwersytetu Rzeszowskiego. Muzeum Okręgowe w Rzeszowie
Tematy:
LBK
Malice culture
macroscopic plant remains
early Neolithic
Targowisko region
SE Poland
Opis:
The aim of this short article is to present the results of archaeobotanical analysis of macroscopic plant remains obtained in 2018–2019, during the test excavations carried out on three selected sites from Targowisko settlement region (Brzezie 40, Targowisko 16 and 14–15). Thanks to the field research strategy adopted, chronologically compact plant remains were obtained from objects included in the house structures, coming from narrow time horizons, equal to the operation time of individual Linienbandkeramik houses from the beginning of the Želiezovce phase (Brzezie 40 and Targowisko 16) and the phase of the classic Malice culture (Targowisko 14–15).
Źródło:
Analecta Archaeologica Ressoviensia; 2021, 16; 63-72
2084-4409
Pojawia się w:
Analecta Archaeologica Ressoviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The soccer-ball problem in quantum space
Autorzy:
Gnatenko, Khrystyna P.
Tkachuk, Volodymyr M.
Powiązania:
https://bibliotekanauki.pl/articles/1943007.pdf
Data publikacji:
2019
Wydawca:
Politechnika Gdańska
Tematy:
quantum space
macroscopic body
weak equivalence principle
minimal length
properties of kinetic energy
Opis:
The monograph is devoted to studies of the problem of a macroscopic body known as the soccer-ball problem in the frame of different deformed algebras leading to space quantization. It is shown that this problem can be solved in a deformed space with a minimal length, in a noncommutative phase space, in a space with a Lie-algebraic noncommutativity, in a twist-deformed space-time due to the relation of parameters of corresponding algebras with mass. In addition, we conclude that this relation gives a possibility to obtain a list of important results in quantum space including recovering the weak equivalence principle, preserving the properties of the kinetic energy, obtaining the Galilean and Lorentz transformations independent of the mass of the particle.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2019, 23, 4; 361-450
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paper Analyses of Tocharian manuscripts of the Pelliot Collection stored in the National Library of France (Bibliothèque nationale de France)
Autorzy:
Arnaud-Nguyen, Emilie
Powiązania:
https://bibliotekanauki.pl/articles/472230.pdf
Data publikacji:
2020-11-16
Wydawca:
Uniwersytet Warszawski. Wydział Dziennikarstwa, Informacji i Bibliologii
Tematy:
Central Asia
Xinjiang
Papermaking technology
Macroscopic analyses
Paul Pelliot
Bibliothèque nationale de France
Opis:
This paper describes the preliminary results of my PhD research within the ERC project “HisTochText”. The aim is to perform macroscopic analyses of archaeological papers from the Pelliot Collection. They are stored in the National Library of France (Bibliothèque nationale de France). Most were discovered in the oasis kingdom of Kucha, inscribed in an ancient Indian writing, brāhmῑ. The language was unknown in France. Kucha was a meeting place for many influences both western and eastern, insofar as paper analysis seeks to determine technological influences and local adaptations. Macroscopic analyses rely on traces found in the material of the paper which may be the result of the many stages in the life of the document: the raw material, the manufacturing process, the conditions of use and the storage conditions, both ancient and modern. To this day 350 fragments have been observed. Little is known about papermaking in Central Asia. As a consequence, every shred of information must be examined in order to determine the differences from and similarities to paper manufacturing in Xinjiang.
Źródło:
Z Badań nad Książką i Księgozbiorami Historycznymi; 2020, 14, 3: Asian paper as writing support; 385-410
1897-0788
2544-8730
Pojawia się w:
Z Badań nad Książką i Księgozbiorami Historycznymi
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macroscopic quality evaluation of lacquered steel sheets
Autorzy:
Kuśmierczak, S.
Svobodova, J.
Powiązania:
https://bibliotekanauki.pl/articles/111755.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
macroscopic evaluation
quality
lacquered sheets
pre-treatment
ocena makroskopowa
jakość
arkusz lakierowany
obróbka wstępna
Opis:
This paper deal with the evaluation of quality of lacquered sheets with different pre-treatments after corrosive loading. Samples will be divided into groups according to the type and duration corrosion loadings. After exposure to corrosive salt mist corrosion chamber, the samples will be evaluated macroscopically according to relevant standards. Low degradation after all time corrosion load was on the sample pre-treated with an alkaline degreasing in combination with a yellow chromating and the samples pre-treated with an alkaline degreasing in combination with surface passivation. On these samples showed no loss of adhesion to the base material and the evaluation of delamination due to corrosion during loading had a low degree of degradation. Surfaces after the cross-cut test did not for both sets of samples after corrosion load all times no defects in the adhesion layer.
Źródło:
Production Engineering Archives; 2014, 2, 1; 23-26
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Understanding changes in the supply pattern of Roman cooking pottery from Morphou Bay to Nea Paphos: evidence from the Paphos Agora Project
Autorzy:
Nocoń, Kamila
Powiązania:
https://bibliotekanauki.pl/articles/2033273.pdf
Data publikacji:
2021-12-31
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
Nea Paphos
cooking pottery
Morphou Bay
early/late Roman period
macroscopic fabric analysis
typological studies
Opis:
The thin-walled cooking pottery of the early to late Roman period originating from the area of Morphou Bay in the northern part of Cyprus, excavated by the Paphos Agora Project of the Jagiellonian University in Kraków, is studied in this paper in order to shed new light on the nature of the supply patterns of this extraordinary class of pottery. The collected data—on the macroscopic characteristic of the ware and shape—and a chronological analysis as well as quantitative study of the assemblage have indicated a continuous presence of this group in Nea Paphos, reflecting perhaps some sort of special social requirements combined with an economic background.
Źródło:
Polish Archaeology in the Mediterranean; 2021, 30(2); 231-249
1234-5415
Pojawia się w:
Polish Archaeology in the Mediterranean
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variation Analysis of CMOS Technologies Using Surface-Potential MOSFET Model
Autorzy:
Mattausch, H. J.
Yumisaki, A.
Sadachika, N.
Kaya, A.
Johguchi, K.
Koide, T.
Miura-Mattausch, M.
Powiązania:
https://bibliotekanauki.pl/articles/308251.pdf
Data publikacji:
2009
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
compact model
fabrication inaccuracy
field-effect transistor
macroscopic
microscopic
potential at channel surface
silicon
within wafer
Opis:
An analysis of the measured macroscopic withinwafer variations for threshold voltage (Vth) and on-current (Ion) over several technology generations (180 nm, 100 nm and 65 nm) is reported. It is verified that the dominant microscopic variations of the MOSFET device can be extracted quantitatively from these macroscopic variation data by applying the surface-potential compact model Hiroshima University STARC IGFET model 2 (HiSIM2), which is presently brought into industrial application. Only a small number of microscopic parameters, representing substrate doping (NSUBC), pocket-implantation doping (NSUBP), carrier-mobility degradation due to gate-interface roughness (MUESR1) and channel-length variation during the gate formation (XLD) are found sufficient to quantitatively reproduce the measured macroscopic within-wafer variations of Vth and Ion for all channel length Lg and all technology generations. Quantitative improvements from 180 nm to 65 nm are confirmed to be quite large for MUESR1 (about 70%) and Lmin(XLD) (55%) variations, related to the gate-oxide interface and the gate-stack structuring, respectively. On the other hand, doping-related technology advances, which are reflected by the variation magnitudes of NSUBC (30%) and NSUBP (25%), are found to be considerably smaller. Furthermore, specific combinations of extreme microscopic parameter-variation values are able to represent the boundaries of macroscopic fabrication inaccuracies for Vth and Ion. These combinations are found to remain identical, not only for all Lg of a given technology node, but also for all investigated technologies with minimum Lg of 180 nm, 100 nm and 65 nm.
Źródło:
Journal of Telecommunications and Information Technology; 2009, 4; 37-44
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Petrographic composition of lignite from the Szczerców deposit, Polish Lowlands
Autorzy:
Pawelec, S.
Bielowicz, B.
Powiązania:
https://bibliotekanauki.pl/articles/100828.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Śląski. Wydział Nauk o Ziemi
Tematy:
węgiel brunatny
skład makroskopowy
skład mikroskopowy
kopalnia Szczerców
lignite
macroscopic composition
microscopic composition
Szczerców lignite deposit
Opis:
Macroscopic and microscopic composition of lignite from the Szczerców deposit belonging to the Bełchatów Lignite Mine (Polish Lowlands) has been examined. The macroscopic composition was determined according to the newest lithological classification of humic coal. On this basis, it has been shown that the main lithotypes occurring in the Szczerców deposit are the detritic and xylodetritic lignites. The petrographic composition of the investigated lignite was determined microscopically for 11 samples. The examined lignite is predominantly composed of macerals from the huminite group. It is in the range from 75.2 to 86%, including atrinite (23.1–40.7%, averaging 28.9%) and densinite (18.2–41.4 %, averaging 24.9%). It also demonstrated that the statistical variability of the macerals content from the huminite group in the studied lignite is very weak in all samples. In addition, the random reflectance of ulminite was measured traditionally. The results, ranging from 0.247 to 0.282%, with the maximum permissible standard deviation < 0.07, were achieved for all analysed lignite samples.
Źródło:
Contemporary Trends in Geoscience; 2016, 5, 2; 92-103
2299-8179
Pojawia się w:
Contemporary Trends in Geoscience
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two dimensional anisotropic macroscopic second-order traffic flow model
Autorzy:
Obed-Fosu, Gabriel
Tabi-Oduro, Francis
Powiązania:
https://bibliotekanauki.pl/articles/1839811.pdf
Data publikacji:
2020
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
viscosity
macroscopic model
traffic waves
Jiang-Wu-Zhu model
cluster effects
lepkość
model makroskopowy
model Jiang-Wu-Zhu
Opis:
In the past, the density-gradient term of second-order macroscopic models was replaced with a speed-gradient term to rectify the rearward movement of traffic waves. Hither, a classical speed-gradient macroscopic model is extended to account for the lateral flow dynamics on a multi-lane road. The anisotropic model is modified to capture some inherent vehicular multi-lane traffic features; lateral viscosity and velocity differentials. These variables are quantized within the scope of a two-dimensional spatial domain as opposed to the existing one-dimensional model. A detailed exemplification of acceleration and deceleration waves, stop-and-go waves, and cluster effects are presented to explain the path of information flow. All these non-linear flow properties are evident throughout the simulation.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2020, 19, 2; 59--71
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
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