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Wyświetlanie 1-15 z 19
Tytuł:
Possible genetic resemblance among white coated shepherd dogs such as Turkish Akbash Shepherd, Polish Tatra, Kuvasz, Chuvach, and Central Asian Shepherd Dog
Możliwe podobieństwo genetyczne u psów pasterskich o białym umaszczeniu, takich jak turecki owczarek akbash, polski owczarek podhalański, kuvasz, chuvach i owczarek środkowoazjatycki
Autorzy:
Yılmaz, O.
Powiązania:
https://bibliotekanauki.pl/articles/29433614.pdf
Data publikacji:
2022
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
Canis familiaris
shepherd dogs
genetic relationship
Akbash Sheperd
Tatra Mountains
Kuvasz
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2022, 21, 1; 11-16
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The design of remote controlled bomb destruction robot implemented using mechatronics design method
Autorzy:
Ersoy, S.
Yilmaz, Ö.
Powiązania:
https://bibliotekanauki.pl/articles/386255.pdf
Data publikacji:
2008
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
robot zdalnie sterowany
mechatroniczne metody projektowe
mechatronics design method
remote controlled robot
Opis:
At the present day, the duration of product life is much shortened as a result of the customer demands changing rapidly and intensive competition. The customary design and production technologies have remained incapable against such hard conditions and consequently new concepts and methods have arisen. One of those concepts is “Mechatronics Engineering”. The mechatronics design method is based on an integrated approach to form the design eventuating in mainly match-purpose products instead of sequential design. The basic combination of the mechatronics approach is based on the usage of system model and simulation through prototype stages. The first step in development of the mechatronics systems is analyzing customer demands and the technical frame in which the system is combined. Generally the Mechatronics Design Process is rounded up the under seven mean headings. At the present day, remote controlled robotic systems are required for various purposes such as research, education, commerce etc. The target in this study is to design a remote controllable robot equipped with control capability with a robotic arm, to be developed following the Mechatronics Design Processes and used for the purpose of bomb defusing.
Źródło:
Acta Mechanica et Automatica; 2008, 2, 4; 11-15
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Three-dimensional reconstruction and morphometric analysis of the mandible in Van cats: A computed tomography (CT) study
Autorzy:
Yilmaz, O.
Demircioglu, İ.
Powiązania:
https://bibliotekanauki.pl/articles/2087193.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
computed tomography
mandible
morphometry
three-dimensional reconstruction
Van cat
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 2; 261-270
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution of domestic animals to human economic and social life
Udział zwierząt domowych w życiu gospodarczym i społecznym człowieka
Autorzy:
Kayabasi, E.T.
Yilmaz, O.
Powiązania:
https://bibliotekanauki.pl/articles/29433613.pdf
Data publikacji:
2022
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
domestic animal
pet
sociology
economic benefit
human-animal relationship
Covid-19
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2022, 21, 1; 29-34
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methanol Vapor Sensing by Porous Silicon
Autorzy:
Yılmaz, O.
Kayahan, E.
Gören, F.
Dumludağ, F.
Powiązania:
https://bibliotekanauki.pl/articles/1195231.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
07.07.Df
Opis:
In this study, methanol vapor sensing of porous silicon was investigated. The porous silicon samples were anodized in HF based solution and rinsed with ethanol or deionized water after the anodisation. Porous silicon surface is very sensitive for methanol vapor sensing and the sensitivity affect from the rinsing procedure of porous silicon. The experimental results show that porous silicon is a promising candidate material for sensing methanol vapor.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 288-289
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
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:
Assessment on Gamma Attenuation Behavior of W-VC-C and W-VC-TiC-C Composites for Co-60 Radioisotope
Autorzy:
Demir, E.
Tugrul, A.
Sonmez, S.
Ovecoglu, L.
Buyuk, B.
Yilmaz, O.
Powiązania:
https://bibliotekanauki.pl/articles/1031587.pdf
Data publikacji:
2017-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
attenuation coefficient
Co-60
radiation shielding material
transmission technique
W-VC-C-TiC composite
Opis:
In this study, tungsten-vanadium carbide-graphite (W-VC-C) and tungsten-vanadium carbide-titanium carbide-graphite composite (W-VC-TiC-C) materials were investigated against Co-60 gamma radioisotope. The composite materials which are used in advanced technological studies and high temperature applications in many various fields especially in the areas of fission and fusion armor materials were produced by mechanical alloying method as in two groups. One of them include 93% tungsten (W), 6% vanadium carbide (VC) and 1% graphite (C) also which has three different alloying times (6-12-24 h). Other group of the samples was composed of 91% tungsten, 6% vanadium carbide (VC), 2% titanium carbide (TiC) and 1% graphite (C) also which has three different alloying times (6-12-24 h) and sintered at 1750°C. Co-60 gamma radioisotope source and gamma transmission technique were used in the experiments to investigate the properties of the composite materials. The mass attenuation coefficients of the samples were determined by using experimental results and theoretical mass attenuation coefficients were calculated from XCOM computer code. It can be concluded that increasing the tungsten ratio causes higher mass attenuation coefficient and the composite materials have provided us benefits better than lead for radiation gamma shielding.
Źródło:
Acta Physica Polonica A; 2017, 132, 3; 830-832
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Investigation on the Mass Attenuation Coefficients of W-VC-C and W-VC-TiC-C Composites for Gamma Radioisotopes
Autorzy:
Tuğrul, A.
Demir, E.
Yılmaz, O.
Sönmez, S.
Öveçoğlu, M.
Büyük, B.
Powiązania:
https://bibliotekanauki.pl/articles/1187451.pdf
Data publikacji:
2016-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
25.20.Dc
81.05.Mh
Opis:
In this study, tungsten-vanadium carbide-graphite and tungsten-vanadium carbide-titanium carbide-graphite composites (W-VC-TiC-C) which can be used in high-tech equipment were investigated against different gamma radioisotopes. The composite materials were produced via mechanical alloying method in two groups; one of them includes 93% tungsten (W), 6% vanadium carbide (VC) and 1% graphite (C) which was synthesized during three different alloying times (6, 12, 24 hours). Other group of the samples were composited as 91% tungsten, 6% vanadium carbide (VC), 2% titanium carbide (TiC) and 1% graphite (C) which has also three different alloying times (6, 12, 24 hours). Gamma transmission technique was used in the experiments to investigate the gamma attenuation properties of the composite materials. Linear and mass attenuation coefficients of the samples were determined in the experiments and theoretical mass attenuation coefficients were calculated using widely acknowledged XCOM computer code. The experimental mass attenuation coefficients and calculated theoretical results were compared and evaluated with each other. Results showed that gamma attenuation coefficients of the composite materials dependent on alloying time. It can be concluded that increasing the tungsten ratio causes higher linear attenuation coefficient which decreases with increasing gamma energies.
Źródło:
Acta Physica Polonica A; 2016, 129, 4; 724-727
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of flunixin meglumine and meloxicam influence on postoperative and oxidative stress in ovariohysterectomized bitches
Autorzy:
Yilmaz, O.
Korkmaz, M.
Jaroszewski, J.J.
Yazici, E.
Ulutas, E.
Saritas, Z.K.
Powiązania:
https://bibliotekanauki.pl/articles/31619.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
The aim of this study was to compare the effect of flunixin meglumine (FM) and meloxicam (M) on postoperative and oxidative stress in ovariohysterectomized bitches. Twenty four bitches were divided into three groups (n=8 in each) and treated during premedication as follows: FM (2.2 mg/kg, iv, Fluvil, Vilsan, Turkey), M (0.2 mg/kg, sc, Maxicam, Sanovel, Turkey) or 0.9% saline (1 ml, iv, IE, Turkey) - control (C) group. The concentrations of serum cortisol, nitric oxide (NO), malondialdehyde (MDA), antioxidant potential (AOP) and glutation (GSH) were measured in blood samples collected during incision (0 h), closure of incision line (0.5 h) and 1, 2.5, 12 and 24 hours after incision. It was observed that cortisol level was higher at 0.5, 1 and 2.5 h in group C (p < 0.05), 0.5 h in group FM (p < 0.001), and 1 and 2.5 h in group M (p < 0.01), as compared to that determine at 0 h. Group C showed higher cortisol level during 0.5 h (p < 0.05) than that found in the other groups. Group FM displayed lower levels during 1 h (p < 0.01) and 2.5 h (p < 0.05) as compared to those observed in other groups. Concentrations of MDA, AOP and GSH between all the groups did not show any significant differences. MDA level was higher at 0.5 and 1 h in groupM (p < 0.05) than that found in group C and it was the lowest at 2.5 h in group C (p < 0.05). AOP was higher at 2.5 h in group FM and M (p < 0.05) than that observed in group C, and at 12 and 24 h in group M than that found in group C and FM. GSH did not show any significant differences between the groups. NO level in group FM after 12 h was higher (p < 0.05) than that at 0.5, 1 and 24 h. Moreover, NO level was lower at 0.5 (p < 0.01), 1 (p < 0.05) and 24 h (p < 0.05) in group FM than that observed in group C and M. In conclusion, flunixin meglumine decreases cortisol and NO levels more efficiently than meloxicam. Therefore, it is suggested that postoperative stress following ovariohysterectomy may be prevented by flunixin meglumine in bitches.
Źródło:
Polish Journal of Veterinary Sciences; 2014, 17, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microstructure and Wear Properties of FeCrC, FeW and Feti Modified Iron Based Alloy Coating Deposited by PTA Process on AISI 430 Steel
Mikrostruktura i właściwości zużycia modyfikowanych powłok stopowych na bazie żelaza FeCrC, FeW i FeTi nakładanych metodą PTA na stal AISI 430
Autorzy:
Teker, T
Karataş, S.
Yilmaz, S. O.
Powiązania:
https://bibliotekanauki.pl/articles/355642.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PTA
AISI 430
surface coating
ferrytyczna stal AISI 430
powłoka kompozytowa
Opis:
The plasma transferred arc (PTA) process was used for developing wear resistance of AISI 430 steel substrate. Appropriate quantities of FeCrC, FeW and FeTi powders were combined to create conditions that synthesized M7C3 particles into reinforced Fe-based composite surface coating. The phase transformations on new created coated surfaces were comprehensively examined by using a combination of scanning electron microscopy (SEM), microanalysis by energy dispersive spectrometry (EDS), X-Ray diffraction (XRD), microhardness and abrasive wear tests. The microstructure studies of the superficial layers of the coating revealed presence of a mixture of the dendritic phase structure of austenite (γ) and fine eutectic M7C3 carbides. The results show that; the concentrations of the elements (Cr, W, Ti) added as ferroalloys, the size of dendrites formed in the coated surface, the change of hardness of the coated surfaces, the carbide volume rate and thickness of the coating changed by the variation of the processing parameters (ratio of reinforcement particulates and heat input).
Technika PTA została zastosowana jest do podwyższania odporności na zużycie podłoży ze stali AISI 430. Odpowiednie ilości proszków FeCrC, FeW i FeTi połączono w celu stworzenia warunków, w których syntetyzowane są cząsteczki M7C3 zbrojące powłoki kompozytowe na bazie Fe. Przemiany fazowe w nowo utworzonych powlokach zostały szczegółowo zbadane za pomocą kombinacji skaningowej mikroskopii elektronowej (SEM), mikroanalizy spektrometrią dyspersji energii (EDS), dyfrakcji rentgenowskiej (XRD), mikrotwardości i testów ścierania. Badania mikrostruktury wierzchnich warstw powłoki wykazały obecność mieszaniny struktury dendrytycznej austenitu (γ) i drobnych eutektycznych węglików M7C3. Wyniki pokazują, że: stężenie pierwiastków (Cr, W, Ti) dodanych jako żelazostopów, wielkość dendrytów utworzonych w powłoce, zmiany twardości powłoki, szybkość objętościowa węglików i grubość powłoki zmieniają się ze zmianą parametrów procesu (stosunek cząstek wzmacniających i mocy cieplnej).
Źródło:
Archives of Metallurgy and Materials; 2014, 59, 3; 925-933
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of CBC and G-POSS on Tribological Behaviour of Polyamide 6 and Short Glass Fiber Reinforced Polyamide 6 Composites
Autorzy:
Gul, O.
Yilmaz, S.
Yilmaz, T.
Powiązania:
https://bibliotekanauki.pl/articles/1194067.pdf
Data publikacji:
2015-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.40.Pq
81.05.Qk
Opis:
In this study, effect of glycidylisobutyl oligomeric silsesquioxane (G-POSS) and 1.1'-carbonyl-bis-caprolactam (CBC) (1 wt.%) on the friction and wear performance of polyamide 6 (PA6) and short glass fiber (SGF) (10 and 20 wt.%) reinforced PA6 composites were investigated. Adhesive wear tests were carried out by using a tribometer in block-on-ring configuration (ASTM G77), in sliding conditions, without lubricants and in air. Tests were carried out at sliding speed of 1.6 m/s (511 rpm) and applied load values of 25, 50 and 75 N. Wear rate was calculated using weight loss per unit sliding distance. The results showed that, the friction force increases with the increasing load. It was found that the wear resistance of PA6 improved considerably after doping with CBC.
Źródło:
Acta Physica Polonica A; 2015, 127, 4; 1121-1123
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Pulse Duration on Structure and Surface Characteristics of Micro-Arc Oxidation Coatings Formed on Aluminum Alloy
Autorzy:
Yilmaz, M.
Şahin, O.
Powiązania:
https://bibliotekanauki.pl/articles/1186801.pdf
Data publikacji:
2016-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Bx
81.15.-z
81.16.Pr
Opis:
Micro arc oxidation (MAO) of aluminum alloy samples was studied using bipolar pulses with various pulse durations under constant duty cycle. The processing times were chosen as 20, 30 and 40 minutes. The X-ray diffraction (XRD) technique, scanning electron microscope (SEM), surface roughness measurement (R_a) and indentation tests were employed to investigate the phase distribution, microstructure, surface properties and hardness of the coatings, respectively. By increasing the pulse duration and processing time, coatings with different surface roughness, thickness and hardness were fabricated.
Źródło:
Acta Physica Polonica A; 2016, 129, 4; 673-676
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidemiological characteristics, seasonality, trends of dog bite injuries, and relationship with meteorological data
Autorzy:
Yılmaz, S.
Delice, O.
Yılmaz, S.İ.
Powiązania:
https://bibliotekanauki.pl/articles/28761705.pdf
Data publikacji:
2023
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2023, 30, 2; 229-234
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving the Surface Properties of Cp-Ti by Pulsed Electro-Spark Deposition
Autorzy:
Yılmaz, M.
Atar, E.
Şahin, O.
Kayalı, E.
Powiązania:
https://bibliotekanauki.pl/articles/1293045.pdf
Data publikacji:
2014-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.47.De
61.82.Bg
Opis:
Al-Ti intermetallic compounds were coated by electro-spark deposition. Commercially pure titanium (Cp-Ti) (grade 2) and aluminum rods were used as substrate and electrode materials, respectively. During the electro-spark deposition experiments the following pulse parameters in a group were used: pulse current amplitude, pulse duration and pause between the pulses of a pulse group with 100-300-500 A, 50-100 μs, and 100 μs, respectively. Al-Ti coatings having a thickness range of 15-30 μm were formed on the surface of titanium substrate using electro-spark deposition process. The coating properties such as the roughness and the thickness increased with increasing pulse duration and pulse current amplitude. The mass transfer coefficient decreased with increasing pulse current amplitude and pulse duration. The quality of the adhesion characters of the coatings, determined by Rockwell-C adhesion test, becomes worse from HF-2 to HF-4, due to increase of pulse current amplitude. Depending on the electro-spark deposition process parameters, the coating formed as AlTi or as layered structure consisting of AlTi+$AlTi_3$ when pulse current amplitude increases. The Al-Ti coatings include some micro cracks lying throughout the coating from surface to interface which is nature of this process. The maximum cross-sectional hardness of the coatings were in the range of 800-1150 HV.
Źródło:
Acta Physica Polonica A; 2014, 125, 2; 593-596
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An alternative method in fixation of tibial transverse fractures by intramedullar nailing : Biomechanical and histopathologic investigation
Autorzy:
Aksakal, B.
Varis, O.
Say, Y.
Kom, M.
Yilmaz, E.
Powiązania:
https://bibliotekanauki.pl/articles/951813.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
bone fracture
intramedular nails
coating
fixation
biomechanics
biomechanika
złamanie kości
powłoka
Opis:
A new method was used in fixation of tibial bone fractures. Intramadular nailing (IMN) has been used into mid-diaphysis on left tibias of New Zeland rabbits (n = 5) via an in vivo work. To enable fixation of fracture, without causing too much screw damage on bone and avoiding malunion, nano- and micro-scale hydroxyapatite (HA) was coated at two ends (25 mm in length) of intramadular nails before implantation. After six weeks of survival period and sacrifizing, biomechanical tests and histopathologic examinations were executed. Such experiments have revealed that good stabilization and hence better fracture union for both treated IMN groups (NHA and MHA) over the standard IMN’. Pull-out tests showed the tensile strengths obtained to be significantly higher for the nano (NHA) and micro scale-MHA coated IMN compared to the uncoated standard IM nailing.
Źródło:
Acta of Bioengineering and Biomechanics; 2013, 15, 2; 81-90
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 19

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