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Wyszukujesz frazę "Korkmaz, K." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    A comprehensive emergency management strategy for transportation systems in USA
    Autorzy:
    Korkmaz, K. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/374037.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    emergency management
    transportation systems
    USA highways
    disaster
    hazard
    zarządzanie kryzysowe
    systemy transportowe
    autostrady w USA
    katastrofa
    Opis:
    Transportation systems in USA are an integral part of the current infrastructure systems and involves a huge investment as part of the government and taxpayers. Therefore, transportation systems have economic, social and vital importance for the U.S. Security and safety of transportation systems and infrastructures in case of any possible future disasters and hazards are crucial for state transportation agencies. The objective of this paper is to develop and implement a comprehensive emergency management strategy for transportation systems in the U.S. in case of any disaster and hazards. In this paper, recommendations are provided to define best deployment of updated emergency response into practice. Practical issues are detailed affecting potential implementation of the strategy. Possible actions to address management issues and tools are investigated; and methods of identifying and measuring the impacts associated with implementation of the strategy are explained.
    Źródło:
    Transport Problems; 2017, 12, 4; 153-162
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seismic Risk Assessment of Historical Eastern Turkish Buildings by Finite Element Analysis
    Autorzy:
    Çarhoglu, A.
    Usta, P.
    Korkmaz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1401287.pdf
    Data publikacji:
    2015-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    47.11.Fg
    81.90.+c
    82.20.Wt
    Opis:
    Traditional masonry buildings, commonly built in Turkey, are one of the important items of cultural heritage. There are many important historical buildings in the east part of Turkey. One of the important locations in east of Turkey is Kilis. In this study, Kilis houses of original types in terms of architectural and functionality, were examined regarding the effects of an earthquake. Therefore, five traditional Kilis houses were examined and the buildings were modeled using SAP2000 finite element software. The models were investigated with different materials such as stone, brick, pumice and cellular concrete material. Time history analyses were performed for the modeled buildings, with three different ground motion records. Displacement values, compressive stresses, tensile stresses, shear stresses and base shear values, obtained from the analysis results were examined in detail. When the results of the study were evaluated, earthquake resistance of buildings was was found to be high and the displacements values were not at a significant level.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 4; 1083-1085
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fabrication of Bioactive Coatings on Steel Substrates by Electro-Spark Deposition (ESD) and Micro-Arc Oxidation (MAO) Methods
    Autorzy:
    Yilmaz, M.
    Çakir, A.
    Ribalko, A.
    Korkmaz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193025.pdf
    Data publikacji:
    2015-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.15.-z
    81.05.Bx
    81.05.-t
    81.16.Pr
    Opis:
    In the present study, first Ti6Al4V alloy was deposited on steel (AISI 1060) surfaces by using ESD method. The optimum electrical parameters for the coating process were investigated to obtain high quality coatings. Then, in order to gain bio-compatibility and obtain second layer, which was coated with hydroxyapatite (HAp), MAO technique was applied on the present coating. Resulting duplex layers were characterized with X-ray diffraction (XRD) and scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDX) analysis together with surface roughness, coating thickness, scratch tests and hardness tests.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 4; 1277-1281
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Study on Modification of Micro-Alloy Steel Surfaces with Different Hard Materials Via Electro-Spark Deposition Method
    Autorzy:
    Çakir, A.
    Yilmaz, M.
    Ribalko, A.
    Korkmaz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1401438.pdf
    Data publikacji:
    2015-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.05.Bx
    82.45.Fk
    81.65.Lp
    Opis:
    In this study, micro alloy steel (St 35) surfaces, which were coated with different hard alloy electrode materials via Electro Spark Deposition (ESD) method, have been characterized. The electrode materials were chosen among hard alloys such as; TiCN(Ni), CrC-NiCr, WC(Co) and TiWC(Co). During the ESD experiments, the following pulse parameters in a group were used: pulse current amplitude, pulse duration, electrical charge of 100-200 A, 100 μs, 1000 mC respectively. The surface roughness, thickness of coatings, cross sectional microstructure analysis, phase analysis, micro hardness and adhesion properties of the coated samples were characterized by profilometer, SEM (EDX), XRD, micro hardness tester and scratch adhesion tester respectively.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 4; 1410-1413
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer-assisted assessment of ovarian echotexture parameters in mares following changes after ovulation determined by ultrasonography
    Autorzy:
    Akkus, T.
    Korkmaz, Ö.
    Emre, B.
    Zonturlu, A.K.
    Yaprakci, Ö.
    Powiązania:
    https://bibliotekanauki.pl/articles/16625259.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    computer-aided analysis program
    embryonic death
    mare
    ovarian echotexture
    ovulation
    pregnancy
    Opis:
    This study was carried out to determine the time-dependent changes in the ultrasonographic image of the ovary with computer-assisted analysis programs at certain intervals after ovulation and to determine whether computer-assisted analysis programs and ovulation programs can be managed in cases where the ovulation time is unknown. The study included 40 purebred Arab mares. The study was subdivided into 4 different time periods of 6 (Group 1), 12 (Group 2), 18 (Group 3) and 24 (Group 4) hours following ovulation. In addition, after ovulation and ultrasonographic examination, natural insemination was performed at 6, 12, 18 and 24 hours, and pregnancy examination and follow-up were performed at 15-30-45 days. In the echotexture analysis, mean grayness value (MGV) and contrast (CON) measurements were at different levels according to the time groups (p<0.001). Homogeneity (HOM) measurements were at different levels according to the time groups (p<0.001). A very strong, significant negative correlation was determined between MGV and pregnancy rates (r=-0.91, p=0.01, p<0.05). No significant relationship was observed between HOM values and pregnancy rates (r=0.19, p=0.23, p>0.05). A very strong, significant negative correlation was determined between CON and pregnancy rates (r=-0.92, p=0.01, p<0.05). It was concluded that the use of ultrasonographic echotexture in mares after ovulation provided very important information. In cases where the time of ovulation was not known, by looking at the values of echotexture parameters, it was seen that the highest pregnancy rates were at the 6th hour and the lowest pregnancy rates were at the 24th hour. As the echotexture parameters MGV and CON increased, it was determined that pregnancy rates decreased, but there was no relationship between them and the HOM value.
    Źródło:
    Polish Journal of Veterinary Sciences; 2022, 25, 4; 525-533
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    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:
    Design of Istanbul disaster information system
    Autorzy:
    Torun, M. K.
    Korkmaz, N.
    Karaman, H.
    Yagci, A.
    Yildiz, S. S.
    Ozkan, A.
    Sahin, M.
    Tari, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/225748.pdf
    Data publikacji:
    2006
    Wydawca:
    Politechnika Warszawska. Wydział Geodezji i Kartografii
    Tematy:
    klęski żywiołowe
    zarządzanie kryzysowe
    Turcja
    natural disasters
    crisis management
    Turkey
    Źródło:
    Reports on Geodesy; 2006, z. 5/80; 527-536
    0867-3179
    Pojawia się w:
    Reports on Geodesy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kefir Prevents Adipose Tissue Growth Through the Induction of Apoptotic Elements in High-Fructose Corn Syrup-Fed Rats
    Autorzy:
    Aslan, Esra
    Sadi, Gokhan
    Guzel, Hilal
    Karaca, Cigdem
    Korkmaz, Omer A.
    Pektas, Mine K.
    Celegen, Mehmet
    Aladag, Tugce
    Oncu, Seyma
    Pektas, Mehmet B.
    Powiązania:
    https://bibliotekanauki.pl/articles/16538540.pdf
    Data publikacji:
    2023-05-05
    Wydawca:
    Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
    Tematy:
    adipose tissue
    fructose
    kefir
    apoptosis
    inflammation
    Opis:
    Consumption of high-fructose corn syrup (HFCS) in the diet is a causal factor in the development of abdominal obesity; however, the molecular mechanism behind this association is still up for debate. This study evaluated the metabolic disturbances that are caused by HFCS on adipose tissue as well as the possibility of kefir as a therapy to prevent these metabolic disturbances. Male Wistar rats were divided into four groups: control, kefir, HFCS, and HFCS+kefir. HFCS (20%, w/v) was given in drinking water and kefir (1 mL/100 g body weight) by gastric gavage daily for 8 weeks. Levels of insulin signaling, inflammation, and apoptosis-associated proteins of adipose tissues were determined with Western blot and immunohistochemical techniques. Gene expressions were evaluated with semi-quantitative real-time polymerase chain reaction (qRT-PCR). The indirect terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) method was used to assess changes in apoptotic cells, and hematoxylin/eosin staining to determine adipocyte number and diameter. Accordingly, HFCS boosted protein kinase B (Akt) and p-Akt while reducing nuclear factor κB (NF-κB), and tumor necrosis factor alpha (TNFα) levels and kefir treatment restored Akt induction in HFCS-treated rats despite raising NF-κB, and TNFα. Increased expression of Akt and B-cell lymphoma-2 gene (Bcl2) was contrasted with decreased expression of Nfkb, Tnfa, tumor protein 53 gene (p53), and caspase-8 gene (Casp8). Furthermore, while there was a marked reduction in TUNEL-positive cells in the HFCS group, the number of such cells was greater in the HFCS+kefir group. These results show that HFCS intake suppresses apoptosis in adipose tissues, which may be responsible for tissue development and abdominal obesity and may be reversed with kefir administration due to the activation of apoptosis-associated genes and proteins.
    Źródło:
    Polish Journal of Food and Nutrition Sciences; 2023, 73, 2; 120-129
    1230-0322
    2083-6007
    Pojawia się w:
    Polish Journal of Food and Nutrition Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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