http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Killing Magnetic Flux surfaces in Euclidean 3-space
Zehra Ozdemir,Ismail Gok,Yusuf Yayli,F. Nejat EKMEKCI 호남수학회 2019 호남수학학술지 Vol.41 No.2
In this paper, we give a geometric approach to Killing magnetic flux surfaces in Euclidean 3-space and solve the differential equations which expressed the mentioned surfaces. Furthermore we give some examples and draw their pictures by using the programme Mathematica.
KILLING MAGNETIC FLUX SURFACES IN EUCLIDEAN 3-SPACE
Ozdemir, Zehra,Gok, Ismail,Yayli, Yusuf,Ekmekci, F. Nejat The Honam Mathematical Society 2019 호남수학학술지 Vol.41 No.2
In this paper, we give a geometric approach to Killing magnetic flux surfaces in Euclidean 3-space and solve the differential equations which expressed the mentioned surfaces. Furthermore we give some examples and draw their pictures by using the programme Mathematica.
N. Burak Kiremitler,Abidin Esidir,Zehra Gozutok,Ahmet Turan Ozdemir,M. Serdar Onses 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.95 No.-
All-solution processable fabrication of high performance transparent conductive electrodes is vital fornext-generation optoelectronics applications. In this study, rapid and versatile fabrication of highperformancetransparent electrodes by synergetic integration of electrospun nanofibers and particle-freereactive silver inks is reported. Direct electrospinning of reactive silver ink containing polymer blendsolution followed by a swift thermal annealing enables fabrication of transparent conductive electrodes(TCEs) with a sheet resistance of1.9 V/sq with 90% transmission. The high-performance TCEs werefabricated within couple of minutes including the electrospinning and thermal annealing duration. Thekey aspects of our strategy are the use of a polymer blend consisting of poly(ethylene oxide) (PEO) andpolyvinylpyrrolidone (PVP) and particle-free nature of reactive silver inks. Practical utility of thefabricated transparent electrodes in Joule heaters that work at temperatures as high as 300 C ispresented. The simple, versatile, inexpensive, and rapid fabrication of transparent conductive electrodescan enable broad range of applications.
Akpinar Cetin Kursad,Gurkaş Erdem,Aykac Ozlem,Uysal Zehra,Ozdemir Atilla Ozcan 대한신경중재치료의학회 2021 Neurointervention Vol.16 No.1
Purpose: Red blood cell distribution width (RDW) evaluates the variation (size heterogeneity) in red blood cells. Elevated RDW has been identified as a predictor of poor functional outcomes for acute ischemic stroke. The association between elevated RDW level and poor functional outcome in stroke patients undergoing mechanical thrombectomy has not been reported before. This study aims to investigate this relationship.Materials and Methods: This was a multicenter retrospective study involving the prospectively and consecutively collected data of 205 adult stroke patients who underwent mechanical thrombectomy for anterior circulation large vessel occlusion (middle cerebral artery M1, anterior cerebral artery A1, tandem ICA-MCA, carotid T) between July 2017 and December 2019. RDW cut off levels were accepted as >16%. The effect of elevated RDW on poor functional outcome (modified Rankin scale 3–6) was investigated using bivariate and multivariate regression analysis.Results: Elevated RDW was significantly associated with poor functional outcome in bivariate and multivariate analysis (odds ratio [OR] for RDW >16%, 2.078; 95% confidence interval [95% CI], 1.083–3.966; P=0.027 and OR for RDW >16%, 2.873; 95% CI, 1.342–6.151; P=0.007; respectively).Conclusion: These findings suggest that elevated RDW may be an independent predictor of poor functional outcomes in ischemic stroke patients undergoing mechanical thrombectomy.
May the Platelet to Lymphocyte Ratio be a Prognostic Factor for Epithelial Ovarian Cancer?
Kokcu, Arif,Kurtoglu, Emel,Celik, Handan,Tosun, Migraci,Malatyalıoglu, Erdal,Ozdemir, Ayse Zehra Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.22
Background: The study aimed to evaluate changes in hematologic parameters, including white blood cell, platelet count, platelet indices, the platelet to lymphocyte and neutrophil to lymphocyte ratios in patients with early and advanced stages of epithelial ovarian cancers. Materials and Methods: The study included 100 patients with epithelial ovarian cancer who underwent primary staging exploratory laparotomy. Preoperative hematologic parameters, tumor histopathologic type, grade, stage and serum CA-125 levels were retrospectively analyzed. These parameters were compared between the patients with early (stage I-II) and advanced (stage III-IV) ovarian cancer. Results: White blood cell count and platelet indices, including mean platelet volume, platelet distribution width and platelet crit did not show a statistically significant difference between groups with early and advanced ovarian cancer. However, the neutrophil to lymphocyte ratio, platelet count, the platelet to lymphocyte ratio and CA-125 level showed a statistically significant difference between the two groups (p<0.05, p<0.01, p<0.001, p<0.01 respectively). Conclusions: It was found that the neutrophil to lymphocyte ratio, platelet count and the platelet to lymphocyte ratio increased with the increasing stage of ovarian cancer. Furthermore, it was seen that the platelet to lymphocyte ratio is an independent prognostic factor related to the stage of epithelial ovarian cancer.