http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Santosh Sanagapalli,Yanna Ko,Viraj Kariyawasam,Siew C Ng,Whitney Tang,Hithanadura Janaka de Silva,Minhu Chen,Kaichun Wu,Satimai Aniwan,Ka Kei Ng,David Ong,Qin Ouyang,Ida Hilmi,Marcellus Simadibrata,Pi 대한장연구학회 2018 Intestinal Research Vol.16 No.3
Background/Aims: To examine the association between use of oral contraceptive pills (OCPs) and the risk of developing inflammatory bowel diseases (IBD), in a modern cohort. Methods: A prospective nested case-control study across sites in the Asia-Pacific region was conducted; involving female IBD cases and asymptomatic controls. Subjects completed a questionnaire addressing questions related to OCP use. Primary outcome was the risk of development of IBD of those exposed to OCP versus non-exposure. Secondary outcomes were development of Crohn’s disease (CD) versus ulcerative colitis (UC), and whether age of first use of OCP use may be associated with risk of IBD. Results: Three hundred and forty-eight female IBD cases (41% CD, median age: 43 years) and 590 female age-matched controls were recruited. No significant association was found between OCP use and the risk of IBD (odds ratio [OR], 1.65; 95% confidence interval, 0.77–3.13; P=0.22), CD (OR, 1.55) or UC (OR, 1.01). The lack of association persisted when results were adjusted for age and smoking. IBD cases commenced OCP use at a younger age than controls (18 years vs. 20 years, P=0.049). Conclusions: In this large cohort of subjects from the Asia-Pacific region, we found a modest but not significantly increased risk of developing IBD amongst OCP users.
Temperature Dependent Octahedral Tilting Behaviors of Monoclinic and Tetragonal SrRuO3 Thin Films
이성수,서옥균,Jaemyung Kim,Chulho Song,Satoshi Hiroi,Yanna Chen,Yoshio Katsuya,Osami Sakata 한국물리학회 2018 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.73 No.10
We used in-situ synchrotron X-ray scattering to investigate phase transformations of octahedral tilted monoclinic SrRuO3 (MSRO) and tetragonal SRO (TSRO) thin films on SrTiO3 (STO) substrates. The octahedral tilted MSRO thin films were highly crystalline and the monoclinic distortion angle was 0.45. The phase transition temperature from the MSRO to TSRO phase occurred at approximately 200 C as a second order transition. Conversely, no phase transformations of the TSRO thin film occurred within the range from RT to 250 C. The octahedral RuO6 rotation was strongly affected by the phase transformation in the SRO thin films.