نتایج جستجو برای: ضریب c2
تعداد نتایج: 82106 فیلتر نتایج به سال:
The aim of this study was to explore the cytochrome P450 2E1 (CYP2E1) RsaI/PstI polymorphism and risk of esophageal cancer (EC) in mainland Chinese populations. A systematic search of PubMed, EMBASE, Web of Science, CBM, CNKI and VIP databases for publications on the CYP2E1 RsaI/PstI polymorphism and risk of EC was performed. and the genotype data were analyzed in a meta-analysis. Odds ratios (...
STUDY DESIGN Retrospective study. OBJECTIVE To assess the relationship between sagittal alignment of the cervical spine and patient-reported health-related quality-of-life scores following multilevel posterior cervical fusion, and to explore whether an analogous relationship exists in the cervical spine using T1 slope minus C2-C7 lordosis (T1S-CL). SUMMARY OF BACKGROUND DATA A recent study ...
Complement C2 receptor inhibitor trispanning (CRIT) of the Schistosoma parasite binds human C2 via the C2a segment. The receptor in vivo functions as C2 decoy receptor by directly competing with C4b for binding to C2. As a result, CRIT is able to limit the extent of classical pathway (CP) C3 convertase formation. We report that the CRIT-extracellular domain 1 (ed1) peptide inhibits CP-mediated ...
OBJECTIVES There is no consensus standard regarding the placement of the inferior field border in whole brain radiation therapy (WBRT) plans, with most providers choosing to cover the first versus (vs.) second cervical vertebrae (C1 vs. C2). We hypothesize that extending coverage to C2 may increase predicted rates of xerostomia. METHODS Fifteen patients underwent computed tomography (CT) simu...
The voltage-sensing phosphatase (VSP) is the first example of an enzyme controlled by changes in membrane potential. VSP has four distinct regions: the transmembrane voltage-sensing domain (VSD), the inter-domain linker, the cytosolic catalytic domain, and the C2 domain. The VSD transmits the changes in membrane potential through the inter-domain linker activating the catalytic domain which the...
Several methodologically independent measures of arterial stiffness derived from either the systolic or diastolic segments of the arterial pulse have been proposed. The exact nature of the large and small artery elasticity indices (C1 and C2, respectively) derived from diastolic pulse contour analysis remains largely unexplored, although C2 has controversially been termed to be "oscillatory" an...
با توجه به حرکت سریع آب و آلاینده از مسیرهای ترجیحی جریان، در این پژوهش از مدل موج کینماتیک- انتشار بهعنوان یکی از راهکارهای مناسب برای شبیهسازی این حرکت، استفاده شد. این مدل سه ضریب مجهول دارد که با استفاده از روش بهینهسازی تراکم ذرات تعیین شدند. آزمایشها در قالب چهار بارندگی با شدتهای 97/56، 64/107، 01/133 و 71/161 میلیمتر بر ساعت که بر یک ستون خاک میبارید انجام گرفت و شدت آب خروجی از ...
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