نتایج جستجو برای: nsa method
تعداد نتایج: 1636362 فیلتر نتایج به سال:
Isolation and expansion of the putative neural stem cells (NSCs) from the adult murine brain was first described by Reynolds and Weiss in 1992 employing a chemically defined serum-free culture system known as the neurosphere assay (NSA). In this assay, the majority of differentiated cell types die within a few days of culture but a small population of growth factor responsive precursor cells un...
Our study is focused on the financial impact of NSA-security and privacy breach events announced in the news media between June 2013 and March 2014. While prior research has provided empirical evidence on the stock market reaction of security and privacy breaches such as confidentiality, integrity and availability breaches, there is scarce research on the financial impact of NSA-related securit...
IMPORTANCE Creutzfeldt-Jakob disease (CJD) and autoimmune encephalitis with antibodies against neuronal surface antigens (NSA-abs) may present with similar clinical features. Establishing the correct diagnosis has practical implications in the management of care for these patients. OBJECTIVE To determine the frequency of NSA-abs in the cerebrospinal fluid of patients with suspected CJD and in...
2 Filter: Filters and Ultrafilters 13 2.1 Definitions and basic properties . . . . . . . . . . . . . . . . . 13 2.1.1 Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.1.2 Ultrafilters . . . . . . . . . . . . . . . . . . . . . . . . 13 2.1.3 Free Ultrafilters . . . . . . . . . . . . . . . . . . . . . . 14 2.2 Collect properties . . . . . . . . . . . . . . . . . . . . . . . . . ...
5-aminosalicylic acid (5-asa) is currently prepared by electrochemical reduction of 5-nitrosalicylic acid (5-nsa) in acidic media. in this work, electrolytic reduction of 5-nsa in alkaline media is presented. reactionconditions and parameters such as anode and cathode electrodes, electrolyte type, reaction time, temperature,current, and the ph for isolation of product are investigated. the yiel...
The most commonly used analysis method in performance-based design (PBD) is nonlinear static (NSA). In unsymmetrical 2D frames, unlike for the symmetrical state, NSA should be performed two lateral loading directions. This complicates process of achieving a feasible optimal addition to increasing volume calculations. this study, overcoming issue, two-step approach proposed PBD steel moment-resi...
زمینه: تفاوت مقادیر پارامترهای ژئومتریک سر استخوان ران به تغییر فراوانی شکستگی استخوان هیپ منجر می گردد. هدف از مطالعه حاضر، بررسی ارتباط دانسیته معدنی استخوان (BMD) در ناحیه گردن استخوان ران با زاویه گردن ران (NSA) در دو گروه استئوپروتیک و نرمال از جمعیت زنان یائسه مسن، در ناحیه شرقی استان مازندران ایران به‌عنوان یک شاخص مناسب برای پیش‌بینی وقوع شکستگی‌های لگن می‌باشد. مواد و روش‌ها: از میان ...
Con el objetivo de construir y validar un cuestionario que mide las normas sociales alimentarias (NSA) en escolares, se realizó estudio instrumental transversal. Mediante muestreo aleatorio, seleccionaron 494 niños escuelas primarias. Se les aplicó validado por jueces para medir NSA. En análisis exploratorio encontraron dos factores explican 27.85% del constructo: reproducir (α=.774, r2=.893, p...
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