نتایج جستجو برای: sig
تعداد نتایج: 6049 فیلتر نتایج به سال:
پژوهش به صورت توصیفی از نوع همبستگی انجام شد. جامعه آماری شامل تمام دانشجویان دو مرکز دانشگاهی شهید صدوقی و شهید رجایی به تعداد 1700 نفر بودند. به روش نمونه گیری تصادفی طبقه ای، تعداد276 نفر با استفاده از جدول مورگان به عنوان نمونه آماری انتخاب شدند. ابزار پژوهش، پرسشنامه دانش فناورانه و پرسشنامه سواد سلامت دیجیتال اروپا بود. تجزیه و تحلیل داده ها نیز بر اساس آزمون تی تک نمونه ای، ضریب همبستگی ...
1 Department of Telematics, Faculty of Information Technology, Mathematics and Electrical Engineering, The Norwegian University of Science and Technology (NTNU), O.S.Bragstads plass 2E, N-7491 Trondheim, NORWAY, [email protected] 2 Norwegian University of Science and Technology Centre for Quantifiable Quality of Service in Communication Systems. O.S. Bragstads plass 2E, N-7491 Trondheim, NOR...
Resumo. Este artigo propõe um modelo de processo de teste de desempenho para aplicações SIG Web. O modelo considera os casos de uso mais críticos ou de maior risco quanto ao desempenho de um sistema para a criação de cenários de testes. Além disso, prevê a utilização de ferramentas livres para automatização de etapas do processo de avaliação. O modelo foi aplicado ao projeto WebMaps, que é uma ...
Valid and reliable self-report measures of cancer screening behaviors are important for evaluating efforts to improve adherence to guidelines. We evaluated test-retest reliability and validity of self-report of the fecal occult blood test (FOBT), sigmoidoscopy (SIG), colonoscopy (COL), and barium enema (BE) using the National Cancer Institute colorectal cancer screening (CRCS) questionnaire. A ...
The specificity of antibody (Ab) responses depends on focusing helper T (Th) lymphocyte signals to suitable B lymphocytes capable of binding foreign antigens (Ags), and away from nonspecific or self-reactive B cells. To investigate the molecular mechanisms that prevent the activation of self-reactive B lymphocytes, the activation requirements of B cells specific for the Ag hen egg lysozyme (HEL...
OBJECTIVE The primary goals of the present study were to assess intellectual function in participants with schizophrenia or bipolar disorder (BD) and to investigate the relationships between cognitive decline and the severity of each type of psychopathology. METHODS The present study included 51 patients with schizophrenia and 42 with BD who were recruited from the psychiatry outpatient clini...
BACKGROUND Flow cytometric immunophenotyping (FCI), is widely used in cytology for distinguishing between B-cell lymphoma (BCL) and reactive lymphocytic proliferations (RLP), mainly by identifying monotypic B-cell populations. Since this cannot always be determined by ratios of surface immunoglobulin light chains (sIg LCs) we wanted to assess if cytoplasmic immunoglobulin (cIg) LCs, Bcl-2 and p...
OBJECTIVE To investigate the effect of the rate of metoclopramide infusion on akathisia incidence, severity, onset of symptoms, and duration in patients with headache, and/or nausea/vomiting in the emergency department (ED) setting. METHODS Prospective, double blind, randomised clinical study comparing two rates of intravenous infusion of metoclopramide over a period of six months at a tertia...
Undifferentiated lymphoma from a 39-year-old female became serially xenotransplantable to preirradiated nude mice. The tumor cells (KT) possessed a monoclonal surface immunoglobulin (SIg mu, kappa) and formed rosettes with neuraminidase-treated sheep erythrocytes (SEn). Precise characterizations of the SEn rosette, however, revealed the following facts: (1) Neuraminidase-untreated or 2-aminoeth...
This work presents GISCASE, an UML CASE tool based on the conceptual framework GeoFrame-A to aid GIS users to model their geographical analysis processes. Starting from a graphical specification of the geographic process, the tool generates an XML intermediate code free of platform and then creates the specific programs for a GIS system. In addition, GISCASE is entirely developed using free sof...
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