نتایج جستجو برای: samples t test
تعداد نتایج: 1758428 فیلتر نتایج به سال:
normal healthy pulpal tissues were obtained from 19 impacted molars and symptomatic samples were obtained from 18 carious molars and premolars clinically diagnosed in all vital pulpal tissues. student's t-test revealed significant differences in il-2 concentrations, comparing symptomatic pulpal tissues with normal healthy samples (657, p
تحقیق حاضر در پاییز سال 1389 به منظور تعیین غلظت فلزات سنگین (مس، سرب، روی) در بافت عضلانی ماهی پوزانک (alosa caspia ) در ساحل بابلسر انجام گرفت. اهداف مورد نظر، مقایسه نتایج غلظت با گونه های دیگرماهیان دریای خزر و سایر مناطق و همچنین مقایسه با استانداردهای جهانی who)و nhmrcوuk و... (جهت حصول اطمینان از بلامانع بودن مصرف انسانی بود. در این راستا نیز، برآورد ریسک خطر مصرف این گونه از ماهیان برای...
The Treponema pallidum specific IgM haemagglutination (TP-IgM-HA) test uses erythrocytes sensitised with antiserum to human IgM to separate IgM from IgG in serum. Specific antitreponemal IgM captured in this way is detected by adding a second reagent comprising erythrocytes sensitised with T pallidum antigen. Eighty two serum samples from 82 patients with untreated syphilis, 521 samples from 73...
tuberculosis is an important opportunistic disease among hiv- infected persons worldwide; from march 1999 to feburery 2001 we had seventeen patients with hiv-infection and tuberculosis. here we are presenting the clinical manifestations, diagnosis, treatment and outcome of them. all of them were male, 11 patients had pulmonary and 5 patients had extrapulmonary (pleural effusion 1, hepatic granu...
Photoplethysmography (PPG) devices are widely used for monitoring cardiovascular function. However, these devices require skin contact, which restricts their use to at-rest short-term monitoring. Photoplethysmographic imaging (PPGI) has been recently proposed as a non-contact monitoring alternative by measuring blood pulse signals across a spatial region of interest. Existing systems operate in...
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