نتایج جستجو برای: materials testing

تعداد نتایج: 757656  

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان فارس - دانشکده دندانپزشکی 1380

چکیده ندارد.

Journal: : 2023

Production, characterization and certification of reference materials (RMs) are key activities in ensuring the metrological traceability measurement results various industries. One sources RM uncertainty is standard due to heterogeneity. Estimation based on analysis-of-variance method accordance with GOST 8.531-2002, ISO Guide 35:2017. The main difference between developed algorithms 35:2017 el...

پایان نامه :0 1374

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

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