نتایج جستجو برای: apparent diffusion coeffi cient
تعداد نتایج: 279086 فیلتر نتایج به سال:
The Biggs’ Study Process Questionnaire (SPQ) was used to test competing models of students’ approaches to learning in a sample of undergraduate students (n = 125) from an inquiry based Bachelor of Health Sciences program. In addition to an internal consistency and test-retest reliability analysis of the SPQ, confi rmatory factor analysis was used to evaluate the goodness-of-fi t of two competin...
The paper deals with t he relative convergence of a d oubly-infini te set of equations pertaining to a boundary value problem in a waveguide. It is shown that the solution for t he equations converges differently for different choices of the co mbination of t he number of equations from the two sets. This is demonstrated by st udying t he co nvergence proper ties of t he truncated set of equati...
P. Vaňová, J. Sojka. VŠB Technical u niversity of O strava, FMME, Ostrava, Czech Republic This paper is dealing with hydrogen embrittlement of austenitic-ferritic 2205 duplex steel using the slow strain rate test (SSRT). The original material was subjec ted to heat treatment under 700 °C during 5 hours and f ollowing aircooling with the aim of pr ovoking sigma phase pr ecipitation and embrittle...
81 National Tax Journal Vol. LXI, No. 1 March 2008 Abstract Do income taxes levied at a state or regional level affect the after–tax distribution of income? Or do workers merely move between regions, causing pre–tax wages to adjust? Using the full income tax parameters for all U.S. states from 1977–2002, I create a “simulated tax redistribution index” that captures the mechanical impact of chan...
The mechanical durability of conductive materials affects the performance and lifetimes of devices ranging from electrical circuits to battery electrode materials. Mismatches in thermal expansion coeffi cient, Young’s modulus, and Poisson’s ratio between the conductive materials and packaging materials in integrated circuits lead to delaminations and fractures both within conductive pathways an...
Objectives: The purpose the study was to evaluate role of diffusion weighted magnetic resonance imaging (DW-MRI) in diagnosis benign and malignant breast lesions, calculate a cut-off apparent coefficient (ADC) value explore use relative ADC (r ADC) for improving sensitivity specificity MRI cancer. Methods: This retrospective based on cohort patients who underwent dynamic contrast enhanced (DCE)...
background hepatic fibrosis is a typical complication of chronic liver diseases resulting in cirrhosis that remains a major public health problem worldwide. liver biopsy is currently the gold standard for diagnosing and staging hepatic fibrosis. percutaneous liver biopsy; however, is an invasive procedure with risks of complications. therefore, there is need for alternative non-invasive techniq...
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