نتایج جستجو برای: somers d and man
تعداد نتایج: 16921716 فیلتر نتایج به سال:
Medical researchers frequently make statements that one model predicts survival better than another, and are frequently challenged to provide rigorous statistical justification for these statements. Stata provides the command estat concordance to calculate the rank parameters Harrell’s c and Somers’ D as a measure of the ordinal predictive power of a model. However, no confidence limits or P–va...
The aim of this study was to determine the relationship between social network addiction and academic procrastination in times coronavirus (COVID-19) regular basic education (RBE) students a public educational institution (IE) Peru. population consisted 1,255 both sexes, 12 17 years age, non-probabilistic, convenience-induced sampling used. SPSS V.25 program used for statistical analysis; also,...
خونریزی غیرطبیعی رحم، یکی از شایعترین مشکلات بالینی در تخصص بیماریهای زنان است و طبق آمار حدود 15 درصد مراجعین را شامل می شود. جهت تشخیص دلیل خونریزی غیرطبیعی رحم، توسل به بیوپسی آندومتر معمولا ضروری است و روش استاندارد در چند سال اخیر و شاید هم اکنون نیز در بعضی مراکز دیلاتاسیون و کورتاژ رحم می باشد. در سالهای اخایر روشهای بیوپسی آندومتر به طریقه سرپائی دراکثر موارد بدون ریسک عوارض بیهوشی و نی...
In 1933 Lohmann (1) demonstrated the existence of phosphohexose isomerase, the enzyme which mediates the reversible conversion of glucose-6-phosphate to fructose-6-phosphate, in dialyzed frog lnuscle extracts and in simple aqueous extracts of yeast, heart, kidney, liver, and brain. Tank6 (2) and, more recently, Somers and Cosby (3) have found this enzyme to be present in pea meal. Slein (4) has...
Los debates en torno a la mejora de calidad educativa tienen un lugar privilegiado las agendas político-educativas nacionales e internacionales. La Unión Europea ha expresado su compromiso con profesión docente, destacando formación inicial como pilar fundamental. El objetivo este estudio es conocer el perfil y percepción del alumnado Master Formación Profesorado España sobre una serie variable...
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...
Hofmann, K. & Tausig, F. (1955). J. biol. Chem. 213, 425. Lapworth, A. & Mottram, E. N. (1925). J. chem. Soc. 127, 1628. Longenecker, H. E. (1939). J. biol. Chem. 128, 645. Moir, R. J., Somers, M., Sharman, G. & Waring, H. (1954). Nature, Lond., 173, 269. Reiser, R. (1951). Fed. Proc. 10, 236. Society of Public Analysts (1933). Analyst, 58, 203. Sperry, W. M. (1928). J. biol. Chem. 78, xliv. Sw...
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