نتایج جستجو برای: previously performance
تعداد نتایج: 1417365 فیلتر نتایج به سال:
background: the outcome of hepatitis b virus (hbv) infection is chronic or resolved hbv infection. over the time, the levels of hbsag or anti-hbs declined and were not detectable in their sera and was named as isolated anti-hbc. the purpose of this study was to assess the prevalence of isolated anti-hbc in previously hbv infected individuals.methods: from april 2000 to september 2008, the resul...
Mujer de 65 años de edad que ingresa por insuficiencia cardiaca de predominio derecho. Previamente diagnosticada de estenosis mitral reumática severa, se había realizado un recambio valvular mitral por prótesis mecánica hacía 20 años. El ecocardiograma transtorácico y transesofágico realizados mostraron una prótesis normofuncionante, así como una hipertensión arterial pulmonar severa (90 mmHg) ...
A resolução cinética da (±)-mandelonitrila foi realizada utilizando a lipase de Candida antarctica sob condição convencional (agitação orbital) e irradiação de micro-ondas em tolueno, produzindo o acetato de (S)-mandelonitrila com elevada seletividade (92-98% ee, excesso enantiomérico). O álcool remanescente da (R)-mandelonitrila sob irradiação de micro-ondas e agitação orbital foi parcialmente...
bserved by many teachers that most of the time, mumbling and searching for their intended words, students complain why they have forgotten the words they have learned in the previous semesters. they ask for some new ways that may help them to recall and apply the learned words more efficiently, since as they declare one of the most important skills in foreign language learning is having a g...
Objectives: This study aims to compare viewpoints of standardized patients (SPs) and consultant psychiatrists about the performance of volunteer residents in the first Objective Structured Clinical Examination (OSCE) in Iran. Method: OSCE was hold with 9 stations and 8 SPs, in one day with attendance of 22 senior psychiatric residents. In each station two raters independently scored the reside...
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