نتایج جستجو برای: 21 and 30 percent
تعداد نتایج: 16931693 فیلتر نتایج به سال:
this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...
The incidence, indications, and outcomes of coronary angiography performed within 30 days following artery bypass graft surgery (CABG) have received limited study. We reviewed patients who underwent CABG between April 2018 September 2021 at a large quaternary healthcare system. Of 2,209 during the study, 111 (5%) CABG: mean age was 65 ± 10 years they had high prevalence comorbidities. Graft uti...
Bronchoalveolar lavage (BAL) was performed in 51 adult immunocompromised patients (30 acquired immunodeficiency syndrome [AIDS] and 21 non-AIDS) as part of an extensive diagnostic evaluation for diffuse pulmonary infiltrates. Because multiple episodes occurred in several patients, a total of 60 BALs were performed. A diagnosis of fungal pneumonia was eventually made in 12 patients (24 percent)....
this article presents a comparative study of marginalization in the cities of sabzevar, neishabour, torbat heidariye and gonaabaad. it also presents the history of marginalization and marginal settlement in the world, related theories and models. the article also talks about the international experiences about marginalization and marginal settlement. the writers of the article have first identi...
introduction: citrus are one of the important orchard fruit production that after banana is second in production at the world level and every year, chemical fertilizers having most important role in increasing crops productions, but in long application of fertilizers cause soil destructions and polluting underground water. also soils of dry regions are very poor in organic matter level. nowaday...
In 2002, the National Institute on Alcohol Abuse and Alcoholism (NIAAA) issued a report entitled A Call to Action: Changing the Culture of Drinking at U.S. Colleges. Data on the magnitude of college drinking problems in 1998 to 1999 were reported. From 1999 to 2005, the proportion of college students aged 18-24 who drank five or more drinks on a single occasion in the past month increased from ...
in order to determine the hygiene indices of bathing water, and it's water quality, a survey and laboratory analysis was recently undertaken on 34 outdoor public swimming pools out of a total 126 in tehran metropolitan area according to simple random sampling without replacement. this survey revealed remarkable evidence of waver bacterial contamination at heavy bather load time. examined water ...
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