نتایج جستجو برای: respectively concentrations of 75
تعداد نتایج: 21198289 فیلتر نتایج به سال:
this study was conducted in halgheh darreh waste disposal site in karaj in order to determine the concentration of ni and pb in halimocnemis pilifera and in region’s soil. three 50*50 m plots in the direction of the prevailing wind were selected. the first plot was close to the leachate ponds and the next two plots were located at 500 and 1000 m from the first plot, respectively. ten random sam...
OBJECTIVE To investigate the relationship between serum concentrations of inhibin A, inhibin B and estradiol (E(2)) and the number of developing follicles during the administration of exogenous follicle-stimulating hormone (FSH) in various regimens in normo-ovulatory volunteers and to evaluate if inhibins act as suitable markers for the number of developing follicles during ovarian stimulation....
background: this study aimed to evaluated trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks in qom city during the summer of 2012. methods: this was a cross-sectional study. the studied scopes consisted of groundwater (60 wells), reservoirs (10 tanks), and water distribution network (33 points). one sample was taken from each source monthly. stat...
BACKGROUND Little is known about immunovirological treatment outcomes and adherence in HIV/AIDS patients on antiretroviral therapy (ART) treated using a simplified management approach in rural areas of developing countries, or about the main factors influencing those outcomes in clinical practice. METHODS Cross-sectional immunovirological, pharmacological, and adherence outcomes were evaluate...
this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...
OBJECTIVE To assess whether there was an independent association between maternal 25-hydroxyvitamin D concentrations at 24-28 weeks of gestation and preterm birth in a multicenter U.S. cohort of twin pregnancies. METHODS Serum samples from women who participated in a clinical trial of 17 α-hydroxyprogesterone caproate for the prevention of preterm birth in twin gestations (2004-2006) were ass...
Freshwater deficiency and growing requests for renewable energy have led to increased concern about water security. Therefore, the present study attempted evaluate feasibility of using wastewater (WW) as a culture medium microalgal cultivation with aim nutrient removal biodiesel production. The green microalga Asterarcys quadricellulare (Chlorophyta) was isolated from treatment plant in Menoufi...
In this study the effect of responses of Catharanthus roseus to NaCl stress has been explored. Periwinkle plants were exposed to different concentrations of salt and the effect of treatment on germination, growth parameter and antioxidative defense system investigated. Seeds were presoaked in solutions with different salinity after sterilization. Experimental samples irrigated once every two da...
بررسی تنوع ژنتیکی ژنوتیپهای بومی پیاز ایرانی در مقایسه با انواع خارجی چکیده: برنامه های اصلاحی گیاهان بر اساس تنوع و انتخاب صفات برتر کمی و کیفی صورت می گیرد. لذا، ارزیابی تنوع ژنتیکی، اولین مرحله در برنامه های اصلاحی است. در این راستا، استفاده از روش های جدید مطالعهی تنوع ژنتیکی ضروری به نظر می رسد. در این بررسی تعیین تنوع ژنتیکی سیزده ژنوتیپ پیاز ایرانی در مقایسه با دو ژنوتیپ خارجی با است...
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