نتایج جستجو برای: accumulation index
تعداد نتایج: 541225 فیلتر نتایج به سال:
This study was undertaken to find out the interpretation learning strategies employed by successful interpretation learners to achieve the completeness of interpretation. The results showed that, to achieve the completeness of interpretation, they employed knowledge-accumulation, summarization, note-taking and logical-analysis learning strategies, among which the first three learning strategies...
Since supplemental UV-B radiation can provide a simple and economical alternative to increase phenolic compounds in plants, we evaluated the dynamic biological responses of Alo vera L. plants to different UV-B doses (10 and 30 kJ m−2 day−1). The experiment was performed on the basis of Completely Randomize Design with 4 independent replications. Under high light conditions (600 µmol m−2 s−1), U...
Background and Objective: Heavy metal contamination of surface soils has become a serious concern. The aim of this study was to evaluate the potential risk of heavy metal (loid) pollution on human health in the surface soils of Arak industrial areas, the capital of Markazi province in western Iran. Materials and Methods: 235 surface soil samples were collected from a depth of 0-5 cm. Concentra...
Four heavy metals were measured in forty-nine topsoil samples collected fromagricultural areas in Siakh-Darengoun, Iran. The goals were to investigate soil spatialdistribution patterns of metals; their potential ecological risk; and sources. The Hakansonpotential ecological risk index and index of geo-accumulation (Igeo) were used forevaluating t...
هدف از این تحقیق ، توصیف وضعیت برخی از عوامل آمادگی جسمانی و ترکیب بدنی دانشجویان دختر دانشگاه علوم پزشکی تهران است . لذا متغیرهای تحقیق عبارتند از : آمادگی جسمانی ، شامل : استقامت عضلات خم کننده بالاتنه ، استقامت عضلات کمربند شانه، چابکی، استقامت قلبی-تنفسی و در بخش ترکیب بدنی شامل وزن -قد، درصد چربی ، شاخص توده بدن، شاخص نسبت قد به ریشه سوم وزن ponderal index)hwr) ، شاخص نسبت محیط کمر ب...
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