نتایج جستجو برای: water level
تعداد نتایج: 1582970 فیلتر نتایج به سال:
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
the structural and energetic characteristics of o3–h2o complexes have been investigated by means of b3lyp, mp2, mp4(sdtq), ccsd(t) and qcisd(t) methods in conjunction with the aug-cc-pvdz and aug-cc-pvtz basis sets. six conformers were found for the o3–h2o complex. two different intermolecular interactions were expected to participate in the formation of complexes, namely conventional o∙∙∙h hyd...
fuzzy water quality index (fwqi) was applied in order to assess the degree of drinking water resources in yazd province, iran. thisstudy has also offered the creation of a new fuzzy water quality index (fwqi) to evaluate this tool’s applicability. 12 chemicalparameters including toxic and non-toxic heavy metals measured in 71 groundwater samples collected from drinking water resourcesin rural a...
Background and purpose: Using water quality indices is one of the methods for checking river’s water quality. NSFWQI, is the most widely used among water quality indices. This study aimed to evaluate the water quality in Dohezar river, Tonekabon, using NSFWQI. Materials and methods: In this study, sampling was performed during 6 months (3 month with low level of water and 3 months with high le...
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