نتایج جستجو برای: respectively key words water quality
تعداد نتایج: 2405059 فیلتر نتایج به سال:
the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...
â â â poetic stories in ilia abu maziâs poetic works â â â sadeq fathi dehkordi * â shlyr fathi ** â abstract â â poetic story is a kind of art firmly connected to poetry and story and is a sign of restoration in arabic poetry furthermore, it is an artistic field for presenting poets' ability in putting poetry and tale together. this genre has included many current poetic works. ab...
Background and Objective: Physical and chemical quality of water is necessary for consumer’s acceptance, health promotion, and guarding of water distribution systems. The aim of this study was to determine the physical and chemical quality of drinking water in Qazvin. Material and Methods: This cross-sectional study was conducted in 2014-2015. During three seasons a total of 150 sample...
Background and Objective: Due to the vulnerability of water resources, quality control of surface water is one of the key issues in environmental conservation programs. In recent years, Anzali wetland has been exposed to numerous threats, including environmental pollutants. TOPSIS is an efficient and reliable way to assess the quality of water resources. Materials and Methods: In order to eval...
abstract: the present thesis includes ; one preface and 11speeches , that each speech considered in different researches . the prefact part , studied grammer back ground , the first speech considered a brief description about grammatical credits . the second speech considered the different typs of sentences , from structure and meaning points of view . the third speech considered the verb es...
Background and Objectives In recent years, excessive use of groundwater resources and the discharge of urban and industrial wastewater in the environment has contaminated and reduced the quality of groundwater resources. The aim of this study was to determine the quality of drinking water resources in Rafsanjan city using water quality index (WQI) in 2018. Materials and Methods: This descri...
خصوصیات کاریوتیپی چهار گونه گون (astragalus) با نامهای a. cornu-carpae ، a. mucronifoliusو a. talimansurensis از بخشه leucocersis و گونه a. crysostachysاز بخشه hymenostegis. مطالعه شدند. گونه ها وجود 2n = 2x = 16 را نشان دادند که تمامی گزارش جدید می باشند. کروموزومها از نوع متا و ساب متا بودند و اندازه آنها ازmm 75/. در a. talimansurensis تا 4 mm در a. cornu-carpaeمتغیر بود. گونه های ...
background and purpose: occular toxicity is one of the most important complications of hydroxychloroquine. not any type of treatment has so far been found and recommended for this disorder. the purpose of this study was to report some characteristics of patients with hydroxychloroquine induced retinopathy. materials and methods: from 107 patients with rheumatoid arthritis (ra) and/or systemi...
background: the advancement of technology in recent decades has been lead to use the electrophysiology cardiac devices. although these devices are used increasingly, but the frequency of subclinical infection is unknown. we investigate bacterial infections due to implantable cardioverter defibrillator (icds) in patients with endocarditis. m aterials and methods: population of the study was cons...
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