نتایج جستجو برای: water quality
تعداد نتایج: 1255085 فیلتر نتایج به سال:
a 4 days study was conducted to determine the effects of different concentration of bioaugmentor bacterial strain bacillus licheniformisi, b. subtilis, b. polymyxa, b. laterosporus and b. circulans (protexin aquatech, uk) on adjustment of parameters of water quality as tan, no2-n, no3-n and turbidity from the effluent of common carp ponds. effects of time and concentration were studied as a com...
the relative impacts of different types of land use on the surface water quality are yet to be ascertained and quantified. in this paper, the influence of different types of land use on surface water quality is investigated. rain events samples from different land use in the central plateau, iran, were analyzed for major ions. statistical analyses were employed to examine the statistical relati...
background: chemical and microbial quality of water used in hemodialysis play key roles in a number of dialysis-related complications. in order to avoid the complications and to guarantee safety and health of patients therefore, vigorous control of water quality is essential. the objective of present study was to investigate the chemical and bacteriological characteristics of water used in dial...
climate change around the world is now a reality that has adverse effects on the environment and human health. there is little information about the effect of climate change on food systems, especially seafood from the farm to the table. the aim of this study was to review the fundamental effects of climate change on seafood safety and human health. climate change is expected to increase chemic...
bamdezh wetland with the geographical coordinates of north longitude, east latitude and an area of 44 square kilometers, is located in about 40 km northwest of ahvaz and shavur river is the main source of its supply. this wetland is not only a habitat and suitable food source for aquatic and migratory birds, but as well a significant resource of income for the locals. today, with the arrival ...
the aim of this study was to assess the potential impact of trout farm effluents on water quality of zaringol stream based on nsfwqi and wqi indexes. some physicochemical water quality parameters were measured from 14 point during december 2009 to september 2010 seasonality. the average value of nsfwqi is 53.21 and it shows spatial and temporal variation. the maximum value or best water quality...
The study aimed to assess the relationship between surface water quality and diversity of planktonic communities in An Giang province, Vietnam. national technical regulations on quality, index (WQI), Shannon-Wiener (H') were applied evaluate quality. considerable influence parameters dominant plankton was determined by canonical correspondence analysis (CCA) similarity percentage (SIMPER). resu...
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