نتایج جستجو برای: sodium adsorption ration sar
تعداد نتایج: 261995 فیلتر نتایج به سال:
Sequential observations of the light and scanning electron microscopic appearances and labeling index of rat urinary bladder epithelium following freeze ulcérationwere performed for 8 weeks, and the effect of sodium saccharin on this process when fed as 5% of the diet, beginning either immediately or 2 weeks after ulcération, was investigated. All rats treated with freeze ulcérationof the bl...
Underground reservoir technology can mitigate water shortage and pollution problems in coal mining areas has a good application prospect. While still new technology, the theory method of underground reservoirs need to be improved. This research focused on hydrochemical characteristics mine their significance for site selection reservoirs. With Shendong area as case study, major ions, toxicologi...
Abstract Present research aims to assess the suitability of groundwater Dera Bassi town (Punjab) and its surrounding agricultural area for drinking as well irrigation purpose. Thirty samples were collected (in February 2020) analyzed various physicochemical parameters. Results analysis compared with Indian (IS 10500:2012) WHO (2006) standards ascertain purpose, it has been found that results al...
Abstract Mining activities generate much wastes which degenerate into various geochemical components and affect the natural composition of surface water resources. They cause Acid Mine Drainage (AMDs) influence hydrochemical evolution hydrogeological systems. This study employed parameters to characterize evaluate effects mine discharges on irrigation in mining district Enyigba, SE Nigeria. Twe...
Introduction: Marl is one of the most important sedimentary units are in Iran because of the physicochemical characteristics and high rate of erodibility. These properties caused large civil damages and environmental impacts and so, the study of erosion and erodibility of the marl units is necessary. One of the most important points about marls is elements in them and grain size nature and ...
Erosion is one of the most destructive and continuous phenomena that cannot be prevented and only could be controlled by studying the chemical and physical properties of soil. Marls are one of the most important sedimentary units in Iran which have high rate in sediment production and erodibility because of their Physico-chemical characteristics. These properties caused large environmental and ...
In this paper, the reuse of reclaimed wastewater for irrigation of agricultural land and its effect on soil quality has been investigated in an arid region of Iran. For this purpose, two pilots of 2,000 m2 area with a variety of plants were selected near the effluent discharge of a wastewater treatment plant (WWTP) in Zahedan and Zabol cities in Sistan and Baluchestan Province. The wastewater t...
In this study the effects of land use change from salt affected land to cropland on soil quality indicators were studied in Chahafzal region, Yazd province, central Iran. Composite soil samples from 0-30 and 30-60 cm depths of saline and cultivated land were taken. Soil particle size distribution, calcium carbonate, Available water capacity (AWC), Electrical conductivity (ECe), Soil reaction (p...
The present paper sought to assess some physico-chemical parameters above permissible guidelines of irrigation water standard, the study was carried during establishment Ecotourism Park. field survey design used and it accompanied by laboratory tests analyze levels in both seasons (dry season wet seasons) for bodies as well groundwater. physical chemical analysed were Sodium Adsorption Ratio (S...
The need for freshwater supplies is increasingly rising according to the increase in inhabitants’ expansion and economic growth. Available water resources are reduced by pollution overpumping. This research’s prime objective study changes quality of Pleistocene aquifer Minia Governorate. Historical hydro-chemical data groundwater two years 2009 2019 were used under impact recharge discharge pro...
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