نتایج جستجو برای: water quality index
تعداد نتایج: 1596013 فیلتر نتایج به سال:
Background and Objective: The aim of this study was to evaluate the chemical and microbial quality of bottled water in Iran and to calculate the water quality index (WQI). Materials and Methods: Different brands of bottled water (4 samples from 71 brands) were randomly collected from the market. Chemical and microbial characteristics of the samples were examined and determined. Finally, the ca...
Sông Ray là một trong những hệ thống sông chảy qua tỉnh Đồng Nai và Bà Rịa - Vũng Tàu. Nước có tầm quan trọng việc phục vụ sinh hoạt, công nghiệp nông nghiệp. Tuy nhiên, hiện nay chất lượng nước ngày càng ảnh hưởng nghiêm bởi các hoạt động vui chơi giải trí, du lịch, chăn nuôi, phân bón thuốc trừ sâu. Do đó, nghiên cứu nàyđược thực với mục đích xác định đánh giá thông số hóa lý trọng. Mẫu được ...
Introduction: The ecological, economic, and social potential of an area for large and large uses is influenced by the quantity and quality of the waters. Therefore, appropriate methods of surface water and groundwater have been investigated qualitatively and quantitatively in order to use its results in assessing the power of the land. One of the important factors for sustainable development is...
In the current study, the qualitative status of potable well water was assessed using the groundwater quality index during a course of 4 years (2014-2017). This study was carried out with an aim to monitor the drinking water resources from 12 potable wells on the multivariate analysis basis and for determination of groundwater quality index, the following 13 physicochemical parameters including...
the present study has been conducted to determine the surface water quality of urban area in savar, dhaka, bangladesh by determining some water quality parameters (transparency, temperature, ph, ec, eh, do, tss, tds, ts, bod5, cod, toc, cl-, br-, so4-2, no3-, no2-, po4-3, tp, hco3- and total alkalinity) as well as the status of phytoplankton’s community in the water from two lakes (tiger lake a...
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