نتایج جستجو برای: total edge and largest patch index influence water quality indexes including ec

تعداد نتایج: 17238218  

Journal: Pollution 2017

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...

2016

Background: Determination of water corrosion indexes is one of the affecting approaches on drinking water management. Corrosion can causes economical problems, reduce the useful life of water facilities, and health damages to consumers. The aim of this study was to survey of chemical quality and determination of the corrosion potential of the water distribution system in Bushehr city. Materials...

2017
Xiang Tan Quanfa Zhang Michele A. Burford Fran Sheldon Stuart E. Bunn

Benthic diatoms have been universally used as indicators to assess water quality in lotic ecosystems. However, most diatom-based indices developed in Europe have not been widely used or tested in other continents such as Asia or Oceania. This study compared the performance of 14 widely-applied diatom indices in assessing ecological conditions in subtropical streams in South East Queensland (SEQ...

ژورنال: سلامت و محیط زیست 2019

Background and Objective: Nowadays linear alkyl benzene sulfanate (LAS) is widely used in the production of various detergents. The purpose of this study was to assess the health and ecological hazards of this pollutant on target organisms such as fish and daphnia in the Doroodzan Dam water. Materials and Methods: According to the research objective and given existing restrictions, 21 water sa...

ژورنال: علوم آب و خاک 2015
آزادنیا, فرزاد, خسروی, حسن, ممبنی, مریم, کرمشاهی, عبدالعلی, گرایی, پرویز,

Desertification is currently a big problem in many countries, especially in developing countries, and includes natural processes and improper human activities. The present study was conducted to evaluate the potential of desertification with an emphasis on water, climate and soil criteria using IMDPA Model in Abbas plain, Ilam province with an area about 18028.8 hectare. Geometric averages for ...

Journal: :Proceedings of Pakistan Academy of Sciences A Physical and Computational Sciences 2022

The present study was mainly proposed to investigate the quality of groundwater for drinking in Kifri District. main aim this identify some pollutants using two types indexes which are: Nemerow’s pollution index (NPI) and Water (WQI). samples were collected from 36 stations (deep wells) analyzed seven physico-chemical parameters including EC, TDS, pH, TH, TA, Ca+2 andSO4-2; as well as, results ...

ژورنال: بوم شناسی آبزیان 2018

The effect of Palangan fish farms on water quality of Sirvan River was investigated using physicochemical and biological indicators from January 2015 to June 2015. Five stations were determined including 1) before the fish farm 2) after the fish farm effluent 3) sub-branch 4) 100 meter after fish farm effluent and 5) 1000 meters after fish farm effluent. EC showed significant differences in dif...

ملکوتیان, محمد , مومنی, جمشید ,

    Background and Objectives: Access to safe and adequate drinking water has been an important national goal in different countries. On the other hand, the possibility of microbial contamination and lack of control water quality chemicals is of concern to health authorities in societies. The purpose of this research was to determine the microbial and chemical quality of drinking water in bards...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم تربیتی و روانشناسی 1393

type text or a website address or translate a document. abstract liquidity is considered the most important aspect of the development of stock markets. the main objective of this study was to evaluate the effect of the quality of financial information provided to replace its financial statements nmvdh and shrkt hayy that the liquidity of the shares on the tehran stock exchange is between the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1389

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

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