نتایج جستجو برای: pollution sources

تعداد نتایج: 351626  

2010
HUANG Ren ZHANG Xiaolan ZHU Mei

the agricultural non-point source pollution shows some special features such as dispersion, randomness, fuzziness and cumulative compared with industry and other point source pollution. Owing to lacking complete and systematic data on agricultural sources of pollution in the long-term, Agricultural non-point source pollution load of the new method "IS (Investigation-Statistics) estimation metho...

Journal: :IOSR Journal of Mechanical and Civil Engineering 2017

Journal: :International Letters of Natural Sciences 2014

2009
Zhiyong Wang Tianding Chen Changhong Yu

Environmental monitoring of environmental pollution prevention and control in humans to resolve existing or potential environmental problems and improve the living environment and the ecological environment, coordinating the relationship between human beings and the environment, and ultimately to sustainable human development plays an important role. In order to accurately and fully grasp the p...

Journal: :Environmental Modelling and Software 2000
Alison S. Tomlin S. Ghorai G. Hart Martin Berzins

High resolution models of air pollution transport and transformation are necessary in order to test possible abatement strategies based on pollution control and to forecast high pollution episodes. Models are especially relevant for secondary pollutants like ozone and nitrogen dioxide which are formed in the atmosphere through nonlinear chemical reactions involving primary pollutant species far...

Journal: :Indoor air 2010
B Pekey Z B Bozkurt H Pekey G Doğan A Zararsiz N Efe G Tuncel

This study presents indoor/outdoor PM2.5 and PM10 concentrations measured during winter and summer in 15 homes in Kocaeli, which is one of the most industrialized areas in Turkey. Indoor and outdoor PM2.5 and PM10 mass concentrations and elemental composition were determined using an X-ray fluorescence spectrometer. Quantitative information was obtained on mass concentrations and other characte...

Journal: :Marine pollution bulletin 2013
Ley Juen Looi Ahmad Zaharin Aris Wan Lutfi Wan Johari Fatimah Md Yusoff Zailina Hashim

The status report on metal pollution in tropical estuaries and coastal waters is important to understand potential environmental health hazards. Detailed baseline measurements were made on physicochemical parameters (pH, temperature, redox potential, electrical conductivity, salinity, dissolved oxygen, total dissolved solid), major ions (Na, Ca, Mg, K, HCO3, Cl, SO4 and NO3) and metals concentr...

ژورنال: سلامت و محیط زیست 2017

Background and Objective: Street dust is considered as one of the important sources of particulate matters and heavy metals in the atmosphere. The goal of this study was to assess the heavy metals pollution in street dust of Tehran and evaluate their ecological risk. Materials and Methods: The sampling of street dust was carried out in two areas at the east and west of Tehran. After preparatio...

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