نتایج جستجو برای: industrial pollutions
تعداد نتایج: 147523 فیلتر نتایج به سال:
background: noise pollution is considered as a stressful factor in every day’s life of the industrial world. the present study was designed to investigate the probable effects of different time exposure of noise stress on histomorphometric changes of adrenal gland, plasma cortisol and body weight of the rat. methods: sixty adult male wistar rats were divided into two series of short time nois...
the water and wastewater considered as one of capital intensive industrials in iran because it has 436 thousand milliard rial in fixed asset, 32.8 million rial in monopolistic market and the share of 0.05 % in gdp. the statistics showed that there is approximately 22 % of facilities and equipment in industrial production process as uncompleted projects. the need for macro investment, the limite...
surface waters, especially natural rivers always act as receiving waters for various kinds oforganic contaminants from municipal and industrial wastewaters, agricultural activities, organic chemicals inuse, non-point source pollutions. due to their toxicity, persistency and wide diffusion, polychlorinatedbiphenyls (pcbs), pesticides, phthalates, polycyclic aromatic hydrocarbons (pah) and their ...
swelling urban populations and increasing number of industry and especially automobiles in and around cities have resulted in adverse effect on human health. one of the most important things regarding air pollution in these days is that the number of motor vehicles has increased, and the resulting problems of new types of air pollution on large scale need to be emphasized in large cities.the gr...
Copper smelting and refinery factories are the final stages of a pyrometallurgical processing chain, and they cause many environmental challenges around the world. One of the most common environmental problems of these factories is toxic emissions. These toxic gases have harmful effects on the vegetation, animal species, soils, and water resources around the factories. Phytoremediation can play...
Actualization of methodological problems of reglamentation of chemical pollutions on the environment
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