Unit12WaterPollutionandPollutants 1Introduction2Microorganisms3Solids4Inorganicconstituents5Organicmatter 1Introduction Waterpollutionisanimprecisetermthatrevealsnothingabouteitherthetypeofpollutingmaterialoritssource.Thewaywedealwiththewasteproblemdependsuponwhetherthecontaminantsareoxygendemanding,algaepromoting,infectious,...
1WaterPollutionandPollutants (1)专业知识限制Therelationshipbetweenpollutedwateranddiseasewasfirmlyestablishedwiththecholeraepidemicof1854inLondon,England.Protectionofpublichealth,theoriginalpurposeofpollutioncontrol,continuestobetheprimaryobjectiveinmanyareas.However,preservationofwaterresources,protectionoffishingareas,andmai...
1WaterPollutionandPollutantsTherelationshipbetweenpollutedwateranddiseasewasfirmlyestablishedwiththecholeraepidemicof185
and Bansal, V. 2012. Water pollution: impact of pollutants and new promising techniques in purification process. J Hum Ecol, 37(2): 103-109.Gambhir, R.S., V. Kapoor, A. Nirola, R. Sohi and V. Bansal, 2012. Water pollution: Impact of ...
水污染的英语作文Water Pollution 1 Generally, the water pollution is a serious public hazard today. The worlds rivers are polluted with garbage and dangerous chemicals. Ships contribute to the problem, because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and...
水污染的英语作文Water Pollution 1 Generally, the water pollution is a serious public hazard today. The worlds rivers are polluted with garbage and dangerous chemicals. Ships contribute to the problem, because they rely on rivers for disposing of wastes. Oil and other chemicals can kill fish and...
waterpollution(水污染、环境保护)有相应PPT Good afternoon, ladies and gentleman! I am glad to stand here to take my presentation. Today I would like to talk about one important thing in our life—water! As the content shown, my presentation is divided into five sections. First, let’s dis...
6、water pollutionis wide spread 水污染蔓延很广 7、water pollutionsolution 水污染解决方案 8、water pollutionand pollutants 水污染和污染物 重点词汇 watern. 水;雨水;海水;海域 v. 给…浇水;供以水;加水稀释;流泪 pollutionn. 污染(作用);腐败;堕落;沾污...
Water pollution is when waste, chemicals,or other things cause water to become harmful to the fish and animals. Water pollution can affect greatly nature's water cycle as well.Types of Water Pollutants. People pour the sewage directly into rivers in many areas around the world. Sewage can int...
WaterPollutionMadeby:TheSunWater_Pollution水污染英文WaterPollution introductionWaterpollutionisthecontaminationofwaterbodies(e.g.lakes,rivers,oceans,aquifersandgroundwater).Waterpollutionoccurswhenpollutantsaredischargeddirectlyorindirectlyintowaterbodieswithoutadequatetreatmenttoremoveharmfulcompounds.Waterpollutionisamajor...