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- Preventing pollution by automobile emission ? 防治机动车排气污染物污染。
- Preventing pollution by automobile emission? 防治机动车排气污染物污染。
- pollution by chlorine 氯污染
- The river has been polluted by waste products from the factory. 这条河已经受到工厂排放的废料的污染。
- Less pollution by decease of film and water waste. 5. 4.;降低废片及废水造成的环境污染。
- The area will be free of pollution by the year 2006. 到2006年，这个地区将没有污染。
- Immediate steps should be taken to prevent pollution by excreta. 要立即采取措施防止排泄物污染。
- Based on experimental studies,treatment of hospital filthywater by chlorine dioxide compound sterilant successfully. 在实验研究基础上，成功利用二氧化氯复合消毒剂处理医院污水。
- A new technique to deal with methyl mercaptan by chlorine oxidation was introduced. 介绍了用氯氧化法处理化工生产单元中排放出的甲硫醇尾气新技术。
- Works to protect from damage caused by chlorine, salt water, and the sun's harmful rays. 能有效阻止化学物质氯、含盐水份与及阳光对皮肤的伤害。
- Reduces air pollution by minimizing the discharge of unburned hydrocarbon . 将未燃烧的碳氢化合物含量降至最低，减少了空气污染。
- Rice straw is recycled for reuse to avoid creating pollution by burning it. 避免燃烧稻草造成污染，稻草也要回收再利用。
- The fiver has been polluted by factory waste. 这条河流被工厂废物所污染。
- The water was polluted by refuse from the factory. 工厂所排放的废物弄脏了水。
- The air was polluted by factory smoke. 空气被工厂冒的烟污染了。
- The river has been polluted by factory waste. 这条河流被工厂废物所污染。
- Li,JW,Xin ZT,and Wang XW,et al.Mechanisms of inactivation of Hepatitis A virus by chlorine[J].Appl.Environ.Microbiol,2002 ;68:4951. 辛忠涛;李君文;王新为;等.;氯灭活甲型肝炎病毒与其核酸变化关系的研究[J]
- The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime. 将乙二肟溶于乙二醇,通入氯气,生成稳定的二氯乙二肟溶液,这种方法制备的二氯乙二肟贮存稳定,产率高。
- Ozawa T, Niura Y, Veda J. Oxidation of Spintraps by Chlorine Dioxide Radical in Aqueous Solutions [J]. Free Radic. Biol. 张文清;蒋励;何友兰.;二氧化氯的性质及用于水消毒的优点[J]
- The results show that THMs concentration is controlled by chlorine residual and is increased with the increase of pipe length. 结果表明：三卤甲烷在管网中只受余氯的影响，其含量一般随管道长度的增加而增加；
