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- The properties of surfactants,the main kinds of anionic surfactants,and the environmental water pollution caused by the applications of anionic surfactants were reviewed. 简要介绍了表面活性剂的性质,阴离子表面活性剂的种类及其对水体环境的危害;
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Water pollution has long been a major concern among the environmental issues. 长期以来水污染一直都是环境问题中备受关注的。
- Environmental Water Pollution 环境水镉污染
- Was water pollution a problem before? 以前有水污染问题吗?
- Environmental Protection: sewage disposal engineering and equipment, water pollution controlling, air pollution controlling, proposal of waste materials, ecological environment protection, etc. 环保:水处理工程及设备、水污染控制、大气污染控制、废物处理、清洁设备、固体废弃物污染控制、生态环境保护等。
- Eg: They did a lot to stop water pollution. 他们采取大量措施制止水污染。
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的?
- Fight the mounting threat of urban water pollution. 应对日益严重的城市水污染的威胁。
- Water pollution did damage to the crops. 水污染对农作物造成损害。
- Industrial water Pollution Control II. 工业水污染控制2。
- How are frogs being harmed by water pollution? 水污染是如何对青蛙造成损害的?
- Design a poster for preventing water pollution. 设计一幅防止水污染的海报。
- The concern of this book is water pollution. 这本书所讲的是水污染问题。
- Air pollution and water pollution are environmental problems. Man is doing his best to solve such problems. 空气和水的污染是环境问题,人们正尽力解决这类问题。
- Water pollution has also increased with urban development. 随着城市发展,水污染问题日益严重。
- Ecological and environmental water requirement has been one of the research foci of eco-hydrology in the world. 摘要生态环境需水是国内外生态水文学研究的热点问题。
- Soil erosion is a main contributor to water pollution. 土壤侵蚀是水污染的一个主要根源。
- Water pollution causes the residents vulnerable to decease. 水的污染使居民们容易得病。
- The amounts of arsenic,selenium and mercury in environmental water were determined by AFS. 原子荧光光谱法测定环境水中砷、硒和汞,试验了标准系列的配制方法;