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- All units shall strengthen the prevention and control of water pollution to protect and improve water quality. 各单位应当加强水污染防治工作,保护和改善水质。
- It is necessary to take ecological restoration to improve water quality in ecosystem destructed headwaters area of reservoir. 摘要为改善和保证库区水体水质,有必要对生态系统受到破坏的水库水源地进行生态修复。
- Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater. 科学家说树木也可以通过出去土壤及地下水中的污染物质以改善农田附近的水质。
- Trees can also improve water quality around farms by removing pollutants from soil and groundwater. 树还可以通过土壤和地下水排走污染物,改善农场的水质。
- Working with our neighbours is also important to achieving our goals to improve water quality,but again there is much we must do within Hong Kong. 与邻近地方合作,对达致我们改善水质的目标也是重要的。但同样地,我们在香港要做的事何其多。
- The information will help users learn about the causes of unsafe drinking water and technologies that can improve water quality. 这些信息将有助于使用者学到有关不安全饮用水的导致原因及能改善水质量的科学技术。
- Article 6: All units shall strengthen the prevention and control of water pollution to protect and improve water quality. 第六条 各单位应当加强水污染防治工作,保护和改善水质。
- Also ten thousand free copies of DVD versions of the information were go to nongovernmental groups working to improve water quality. 同时,一万张含有这些信息的免费DVD光盘分发给了致力于改善水质量的非政府组织。
- Also, 10 thousand free copies of DVD versions of the information will go to nongovernmental groups working to improve water quality. 同时,将有10000份信息的DVD拷贝版本提供给致力于改善水质的非政府机构。
- Also, 10000 free copies of DVD versions of the information will go to nongovernmental groups working to improve water quality. 同时,相关信息的1万张免费DVD版本将发放给那些努力改善水质量的非政府组织。
- Working with our neighbours is also important to achieving our goals to improve water quality, but again there is much we must do within Hong Kong. 与邻近地方合作,对达致我们改善水质的目标也是重要的。但同样地,我们在香港要做的事何其多。
- The areas of preservation of water source of Chaihe reservoir play important roles to protect and improve water quality. 简述了柴河水库水源涵养对保护水源水质、改善水质的作用;
- The aquatic environment and the influence elementof Er Wang Zhuang reservoir were analysed in the paper.And then technical information was produced so to improve water quality. 对引滦输水调剂水库尔王庄水库的水生生态环境和富营养化情况进行了分析,剖析了水质影响因素,为改善尔王庄水库水质提供了有利技术依据。
- Ruppiaceae L. and its associated algal community improve water quality, dampen incoming waves, and prevent the erosion of the coastline by the sea.Because Ruppiac... 科学管理川蔓藻,对水体环境的改善、海洋污染的治理和湿地生物多样性下降的缓解具有重要价值。
- Improved water quality will stimulate agricultural production and improve quality of life. 水质优化更会促进农业生产,提高生活质量。
- Abstract: To improve water quality of a running water plant,headwater of which is the Fuyang River in Handan City.Using bone glue as a coagulant,the static and unstatic experiments are carried out, the optimum bone glue dosage is found out. 文摘:针对邯郸市滏阳河水的水质特点及地表水厂的现状,在不进行大规模的土建改造和大幅度提高运行费用的前提下,采用骨胶作为助凝剂,进行静态实验和动态实验,寻找出骨胶的最佳投量范围,达到了改善水质的目的。
- And they act as a windbreak, reducing heating costs in the winter.Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater. 科学家指出,树木可以滤去土壤和地下水中的污染物,从而改善了农场周围的水质。
- Consequently, to understand the reason for forming periodic algal bloom, is necessary for improving water quality in this reservoir. 所以对于新山水库,必须了解形成藻华现象的原因,方能采取适当措施,预防优养问题发生。
- XU ZAI-KUAN.A study on improving water quality by water hyacinth[J].Journal of Nanjing Forestry University,2000,24(suppl):116-117. [11]徐在宽.;水葫芦对水质改良效果的研究[J]