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- the fetor of polluted waters 受污染水体的臭气
- The fetor of polluted waters; 受污染水体的臭气;
- The bioaugmentation function of biochemical fulvic acid (BFA) on the bioremediation of polluted water body was studied. 研究了生化黄腐酸(BFA)对污染水体生物修复的强化作用。
- Series 774X Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system. 系列747双止回阀总成用于防止污水回流进入饮用水系统中。
- Series774 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system. 系列747双止回阀总成用于防止污水回流进入饮用水系统中。
- Series774 XDCDA Double Check Detector Assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply. 系列747XDCDA双止回阀检测器总成用于防止污水回流进入饮用水系统中。
- Research on purification of polluted water by different submerged macrophytes,Cabamba carolimana Gray,Elodea Canadensis and Ceratophyllum demersum L. 对鱼草、伊乐藻、金鱼藻三种沉水植物在不同条件下净化受污水体进行了研究。
- Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply. 在相关的交叉连接处应该安装一个双止回阀总成，以防止受到污染的水回流到饮用水系统中。
- Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply. 双止回阀总成应该安装在每个值得注意的位置，用于防止污水出现不需要的回流而流进饮用水供应系统中。
- The new progresses on bioremediation of polluted water were summarized, and orientation for study and application of remediation was proposed. 根据国内外有关水体生物修复的文献，对水体生物修复的最新进展作了综述，并提出水体修复技术的研究与应用方向。
- The study of purification efficiency of polluted water remediation by submerged Macrophytes,including Ceratophyllum Demersum L. 对金鱼藻、苦草和伊乐藻三类沉水植物净化受污水体的效果进行了试验研究。
- The World Health Organization has suggested that the high rate of such digestive cancers are due to the ingestion of polluted water. 世卫组织曾提示说，饮用被污染的水导致了此类消化系统癌症的发生。
- A Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply. 双止回阀总成应该安装在每个值得注意的位置，用于防止污水出现不需要的回流而流进饮用水供应系统中。
- Water quality Stabilizer is widely used to treat make-up water and circulated water, its usage is increasing, but small amount of polluted water is needed to be drained. 目前中小型化肥厂普遍采用水质稳定剂技术处理补充水和循环水,尽管提高了水的利用率,却仍有少量污水排放;
- Photosynthetic bacteria could be used both before and after the sewage discharging,helping reestablish ecosystem of polluted water body,and converting sewage to useful resources. 研究将高效光合细菌用于污染水体,既能在污水排放前集中处理,起到前置库的作用,又能直接用于污染流域,逐步帮助恢复良好的水生态系统,使污水资源化。
- ZHU Wei,CHEN Qingjing,ZHANG Lanfang.Purification effect of polluted water in low temperature in winter by Elodea nuttallii[J].Ecology and Environment,2004,13(4):497-499. [2]朱伟;陈清锦;张兰芳.;伊乐藻在冬季低温条件下对污染水体的净化效果[J]
- Protozoa exits in various wastewater, by whose biological indicator and mechanism we can determine the degree of polluted water and cleanse the wastewater. 原生动物存在于各种污染水体,利用其作为指示生物判断水质污染程度,利用其机能净化污水。
- We now come to the question of pollution. 我们现在开始谈污染问题。
- There's a lot of pollution in the air here. 这里的空气有大量的污染物质。
