1) Low pollution water bodies
低污染水体
2) oligosaprobic waters
低污染水域;低污染水体;低腐生水体
3) polluted water body
污染水体
1.
In order to alleviate the threat of polluted water body in th e Shayinghe River and Wohe River discharge concentrated along with flood, Huaihe River Commission Ministry of Water Resources and other departments in the river basin have dispatched water gates scientifically in term of pollution joint-pre vention program, on the premise of ensuring flood control safety and engineering water supply.
2005年7月淮河干支流再次发生较大洪水,为减轻沙颍河、涡河污染水体随洪水集中下泄对淮河干流的污染威胁,水利部淮河水利委员会和流域各级水利部门按照污染联防预案,在保证防汛安全和工程供水的前提下,科学调度水闸,发挥出水闸等水利工程的调蓄和控制作用,有效减轻了水污染影响,避免了淮河中下游重大水污染事故的发生。
2.
In this paper, a theory is proposed for polluted water body renovation and a relation between reserved development capability and the capability of environmental improvement is established.
本文以广东省鹤地水库及上游九洲江水质保护工作为例,论述污染水体修复的一种理论—预留发展容量和环境改善容量,即不能把有限的环境容量资源利用殆尽,而是通过削减污染物排放量,预留部分环境容量资源供水体自然净化使用,修复污染水体,恢复水体环境功能。
4) water pollution
水体污染
1.
Changes of water pollution in the main channels of the Yellow river;
黄河干流水体污染时空变化特征
2.
Experimental study on effect of artificial compound bacteria on purifying water pollution;
人工复合细菌对水体污染净化效果的实验研究
3.
Analytic and treatment method for water pollution of Mulin river system, in the part of Jixi;
穆棱河水系鸡西段水体污染分析及其治理措施
6) Polluted water
污染水体
1.
Effect on polluted water purification by eight emergent plants
8种挺水植物对污染水体的净化效果比较
2.
Experiments on in-situ bioremediation for polluted water from river by environmental-friendly biostimulant called BZ were (carried) out.
采用环境友好型生物激活剂-BZ对某受污染水体进行静态修复试验,结果表明,BZ剂的加入可以促进水体中污染物CODCr、NH3 N和TP的降解。
3.
Experimental research on growth of Potamageton crispus and Elodea nuttallii under different polluted water;
针对沉水植物在污染水体中的生存阈值问题,在满足光补偿点的条件下,研究不同劣Ⅴ类水质中菹草(Potamageton crispus)、伊乐藻(Elodea nattalii)的生长情况。
补充资料：水体放射性污染物
(radioactivepollutantinwater)水体中含有原子核在衰变过程中能放出%26ldquo;%26alpha;、%26beta;和%26gamma;射线的放射性物质。其放射性活度以每秒发生核衰变的数目来表示，单位是Bq(贝可勒尔)。主要来自铀、钍、镭等矿脉及尾矿的雨水淋溶和径流冲刷，矿坑和洗矿废水，核反应堆冷却水和核燃料再生废水，核试验放射性沉降物等。它们通过直接辐照和食物链对人体产生危害；能导致脱发，皮肤红斑，白血球、红血球、血小板减少，白血病和癌症等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条