Based in the laboratory building the small aquatic ecosystem, purification effect of the eutrophication water by aquatic plants is researched.
该文通过在实验室构建小型的水生生态系统，采用水培方法，研究水生植物对富营养化水质的净化效应。
With a great deal of sewage and garbage being increasingly drained into the sea, great attentions have been paid to the effect of mangrove wetland system on water purification.
随着大量污水、废物源源不断地排放入海，红树林湿地的水体净化功能正日益受到重视。
The test result indicates that there is more diversity of purification water effect for granular activated carbon in different active carbon factories.
试验结果表明，不同活性炭厂家生产的颗粒状果壳活性炭对饮用水净化效果有较大差异。
The results show that the system using new combined fillers has better purification effect on polluted river water and higher hydraulic loading than the system using only river sand as fillers.
结果表明，新型混合填料渗滤系统对受污染河水的净化效果较好，系统的水力负荷也较单独以河砂为填料的渗滤池有大幅提高。
To enhance the effect of water purification, the system of pressurized dissolved air flotation was optimal in design.
采用一套自主开发研制的加压溶气气浮装置，对养殖水体中的微颗粒进行净化。
Experiments show that the means of purification in the paper may produce good effect of removing water.
实验表明：本文所述纯化试剂方法，去水效果明显。
Compared with a present water purification valve, the utility model has simple structure, low manufacture cost, no blocking, good purifying effect and long service life.
它比现有净水阀的结构简单，制造成本低，不易堵塞，净化效果好，使用寿命长。
The flocculants including 15% cationic and 1% hydrophobic function monomer have the best purification water effect.
絮凝剂分子中含有15%的阳离子基团和1%左右的疏水基因则更有利于其净水效果的发挥。
The purification effect of biological aerated filter stuffed with zeolite, haydite and volcanic rock for river water was studied.
以沸石、陶粒和火山岩曝气生物滤池为研究对象，研究了其对实际河水的净化效果。
According to the above conclusions, we found that the water landscape of Nanjing city has a large optimization space, and the tested plants both have good view and purification effect.
根据调研及试验分析，发现南京主城区的水体景观存在着较大的优化空间，供试植物材料兼具良好的观赏与净化效果。
The effect of Purification on these two radioactivity-contaminated water sources by using the purifier has shown that 99% (20L) of the intensity of the radioactivity has been purified.
该净水器对两个水源中放射性污染物的净化效果表明，对试验水样中污染物的放射性强度均能净化（2 0L）达到99%以上；
The product has the advantages of simple structure, low cost, convenient operation, and good purification effect and is suitable for drinking water in families in particular.
该产品结构简单，成本低，使用方便，净化效果好，特别适合家庭饮水用。
In order to achieve a better wetting effect and prevent clean water to the humidification of space pollution caused by high-performance standard in the humidifier water purification filter.
为达到更好的加湿效果及防止不洁净的水对加湿空间造成污染，该加湿器标配高性能净水过滤器。
In order to achieve a better wetting effect and prevent clean water to the humidification of space pollution caused by high-performance standard in the humidifier water purification filter.
为达到更好的加湿效果及防止不洁净的水对加湿空间造成污染，该加湿器标配高性能净水过滤器。
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