1.
Water Self-purification and Its Assessment of Shanghai Coastal Zone;
上海滨岸带水体自然净化作用及其评价
2.
Discussion of Water Resources Natural Treatment and Construction of Recycle Systems
水资源自然净化利用研究及系统构建
3.
The Design Program of Natural Purification Methods in the Treatment of Municipal Wastewater
自然净化方式处理城市生活污水的设计方案
4.
Treatment of Rural Domestic Sewage by Land Natural Purification Technology under Cultivation Layer
耕作层下土地自然净化技术处理村镇生活污水
5.
Purity, natural balance, the trinity of Maid/ Mother/ Crone and son/ Father/ Wise man.
净化，自然的平衡，少女/母亲/老妇及孩子/父亲/智慧的三位一体。
6.
Reduce inflammation ,keep body clean and health.
消炎、杀菌。令身体干净清爽，健康自然。
7.
The Purification and Optimize Design about Upland Natural Ditch with Urban Wastewater in Shibao Town
石宝镇自然排水沟渠对生活污水的净化效果及其改造强化方案探讨
8.
glycol-amine gas treating plant
天然气净化和脱水用的乙二醇-胺装置
9.
Design and Operation of Wastewater Treatment Process in Natural Gas Purification Plant
天然气净化厂的废水处理设计与运行
10.
pure natural water from a stream or brook; often distinguished from soda water.
来自溪流的天然纯净水，通常区别于苏打水。
11.
Research on Pollutant Dispersion and Self-purification in Harbors
港区污染物扩散及水体自净模拟研究
12.
The discussion of industrialization of GJ-Model drinking water integrated purifier;
GJ-型一体化净水器的工业化探讨
13.
The Purification Functions of a Biological Cleaning Agent on Aquaculture Water of Chinese Mitten Crab
一种生物净水剂对河蟹养殖水体水质净化效果研究
14.
Laboratory Simulation Study on the Anaerobic Biodegradability of Natural Gas Purification Wastewater;
天然气净化废水厌氧可生化性实验研究
15.
Study on Pretreatment of Detecting Wastewater from Natural Gas Purification by Fenton Oxidation
Fenton氧化预处理天然气净化检修废水的研究
16.
Water is never found pure in nature; it is nearly pure when gathered in an open field, after a heavy rainfall, or from springs.
自然中的水绝不会是纯净的水，大雨过后在旷地里打的水或者从泉中打的水近乎纯净。
17.
A Study on Water-bloom and Self-purification in Small-scaled Urban Scenery Water;
城市小型景观水体水华成因及自净能力研究
18.
Study on Zaohe Sewage Purification by Highly Effective Compound Bacteria;
高效复合菌群对皂河水体的净化研究