1.
The Reasons of the Secondary Pollution about the Water Supply Pipeline Network and Improvement Measures;
供水管网二次污染的因素及改善措施
2.
Study and Application Using Gas-Water Impulse Technique to Solve the Problems of Secondary Pollution of Lager Diameter Pipe Network
气水脉冲冲洗技术在解决大口径供水管网二次污染问题中的研究与应用
3.
Influence of the Recontamination Resulted from the Biomembrane in Water Distribution Network
给水管网中管壁生物膜对水质二次污染的影响
4.
The Cause and the Measures of the Prevention and Cure Regarding the Secondary Pollution of Water Quality in Municipal Water Supply Piping System;
城市供水管网系统水质二次污染的原因及防治对策
5.
Studies on Mineral Secondary Pollution and Its Profound Problem
矿山环境二次污染及深层次问题探究
6.
Research on Secondary Contamination of Air Conditioning Systems in Closed Environment
密闭环境空调系统二次污染问题研究
7.
Inverse Convection-diffusion Problems of Plumes and Second Contamination
高炉和二次污染物的对流扩散反问题
8.
Experimental Simulation of Contamination Events and Investigation of Contamination Source Determination in Water Supply Systems
供水管网突发污染试验模拟及污染源定位研究
9.
Study on the Second Development and Application of the First Census Data of Pollution Sources
首次污染源普查数据的二次开发及应用研究
10.
Chapter II Supervision and Management of the Prevention and Control of Atmospheric Pollution
第二章 大气污染防治的监督管理
11.
CHAPTER II SUPERVISION AND ADMINISTRATION OF THE PREVENTION AND CONTROL OF ENVIRONMENTAL NOISE POLLUTION
第二章 环境噪声污染防治的监督管理
12.
Low-nitrogen combustion technology, smokeless and odorless, without harmful gas.
无二次污染低氮燃烧技术，无烟，无臭，无有害气体。
13.
Basic Study of the Secondary Pollutant Emissions from Incineration of the High Concentration Organic Waste Liquid;
高浓度有机废液焚烧二次污染物排放特性研究
14.
Quadratic finite volume element methods for the air pollution model in one-dimensional;
一维大气污染模型的二次有限体积元方法
15.
The Causes And Prevention Methods of Secondary Pollution of Residential Drinking Water;
居住区生活饮用水二次污染的原因与防治措施
16.
Research the Second Bio-contamination of Bucket Drinking Water and Biofilm
桶装饮用水二次生物污染及生物被膜研究
17.
STUDY ON SECONDARY POLLUTION BY ACID MINE WASTEWATER PREVENTION
酸性矿山废水治理过程中产生二次污染的研究
18.
Property Analysis of Secondary Pollutants in Shanghai Jiangqiao Domestic Waste Incineration Plant
上海江桥生活垃圾焚烧厂二次污染物性质分析