Economic Analysis of Water Basin Water Pollution and Its Governance;
流域水污染成因及其治理的经济分析
Study on the Causes of Pb Contamination in Westlake Longjing Tea and Their Control Techniques;
西湖龙井茶铅污染成因及治理技术研究
Condition of the Three Rivers and the Comprehensive Management in Haian Country;
海安“三河”污染成因及其综合整治方案的研究
Cause and advise on the aquaculture water pollution in China;
我国水产养殖水污染成因及其对策研究
The cause of environment pollution and the policy of management about sea alongshore in our country;
我国近岸海域环境污染成因与管理对策
Analysis and Solution on Water Pollution of Putian Dongzhen Reservoir;
莆田市东圳水库水源污染成因分析与对策建议
The Evaluation of the Air Atmosphere s Quality of Fuzhou and the Analysis of the Cause for Air Pollution;
福州市区大气环境质量评价及污染成因分析
A Rational Analysis of Water Pollution Factors in Wei River Valley and the Prevention and Control Measures;
渭河流域水污染成因的探析及防治对策
Study on the Reasons and Controlling Countermeasures of Rural Non-point Source Pollution Around Poyang Lake
环鄱阳湖区农村面源污染成因及控制对策研究
a discoloration caused by blood.
物体上因为沾染上血而形成的污点。
a stain produced by oil.
物体上因为沾染上油而形成的污点。
a stain produced by mud.
物体上因为沾染上泥而形成的污点。
Fluorine Pollution and its Formation Analysis of the Shallow Groundwater in Jiaozuo City
焦作市浅层地下水氟污染及成因分析
Abstract: In recent years, exhausted gas contamination of vehicle becomes the main factor for air pollution in cities.
文摘:目前，汽车排气污染已成为城市空气污染的主要因素。
or contamination with industrial or farm waste.
或工农业污水造成污染。
AN ANALYSIS AND PREDICTION OF HEAVY POLLUTION ON WINTER METEOROLOGICAL CONDITIONS IN CHENGDU
成都市冬季重污染日气象条件成因分析及预报
Ever-increasing traffic and household fires are blamed for the pollution.
汽车尾气和家庭取暖是造成污染的主要原因。
THE CAUSE OF FORMING ACID RAIN IN HENGYANG AND PREDICTION AND COUNTERMEASURES OF THE POLLUTION
衡阳市酸雨的成因及其污染的预测与对策