Carboxylic acids possibly made significant contributions to acid rain, especially in Shenzhen,which is located at subtropical zone with strong solar radiation and active photochemical process,favorable to carboxylic acid formation.

Influence of precipitation condition on dilution of atmospheric pollutant concentration in Harbin City;

Research on Decline Alka Lescence of the Precipitation Factors in Jiayuguan;

Characteristics and correlative analysis of chemical composition of precipitation in Qingdao City;

Analysis of annual and seasonal statistical characteristics of rainwater pH value in west of Yellow Sea;

Chemical characteristic analysis on major ions of rainwater at Qianliyan Island in Spring and Summer;

Rainwater samples were collected at rain-sampling Spot of Zhoushan in 2002～2003,Major cation concentrations(H~+,NH~+_4,K~+,Na~+,Ca~(2+),Mg~(2+)) of rainwater sample were determined.

The influence of dewatering on the slope stability of saturated silt soil slope;

FEM analysis of settlement caused by dewatering in deep excavation;

Determination of coefficient M_s during calculation of surrounding ground settlement due to foundation pit dewatering;

Sulfur Content in Rainfall and its Effects on the Farmland Ecosystem in Hubei Province;

Study on Simultaneous Determination of K,Na,Ca and Mg in Rainfall by IRIS/AP ICP AES;

Analysis of rainfall and study on utilizing rainwater in Shijiazhuang city;

Deep foundation pit supporting and dewatering construction of one high-rise building;

Analysis and treatment of dewatering settlement of fill subgrade;

The application of deep well point in dewatering of deep foundation pit;