Five kinds of plant and two kinds of artificial windproof materials were used to observe on the difference of capacity of reducing wind velocity in windy days in the spring.

Based on the analysis of soil modulus level and research on road material in Zhengzhou, the laying down typical structure of asphalt pavement of Zhengzhou is carried out in accordance with the road axle-load traffic ability of the city and the related design specifications of highway and city road.

This paper introduces the features of the Biomembrane,and analyzes on the factors influencing the generation of the biomembrane in the drinking water-supply system,which include the disinfectant and its residual density in the system,the drug resistance of the microbes,the types and densities of the reducible compounds in the drinking water,the pipeline materials,and the water temperature,etc.