This text studies the pH kind cluster and ecosystem characteristic of yeast fungus inside the ferment system of the distilled spirit , by the technique principle and method of the microbiology .

Operation of acidogenesis and homoacetogenesis coupling system and its microbial community analysis;

Studied on the distribution pattern of Populus euphratica Oliv & Populus Pruinosa Schrenk community,discussed on the location of the community changes of Populus euphratica Oliv & Populus Pruinosa Schrenk,and deduced their spreading mechanism and the populus evolution.

The effects of environmental factors on the fluctuations of Sinopotamon chekiangense Tai et Song's population;

Spatial and temporal distribution of water hyacinth population in Shanghai and its control methods.;

Effects of methamidophos and acetochlor on population and activity of methanogens.;

Mosquito species and their seasonal growth and decay at Zhenjiang port;

Survey on Fly Species and Density in Xiaogan Urban Area;

An Investigation on Fly Density and Species in Nanchang Frontier Area;

Study on Distribution Pattern of Amanita Populations;

Quantitative Characters of Vegetative Multiplication of Bothriochloa ischaemum Populations;

Analysis on the Genetic Divergence of Five Populations of Locusta migratoria by using RAPD;