Investigation on population composition of rat-shaped animals and its parasitic fleas at seven ports in Heilongjiang province;

Objective To know the species forming of mosquitoes and their season growth and decay in Zhenjiang,and to provide scientific basis for preventing mosquitoes effectively.

Objective To investigate the species forming of mesquitoes and their ecological distribution in Baoji city,and to provide scientific basis for preventing mosquitoes effectively.

Analysis of four pest growth and decay trend and population composing in Qingyuan downtown area in 2004～2005;

Review of modern culture-independent methods used to study community structure and function of denitrifying microorganisms;

Biomass and community structure of biofilm development in drinking water distribution systems;

Community Structure of Phytoplankton in The Branches of Xinjiang Ertix River