Methods for analyzing the residues of the Pyrethroid pesticides in waters by using solid phase extraction(C_(18)-cartridge) and gas-chromatography/electron-capture detection(GC/ECD) was established.

The determination of pyrethroid pesticide residues in peanut by gas chromatographic method;

Gas Chromatographic Method for the Determination of Pyrethroid Pesticide Residuaes in Tomato Jam;

Determining pyrethroid pesticide residues in pepper by CGC-ECD;

A Matrix Solid-phase Disperion Method for Determination of Pyrethroids in radix glycyrrhizae;

The five pyrethroids in Herba cistanches were determined by matrix solid-phase dispersion method(MSPD) and gas chromatography .

The pyrethroids in pear sample were extracted by a mixture of n-hexane and ethyl acetate(80/20,V/V).

Improvement detection of organic chlorine and tyrethrin pesticides in tea;

Methods for analyzing the residues of the tyrethrin pesticides in waters by using solid phase extraction(C18-cartidge) andgas-chromatography/electron-capture detection(GC/ECD) were established.

The acute toxicity of four pyrethroids pesticides(deltamethrin,fenvalerate,cyhalothrin and beta-cypermethrin) to Bombus hypocrita were assessed by consecutive(bees were fed with contaminated sugar during the whole test) and initial acute oral(contaminated sugar were only fed to bees at the first 2 hours of the test) toxicity tests.