Pyridine-2,3-dicarboxylic anhydride,a key intermediate of the herbicide imazapyr,was synthesized from pyridine-2,3-dicarboxylic acid and anhydride according to the methods in the patents.

This article discussed industrial synthesis method of the imidazolinone herbicide-Imazapyr, Imazethapyr, Imazapic and laboratorial synthesis method of the Imazamox.

Residue Determination of Exfenvalerate and Deltamethin in Tabacco by Gas Chromatography;

Study on Transferring of TMVcp and CMVcp Genes into Tabacco by Mediating Riplasmid of Agrobacterium rhizogenes;

Dietribution and control of weeds in tabacco seedbeds;

Analysis on the Development Strategy and Trend of Chinese Tobacco Industry;

Application of solid phase extraction spectrophotometry with SBDR in analysis of leadin tobacco;

A Device for Analyzing Heating-Moistening Characteristics of Tobacco;