Distribution of sulfur content in flue-cured tobacco leaves at main areas of China and its correlation analysis with other chemical components;

Multivariate statistical analysis of chemical components in flue-cured tobacco leaves under different locations in Yunnan;

Dynamic changes of polyphenols and its correlation with other chemical components in flue-cured tobacco leaves under different aging conditions;

Study on the chemical constituents of the whole plant of Sonchus oleraceus L.;

Analysis of Chemical Constituents of Aglaia Odorata by Gas Chromatography-Mass Spectrometry;

Studies on the chemical constituents of the fermentation liquid from marine actinomyces Micromonospora sp.and bacteria Oceanospirillum sp.;

Three biochemistry components of7varieties with different lodging-resistances at2nitrogen levels and2planting densities were determined.

Then study change of biochemistry components of rained tea leaves during spreading by measuring TP、total AA、CAF、water extract、total chlorophyl、components of catechin and amino acids in tea leaves.

Study on dynamic change regulation of ramie's chemical composition;

Chemical composition and pulping properties of Dendrocalamus barbatus;

Study on quantitative analysis method of flax fiber chemical composition;