Determination of chlorpyrifos pesticide residues in ginger by GC;

Study on technique of inducing microrhizome in Zingiber officinale;

RAPD Analysis of Genetic Diversity among Zingiber officinale Cultivars;

Influences of Fe~(2+),Ti~(4+) and Sn~(4+) on the silk fabric treatment with dioscorea cirrhosa extract;

The process that tannin is extracted from dioscorea cirrhosais studied,the best technological conditions is selected by orthogonal design.

The weighting and dyeing of silk fabrics are performed with dioscorea cirrhosa extract as natural dye by steaming method, and the effects of steaming temperature, humidity, cycles, time, pick-up and solid content of the extract on the weighting percentage are discussed.

Extraction and Isolation of Effective Constituent of Antihypertensive from Dioscorea Cirrhosa Lour. and Research the Influence to Blood Pressure and Heart of Active Constituent;