The pathogenic isolation of pittosporium sooty blotch and toxicity determination of germicide;

Introduced several separation methods on lignin in wheat straw material,residual lignin in the pulp,dissolved lignin in the liquid;detailed discussed the application of the UV、IR、NMR spectroscopy in the study of lignin structure.

The effects of some operational factors, such as mononuclear cell separation methods, CB plasma, inoculum density, osmotic pressures , and the preservation of cytokines, on the CB stem/progenitor cell cultures ex vivo were investigated.

Mainly introduced the oil sand nature as well as the present oil sand distribution and the reserves, elaborated the oil sand method of exploitation and the oil sand separation method.

A new load separation method using load gravity and suitable thrust is presented.

Concerning HMW-GS,the structure of gene,the separation method,the influence to the quality,the application in the breeding and the distribution in our country were described.

Vapor-liquid equilibria and separation of methanol-dimethyl carbonate azeotrope are(reviewed) in this paper.

Recent development in the separation of dimethyl carbonate and methanol binary azeotropic mixture was introduced and summarized,especially for extractive distillation and azeotropic distillation processes.

This paper summarizes research adcance of flavonoids in medical value and methods of exaction and separation from different kinds of plants.