Characterization of Growth Indices and Breeding of Inbred SX1 Mice;

Breeding and Character of a Hairless Mouse Strain;

Study on Heredity and Breeding of Human Scavenger Receptor-AI Transgenic Mice;

Study on the Seedling Propagation Technique of Ternscroemia kwangtungensis;

Propagation and Utilization of an Endangered Rree Cercidiphyllum japonicum Sieb.Et Zucc.;

In the meanwhile,the propagation of some endangered tree species was made and the protection propagation countermeasures were put forward.

This thesis discusses the problems in the breeding of the trees and extraction and utilization of natural d-borneol.

In order to protect and use the natural resources of the Elaphe carinata effectively, the authors researched on feeding the young snakes and breeding the sub-generation snakes artificially in August 1998 to August 2003.

The paper introduces the fine variety types, variety selection and arrangement,techniques for reproduction of tea seedlings and construction of a new tea garden according to the research results and productive practice in detail.

Germplasm Resource of Atriplex Plants and Its Multiplication Techniques;

The standardized head-line multiplication:the key techniques for elite varieties of rice;

In the sametime,tube seedlings multiplication,detoxified seedling of cutting openly and the industrialization,of micro-potato were studied.