This paper suggests some improvements to the lecture experiment of the reaction between iron wire and copper sulfate solution in junior middle school text book, presents some methods for preparing the "copper tree" experiment and discusses some controversial issues related to Cu (OH)2·CuCO3 and CuSO4·5H2O.

Cynanchum bungei Decne s Biological Characteristics and Cultural Practice;

In this experiment, the authors successfully grow seedlings by making cuttages with the Cynanchum bungei Decne vines in plastic shed full of vapour.

The dried root of Cynanchum bungei Decne has been used in traditional medicine for the prevention and treatment of geriatric diseases and prolonging life.

Investigation of Some Questions about Ibn Battu tah s Visit to China;