The review of the research results of China s velocity of money circulation indicates that there exist some faults in both the depth of theoretical studies and the accurateness of positive studies, which provide us with the direction for further studies.

Our policies to strengthen and improve the psychological ed ucation in school are as follows:construct the system of making dialogues and commu nications with cerebral science,ap ply the research results in cerebral science to the practice of psychological ed ucation in school,implement actively the psychological education aimed at all -round brain developm.

The research achievements and application on the plants freeze resistance;

This article reviewed the phylogeny and present situation of longwall top coal caving technology, introduced main research achievements in detail, pointed out problems and developing direction of longwall top coal caving technology.

The purpose of this article is to review research achievements on land conservation both in domestic and abroad, and help construct scientific mechanism of land conservation in China.

This article makes a general presentation based on the domestic information and reports on ammonia and urea industries published from July 2002 to June 2003 of the research achievements and technology on ammonia including the sections as making of feed gas,purification,shifting,CO2 removal,ammonia synthesizing and urea section for which process,equipment,controls,catalysts are touched upon.

Introduces the main research achievements in theory and technology of cross wedge rolling technology in China at present, and its application and future developments.

The local history s column of Journal of Qinghai University for Nationalities have published a lot of deep and original research achievements concerning history and culture of Qinghai since 30 years ,which plays an active role for the spreading of local history and culture and the facilitating of socialist spiritual civilization.