An internal standard quantitative analysis method of threo-3,4-dihydroxyhexane-2,5-dione was established using the gas chromatography, and it was foun.

Green tea juice was used in the Su-style moon cakes, and it can prevent fat from oxidative rancidity to extend the shelf life of moon cakes.

This article analyzes the reasons why the Soviet modes have been introduced in economy,politics,and education;discusses the evolution and foundation of Technical secondary education in Soviet,and its influence on the education in Eastern European countries and elaborates the introducing process of Soviet mode in China.

China is the first country that successfully broke through the Soviet mode and advanced towards the socialist market economy.

This paper,after clarifying some relative concepts,discusses the difference between Stalin and Soviet mode,which helps understand and evaluate Soviet history,and therefore strengthens the confidence of Chinese reform.