The new advance in enzyme engineering research such as development of natural enzymes,chemical and genetic modification of enzymes,immobilization of enzymes,synzymes,cloning and expression of enzyme genes and genetic design of enzymes are introduced.

The artificial synthesis and applications of the diamond powders,monocrystalline diamond,diamond film and polycrystalline diamond have been summarized.

Study on the Synthesis and Bioactivity of Philanthotoxin Analogs;

This paper introduces the formation mechanism of solid solution and its use in the synthesis of fast ion conductors,and discusses the effects of solid solution formation process on the structure and conducting property of matrix compounds by citing actual examples.

Aim The development and synthesis methods of prostratin(12-deoxyphorbol 13-acetate) for clinical research are reviewed.

Research status and trend of development of synthetic sweetness and preservative

5 and ten synthetic promoters, designated PS1￣PS10, were generated using different combinations of the oligonucleotides.

Furthermore,it put forward a computing model of the trigonometric series nestification artificially synthesized accelerated time history,and introduced the det.

The fully motified gene can not only broaden insecticidal spectrum, it may also delay the process of insects developing resistance.