Preliminary Study on Disease Species and Occurrence of Polygonatum sibiricum Delar.in Guizhou;

A preliminary study on the occurrence and epizootics of two natural enemies of cereal aphids in Tai an;

Study on the Occurrence of Wolly Apple Aphid in Shanxi Province;

The Relationship between Catechol-O-Methyltransferase (COMT) Polymorphisms and the Development of Breast Cancer;

Advance on development and analysis on economic outlook of blood cells in teleostean;

Influence of Environmental Conditions upon Development of Phytophthora Root Rot of Soybean Seedling;

Melanin Genesis of Taihe Silkie Chicken During Embryonic Period;

The organ genesis and formation of Coelomactra antiquata;

Objective:To explore relationship between the level of plasma soluble CD44S、CD44v6、v7 v8 variant and the genesis and the metastasis of four types of lung carcinomas(SCC、ADC、SCLC、BAC).

Research on Occurence and Control of Whiteflies in the Greenhouse in Xinjiang of Southern Shanxi Province,China;

Study on Occurence and Control of Shoot oriented Bamboo Pests;

Studies on Occurence and Control of Diocalandra sp;

The Generation and Control of the Maize Head Sumt and Research on the Disease Resistance Breeding;

Generation and Chemical Control of Pear Sucker;

The generation of human aesthetic psychology, closely related to the natural environment,was prec.

Analysis of the climate factors contributing to the outbreak of Malacosoma neustria testacea Motschulsky in Daxing an Mountains;

In practice it’s found that adopting technological chemical manual and biological controlling measures coherently and continuously could prevent the outbreak of pest disaster effectively.

This paper reviewed these key factors effecting on the outbreak of bark beetles to provide referrences for the sustainable management of bark beetles.