This paper studied the life custom of 19 tree shrews during the course of lactation from February to August.

Analysis on roof coal activity rule in compound mining face;

These factors are ground fissures distinguishing,genetic types of ground fissures,effecting zones of ground fissures,ground fissure s activity rules and seismic effect.

Based on monitoring the "time-space-intensity" of dynamic hazards,such as rockburstst,he research on activity rules of mining shock in deep coal mine is presented,especially in the area with high-stress concentration.

Daily activity regularity of Liriomyza huidobrensis and the adults of Opius spp.;

According to typhoon data of Fujian during 1949～1998, the activity regularity and several kinds of affecting factors of typhoon landing in south Fujian are analyzed and the results are as follow.

Behavior and activity rhythm of flower-visiting insects on Chrysanthemum morifolium in Nanjing suburb;

Differences of time budget and activity rhythm of captive and semi-free Amur tiger (Panthera tigris altaica);

In order to explain the regular activity rhythm and time allocation of Grus leucogeranus behavior in swamp wetland ecosystem in fall,the initial observation of behavior of this kind of bird in the period of migration had been conducted in Qianmuji nature reserve of Inner Mongeolia on September 10～15 of 2003.