Analysis on the human factors on Guizhou karst rock-desertification;

Multilevel fuzzy integrate assessment of aviation safety centered on human factors;

Exploration on constructing "human factors/human engineering" specialized experimental platform;

Multidimensional analysis model of accident causes resulted from human factors;

The present situation of human factor causing geological disaster in Chongqing and its prevention and control countermeasures;

Quantitative analysis of human factor on agricultural drought in Xiushan County;

Clinical observation on artificial factors influencing selection of cesarean section and nursing countermeasures;

Effects of the artificial factors on the collection by the retrospective database construction of the periodical;

The main causes of ecological destruction by mining activities can be divided into two types:natural factors and artificial factors.

Research on human element in fire accident on ship;

A research on human element in fire accident in the engine room;

This paper analyzed the cause of maritime accidents in Bohai Bay using nine typical cases,and gave a detailed investi- gation from the aspect of human elements.

Some indexes of the disasters of the world and China seem more serious in 2005 than in 2004, the reasons for which include not only natural factors, but also artificial factors.

There are two reasons that caused land desertification: the nature factors and the artificial factors.

According to corrosion of concrete more and more common,it analyzes its cause from physical、chemical and artificial factors,and puts forward prevention measures to improve construction quality of concrete and extend its service life.