"Silicified" can't be called "woodened","fossil" can't be called "fossil jade"——a discuss on the name of "tree fossil jade";

Fossil Baboon found in Yunnan, China;

The fossil record and phytogeographic history of Rhizophoraceae;

Early-Pleistocene carnivore fossils from Zhen′an,Shaanxi,China;

Preliminary report on Middle Jurassic strata and fossils from Linglongta area of Jianchang,Liaoning

In this paper,according to the study of the achievments of palacontology and modern evolution,the theory about the inside indistinction in the relation of fossils and evolution.

Analyzed existing problems, shortcomings and reasons to cause them in performance evaluation systems in domestic petroleum/petrochemical enterprise.

This article introduces general characters and development trend of multidivisional structure, and through typical examples, analyzes and summarizes the practice experiences of foreign major petrochemical companies.

Management countermeasure of human sources in petroleum and petrochemistry enterprise;

The article summarizes the operation situation of industries relevant to petroleum & petrochemical such as automobile, communications & transportation and agriculture during the Tenth Five-Year Plan as well as their develop-merit characteristics in 2005.

We are analyzing the exterior environment of the petroleum & petrochemical construction enterprises, the present conditions of the project management and the requirements of the multi-project management ,putting forward establish the project-oriented organization structure for the multi-project management model.

The article points out that improving investment benefits is an important measure to strengthen competitiveness for petroleum and petrochemical enterprises under the post WTO situation facing China's petroleum and petrochemical industry.

Entered into the new century, China s petroleum and petrochemical industry faces some new challenges and pressures.