Since the publication of The Good Earth,scarce attention has been paid to the detail of a flock of crows whirring and cawing over the head of Wang Long,the protagonist.

The image of crow is relatively important in Chinese literature as one of the bird- images.

By probing into the cultural connotation of crow, this paper states that each word not only bears the rational meaning which is human being s understanding of the objective world, but also concentrates the cultural meaning in human social practice, which is result of the synthetic effects of many factors, such as cultural background, folk custom, etiquette, nice or nasty psychology.

Rapid Analysis of Opium by Gas Chromatography;

An Exploration of the way inputting opium into Southeast of Guangxi in modern times——One of narcotic series papers;

Six compounds were isolated from the methnol extracts of Euscaphis japoneca kantiz for the first time.

The Expression of Counter-culture in Contemporary Graffiti Art;

We probe into the ambivalent but harmonious relation between them by researching how graffiti impact,remold and integrate the urban environmental color.

The generation,development,and characteristic of graffiti art were introduced.

The Hoarding Site Character of Sciurus vulgaris and Nucifraga caryocatactes in Liangshui Nature Reserve;