This thesis study the political activities of Yang Zhen, the representative figure of the Yang Family in Hongnong which was one of the top families during the Han Dynasty, and the evolution of the Yang Family in the period of the Han Dynasty.

Preliminary Report on Poplar Seedling Cultivation by Cutting with Black Film Covering;

Response of Narrow Crown Black Poplar and Narrow Crown Black-Cathay Poplar to Salt Stress;

Shoot tips from poplar [Populus alba×(P.

Analysing the Bleached Extruder Chemi-Mechanical Pulp of poplar by scan electron microscope;

Study on Gluing Properties of Cellulase and Hemicelluiase Disposed Poplar Wood;

Manufacture Technology of Binderless Fiberboard From Poplar and Cotton Straw;

Studies on scale convention of individual Populus euphratica and forest water consumption in Tarim Basin;

Study on the Extraction Process of Polyphenols from the Bark of Populus euphratica;

Volatiles from the Heartwood of Populus euphratica in Ancient Tomb;