Current Situation,Impact and Control Strategy of Exotic Weeds in Tianmen City;

Through the marketing research we can have an exact recognization on the real conditions of Chaotianmen market: It is mainly a free system market and the secondary wholesale market now, and chief customers are the people with low or middle income in urban or rural areas.

Comparative research into the difference between Yiwu Market and Chaotianmen Market of Chongqing;

Brief Report on Excavation of Neolithic Site at Zhangjiashan, Tianmen, Hubei;

SHRIMP Dating of Tianmenshan Granite Pluton and Granite-Porphyry Dyke in Southern Jiangxi Province,Eastern Nanling Region,and Its Significance;

Geologic marks related to extraterrestrial impact events, such as im pact split gravels, impact brecciate layers, impact dikes, microirghizites, micr otektites, especially meteoritic residues, were discovered on the boundary betwe en Sinian/Cambrian in Tianmenshan of Western Hunan, which may possibly demonstra te that an extraterrestrial impact event has ever occurred there on the SC bound ary.

The objective stratum related to possible extraterrestrial impacted events in Yangtze paleo-platform of China is preliminarily confirmed by the Ni-Mo polymetal elements layer on the boundary of Sinian /Cambrian in Tianmenshan of western H unan Province.

Study on Isolation, Purification and Glucopeptide Bond of Glucoprotein form Asparagus Cochinchinensis;

AG-b was one of the glycoproteins from Asparagus cochinchinensis,precipated with 40% acetone,and its β-eliminated product had 243 nm UV absorption band,indicating the linkage linking protein and polysaccharide was O-type bond.