Discovery of HOlocene Aeolian Sand in Huahai Lakeand its Environmental Significance;

Huahai sag is a small sedimentary fault-depression basin formed during Mesozoic-Cenozoic periods, its accumulation conditions of oil and gas represent the characteristics of medium-small basins.

The Extraction Technology of the Essential Oil from the Flowers of Pittosporum tobira Ait.;

Objective: The essential oil was isolated from the alobastrums of pittosporum tobive aitMethods: The essential oil was extracted from the alabastrums of Pittosporum tobira Ait.

Study on Effects of Haidonghua Powder on Nutritive Obesity in Mice;

A simple logic——Plan of Haiwang Garden in Weifang,Shandong;