Primary performances and requirement of planting materials were presented in this paper according to possible compositions and use conditions of them.

Study on Selection of Plant Materials for Soil and Water Conservation in Southern Section of the Taihang Mountain;

To solve the problem of low nitrogen removal efficiency due to the shortage of organic carbon,plant materials rich in organic matter were added as an alternative carbon source to the wetland system.

The plant material adopted in Dengcheng road greenery engineering and its production situation were introduced,the drawbacks in plant material application were analyzed.

A simple and sensitive spectrophotometric method for assay of choline which had been developed for analysis of total choline in plant materials was reported here.

The Era of Drug-Eluting Stents——the Change of Coronary Artery Bypass Grafting Conduit;

Studies on the GS Impregnated Calcium Sulfate Implants;

In this study, a novel electrochemical method for the preparation of bioactive titanium oxide films to improve the corrosion resistance and biocompatibility of the titanium alloys implant.

A novel near-net forming process,gelcasting,was successfully used to prepare porous titanium implants with large-size and complex-shape,and the effects of processing parameters on the viscosity of the slurry,dry green strength, porosity and mechanical properties of sintered body were investigated.