Under laboratory conditions, the mechanical pulp by pretreatment of wheat straw was studied, the material of wheat straw could be dipped and softened by pretreatment of mild conditions, then the mechanical pulp could be made by mechanical defibrator.

The influence of mechanical pretreatment on biopulping results of Guangyechu white bast was investigated.

A new mechanical pretreatment of straw was reported in this article.

Conclusions:Mechanical preparation of endometrium prior to TCRE may reduce endometrial thickness,can effectively shorten operative time and lessen mean blood loss and absorption of fluid.

The different recycling methods for WEEE were summarized, including incineration process, hydrometallurgical approach, mechanical separation, and thermal process.

This article introduces traditional treatment methods on WEEE,including mechanical separation,incineration process and hydrometallurgical approach.

Seed dormancy of Sandersonia aurantiaca broken by interaction of GA_3and mechanical treatment;

The significance of recycling waste PCBs has been analyzed;prevalent reclamation methods have been reviewed,as metallurgy,mechanical treatment and incineration;and some promising technology such as heat treatment and microwave radiation was also discussed.