Effect of Processing Methods on the Quantity of Gentiopicroside of Radix Gentianae;

Materials and processing methods of bipolar plates in PEMFC;

The varieties, the process methods and the recent developments and applications of electret material were reviewed.

This paper presents a high efficient process method of a steep lead tread of coupling screw and studies the profile accuracy by using electronic computer and arrives at the profile error curve.

This paper mainly introduces anti microbe fibers and the processing methods of anti microbe fibers.

While renewing wicket gates for a turbine Type HLA41-LJ-190 at Xierhe RiverⅠHydropower Station,it was successfully to complete the aperture processing of connecting pins between wicket gates and crutches.

And the processing method of the Surface pattern of the blade hasalso been determined.

After researching bamboo processing character,8 kinds of basic processing methods was analyzed.

The categories,processing methods,construction,characters,application and products of bamboo fiber were introduced,and the development foreground of the products made by bamboo textile was predicted.

This paper briefly introduces the resources of the Mesona Blume in China, determines economic character, main chemical and nutritious compositions, firstly reports the result of determination of the amino acid in Mesona Blum , expounds available merit and several processing methods, at last prospects the merit of the Mesona Blum.

The article mainly discusses the development of its machining method and basic technology,and raises some problems in the aspect.

A machining method of the Archimedes right helicoids with bigger outer diameter, distance of inner and outer diameter and lead has been put forward by analysis of the enveloping surface equations of the cylindrical face group.

This paper introduces high efficiency machining methods on E type screw bolt (multiple) and selecting tool,presents detailed main parameter and selecting principle of tool.