Analysis of water content and pH in ovipositing incision of the Asian longhorned beetles,Anoplophora glabripennis;

The analysis of factors effecting the distribution of oviposition scars was made with field observation and partial correlation analysis.

Related factors on natural spawning rate of Channel Catfish were been studied,including natural spawning in different parent fish ages,stocking densities,spawning tank type,feed type,local climatic and pond sediment type.

An EDM groove machine was used to do some experiments for testing an orthogonal array of.

Two symmetric trough lines must be grooved on the rock wall to realize a diretional rupture according to the stress concentration, and so a pneumatic down-the-hole groover was developed and manufactured.

So,it is significant for improving the traffic safety to present reasonable groove parameters through analyzing and investigating the groove status at home and abroad.

This paper bring forward an experimental method used in testing light weapon pill rotate speed based upon weapon pill and weapon bottom carved slot technology.

With the characteristics of small arms,such as small volume,swift velocity and long route,the bottom carved slot technology of small arms,and RCS,flight stability and measuring accuracy of projectiles were analyzed.