For the different part of Tripterygium wilfordii obtained in summer,the content range of triptolide in its given order was whole root,root bark,debark root,stem and leaves respectively.
The results show the relative importance of factors, from most significant to least significant: foam material, metallostatic head, the permeability of the coating, pouring temperature.
A new method of processing candied jujube,except washing process and detaching nucleus process the three step are vacuum critical cryodrying,vacuum infusing sugar and vacuum dehydration in sequence.
There is an obvious rock zonation from the middle to bothsides of the structural shatter zone, generally from marialite orebody through diopside-felsite,biotite-albitite to the host Proterozoic rocks.
Results The rate of micronucleus and chromosome aberratio n of vicia faba root tip cell in turn were the productive waste water,the tr eated water and the productive w...
Except the use of time relay to control the pressure maintaining and cooling, the rest all takes a route switch to control the ordinal operation and speed changes for each hydrocylinder.