The crude drug of Liuwei Dihuang was pulverized to nano particles to improve its bioavailability. The appropriate technique parameters were studied. Paeonol, typical marker of Liuwei Dihuang , was extracted with organ...
the National Natural Science Foundation of China(No.59925207);the State Key Lab-oratory of New Nonferrous Metal Materials,Gansu University of Technology(No.2004016)for their financial support to this work.
Titanium diboride based composites, good candidates for contact materials, have high hardness, Young's modulus, high temperature stability, and excellent electrical, thermal conductivity. However a good interface of ...
This work was financially supported hy National Excellent Young Scientist Foundation of China ( No. 59925207) and Natural Science Foundation of China (No.59872024)
This paper studies the temperature distribution of BN, an insulating material, sintered in the Spark Plasma Sintering ( SPS) system. The temperature distributions of BN at different heating rates were measured , which...
Supported by National Excellent Young Scientist Fund (59925207)and National Natural Science Fundation(59802008)
It was reported that TiB2 gains grew fast during sintering was a main cause for its properties degrading. In this paper the HP-sintering mechanics of TiB2 was studied and the results show that grains grow very fast wh...