<正>The 10-kt/a-class demonstration unit for production of DMM3-8(polymethoxydimethyl ether),which has been independently developed by the Chenxin New Energy Co
Methyl 3-hydroxypropanoate was synthesized via hydroesterification of ethylene oxide with CO in the presence of dicobalt octacarbonyl catalyst and methanol solv
<正>Till October 9, 2012 the line A cyclohexanone unit of the 200 kt/a caprolactam project owned by the Baling Hengyi Caprolactam Company in Zhejiang province h
This paper simulated the ultraviolet aging process of asphalt and used dynamic mechanic analysis(DMA)method to evaluate the effect of ultraviolet aging on the a