The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.EPDM is a terpolymer elastomer made from ethylene - propylene diene monomer.epdm是一种由乙烯 - 丙烯、二烯单聚物构成的三元共聚物弹性材料.The...
For more than 400 years, we were a colonized people.我们经受过400多年的殖民统治。The area was then colonized by scrub.后来这块地灌木丛生。The area was colonized by the Vikings.这一地区曾沦为维京人的殖民地。The plains of North America are colonized by rodents...