Up to 96 % ee was achieved with 4 - nitro - chalcone as enone substrate.以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.Chalcone synthase ( CHS ) gene is the key gene during the pathway of synthesizing anthocyanidin.查尔酮合成 酶 基因(Chalcone...
How does a suicide attempter eat differently from others ? Comparison of macronutrient intakes.有自杀倾向的人是不是在膳食构成上也有不同?Supplying calcium may reduce blood pressure in people of low calcium intakes.低钙膳食者,补钙有助于降低血压.The Tornado...
He's been a professional musician for years, gigging all over the country.他数年来都是职业音乐人, 在全国各地演出.I owe my success as a gigging musician, however an expat.我将自己能成为一名乐手──不管能做到什么地步──归功于背井离乡....ten years of gigging in bars...
涡轮力矩相当高的 馈 气套简应予退回,或许还得重新加工.Air - feeding sleeves with considerably higher turbine torques are rejected and probably reworked.静态平衡意味着力和力矩都处于平衡.Statical equilibrium means that both forces and moments are in balance.这种变化产生...
The economy of the times made it difficult to support centralized rule.当时的经济状况不利于实行集权统治。The requirements of cooperative and centralized systems make the acceptance of standards of vital importance.对合作化和集中化系统的要求使接受标准化变得非常...