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...
Two good shots, remittent, drawing wool collects deep feeling.两根棒针,上上下下, 牵引毛线汇成深情.There are three types, intermittent fever, remittent fever and relapsing fever.护士:有三种.即:间歇热 、 弛张热和回归热.N: There are three types, intermitte...
He gave me an approving nod.他向我点头表示同意。Expertise in making checking approving piping drawings like isometrics layouts support drawings etc.具有制作审查和批准管道制图的专业知识如等距图规划图和附图等.Procedures for approving and issuing work authorizat...
他们要求发展扩张性的经济以应对升高的失业率。They demanded a more expansionary economy to combat rising unemployment.对抗不断升高的通货膨胀the fight against rising inflation这类头痛多是血压升高的征兆。These headaches were most suggestive of raised blood pressure....
You are so busted!你被当场逮住了！It was money troubles that busted up their marriage.是金钱纠纷使他们的婚姻破裂了.He was busted ( to corporal ) for being absent without leave.他因擅离职守而被降级 ( 为下士 )....
生活总是让我们遍体鳞伤，但到后来，那些受伤的地方会变得更坚强。The world breaks everyone, and afterward, many are stronger at the broken places.比失败更令人恐惧的是懊悔。Failure is never quite so frightening as regret do.努力过，失败过，没关系，屡战屡败，屡败屡战，每一次失败都比上一次更好。Ever trie...
The British are not famed for their philosophy and tend to be more practically minded.英国人不是以其哲学思想闻名，而是往往更注重实际。It is proved practically that chemical grouting can do with it.由于翻浆冒泥造成基床的软化和道碴板结引起道床整体弹性的降低,直接影响列车安全运营.Practi...