Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.Most people's faces are asymmetric.大多数人的脸不对称。There are two DesB 1 - DPI moleCUles in an as...
Most people's faces are asymmetric.大多数人的脸不对称。We have made no reference to asymmetric carbon atoms.我们未曾涉及不对称碳原子.Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不...
He has found that smoke and toxic gases can be transported swiftly up through the atrium.他发现烟和毒害性气体可通过中庭迅速向上传播.From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室....
不要等待好事降临，你要向幸福进发。Do not wait for good things to happen to you. You need to walk towards happiness.最幸福的人们并不一定什么都是最好，只是他们懂得欣赏生活的美好。The happiest are not those who own all the best things, but those who can appreciate the be...
我们从事过热核能 、 激光束折射, 氛分子发展和电脑重水数据的研究工作.We did work in thermonuclear energy, laser beam refraction, hydrogen molecule development, and heavy - water computer data.重水在化学成分上与普通水是一样的.Heavy water is chemically the same as regula...
在减肥过程中保持饮食的营养相对均衡是明智的。It makes sense to eat a reasonably balanced diet when slimming.飞行员明智地决定尽快返回法恩伯勒。The pilot wisely decided to return to Farnborough post haste.既然对你起作用，这就是个明智的决定。This was a good decision inasmuch as it...