研究N - 乙酰氨基葡萄糖在水溶液中的变旋行为.To mutarotation of N - acetylglucosamine in water was studied specific rotation.为存在变旋行为的糖及糖苷类化合物的研究提供了准确可行的方法.The study has provided available and reliable method for the mutarotation of water....
There are significant parallels with the 1980s.与20世纪80年代有明显相似之处。The street parallels the railway.这条街与铁路平行.These parallels cannot be merely coincidental.这些相似之处不可能只是巧合....
Titanium in the pure state can exist in either of two allotropic forms.纯钛以两种同素异形的形式存在.Carbon and sulfur and phosphorus are allotropic elements.碳、硫磺和磷是同素异形元素.Ozone ( O 3 ) is allotropic form of oxygen ( O 2 ) with three a...
Not everyone is born with such endowments as you.并非所有的人生来都像你这样有天赋.His endowments are limited, and scarcely fit him for this post.他的天资有限, 不太适合担任这项职务.Can you possibly compare with my endowments?你能跟我比本事 吗 ?...
他通过邮递员发出订单。He sent the order by messenger.邮递员跑开了,狗在身后紧追着要咬他.The postman ran away with the dog nipping at his heel.那个邮递员为他误投邮件的事辩解.The postman argued away his misdelivery of the mail....