Lutein is dihydroxy - carotenoids with the ionone ring systems distributed widely in nature.叶黄素是含紫罗酮环的二 羟基 类胡萝卜素,在自然界广泛存在.Lutein and zeaxanthin are both dihydroxy - carotenoids with the ionone ring systems distributed wi...
Ambitious attempts to improve interlaminar shear strength have been made by Mueller Prosen and by Keogh.米勒·普罗森还有基奥都对提高层间切变强度作了大胆的尝试.Indirect Methods: To measure the interface bond strength include the interlaminar shear ...
马克思回信给恩格斯说,他的赞誉对自己的鼓励很大.Marx wrote back to say that Engels'praise had greatly encouraged him.马克思和恩格斯科学地预言了资本主义的灭亡.Marx and Engels scientifically forecast the collapse of capitalism.恩格斯懂好几门外国语, 例如英语 、 法语和意大利语.Engels ...
She spoke very slowly, weighing what she would say.她讲话时斟酌再三，说得非常慢。There are many factors weighing against the meeting happening.有好多因素影响了会议的召开。He is weighing the possibility of filing criminal charges against the doctor.他...