Percy's enchant-ment with orchids dates back to 1951.珀西对兰花的痴迷可以回溯到1951年。Wild flowers such as orchids and primroses are becoming rare.兰花和报春花这类野花越来越稀少了.She breeds orchids in her greenhouse.她在温室里培育兰花....
And the L - Lys containsside chain ammonia , the protected product is Fmoc - L - Lys ( Boc ).含侧链氨基的L - 赖氨酸, 所合成的正交保护的L - 赖氨酸是 Fmoc -L-Lys ( Boc ).Eighteenamino acids ( Such as Val , Leu, Lys, etc. ), Vitamin C, Vitamin B...
当然，并不是所有的酗酒者和吸毒者都会生育出不正常的后代。Of course, not all alcoholics and drug abusers produce deviant offspring.这个想法中有某种不正常的、令人痴迷的东西。There's something morbidly fascinating about the thought.血糖值不正常abnormal levels of sugar in th...
共线性的影响是使回归系数不可靠.The effect of colinearity is to make the regression coefficients unreliable.目的探讨PLS回归理论在消除多元共线性中的作用.Objective To research the NIPALS regression in the function of eliminating collinearities.结果表明,这种方法改善了最小...