领导权
发表于 2025-3-28 15:03:54
Distillation,en, the vapour from the boiling liquids must differ in composition from the original liquid composition. Indeed, the basic study in distillation is the prediction of vapour compositions derived from specified liquid mixtures; in other words, liquid-vapour equilibrium.
constitutional
发表于 2025-3-28 21:41:46
http://reply.papertrans.cn/17/1601/160035/160035_42.png
Abutment
发表于 2025-3-28 23:23:27
http://reply.papertrans.cn/17/1601/160035/160035_43.png
预知
发表于 2025-3-29 05:24:37
Spectroscopic Methods of Analysis, on the other. A spectrum is essentially a plot of the intensity of radiation absorbed or emitted against some property such as frequency that characterises the radiation. A typical spectrum consists of a series of peaks (often referred to as . or .) representing intense absorption or emission, sepa
思考才皱眉
发表于 2025-3-29 11:02:49
http://reply.papertrans.cn/17/1601/160035/160035_45.png