正版现货新书油品应用工程专业英语 9787511401359 陈波水[等]编

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北京丰台

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作者陈波水[等]编

出版社中国石化出版社

ISBN9787511401359

出版时间2010-01

装帧平装

开本16开

定价28元

货号6171782

上书时间2024-10-07

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商品描述: 内容摘要
Generally, with catenation comes the loss of the total amount of bonded hydrocarbons and anincrease in the amount of energy required for bond cleavage due to strain exerted upon the m01e-cule; in molecules such as cyclohexane, this is referred to as ring strain, and 0ccurs due to thedestabilized spatial electron configuration of the atom.
　　In simple chemistry, as per valence bond theory, the carbon atom must follow the 4-hydrogenrule, which states that the maximum number of atoms available to bond with carbon is equal to thenumber of electrons that are attracted into the outer shell of carbon. In terms of shells, carbon con-sists of an incomplete outer shell, which comprises 4 electrons, and thus has 4 electrons availablefor covalent bonding.
　　Hydrocarbons are one of the Earths most important energy resources. Hydrocarbons are cur-rently the main source of the world s electric energy and heat sources because of the energ...