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- Introduction to the Alkyne Triple Bond. 炔烃三键介绍。
- To become reduced to carbon or charcoal. 使烧成炭，使烧成木炭
- The carbon14 atoms oxidize to carbon dioxide which gets blown about and mixed up with lower atmosphere. 碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。
- The triple bond does not usually react so vigorously at a carbon-carbon double bond. 三键在反应时一般不象烯烃中的碳-碳双键那样剧烈。
- Any of a series of open-chain hydrocarbons with a carbon-carbon triple bond and the general formula CnH2n-2. 炔，炔烃，链炔有碳碳三链的一系列开链烃中的任一种，其分子式为CnH2n－2。
- The last step is the oxidation reaction that converts the alkyne triple bond to carboxylic acid group. 通过对五种醛和三种末端炔进行的条件筛选，确立了通用合成方法。
- When the retention indices of n-alkynes were plotted with the positions of the triple bond in the molecule, it can be seen that the curve is also approximately an exponen... 解决了从低碳数直链单炔烃保留指数预测高碳数直链单炔烃保留指数问题。
- Alkynes have one or more triple bonds, the carbon atoms sharing three pairs of electrons. 链炔有一个或超过三个共价键，即碳原子享有三对电子。
- Compounds such as methane can be cleaved to carbon and hydrogen. 象甲烷这样的化合物能分解为碳和氢。
- Objective:Discussion activated carbon to monkshood class alkaloid adsorption. 目的:探讨活性碳对乌头类生物碱的吸附作用。
- Just wondering if the TIG Carbon blade uses the real carbon to make? 有个疑惑TIG碳桨系唔系用真碳制造?
- These atoms can remove or abstract a hydrogen atom which is attached to carbon. 这些原子也可以除去或摘取结合在碳原子上的一个氢原子。
- Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
- The concept of hybridization is useful also for molecules with double and triple bonds. 混成的概念同样可以用在双键和三键的分子。
- The carbon 14 atoms oxidize to carbon dioxide which gets blown about and mixed up with lower atmosphere. 碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。
- How much do all these figures stack up to? 这些数字的总和是多少？
- The latter studies also implied that exposure to carbon monoxide altered time discrimination and estimation. 研究还指出，对一氧化碳的暴露，改变了对时间的区别和估计。
- You can do it this way if you care to. 如果你乐意的话，可以这样做。
- None of the forms of carbon dissolve in ordinary solvents,although melted iron does dissolve carbon to a certain extent. 任何状态的碳都不溶于普通溶剂，但确能在一家程度上溶于铁水。
- He beckoned to me from across the street. 他在马路对面向我招手致意。
