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- a quaternary carbon atom 季碳原子
- quaternary carbon atom 季碳原子
- Every carbon atom has four bonds. 每个碳原子的价键为四。
- The compound of above of 10 carbon atom calls polysaccharide. 10个碳原子以上的化合物叫多糖。
- Now we are among the two innermost electrons of the carbon atom. 现在，我们处于碳原子最里面的两个电子之间。
- Moreover, there is a chiral quaternary carbon in the1-hydroxyethylidenediphosphonic (hedp) ligand. 证实1-羟基乙叉-1,1-二膦酸配体(hedp)中的季碳为手性碳原子。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- These ligands were found to be very effective in construction of quaternary carbon centers by using asymmetric allylic alkylation. 这类配体在前手性亲核试剂的不对称烯丙基化构筑手性季碳中心的反应中，显示了较好的反应活性及对映选择性。
- At the end of the series of reactions each carbon atom is recovered. 在反应的最后每个碳原子都可以回收。
- Having a carbon atom attached solely to one other carbon atom in a molecule. 一代的分子一个碳原子点和另外一个碳原子相连的。
- A polymer in which the repeating unit contains two carbon atoms linked by an oxygen atom. 聚醚一种聚合物，其中重复性的单位含有由一个氧原子连结的两个碳原子
- Carbohydrates contain choral carbon atoms. 碳水化合物含有手性碳原子
- Carbon atoms provide the backbone of living matter. 碳原子提供了生命物质的骨架。
- These carbon atoms are therefore chiral. 因此,这个碳原子称手性碳原子。
- Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom. 碳原子的四个价电子都各与氢原子的一个价电子共用。
- The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group. 该染料的甲川链上的中位碳原子与氨基的氮原子相连。
- IR ananlysis shows that graft copolyxnerization took place on the tertiary carbon atom of PP molecular chain. 红外光谱分析表明，丙烯酸接枝在聚丙烯大分子链的叔碳原子上。
- First, carbon monoxide and hydrogen react to form methane, which has one carbon atom. 首先，一氧化碳与氢反应，合成只含一个碳原子的甲烷。
- The first position from a designated carbon atom in an organic molecule at which an atom or radical may be substituted. 第一位有机分子中离特定碳。
- Ketohexose A ketose SUGAR with six carbon atoms, e.g. fructose. 己酮糖：一种六碳的酮糖。例如果糖。
