单键，在化合物分子中两个原子间以共用一对电子而构成的共价键。通常用一条短线“-”表示。
单键
网络释义专业释义
(E)表示,这里s代表的是单键(single bond )的意思.通常s-顺比s-反稳定,但是二者的转化需要能量,s-反不容易反生diels-alder.
基于678个网页-相关网页
双语例句原声例句
-
我们来考虑一下如何划分单键、双键和三键。
Let's think about how we can classify single and double and triple bonds,.
-
如果来我们看一下单键，让我拿个分子。
So, if we take a look at what a single bond is, and let me grab some molecules here.
-
每行包含它所属订单的订单键。
-
OK, then it says draw a single bond from each surrounding atom to the central atom, and subtract two valence electrons.
后将中心原子与其相邻原子之间,连上单键，然后减掉2个价电子。
-
So if we look at its length, it's actually shorter than a single bond, but longer than a double bond.
因此如果我们看它的键长的话，它实际上比单键更短，却比双键更长。
-
so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.
因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。
应用推荐
$firstVoiceSent
- 来自原声例句