通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds.
原油中存在不饱和链状化合物及其高的CPI值和甾烯醇都说明原油具有低的成熟度。
The existence of abundant unsaturated liner compounds and stenols as well as high CPI values of liner compounds shows the low maturity of the crude oils.
近期进展是利用手性辅助试剂， 不对称合成链状和环状的1，4-二羰基化合物。
Recent developments making use of chiral auxiliaries have put forward the versatility of procedure for the asymmetric synthesis of linear and cyclic 1,4-dicarbonyl compounds.
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