The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产体有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

岩比纯岩所产气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质中、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有介质中、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质中、碱催化下的化缩反应,是苯乙烯(烷)类化物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥纯所产气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质中、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的、乙、异丁和异戊。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基有机溶剂介质中、碱催化下的化缩合反应,是合成二乙烯()类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环乙烷与二元醇的分离方法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰比纯灰所气体中含有更多的甲烷、乙烷、异丁烷和异戊烷。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲烷在有机溶剂介质中、碱催化下的化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环与二元醇的分法和条件。

There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.

泥灰岩比纯灰岩所产气体中含有更多的甲、、异丁和异戊。

The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.

芳基甲在有机溶剂介质中、碱催化下的化缩合反应,是合成二苯烯()类化合物的重要途径.