c6h6

It is pointed out that the gas flow rate of CHF3 / ( CHF3 + C6H6 ) is an important factor in the a-C : F thin film fabrication .

可见在a-C：F薄膜的制备中CHF3/（CHF3+C6H6）流量比是重要的控制参量。

The author elaborates a new synthetic method of reducing citral to nerol and geraniol by PTC catalytic reduction with sodium borohydride , in C6H6 / H2O mixture solvents , we discuss the effective factors of reduction and find out the optimum reaction conditions .

以水和苯作混合溶剂，以硼氢化钠作还原剂，采用相转移催化法还原柠檬醛合成橙花醇香叶醇，并对影响还原反应的各种因素进行研究，找出最佳工艺条件。

In this paper a control method is reported for H2 / C6H6 ratios in hydrogenation plant . In the hydrogenation process of benzene , hydrogen contents in tail gas can be auto - controlled with the DCS system , which is installed on the basis of the control method .

根据苯加氢生产工艺特点确定氢苯变比值控制方案，利用DCS系统实现苯加氢装置尾气中氢含量的自动控制。