丁烷

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛。

Objective To establish a method of breath-butagas testing of mental patient.

目的建立一种精神病人呼出丁烷的检测方法,用以诊断精神病患。

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

岩比纯岩所产含有更多的甲烷、乙烷、异丁烷和异戊烷。

The operation pressure of debutanizer was unstable since a light hydrocarbon recovery unit had been put into use.

某轻烃回收装置自投用以来,脱丁烷塔操作压力一直不稳定。

The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。