The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚、硫代硫酸钠和溴代正
烷为原料,合成了正庚
正
硫醇缩
。
The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚、硫代硫酸钠和溴代正
烷为原料,合成了正庚
正
硫醇缩
。
Objective To establish a method of breath-butagas testing of mental patient.
建立一种精神病人呼出气中
烷
检测方法,用以诊断精神病患者。
There is more methane,ethane, isobutane and isopentane in shaly limestone than in marlite.
泥岩比纯
岩所产气体中含有更多
甲烷、乙烷、异
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,
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.
前,正
烷
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。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。