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

正、代酸钠和溴代正丁烷原料,合成了正正丁醇缩。

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

目的建立一种精神病人呼出气中丁烷的检测方法,用诊断精神病患者。

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。

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

以正庚醛、硫硫酸钠正丁烷为原料,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气中丁烷的检测方法,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的甲烷、乙烷、丁烷戊烷。

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,正丁烷脱催化剂可以分为两类,过渡金属双功能催化剂过渡金属氮化物、碳化物碳氧化物催化剂。

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

醛、硫代硫酸钠和溴代丁烷原料,合成了醛丁硫醇缩醛。

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

目的建立一种精神病人呼出气中丁烷的检测方法,用诊断精神病患者。

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,丁烷脱氢异构催化剂可分,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。

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

以正庚醛、代酸钠和溴代正烷为原料,合成了正庚醛正缩醛。

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

目的建立一种精神病人呼出气中烷的检测方法,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的甲烷、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来,脱烷压力一直不稳定。

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。

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

正庚醛、酸钠和溴正丁烷为原料,合成了正庚醛正丁醇缩醛。

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

目的建立一种精神病人呼出气中丁烷的检测方法,用诊断精神病患者。

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分为两类,过渡金属双功能催化和过渡金属氮化物、碳化物和碳氧化物催化。

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

以庚醛、硫代硫酸钠和溴代丁烷为原料,合庚醛丁硫醇缩醛。

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

目的建立一种精神病人呼出气中丁烷的检测方法,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,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。

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

以正庚醛、硫硫酸钠正丁烷为原料,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气中丁烷的检测方法,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的甲烷、乙烷、丁烷戊烷。

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,正丁烷脱催化剂可以分为两类,过渡金属双功能催化剂过渡金属氮化物、碳化物碳氧化物催化剂。

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。

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

以正庚醛、硫代硫酸钠溴代正为原料,合成了正庚醛正硫醇缩醛。

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

目建立一种精神病人呼出气中检测方法,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、乙、。

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,正脱氢构催化剂可以分为两类,过渡金属双功能催化剂过渡金属氮化物、碳化物碳氧化物催化剂。