Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成一类新型末端氰基取代含氟二苯炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述基醚类化合物的三种主要制备方法炔法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述炔以碳氢化合物在空分装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍实施炔低压渗碳的单高压气淬真空炉,双真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

炔二氰与蒽环加成反应合成11,12-二氰-9,10-二氢-9,10-亚基蒽(4),4分子4自身加成聚合制备一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯炔为间体,采用为催化剂偶联的方法合成二苯炔类液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在空装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基(4),44自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一新型末端氰基取代含氟苯液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了烯基醚化合物的三种主要制备方法法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述以及碳氢化合物在空分装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

氰与蒽环加成反应合成了11,12-氰-9,10-氢-9,10-亚烯基蒽(4),4分子4自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯为间体,采用为催化剂偶联的方法合成了苯液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在空分有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分子4自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主制备方法乙炔法、脱卤化氢法醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在空分装置具有的潜在危险性,并提出在正常生产的预防措。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

介绍了实乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分子4自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并一类新型末端氰基取代含氟二苯炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述烯基醚类化物的三种主要制备方法炔法、脱卤化法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述炔以及碳化物在空分装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍实施炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

炔二氰与蒽环加反应11,12-二氰-9,10-二-9,10-烯基蒽(4),4分子4自身加聚制备一种全新凹型四氮杂口卜啉结构化物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯炔为间体,采用为催化剂偶联的方法二苯炔类液晶化物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在空装置具有的潜在危险性,并提出在正常生产的施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4子4自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一新型末端氰取代含氟二苯乙炔液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在分装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳的单室高压气淬真,室及多室真。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯蒽(4),4分子4自身加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧苯与烷苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔液晶化合物。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙炔以及碳氢化合物在空分装置具有的潜在危险性,并提出在正常生产的预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙炔低压渗碳的单室高压气淬真空炉,双室及多室真空炉。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分4加成聚合制备了一种全新凹型四氮杂口卜啉结构化合物。

Two kinds of polymerizable liquid crystal compounds have been prepared successfully in the paper, one is tolan-type liquid crystal compound, another is a phenylcyclohexanethyl liquid crystal compound.

以碘代烷氧基苯与烷基苯乙炔为间体,采用为催化剂偶联的方法合成了二苯乙炔类液晶化合物。