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潜在危险性,并提出在正常生产预防措施。

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渗碳单气淬真空炉,双及多真空炉。

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分装置具有的险性,并提出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炉,双室及多室真炉。

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。

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。

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

设计并合成了型末端基取代含氟苯乙炔液晶。

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

论述了乙烯基醚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.

乙炔与蒽环加成反应合成了11,12--9,10-氢-9,10-亚乙烯基蒽(4),4分子4自身加成聚合制备了种全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.

论述乙烯基醚类化合物的三种主要制备方法乙炔法、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。

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类液晶。

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

论述了烯基醚类化合物的三种主要制备法法、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.

简要介绍了实施渗碳的单室高气淬真空炉,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.

二氰与蒽环加成反应合成了11,12-二氰-9,10-二氢-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法合成了二苯类液晶化合物。

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装置具有危险性,并提出正常生产预防措施。

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单室高压气淬真炉,双室及多室真炉。

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),44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.

论述乙烯基醚类化合物的三种主要方法乙炔法、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二苯乙炔类液晶化合物。