1) acetylene-free ethylene
无乙炔乙烯
2) vinylacetylene
[,vinilə'setili:n]
乙烯基乙炔
1.
The bimetallic Pd-D/Al_2O_3(D was(ⅥA) group element in pexiodic chart) selective hydrogenation catalyst for removing vinylacetylene(VAC) in cracked C_4 mixture was prepared by adopting fractional dip-molding and carring active constituent PdCl_2 and assistant D onto Al_2O_3.
0 h-1,H2/乙烯基乙炔(VAC,摩尔比)1。
2.
After hydrogenation both ethylacetylene and vinylacetylene contents are reduced to below 1 0×10 -5 ,and 1,3 butadiene loss does not exceed 3
结果表明，Ｐｄ－Ｐｂ／Ａｌ２Ｏ３催化剂在一定工艺条件下可以将碳四馏份中的乙基乙炔和乙烯基乙炔分别除至１。
3.
AM1 Studies of Two Pathways of Vinylacetylene React with Nitric Oxide;
利用半经验AM1方法，研究了乙烯基乙炔与一氧化氮反应生成丙炔腈（反应1）和丙烯腈（反应2）的两条竞争反应途径。
3) vinyl acetylene
乙烯基乙炔
1.
Results showed that the catalyst can cut down the content of vinyl acetylene in C 4 fraction to less than 1 ppm with 1,3 butadiene loss of less than 0 5% and catalyst life of 500 h.
结果表明 ,该催化剂能将 C4 馏份中的乙烯基乙炔降至 1ppm以下 ,同时 ,1 ,3-丁二烯的损失低于 0 。
2.
The plant decreased the consumptions of materials and powers and the content of vinyl acetylene in butadiene was below 7×10-6.
改造后的装置能耗下降，丁二烯成品中的乙烯基乙炔含量可稳定在７×１０－６。
4) Acetylene(ethylene,ethane)
乙炔(乙烯,乙烷)
5) 1-Ethynylcyclohexene
环己烯乙炔
1.
Asymmetric Addition of 1-Ethynylcyclohexene to Ketones Catalyzed by a Chiral C_2-Camphorsulfonamide Ligand;
C_2轴对称樟脑磺酰胺基醇配体催化环己烯乙炔对酮的不对称加成反应
2.
Study on the Catalytic Asymmetric Addition of 1-ethynylcyclohexene to Ketones Using a Chiral C_2-camphorsulfonamide Ligand;
C_2轴对称樟脑磺酰胺基醇配体催化环己烯乙炔对酮的不对称加成反应研究
6) ethylene (C_2H_4) and acetylide (CCH)
乙烯和乙炔基
1.
The favorite adsorption sites of ethylene (C_2H_4) and acetylide (CCH) on the Ni(110) surface are investigated by the theoretical calculation of the pseudo_potential plane_wave method.
采用平面波赝势方法,利用基于从头计算的软件包,对乙烯和乙炔基在Ni(110)表面上吸附的问题进行了计算。
补充资料：对苯乙炔-噻吩乙炔共聚物
分子式：
CAS号：
性质：为苯乙炔与噻吩的共聚型导电聚合物。电导率在3.5×10-7S/cm左右，比相应的苯乙炔型聚合物电导率高几个数量级。这种导电聚合物的最大吸收波长在455nm附近。制备方法多通过对苯二醛，或者噻吩2,5-二醛与噻吩或苯的双Wittig盐试剂进行偶合反应得到。或者通过对二甲苯与2,5-二甲酰基噻吩的缩合反应制备。
CAS号：
性质：为苯乙炔与噻吩的共聚型导电聚合物。电导率在3.5×10-7S/cm左右，比相应的苯乙炔型聚合物电导率高几个数量级。这种导电聚合物的最大吸收波长在455nm附近。制备方法多通过对苯二醛，或者噻吩2,5-二醛与噻吩或苯的双Wittig盐试剂进行偶合反应得到。或者通过对二甲苯与2,5-二甲酰基噻吩的缩合反应制备。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条