乙炔

Thestability to air and the thermostability of the composite film were better than that of thepure polyacetylene film.

结构分析结果表明，在复合膜中碳纤维和聚乙炔形成了一定程度的接枝，其空气和热稳定性均高于纯PA膜。

A self-assembled monolayer film of tolane was fabricated in aqueous solution by using silane coupling agent.

用硅烷偶联剂3-氨丙基－三乙氧基硅烷，通过自组装反应在石英基板表面制备了含有二苯乙炔基的自组装单层膜。

Attempts to use the same reaction conditions for the coupling of the remaining terminal acetylene unit of the resulting rod 15 to 1,3,5-triiodobenzene15 in triethylamine were initially unsuccessful.

尝试使用相同的反应条件耦合其余终端乙炔股造成15杆，以1，3，5 triiodobenzene15在三乙胺最初是不成功的。

The hydrogen-transfer reaction of HC≡CF→C=H was taken as an example to calculate the microcanonical unimolecular rate constants with consideration of the tunneling correction and the curvature correction and the selection of the rotation states.

以氟代乙炔的氢迁移反应为例，计算了隧道效应、曲率因子和转动选态对微正则系综单分子反应速率常数的影响。

Of various biaryl alkynes under mild condition by an easy-to-handle complex 4 in unpurified solvents of regent grade quality.

此反应可将两当量的DMAD分子和一当量各式各样双芳香环取代的乙炔分子在空气下进行一个环化反应，并且可使用未经纯化过的试药级溶剂。

On NaZSM-5, acetylene reacts with the water adsorbed on Na^＋ sites to form vinyl alcohol bound to the cations in zeolite through static attraction, corresponding to the weakly adsorbed species.

乙炔与HZSM-5中B酸中心上的水作用形成乙烯醇，后者在升温时变为碳正离子结合在分子筛的Al-O^--Si上构成强吸附物种。

The application of the wearproof surfacing welding technology with the tungsten-carbide rod melted by oxygen-acetylene flame to dies' surface reinforcement was introduced.

介绍了碳化钨条氧—乙炔火焰耐磨堆焊技术在模具表面强化中应用的工艺方法，同时提出了普通碳钢+焊接表面强化部分代替模具钢的方法，该方法在生产实践中取得了满意的效果。

On this basis, three soluble poly derivatives with asymmetric alkoxyl substituents copolymers were synthesized by copolymerization with different PPV derivatives. The luminescence characteristic and thermal performance of three copolymers were improved by copolymerization.

在此基础上，采用共聚的方法，将具有不同结构的PPV衍生物分子进行共聚，合成了三种可溶性不对称烷氧基取代聚对苯乙炔共聚物，从而改善了材料的热性能和光致发光特性。

In order to improve the luminescence and thermal performance of asymmetric ROPPVs, a series of poly derivatives with asymmetric alkoxyl substituents/ nanometer semiconductor composites were synthesized through dehydrochlorination in-situ polymerization.

为了进一步改善不对称ROPPVs的发光性能和热性能，首次采用原位脱氯化氢缩合聚合法，合成出一系列不对称烷氧基取代聚对(来源：9bab9bABC论文网www.abclunwen.com)苯乙炔衍生物／纳米半导体复合材料。

Allene is an isomer of methyl acetylene.

丙二烯是甲基乙炔的一种异构体。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。