alkine

The effect of impurities in the propene on stability of the catalyst had been discussed. It was found that the stability of the catalyst were effected by various factors, especially by the trace amount of impurities like the H2O, CO and alkine.

本文讨论了杂质对催化剂稳定性的影响，发现丙烯原料中的微量H2O、CO、炔烃等是主要的有害杂质，能够使催化剂产生中毒。

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The alkine and K rich volcanic rocks, which are source rocks of zeolite ores, formed in middle late Yanshanian stage, with tectonic dynamic mechanism of compression and left lateral shearing.

燕山中晚期以挤压-剪切（左行）为主的构造动力学机制控制了富碱高钾火山岩的发育，为沸石矿源岩的形成期；

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In pickling method the rust and scales are removed by chemical reaction with mineral acids and also with certain alkine materials.

在酸洗方法中，锈蚀与氧化皮通过与矿物酸以及某些碱性物质之间产生的化学反应被清除。

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The pigments were stable in acidic and alkine media.

该色素在弱酸和弱碱条件下较稳定。

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Added antioxidants to the alkine hydrolysis system was able to reduce loss of ferulic acid caused by oxidation.

碱水解体系中添加抗氧化剂能减少阿魏酸的氧化破坏。

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