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A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.
以双酚a，甲醛水溶液为原料，在碱性催化剂的作用下，合成双酚a型甲阶酚醛树脂。
Presents the basic principle, technical features and catalyst of no on line furnace sulfur recovery process.
介绍了无在线炉硫回收工艺的基本原理、技术特点和催化剂使用情况。
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