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Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作下与无水乙醇反应生成了异龙脑基乙

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Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed.

在磷酸介质中,硫氰酸根对溴酸钾氧化茜素红的褪色反应具有较强的催化作建立了催化光度法测定痕量硫氰酸根的新方法。

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This process involves cloud seeding – when various substances are put into clouds in an attempt to cause rain.

其中包括云种散播——将多种物质放入云中,通过催化作用

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It is catalysing something in South Africa, but there is a big slip between cup and lip and we'll have to see whether this really does accelerate the transition.

南非起到了催化作用,但杯口和嘴唇之间存很大的差距, 我们必须看看这是否真的会加速转变。

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