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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催化作用下与无水乙醇反了异龙脑基乙

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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.

在磷介质中,根对溴钾氧化茜素红的褪色反具有较强的催化作用,据此建立了催化光度法测定痕量根的新方法。

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

其中包括云散播——物质放入云中,通过催化作用产生降雨。

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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.

它在南非起到了催化作用,但杯口和间存在很大的差距, 我们必须看看这是否真的会加速转变。

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