Objective:To observe the efficacy of MEBT in treating bromomethane freezing injury.
观察湿性医疗技术对
甲烷冻

疗效果。
Objective:To observe the efficacy of MEBT in treating bromomethane freezing injury.
观察湿性医疗技术对
甲烷冻

疗效果。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新
催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与
甲烷进行烷基交换反应合成三甲基铝(TMA)。
声明:以上例句、词性

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