“低碳烯烃生产工艺”的概念、定义、翻译、参考文献-科学参考

单词	低碳烯烃生产工艺
释义	低碳烯烃生产工艺 Encyclopedia 工学低碳烯烃生产工艺释 production process of light olefins低碳烯烃生产工艺生产低碳烯烃的工艺技术。低碳烯烃也称作低级烯烃，主要指乙烯、丙烯和丁烯，有时也包括丁二烯。低碳烯烃是重要的基本有机原料，也是石油化工的龙头产品。随着现代化学工业的发展，对低碳烯烃的需求日渐攀升。
随便看	variance analysis of two-way data variance-balanced block design variance between classes variance between clusters variance between laboratories variance component variance component model variance component models variance-covariance analysis variance-covariance component estimation variance-covariance matrix variance-covariance propagation law variance estimation variance functon variance inflation factor variance matrix variance of an estimator variance of a probability distribution variance of a random variable variance of unit weight variance per unit weight variance ratio variance ratio test variance reduction Variance-sociolinguistics（Variation socialinguistics, Variationist socialinguistics）

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