The front cover artwork is provided by the Flow (Photo) Chemistry Group at Fraunhofer IMM. For this cover image we were inspired by the Borg, a technology‐driven species from the TV series “Star Trek”. The image shows our falling‐film microreactor as a Borg cube in space that assimilates glassware from a batch process. It illustrates the transfer from batch to continuous flow mode. Read the full text of the Review at 10.1002/cptc.201900247.

中文翻译：

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流动光化学反应器技术概念

封面图稿由Fraunhofer IMM的Flow（Photo）Chemistry Group提供。对于这张封面图片，我们的灵感来自电视连续剧《星际迷航》中由技术驱动的博格（Borg）。该图显示了我们的降膜微反应器，它是空间中的博格立方体，可以吸收批处理过程中的玻璃器皿。它说明了从批处理模式到连续流模式的转换。阅读《评论》全文10.1002 / cptc.201900247。