以下为句子列表：
英文: A chemical reaction occurs so that the interference pattern, or hologram, is permanently recorded into the medium.
中文: 一个化学反应随即产生，参考图样（全息图）这样就可以永久性地被记录到感光介质之中。
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英文: A new process for synthesis of 7-DHC based on cholesterol and the innovation technology for synthesis of vitamin D3 by photochemical reaction have been developed by the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences, and t
中文: 中国科学院理化技术研究所开发了一条从胆固醇合成7-DHC的新路线，提出了一条光化学合成维生素D3的创新技术路线，并已经转让实施。
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英文: A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body; a biochemical catalyst.
中文: 生物催化剂能在活的体内产生化学反应或改变生物体内化学反应速度的物质，尤指酶；生物化学催化剂
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英文: Abstract: From the viewpoint of safety technology of chemical reaction with heat release.the technical causes of getting out of control of these reactors are analyzed.Hazardous effects of the leakage of chemical reactants both on human and environment,and
中文: 文摘:从放热化学反应的安全技术观点出发，分析了放热化学反应器失控的技术原因、化学反应物泄漏对人员和环境造成的危害、现有安全技术措施存在的问题；介绍了基于射流原理的喷射汽化和非汽化冷却液体的直接冷却方法；还展望了化学反应器安全技术的发展方向。
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英文: An innovative process for synthesizing vitamin D2 by photochemical reaction is also put forward.
中文: 同时还提出一条光化学合成维生素D2的创新技术路线。
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