以下为句子列表：
英文: What are the photochemical consequences of long-lived states?
中文: 长时间存在的能量状态会造成什么光化学影响？
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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: 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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英文: In present paper, the discovery of vitamin D and their syntheses by using photochemical reaction were introduced and reviewed.
中文: 摘要本文报道了维生素D的发现以及它们的光化学合成与进展。
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英文: Photochemistry: Study the interaction between small molecules and radiation. Measure the absolute photoabsorption and photoionization crosss sections, identify photochemical products, and elucidate energy evolution. Application: combustion chemistry and a
中文: 一)光化学:研究光与小分子的作用.测量绝对光吸收及光游离的截面积值,验明光化学产物为何,以了解光化学反应的能量走向.应用:燃烧化学及大气化学.
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