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Chemical decomposition induced by light or other radiant energy.
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光分解，光解作用由光或其它光源引起的化学分解 |
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Chemical dependency can result from many things: alcohol, caffeine , illegal drugs like cocaine , legal drugs like pain killer s.
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很多东西会导致化学依耐性的产生：酒精、咖啡因、非法药品，如可卡因，合法药品，如止痛片。 |
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Chemical dependency can result from many things: alcohol, caffeine, illegal drugs like cocaine, legal drugs like pain killers.
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许多东西包括酒精，咖啡因，类似可卡因的非法药物及类似止痛片的合法药物都会招致药物依赖。 |
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Chemical engineering encompasses its conceptual origins in Great Britain,subsequent struggle for survival in the United States,and concludes with a cornucopia of contributions made in this century.
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中文：化学工程的概念起源于英国，继而在美国开始立足发展，最后在本世纪成为一门有重大贡献的学科。 |
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Chemical fertilization , fro example , helps to produce better crops , but is harmful to the environment .
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例如，化学施肥有助于提高粮食产量，但对环境有害。 |
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Chemical fiber yarn includes pure polyester yarn, pure polyester sewing thread, acrylic yarn, and others.
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化纤纱线有纯涤纶纱、纯涤纶纱缝纫线、晴纶纱等。 |
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Chemical fossils (e.g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age.
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化学化石（烷烃和卟啉）是前寒武纪地层中生命存在的唯一证据。 |
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Chemical fossils Particularly resistant organic chemicals present in geological strata that are thought to indicate the existence of life in the period when the rocks were formed.
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化学化石：残存于地质地层中的有机化学物质，当这样的地层被发现时，可以预测出那个地层形成时期的生命活动现象。 |
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Chemical industry is the backbone estate of Daoxu town, chemical industry is 70 percent of all the town's economic aggregate.
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道墟镇是浙东著名的工业强镇，目前全镇共有企业412家，总净资产达到了9.3亿以上。 |
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Chemical industry: sodium carbonate (the production of hydrochloric acid, hypo-fluoric acid and secondary chemicals); the production of fluoride and chemical fertilizers; circulation of reaction liquid in gas absorption tower; grease extraction (sulfuric
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化学工业：碳酸钠化工业（盐酸、次氟酸、二次化学品的生产）；氟化物、化学肥料的生产；气体吸收塔反应液体循环；油脂提炼（硫酸）；废酸类的回收及再生系统；化工厂和运输车辆间的强酸类输送。 |
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Chemical lab experience is necessary.
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有化学实验室工作经验。 |
