以下为句子列表：
英文: Results: Exposureto hydrazine was positively associated with lung cancer incidence (estimated rate ratio for high vs low exposurewith 20-year lag = 2.5; 95% confidence interval = 1.3-4.9) and with colorectal cancer incidence (2.2; 1.0-4.6).
中文: 结果：联氨暴露与肺癌发生率(高暴露对低暴露在20年后估计的率比为2.5；95%信赖区间为1.3-4.9)及直肠癌发生率(率比为2.2;95%信赖区间为1.0-4.6)呈正相关，而且联氨暴露与肺癌、直肠癌发生率皆有剂量反应关系。
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英文: Table 3 shows the change in the chemical composition of the process solution after 10 vol.% of hydrazine is added at the end of the fourth cycle.
中文: 表3显示在第四个周期的最后，加入容积百分之10的氮化物，则其过程溶液中的化学成份会改变。
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英文: The impact flash may have been caused by the thermal emission from the impact itself or by the release of spacecraft volatiles, such as the small amount of hydrazine fuel remaining on board.
中文: 撞击的闪光可能来自撞击本身产生的热喷发，也可能是飞船上的挥发物，如剩余的少量肼燃料。
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英文: The review discusses many ways of preparing hydrazine through hydrolysis of Azine, and the effects of catalyst to yield of hydrazine by hydrolyzing azine.
中文: 摘要文中讨论了酮连氮水解制备肼的各种方法及催化剂对酮连氮水解和肼收率的影响。
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英文: Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation.
中文: 摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料，通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。
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