以下为句子列表：
英文: In the course of oxidation, reaction temperature should rise step by step, and in the late stage, reduced pressure distillation should follow so that the concertration of glyoxalic acid can rise and production rate of allantoin can rise up to 40%.
中文: 在氧化反应的过程中逐步地提高反应温度，反应后期进行减压浓缩，提高了乙醛酸的浓度，缩短了氧化时间，并使尿囊素産率达到40%。
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英文: Oxalic acid is always formed during the reaction.
中文: 在反应过程中，乙二酸总是会生成的。
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英文: The results showed that the reducing organic acid solution include oxalic acid which were generated in the reaction liquid caused the corrosion of the titanium pressure-relief valve, which mostly because the feed solution in the 1(superscript #) desulfuri
中文: 结果表明，由于二脱硫装置停用缓蚀剂后排出的废水混入一脱硫装置的原料液中，进而使反应液中形成了草酸等还原性有机酸溶液，最终造成钛制减压阀发生腐蚀。
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英文: The symmetric structure of oxalic acid molecule and two carboxylic group on both ends ensure the stableness of c=c double bond.
中文: 草酸分子属于对称结构，两端的羧基使两个碳原子稳定化。
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英文: A Study of Synthesizing T.M.D by Using Catalytic Method of Oxalic Acid and Hydrochloric Acid
中文: 草酸——盐酸催化法合成T.M.D的研究
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