以下为句子列表：
英文: METHODS 3,3-bis (dibenzyloxyphosphoiyl) propionic acid (5) and (6) were synthesized from tetraethyl methylene bisphosphonate via hydrolysis, chlorination of the acid, esterification, condensation, then 3,3-bis (dibenzyloxyphosphoryl) propanol (6) was obta
中文: 方法以亚甲基偕二膦酸四乙酯(1)爲原料经水解、氯膦酰化、酯化、缩合得3,3－二（二苄氧膦酰基）丙酸(5)，随后选择性硼氢化还原得3,3－二（二苄氧膦酰基）丙醇(6)。
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英文: Propionic acid and its deriveatives are very useful in Industry. In this article, the preparation of propionic acid and propionate is reviewed.
中文: 摘要丙酸及其衍生物具有广泛的工业用途，是一类值得开发的工业産品。对丙酸及其酯类的制备方法进行了综述，并对其前景进行了展望。
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英文: The water-borne polyurethane (WPU) emulsion modified by epoxy resin was prepared using toluenediisocyanate (TDI), polyether (N220), dimethylolpropionic acid (DMPA), epoxy resin, hydroxypropyl acrylate (HPA) and so on.
中文: 摘要以甲苯二异氰酸酯(TDI-80)、聚醚二醇(N220)、二羟甲基丙酸(DMPA)、环氧树脂和丙烯酸羟丙酯(HPA)为主要原料，合成了环氧改性的水性聚氨酯乳液。
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英文: Influence of 3-nitropropionic acid on expression of caspase-3 in brain tissue after ischemic preconditioning;
中文: 3-硝基丙酸对缺血预处理后脑组织caspase-3表达的影响
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