以下为句子列表：
英文: 2 How dose betaine affect DNA-methyltransferase.
中文: 甜菜碱如何影响DNA甲基转移酶的活性.
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英文: Methods of utilization for molasses have been introduced in this paper, including simple utilization, such as feedstuff additive and concrete additive, and extraction of available component, for example sucrose, betaine and caramel pigment etc.
中文: 主要介绍了糖蜜的初级利用，即直接作为饲料添加剂和混凝土外加剂，以及从糖蜜中提取有效成份，如：蔗糖、焦糖色素、甜菜碱以及制备液体糖和红糖粉的方法。
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英文: The results showed that the optimal reaction condition were as follows:the mole ratio of betaine hydrochloride and thionyl chloride ∶. ～∶.,the reaction temperature 8～70℃ and the reaction time .～? h.
中文: 果表明 ,最佳反应条件为 :盐酸甜菜碱与亚硫酰氯的量比为n(CH ClNO )∶n(SOCl ) =∶. ～ ∶.,反应温度为 8～ 70℃ ,反应时间为 .～ h .
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