• 尼希一类性能优良缓蚀剂,并油气井酸化作业中大量应用。

    Mannich base is a corrosion inhibitor with superior property and is applied widely in well acidizing treatments.

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  • 丙烯酸、二甲胺、环氧氯丙烷为原料,通过尼希反应制得两性离子单体

    Amphoteric monomer is prepared with acrylic acid, dimethylamine, and chloroethanol by Mannich reaction.

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  • 即使是很普通害羞也会使父母担心尤其是男孩子父亲们更是如此。波士顿儿童医院的南.斯医生如是说

    Even garden-variety shyness worries parents, particularly fathers of boys, says Dr. Nancy Snidman of Children’s Hospital Boston.

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  • 本文作者利奥·使用Fours quare,琳达·林德《卫报》拍摄。

    Leo Hickman using Foursquare Photograph: Linda Nylind for the guardian.

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  • 曼尼迭戈另一个不可思议冒险

    Manny, Sid and Diego return in another incredible adventure.

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  • 小野洋子所指控偷窃信件有些凸显蓝侬生前曾披头四另一名团员保罗·激烈争执。

    Among the letters that Yoko Ono alleged Seaman had stolen, some highlighted the furious disagreements between lennon and another member of Beatle, Paul McCartney.

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  • 曼尼迭戈发现几英里融化淹没他们山谷时候他们必须警告大家想出办法逃避洪水

    But when Manny, Sid and Diego discover that the miles of melted ice will flood their valley, they must warn everyone and somehow figure out a way to escape the coming deluge.

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  • 曼尼不是伙伴。他甚至不是我的如果我养的狗要一个伙伴,并且那个伙伴要有只宠物就是

    Manfred: He's not my kid. He's not even my dog. If my dog had a kid, and that kid had a pet, that would be Sid.

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  • 曼尼不是孩子。他甚至不是我的如果我养的狗要一个孩子,并且那个孩子要有只宠物就是

    Manfred: He's not my kid. He's not even my dog. If my dog had a kid, and that kid had a pet, that would be Sid.

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  • 曼尼迭戈喜欢哪个

    Sid: Manny, who do you like better, me or Diego?

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  • 运用产业组织相关理论集中度系数、赫芬达尔—赫指数洛伦茨曲线系数分析了我国农机工业集中度现状。

    Based on the theory of Industry Organization, the paper uses the Concentrative Ratio, Herfindahl-Hirschman Index, Lorenz Curve and Gini Coefficient to analyze AMM's concentrative degree.

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  • 运用产业组织相关理论集中度系数、赫芬达尔—赫指数洛伦茨曲线系数分析了我国农机工业集中度现状。

    Based on the theory of Industry Organization, the paper uses the Concentrative Ratio, Herfindahl-Hirschman Index, Lorenz Curve and Gini Coefficient to analyze AMM's concentrative degree.

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