• A new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

    利用氨基乙腈及丙烯腈亲核加成、氢化反应合成了一种新的不等有机化合物2 -氨基乙基-二(3-氨基丙基)胺。

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  • Polyurethane coated waterproof material is a type of elastic waterproof material solidified in bi-component chemical reaction.

    聚氨酯涂膜防水材料组分化学反应固化型弹性防水涂料

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  • This paper reports the reaction of one step-synthesizing triadimefonin bi-solvents systen.

    论文研究了在混合双溶剂存在下一步法合成三唑酮反应

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  • It generates simple substance arsenic by reduction reaction in the colloid system with the existence of protection agent that plays a role of bi-template, dispersing and stabilizing simple substance.

    制备方法是保护剂存在胶体体系,将砷化合物加还原剂还原形成单质砷。

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  • It generates simple substance arsenic by reduction reaction in the colloid system with the existence of protection agent that plays a role of bi-template, dispersing and stabilizing simple substance.

    制备方法是保护剂存在胶体体系,将砷化合物加还原剂还原形成单质砷。

    youdao

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