• 以硝酸银和丁二胺为基本原料,采用化学还原方法合成了银纳米粒子。

    Sliver nanoparticles were synthesized by chemical reduction route applied silver nitrate and butanediamine as raw materials.

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  • 经乙酰化,膦化反应后的共聚体可以与二正丁胺作用制得膦酰胺树脂。

    The copolymer after acetylation and phosphonylation can react with dibutyl amine to yield the corresponding dibutylamidophosphate resin.

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  • 聚异丁烯丁二酸酐(烯酐)是生产丁二酰亚胺型、丁二酸酯型和酚醛胺型无灰分散剂的重要中间体。

    Polyisobutenyl succinic anhydride is an important intermediate for production of ashless deter- gent dispersants such as succinimide, succinic ester and phenolic amine types.

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  • 以吗啉、三聚甲醛、二正丁胺为原料合成了一种吗啉衍生物,以异丁醛、氨水和硫为原料合成了一种噻唑衍生物。

    A kind of morpholine derivative was synthesized by morpholine, trioxane and dibutylamines, and a thiazole derivative was synthesized by morpholine, ammonia and sulfur.

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  • 本文介绍了以邻苯二甲酸二丁脂为内标物,对5%避蚊胺驱虫花露水进行有效成份测定的气相色谱分析法。

    A quantitative analytical method of 5% diethylmethylbenzamide in drive-worms floral- water by GC was introduced, Dibutyl Phthalate was selected as internal standard.

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  • 以2,3- 丁二酮和乙二胺为原料,采用二步法合成了2,3-二甲基吡嗪.研究了催化剂体系对脱氢反应的影响,得到了较好的结果.。

    Dimethylpyrazine was synthesized by the two_steps method of 2,3-butylanedione and ethylenediamine, the dehydrogen catalytic system was studied and better results were obtained.

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  • 本工作研究了高分子絮凝剂(二腈二胺甲醛缩合物)在丁苯胶凝聚工艺中的应用。

    The application of polymeric flocculant, the condensation product on dicyandiamide and formaldehyde, in the coagulation process for SBR production was studied.

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  • 以聚酯(PEA、PEPA)或聚醚(PTMG)和TDI为原料合成聚氨酯预聚体,用三异丙醇胺 (TIPA)和1,4-丁二醇(BDO)的混合物作扩链剂制备聚氨酯弹性体。

    A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).

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  • 稻田常用的除稗除草剂中,禾大壮、丁草胺、扫氟特和千金对抗二氯喹啉酸突变型表现出比较高的毒性反应。

    Among of commonly used herbicide of control barnyardgrass in paddy, Molinate, Butachlor, Pretilachlor and Cyhalofop-butyl showed higher toxic reaction for barnyardgrass is resistant to quinclorac.

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  • 稻田常用的除稗除草剂中,禾大壮、丁草胺、扫氟特和千金对抗二氯喹啉酸突变型表现出比较高的毒性反应。

    Among of commonly used herbicide of control barnyardgrass in paddy, Molinate, Butachlor, Pretilachlor and Cyhalofop-butyl showed higher toxic reaction for barnyardgrass is resistant to quinclorac.

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