• 用 UPLC-MS / MS监测模拟过程中番茄酱草胺麦草残留变化

    UPLC-MS/MS was used to monitor changes of mepiquat chloride and chlormequat residue during tomato paste process of simulation process.

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  • 以对磺酸催化剂,对氨基丁醇为原料合成对二氨基苯丁酯。

    Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification ofp-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.

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  • 本文研究了高压汞灯照射下,二3,4 -聚戊二烯能量传递机理

    This paper studied the energy transmission mechanism between benzophenone and 3, 4-polyisoprene which were irradiated by high pressure Hg lamp.

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  • 草胺草胺均氯代乙酰胺类除草剂它们水田中活性极高

    Metolachlor and acetochlor are belong to acetanilide herbicides, they have high activity in rice field.

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  • 采用平衡振荡研究了精草胺壤土、粘土及砂壤土中的吸附和解吸附行为

    The adsorption and desorption behaviors of S-metolachlor in three different soils were investigated using the batch equilibration method.

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  • 酮、多效唑、烯唑醇、恶草酮、辛宝农药乳化剂油田化学品表面活性剂纺织染整助剂

    Triadimefon, paclobutrazol, diniconazole, yect, JXB, pesticide emulsifier, oil field chemicals, surface active agent, dyeing and finishing auxiliaries for textile.

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  • 烟酸原料固体强酸做催化剂合成烟酸

    Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst.

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  • 应用紫外光谱荧光光谱研究了水溶液酰胺类除草剂乙草、丙草胺、丁草胺、草胺脲酶分子间的相互作用。

    The binding of acetochor, pretilachor, butachlor and metolachlor to urease in aqueous solution was studied using UV difference spectrum and fluorescence spectrum methods.

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  • 本文采用相色谱HP-5毛细管,以邻苯二酸二物,用氢火焰离子化检测器苄氟菊酯进行定性定量分析。

    A method for the determination of metofluthrin TC by GC with HP-5 capillary column, diisobutyl phthalate as internal standard and FID detector was described.

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  • 对苯二氰酸邻苯二胺为原料通过界面缩聚法合成了聚硫脲缓释微胶囊

    Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.

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  • 作为原料用以制作丁基、二丙酮二醇、丙烯酸精细化学品等

    Also used as a raw material in the manufacture of methyl iso-butyl ketone, di-acetone alcohol, hexylene glycol, methyl methacrylate and fine chemicals.

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  • 通过酰基长叶烯缩合反应合成出具有香气化合物

    Six types fragrant new compounds were synthesized by the condensation reactions of formylisolongifolene with ketones.

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  • 这个奇怪的象,尼布尼撒启示数百年后发生的事。

    This strange vision given to Nebuchadnezzar revealed the future for hundreds of years to come.

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  • 该药化合物分子结构含有1-10个结晶水的2,6-二基苯酚缩醛磷酸酯二钠水合物

    The medicinal compound is a 2,6-diisopropyl phenol methylal phosphate disodium salt hydrate the molecular structure of which comprises 1-10 crystal water.

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  • 液态橡胶、氟尔酮二氰酸酯扩链剂3,6 -二硫基-2 ,5 -苯胺为原料,合成了不同硬段质量分数的聚硫硫代聚脲。

    A series of polysulfide based thio-polyurea was synthesized, which were based on isophorone diisocyanate, liquid polysulfide and 2,5-diamino-3,6-dimethylmercapto toluene.

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  • 硫化钠丙烯酸等为原料合成杀菌剂5 -氯- 2 -基- 4 -噻唑啉- 3-酮,具有很好的杀灭细菌霉菌能力

    The synthesis of 5-chloro-2-methyl-4-isothiazoline-3-ketone with multisodium sulfide, methyl acrylate, methyl amine, had been studied. The product had good ability of killing the mold and bacteria.

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  • 通过近年某些国家对来米特副作用论证,分析了可能来氟米特应用市场造成一定的影响,进而影响中间体5 唑4 酰氯三氟基苯胺的市场。

    Through the demonstration on side-effect of leflunomide made by some countries recently, the probable impact to application market of leflunomide and to its intermediates could be given.

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  • 应用紫外光谱荧光光谱法研究了水溶液酰胺类除草剂乙草胺、丙草胺、丁草胺、草胺分子间相互作用。

    The binding of metolachlor and S Isomer to urease in aqueous solution was studied using UV difference spectrum and fluorescence spectrum.

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  • 研究表明,甘草素葡萄糖芹菜甙、甘草甙和甘草查耳酮可以作为潜在美白化妆品添加剂

    These flavonoids have the potential to be further developed into effective skin whitening agents. Different from the above flavonoids, no inhibitory act

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  • 研究表明,甘草素葡萄糖芹菜甙、甘草甙和甘草查耳酮可以作为潜在美白化妆品添加剂

    These flavonoids have the potential to be further developed into effective skin whitening agents. Different from the above flavonoids, no inhibitory act

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