• 系统研究了碱金属离子烷基磺酸阳离子交换树脂柱上有机酸无机洗液保留行为

    Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.

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  • 由于可导致DA神经元死亡,因此铁含量增加可能DA含量减少的原因之一,甲磺酸去铁具有保护DA神经元的作用

    Elevation of iron content in SN is one of the mechanisms responsible for the reduction of DA content. Desferrioxamine mesylate may exert a protective action on dopaminergic neurons.

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  • 溶剂汽油烷、石油一定比例复配成混合型溶剂,茴香原料,该溶剂合成了3磺酸基对茴香产品中不含致癌物。

    The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.

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  • 然后研究三氟甲磺酸催化的乙酸乙酯的反应,从而合成了乙酰类化合物。

    Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.

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  • 各种含有芳基三氟甲磺酸催化量和膦体的存在下与或酰发生取代反应。

    Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.

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  • 而含有磺酸型可交联染料适合染染色工艺。

    Padding method was more suitable for two kinds of crosslinking dyes with sulphonic groups.

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  • 蒸馏去除氮化合物2萘1磺酸干扰的有效方法。

    Distillation is effective to remove diazo compound and 2-naphthalin-1-sulfonic.

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  • 目的探讨肌松剂顺苯磺酸阿曲库不同给药方式对心脏体外循环术后影响

    Objective: To explore the effect of different application methods of cisatracurium on extubation time in cardiac surgery.

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  • 目的探讨肌松剂顺苯磺酸阿曲库不同给药方式对心脏体外循环术后影响

    Objective: To explore the effect of different application methods of cisatracurium on extubation time in cardiac surgery.

    youdao

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