系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
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.
由于铁可导致DA神经元死亡,因此铁含量的增加可能是DA含量减少的原因之一,甲磺酸去铁胺具有保护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.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂,以对茴香胺为原料,用该溶剂合成了3磺酸基对茴香胺,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.
然后研究了三氟甲磺酸镱催化的胺和乙酸乙酯的反应,从而合成了乙酰苯胺类化合物。
Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.
各种含有酮或醛的芳基三氟甲磺酸酯在催化量的钯和膦配体的存在下与胺或酰胺发生取代反应。
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.
而含有磺酸基的两类多胺型可交联染料更适合轧染染色工艺。
Padding method was more suitable for two kinds of crosslinking dyes with sulphonic groups.
蒸馏是去除重氮化合物、2萘胺1磺酸干扰的有效方法。
Distillation is effective to remove diazo compound and 2-naphthalin-1-sulfonic.
目的:探讨肌松剂顺苯磺酸阿曲库胺不同给药方式对心脏体外循环术后拔管的影响。
Objective: To explore the effect of different application methods of cisatracurium on extubation time in cardiac surgery.
目的:探讨肌松剂顺苯磺酸阿曲库胺不同给药方式对心脏体外循环术后拔管的影响。
Objective: To explore the effect of different application methods of cisatracurium on extubation time in cardiac surgery.
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