查询词典 isatin

The method was based on the inhibitory effect of oxalic acid on the oxidation of isatin by H 2O 2 enhanced by non-ionic surfactant-Triton X-100 in the HCl medium.

在稀盐酸介质中，微量草酸对H2 O2 氧化靛红的褪色反应有显著的阻抑作用，非离子表面活性剂TritonX 1 0 0对此体系有强烈的增敏作用，据此建立了表面活性剂增敏阻抑动力学光度分析测定微量草酸的新方法。

Based on the catalytic oxidation of isatin with potassium iodate catalyzed by nickel in ammonia me dium, a kinetic spectrophotometric method for determining trace nickel in oil was developed and the kinetic condition was studied.

基于氨性介质中镍催化高碘酸钾氧化靛红褪色反应，建立了测定油品中痕量镍的新方法，探讨了其动力学条件。

A catalytic kinetic spectrophotometric method for the determination Ni has been developed based on the enhancement of the catalytic effect of Ni on the oxidation fading reaction of isatin and sodium persulfate.

基于聚乙二醇对Ni(上标 2+)催化过硫酸钠(Na2S2O8)氧化靛红褪色反应的增敏效果，建立了一种新的测定Ni(上标 2+)的增敏动力学光度法。

9 Mol/L～2.9×10~(-7) mol/L ...In this paper, a new kind of adsorptive catalytic voltammetry at carbon paste electrode in the presence of dissolved oxygen was developed. The voltammetric behavior of organic drugs (Nifedipine, Indirubin, Rhein, Hesperidin,Isatin) was studied by the proposed method.

本文首次以碳糊电极为工作电极，以K_2S_2O_8为氧化剂，建立了吸附催化伏安法，测定了有机药物(靛玉红、大黄酸、橙皮苷、靛红)在CPE上的伏安行为，并分别测定了其含量，为有机药物的电化学分析提供了新的途径。

Isatin has therapeutic effects on Parkinson's disease, aging, hyperlipemia, anti-epileptic, tumor, epilepsy antibacterial, anti-virus and other biological activity.

靛红的合成、结构和药理活性研究倍受关注，已有报道证明靛红具有抗帕金森病、抗衰老、降血脂、抗癫痫、抗癌、抗菌、抗病毒等多种生物活性。

Degradation of indole by an indole degrading methanogenic consortium enriched from sewage sludge proceeded through a two step hydroxylation pathway yielding oxindole and isatin.

产甲烷条件下从废水污泥中驯化的细菌对吲哚的降解包括两步羰基化反应，生成中间产物氧化吲哚和靛红。

Conjugate addition; indole; isatin; Gringard regeants; asymmetric addition

共轭加成；吲哚；靛红；格氏试剂；不对称加成

Odoquinazolin-4(3H)-one,7-methyl-4(3H)-quinazolinone,7-bromoquinazolin-4(3H)-one were synthesized by using anthranilic acid、2-amino-5-nitrobenzoic acid、2-amino-4-nitrobenzoic acid,6-nitro--4(3H)-quinazoline-one、o-amino-terephthalic acid, 2-amino-4-hydroxy benzoic acid、2-amino-5-bromo-benzoic acid、2-amino-5-iodine acid,1、4-butynediol、L-glutamine、isatin anhydride、formamide as starting materials and utilizing microwave-assisted synthetic approach.

本文利用微波辅助合成的方法，以邻氨基苯甲酸、2-氨基-5-硝基苯甲酸、2-氨基-4-硝基苯甲酸、邻氨基对苯二甲酸、2-氨基-4-羟基苯甲酸、2-氨基-5-溴苯甲酸、2-氨基-5-碘苯甲酸、5-甲基-2-氨基苯甲酸等为原料与甲酰胺反应，以及以1，4-丁炔二醇、L-谷氨酰胺与靛红酸酐反应，共合成了13个喹唑啉酮衍生。。。

In an ammoniacal buffer medium of pH 9.8, the electro-chemical behavior of 2,3-isatin was studied by linear sweeping voltammetry and cyclic voltammetry.

应用单扫描极谱法及循环伏安法，在pH9.8的氨性缓冲液中，对2，3-吲哚醌的电化学行为进行了研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。