查询词典 isatin

Objective To establish a reliable method to determine the content of isatin in human urine.

目的建立一种准确可靠的尿液中2，3-吲哚醌浓度的测定方法。

HPLC is exact and reliable and can be used to determine the content of isatin in human urine.

该测定方法准确可靠，可用於尿液中2，3-吲哚醌的含量测定。

The effects of buffer pH value, temperature of water bath and isatin dosage on determining process are analyzed.

研究了缓冲液pH值、水浴温度、靛蓝胭脂红用量等对葡萄糖氧化酶活力测定的影响。

The results show that the best buffer pH value is 4, the best temperature of water bath 100℃ and the isatin dosage 1.3 mL.

结果表明：利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶活力时，缓冲液最佳pH值为4、最佳水浴温度为100℃、靛蓝胭脂红最佳用量为1.3 mL。

In this study, a novel method based on the fading of isatin is proposed to determine the glucose oxidase activity.

利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶催化葡萄糖溶液产生的过氧化氢浓度，经过标准曲线转换得到葡萄糖氧化酶的活力。

A new photometric method for the determination of micro-amounts of bromate is proposed based on the oxidation of isatin by bromate in HC1 medium.

在盐酸介质中，依据溴酸根离子氧化靛红褪色的原理提出了测定溴酸根离子的新方法，研究了测定的最佳条件。

Isatin; chromatography, high pressure liquid; urine

2，3吲哚醌色谱法，高压液相尿

The optimum reaction conditions were obtained as follows: 2mL of 1.0×10^(-3)mol/L isatin violet; 1.5mL of 4.0×10^(-3)mol/L sodium persulfate; 0.5mL peg; the reaction temperature is 75℃.

确定了最佳的褪色反应条件为：1.0×10^(-3)mol/L靛红2mL、4.0×10^(-3)mol/LNa2S2O81.5mL、PEG4000.5mL；反应温度为75℃。

Starting with the readily available isatin, two designated key cyclization precurors 25 and 26 were synthesized respectively by 5 steps and 6 steps reactions ,with Wittig reaction and Corey-Chaykorsky reaction as key steps.

以商品可得的吲哚醌为起始原料，分别经过5步和6步以Wittig烯烃化，Corey-Chaykorsky反应为关键步骤的合成路线，得到2个用于的环合反应的前体亚胺25和26。

Isatin ramification activated plant resistance to TMV infection is mainly dependent and requires SA mediated signaling pathways as well as one or more unidentified factors activated by the compound.

蛋白质组分析表明，由化合物7诱导的蛋白磷酸化也与水杨酸诱导的相同。表明该化合物是植物防卫反应的外源信号分子，其激活的植物防卫反应依赖于SA途径。

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。