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- In the medium of dilute H 2SO 4, the fading reaction of pyrogallol red is oxdized by H 2O 2, which can be catalyzed by Zn 2+ has been studied. 研究了在稀H2 SO4介质中 ,Zn2 + 催化H2 O2 氧化邻苯三酚红的褪色反应。
- Keywords Vanadium;Pyrogallol red;Decolorizing reaction;Spectrophotometry.; 钒;邻苯三酚红;褪色反应;光度法;
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- Determination of Trace Antimony by Adsorptive Stripping Voltammetry with Pyrogallol Red Modified Carbon Paste Electrode 邻苯三酚红修饰碳糊电极吸附伏安法测定痕量锑的研究
- Determination of Trace Bismuth by Adsorptive Stripping Voltammetry with Pyrogallol Red Modified Carbon Paste Electrode 邻苯三酚红修饰碳糊电极吸附伏安法测定痕量铋
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。
- Colour-fading Photometric Determination of Micro-amounts of Manganese by Oxidation of Pyrogallol Red 氧化邻苯三酚红褪色光度法测定微量锰
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- He pulled a red sweater on over his shirt. 他在衬衣外面套上了一件红色毛衣。
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- Everyone at the rally wore red ribbons as favours. 参加集会的人都系著红丝带作为支持大会的标记。
- Her criticisms were enough to make anyone see red. 她那些批评任谁都得火冒三丈。
- Resonance light scattering of protein- pyrogallol red system and its analytical application 邻苯三酚红-蛋白质体系的共振光散射光谱研究
- I have a red tracksuit with fleecy lining. 我有一件红色的有羊毛衬里的运动服。
- Keywords Argentum;Ortho - phenanthroline;Bromo pyrogallol red;Centrifugal photometry; 银;邻菲罗啉;溴邻苯三酚红;离心光度法;
- How much money are you riding on the red horse? 你在那匹红马身上押了多少钱?
- How much red ink is there in the ink-pot? 墨水瓶里有多少红墨水?
- A red pencil-mark on the fifth page caught his eye. 在第5页上一个红铅笔记号引起了他的注意。