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- It is based on the iodine catalysed discoloring reaction of malachite green oxidized by chloramine T in hydrochloric acid medium. 基于在稀盐酸介质中,碘催化氯胺T氧化孔雀绿而使其褪色的反应,建立了测定痕量碘的新方法。
- The method is based on the catalysis of rutin to the discoloring reaction of butyl rhodamine B oxidized by potassium periodate solution. 在氢氧化钠介质中,微量芦丁对高碘酸钾氧化丁基罗丹明B褪色反应有明显的催化作用,据此建立了测定芦丁含量的催化动力学光度法。
- A new spectrophotometric method for the determination of calcium has been studied,based on the discoloring reaction of calcium and picramazo-chromotropic acid in pH 11. 研究了苦安酸偶氮变色酸与钙的褪色反应,试验了最佳反应条件,建立了测定水中钙含量的褪色光度分析方法。
- The method is based on the catalysis of phenthroline to the discoloring reaction of bordeaux R oxidized by potassium periodate in the dilute acetic acid solution. 在稀醋酸介质中,痕量邻菲咯啉对高碘酸钾氧化玫瑰桃红R褪色反应有明显的催化作用,据此建立了测定邻菲咯啉的催化动力学光度法。
- Based on the catalytic effect of trace tin on discoloring reaction of neutral red oxidized by potassium bromate in 0.036 mol/L sulphuric acid solution,a method for the determination of trace tin by kinetic spectrophotometry has been developed. 基于0 036mol/L的H2SO4介质中,痕量锡对溴酸钾氧化中性红的褪色反应有良好的催化作用,建立了测定痕量锡的催化动力学光度法。
- Trace o-phenylene diamine can sensitirely catalyze the discoloration reaction of crystal violet oxidized by KBrO_3. 痕量邻苯二胺能灵敏催化溴酸钾氧化结晶紫褪色。
- Keywords Agaricus bisporus;browning;discolor reaction;protect color; 双孢菇;褐变;变色反应;护色;
- Methods:The method was based on the coloration and discoloration reaction between KIO_3 and acridine orange with trace I~-catalyzed in 0.10 mol/dm~3 citric acid medium. The reaction mechanism was discussed primarily. 方法:在0.;10 mol/dm3的柠檬酸介质中;痕量I-催化碘酸钾氧化吖啶橙褪色和生色;并初步探讨了反应机理。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- To spot or stain, as with a discoloring substance. 玷污，弄赃因某种褪色物质弄脏、染污
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- His initial reaction was one of shock. 他最初的反应是震惊。
- To spot or stain,as with a discoloring substance. 玷污，弄赃因某种褪色物质弄脏、染污
- The reaction of the audience was instantaneous. 观众即刻有了反应。
- What was his reaction to the plan? 他对这个计划有什么反应?
