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- The ECL behavior of luminol on the surface of ITO glass in alkaline medium has been studied. 在碱性鲁米诺溶液中研究了ITO玻璃上鲁米诺电化学发光行为。
- A new bleach agent for bentonite was adopted that had greater reducibility to impurity iron in the alkaline medium. 通过对膨润土的漂白试验，选用了一种新的漂白剂，它在碱性条件下对杂质铁具有较强的还原性，漂白后再加入一种络合剂稳定残余铁。
- MethodsReduction of chemiluminescence worked as an index with pyrogallic acid self-oxide in alkaline medium. 方法以碱性条件下邻苯三酚自氧化作为超氧阴离子的产生体系,以化学发光的降低作为检测活力的指标。
- Trichloropyridine was synthesized by reacting pentachloropyridine with zinc powder in an alkaline medium in the presence of phase transfer catalyst. 以五氯吡啶和锌粉为原料,在碱性条件下用相转移催化剂催化还原合成2,3,5-三氯吡啶。
- The results show that provided thiourea occurs stably in the alkaline medium, selective dissoulution of gold can be achieved. 阳极电位是影响碱性硫脲溶金的关键因素，过高的阳极电位和温度易于导致硫脲的不可逆分解，而产生钝化金表面的元素硫；
- It was based on the reaction of API with nitrite in acidic medium to form diazo salt and further in alkaline medium to form hydroxydiazene with higher fluorescence intensity. API在酸性介质中与亚硝酸根生成重氮盐化合物,进一步在碱性介质中生成相应的羟基二氮烯,使荧光强度明显增强。 基于该反应,提出了一种操作简便、灵敏度高、选择性好的亚硝酸根荧光测定方法。
- The results show that the leak detection steam may condense in the interlayer clearances,which would cause alkaline medium concentration at the heavy weld. 深环焊缝部位在碱性环境和局部较高应力下萌生裂纹并扩展,是导致多层包扎尿素合成塔应力腐蚀开裂的原因。
- The results showed that o-nitro aryl ethers containing nitro group(-NO2)would become unstable in the alkaline medium,and nucleophilic substitution was easy to take... 发现邻硝基苯氧丙酸亲核取代的异常情况,推测可能是分子内邻基参与的亲核取代反应。
- In the present of oxidant, the sample reacted colorimetric reaction adding chromogenic agent in alkaline medium, and the nickel in iron was directly determined with high precision and accuracy. 试样经酸分解后,经高氯酸发烟,在有氧化剂存在的碱性介质中,加入显色剂直接比色,从而测定出钢中镍的含量。
- Based on the fact that amoxicillin enhances the chemiluminescence of luminol and K3Fe(CN)6,in alkaline medium,a new analytical method was developed for the determination of amoxicillin with flow injection chemiluminescence. 基于在碱性介质中阿莫西林对鲁米诺-K3Fe(CN)6化学发光反应有强烈的增敏作用;建立了测定阿莫西林的流动注射化学发光分析法.
- Having been bleached with 1. 5% H2O2 in alkaline medium, pulps whiten to a whiteness of 82% SBD, and pulp sheets maintain a higher strength properties, the breaking length of 6. 1 km. The total yield loss during OP bleaching is slightly less ten percent. 再经1.;5%25H2O2漂白，浆白度达82%25SBD，裂断长为6
- Based on the chemiluminescence's(CL) of gallic acid-HCHO-H_2O_2 system in alkaline medium,a static injection chemiluminescence's method was developed to determine concentration of trace formaldehyde. 基于碱性介质中没食子酸-过氧化氢-甲醛体系的化学发光现象,建立了静态注射化学发光法测定微量甲醛的方法。
- It was found that API can form diazo salt with nitrite in acidic medium and then it would form hydroxydiazene in alkaline medium, leading the significant increase in the fluorescence. 发现API在酸性介质中与亚硝酸根生成重氮盐化合物，进一步在碱性介质中生成相应的羟基二氮烯，使荧光强度明显增强。
- The lignin-based phenol formaldehyde (LPF) adhesive with high ratio of lignin to phenol and strong adhesive was prepared by using the wheat straw soda lignin (WSSL) phenolated in alkaline medium. 利用碱性条件下酚化改性的麦草碱木素代替部分苯酚制备了高木质素/苯酚比例和胶粘强度高的木质素酚醛树脂(LPF)胶粘剂。
- This kind of amphoteric polyurethane (APU) can form stable nanometer sized waterborne dispersions in acid or alkaline media. 同时还测定了APU的等电点和水分散液中APU分子链上可离子化基团的含量 ;
- The electrooxidation of ethylene glycol (EG) in alkaline media has been investigated with in situ FTIR spectroscopy and cyclic voltammetry. 运用循环伏安和现场FTIR反射光谱研究了碱性介质中乙二醇在铂电极上的吸附和氧化行为。
- The results suggested that ethanol was oxidized to CO2 on the roughened platinum electrode via parallel reaction mechanism in acidic, neutral or alkaline media. 可以推测; 不论在酸性、中性还是碱性介质中; 乙醇在粗糙铂电极上的氧化过程均按双途径机理进行.
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么？
- English is not the usual medium of instruction in our school. 英语不是我校通常使用的教学语言。
- When other conditions are the same, the nanoparticles prepared without adding alkalinous medium in reactant have a certain crystalliza... 晶化程度的差别导致两者的磁性能明显不同,并使两者粒子具有不同的微观聚集状态。
