查询词典 peroxide

In the medium of ammonia water and ammonium chloride trace copper can sensitively catalyze hydrogen peroxide(H2O2) oxidizing the fading of the orcein. On the basis of the principle, the uncatalytic and catalytic system solutions are heated for 11.5 mm in boiling water and then the absorbance is measured at 582 nm.

在NH3H2O-NH4Cl介质中，铜能灵敏地催化过氧化氢氧化地衣红褪色，利用这一原理，将非催化反应体系与催化反应体系在沸水中加热11.5min，在波长582nm处测定吸光度。

In the technical scheme of the invention, reactant, ammonia and hydrogen peroxide are ordinally added into the reaction system of catalyst containing Ti-MWW-F molecular sieve and solvent, and after stiring, temperature raising and reaction are finished, an oxime product is produced by filtering, distillation, liquor filtering and separation.

本发明的技术方案是将反应物酮或醛、氨、过氧化氢依次加入到含Ti-MWW-F分子筛的催化剂和溶剂的反应体系中，搅拌，升温，反应结束后，经过滤，蒸馏滤液，分离得到产物肟。

Residue organic matter pollution is introduced in Post-CMP.The theory of the oxidability of peroxide synthesized by the BDD anodes used in the electrochemical is introduced.

提出硅片化学机械抛光后表面残留的有机物污染，介绍金刚石膜电化学合成过氧化物的方法与原理。

According to the characteristic of organic matter is liable to be oxygenated and decomposed,using the oxidability of peroxide synthesized by the BDD anodes used in the electrochemical to oxidative decomposes residue organic matter and coordinates with ultrasonic cleaning,combining with physical and chemical method,thus achieves,the goal of wiping off residue organic matter.

根据有机物易被氧化分解的特性，采用金刚石膜电化学法合成过氧化物，利用过氧化物的氧化性氧化分解硅片化学机械抛光后表面的有机物残留配合特选的表面活性剂，并加超声清洗，物理化学方法结合，从而达到去除有机物污染的目的。

Some optimization suggestions for oxidization process, air distribution, etc, are given on the basis of the operational conditions of the hydrogen peroxide production unit in the plant.

探讨了问题产生的原因，介绍了对氧化工序的优化、对氧化塔结构的改造过程以及改造后的运行效果。

The laboratory investigation result showed that the key effect factor on decomposition of hydrogen peroxide was the alkaline environment due to the presence of ammonia in the reaction system of amm oximation of cyclohexanone to cyclohexanone oxime over silicon-titanium zeolite.

在实验室对钛硅分子筛催化环己酮氨肟化制备环己酮肟反应体系中引起H_2O_2分解的原因进行了考察。

In order to solve these problems, first, activated carbon which was deashed by hydrochloride was modified through using concentrated sulfuric acid, concentrated nitric acid, hydrogen peroxide and potassium permanganate in the paper, the result showed that the modification of activated carbon is best through using concentrated sulfuric acid under 250℃ through analyzing the desulfurization efficiency and acidic oxygenous group on surface.

对上述问题，本文首先采用浓硫酸、浓硝酸、双氧水和高锰酸钾等氧化剂对盐酸脱灰后的活性炭进行化学改性，通过对改性活性炭的脱硫效果及其表面酸性含氧基团分析，得出在250℃的温度下采用浓硫酸改性活性炭效果最好。

Results: When the proportion of acetic acid and hydrogen peroxide was 2:1,the catalyst sulfuric acid used was in the range of 30～50 g/L,the reaction temperature was 25℃ and the reaction time was 24 h,the product had highest peracetic acid content.

结果，乙酸与过氧化氢质量比为2：1时，催化剂硫酸用量在30g/L~50g/L范围内，反应温度25℃和反应时间24 h综合条件下，产出过氧乙酸含量最高。

Besides, hydrogen peroxide and sodium percarbonate are 50,000 t/y and 10,000 t/y respectively.

通过不断地发展，公司现已成为生产无机化工原料、农用化学肥料、化学试剂、气体等近50余种产品的综合性化工企业，是中国精细磷酸盐重要的生产和出口基地。

Professional long-term supply of thionyl chloride, sodium percarbonate, hydrogen peroxide of various specifications, run methanol, sulfur powder, liquid, sodium hypochlorite and other products.

长期专业供应氯化亚砜、过碳酸钠、各种规格双氧水、兼营甲醇、硫黄粉、液碱、次氯酸钠等产品。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。