氧化物

The invention relates to a way to prepare nickel, manganum and cobalt hydroxide. The method includes making the mixed solution a coprecipitate with mixed solution B in base solution C. The mixed solution A contains nickel salt, manganese salt and cobalt salt, the mixed solution B is a strong base solution, the base solution C is aqueous ammonia solution. The solution A also contains ammonium salt while solution B also contains aqueous ammonia; besides, after being mixed, the molarity of ammonia in solution A and solution B is the same with that in solution C.

一种镍锰钴氢氧化物沉淀的制备方法，该方法包括将混合液A和混合液B在底液C中进行共沉淀反应，所述混合液A中含有镍盐、锰盐、钴盐，所述混合液B为强碱溶液，所述底液C为氨水溶液，其中，所述混合液A中还含有铵盐，混合液B中还含有氨水，并且参于等当量反应的混合液A中的铵盐与混合液B中的氨水在混合液A和混合液B混合后氨的摩尔浓度与底液C中氨的摩尔浓度相等。

Ce0.9Fe0.1O2 mixed oxide catalysts were prepared by coprecipitation method and calcined at 500, 600 and 700℃, respectively.

考察了不同焙烧温度对Ce0.9Fe0.1O2复合氧化物催化剂甲烷催化燃烧性能的影响。

XRD patterns were given for the samples prepared by chemical coprecipitation and oxide method.

分别给出了用化学共沉淀方法和氧化物方法所制备样品的 XRD 图谱，分析了化学共沉淀方法的优越性。

Pd supported on TiO2-Al2O3 binary oxides prepared by coprecipitation method has been investigated for the total oxidation of methane.

本文详细研究了用共沉淀法制备出的TiO2-Al2O3复合氧化物载体负载钯之后的催化剂催化甲烷燃烧的性能。

ABSTRACT: In this paper,different ratio of Ag/Fe mixed oxide catalysts have b een prepared by coprecipitation method.

摘 要：采用共沉淀法制备了一系列不同摩尔比的银铁复合氧化物催化剂。

The zymogramatic variations of esterase isoenzyme and superoxide dismutase isoenzyme of 20 sample materials, including 5 species, 2 varieties, 1 multiploid of Isatis L. and 1 outgroup species, Coronopus didymus J. E. Smith, were analyzed with technique of polyacrylamide gel electrophoresis.

采用聚丙烯酰胺凝胶电泳，比较了菘蓝属5种2变种1多倍体品种及1外类群种共计20个样本的酯酶同工酶和超氧化物歧化酶同工酶的酶谱差异，并运用数量分类学的原理和方法对酶谱数据进行了聚类分析。

It was used for catalytic oxidation of crotonic aldehyde to crotonic acid .

以浸渍法制备的Al_2O_3负载金属氧化物为催化剂，催化氧化巴豆醛制备巴豆酸。

Cyclohexene epoxide was the main product from reaction.

Cyclohexene环氧化物是主要产品从反应。

The results reveal that the supported catalyst has high catalytic activity and good selectivity of epoxide for the epoxidation of cyclohexene and styrene, respectively.

上述结果表明该负载催化剂对环己烯和苯乙烯的空气环氧化具有很高活性和环氧化物选择性。

Composite oxide; catalyst; n-Butyl acetate; cyclohexyl acetate; methylene blue

复合氧化物；催化剂；乙酸正丁酯；乙酸环己酯；亚甲基蓝

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。