查询词典 oxides

In order to improve the reaction rate of pyrotechnical reagent, transition metal oxides, Fe2O3 and CuO, were added into potassium perchlorate and potassium nitrate respectively by mixing and crystallization methods. Accelerating rate calorimeter was used to study the catalytic behavior of TMO.

为了提高含高氯酸钾和硝酸钾烟火药剂的反应速率，应用混合法和结晶法将过渡金属氧化物氧化铁添加到含高氯酸钾的烟火药剂中，将氧化铜添加到含硝酸钾的烟火药剂中。

The reoxidation mechanisms of IF steel containing Al and Ti by reducible oxides in the slag were analyzed. A model of predicting total oxygen in the molten steel was established based on the reoxidation mechanisms. It was found that two different reaction mechanisms existed when and in the slag reoxidated the molten steel.

分析了IF钢冶炼过程中渣对钢液中、的氧化机理，在此基础上提出了IF钢加铝脱氧后全氧的预测模型结果表明，熔渣中、对钢液的二次氧化存在两种方式。

Catalysis of thecomplex mental oxides can be greatly effected by it's redox property. In the present work, a significant study on the oxidation performance and re-oxidationperformance of Mo-V-Te-Nb-O catalyst was carried out using a pulse reactor in which theoxidation of propane and the reoxidation of catalyst were taken place alternatively.

我们利用脉冲反应器，催化剂预氧化与丙烷氧化反应轮流进行，重点考察了反应条件下Mo-V-Te-Nb-O催化剂氧化丙烷的性能及其再氧化性能，并对催化剂的结构进行了表征。

Mineral dyes and metal salts of various inorganic metal oxides, mainly brown-red, light green, yellow, white, mixed together, after smashing available after more than 20 chromatography; vegetable dyes are Rubiaceae, Shikonin, hematoxylin, indigo , safflower, pomegranates, Gardaniajas minoides Ellis, tea, song blue, Arthraxon hispidus, persimmon, shikonin, ink tree, etc.; animals are insects dye plastic, carmine and other insects.

矿物染料是各种无机金属盐和金属氧化物，主要有棕红色、淡绿色、黄色、白色，经过粉碎混拼后可得20多个色谱；植物染料有茜草、紫草、苏木、靛蓝、红花、石榴、黄栀子、茶、崧蓝、荩草、柿子、紫草、墨水树等；动物染料有虫胶、胭脂红虫等。

In chapter 1, the progress in study of the ruthenium complex oxides. especially the coexistance of magnetism and superconductivity in 〓 and 〓 are introduced. The introduction makes conclusion that all of the Ru-1212 and Ru-1222 compounds reported are accompanied by small amounts of SrRuO〓 impurities, this is to say that, it is difficult to synthesize pure samples of these two compounds by traditional solid state reaction. So the author think that the studies for new synthesis methods of ruthenate superconductors which is beneficial to the synthesis of new type precious metals superconductivity is very important till now.

第一章重点综述了钌系复合氧化物的研究进展，特别是其中超导电性的发现及其钌系1212、1222相铜氧化物超导电性和铁磁性共存的特征，在此基础上可以看出，至今文献报道所获得的Ru-1212和Ru-1222相化合物都含有少量的SrRuO〓杂相，即很难通过原有的固相反应方法得到纯相化合物，由此作者提出，现有钌系超导氧化物合成的新方法研究仍具有重要的现实意义，这也将更有利于探索合成新型贵金属超导体。

Copper and cobalt oxides catalyst supported on activecarbon showed specific selectivity for salicylaldehyde and realized74% conversion of o-cresol and 57% selectivity for salicylaldehyde.

论文在液相条件下采用多相催化剂和分子氧，首次实现了催化选择氧化邻甲酚和对甲酚合成相应的羟基苯甲醛。

Among them, the catalysts with the support of SAPO zeolite performed well properties, Pt catalysts exhibited better performance than Pd catalysts, the activity and selectivity of noble catalysts were much better than that of non-noble metal catalysts. The carbides and oxides of W and Mo also performed well for n-heptane isomerization.

正庚烷异构化催化剂中，研究较多的是以SAPO、HZSM-5和Y、β型分子筛为载体的贵金属催化剂，其中SAPO分子筛载体的性能较优，Pt比Pd具有更好的催化性能，非贵金属／分子筛催化剂的活性比贵金属／分子筛催化剂相差较大。

So, this is a new method to grow size-large grain of tungsten oxide and synthesize nano-wire of semiconducting oxides.

这个研究结果，为生长WO〓大单晶，制备氧化物纳米线，指出了一种可能的简便方法。

The present invention concerns the compounds having the formula N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein R1 and R8 each are H, optionally substituted C1-6alkyl, C2-6alkenyl, C3-7cycloalkyl, aryl, Het1, Het2; R1 may also be a radical of formula (R11aR11b)NC(R10aR10b)CR9-; t is 0, 1 or 2; R2 is H or C1-6alkyl; L is -C-,-O-C-,-NR8-C-,-O-C1-6alkanediyl-C-,-NR8-C1-6alkanediyl-C-,-S2-,-O-S2-,-NR8-S2 ; R3 is C1-6alkyl, aryl, C3-7cycloalkyl, C3-7cycloalkylC1-4alkyl, or arylC1-4alkyl; R4 is H, C1-4alkylOC, carboxyl, aminoC, mono- or di(C1-4alkyl)aminoC, C3-7cycloalkyl, C2-6alkenyl, C2-6alkynyl or optionally substituted C1-6alkyl; R5 and R6 are H or C1-6alkyl.

本发明涉及右式化合物其N-氧化物、盐、立体异构形式、外消旋混合物、前药、酯及代谢物，其中R 1 及R 8 各是氢、C 1-6 烷基、C 2-6 烯基、C 3-7 环烷基、芳基、Het 1 、Het 2 ；R 1 也可以是式(R 11a R 11b )NC(R 10A R 10b )CR 9 -之基；t是0、1或2；R 2 是氢或C 1-6 烷基；L是-C-、-O-C-、-NR 8 -C-、-O-C 1-6 烷二基-C-、-NR 8 -C 1-6 烷二基-C-、-S 2 -，-O-S 2 -、-NR 8 -S 2 -；R 3 是C 1-6 烷基、芳基、C 3-7 环烷基、C 3-7 环烷基C 1-4 烷基或芳基C 1-4 烷基；R 4 是氢、C 1-4 烷基OC、羧基、氨基C、一-或二(C 1-4 烷基)氨基C、C 3-7 环烷基、C 2-6 烯基、C 2-6 炔基或任选被取代的C 1-6 烷基；R 5 及R 6 是氢或C 1-6 烷基。

The native oxides on CdSe surface could be reduced to elemental Selenium by a HF etching process. Bombardment using 100eV Ar〓 ions with a dosage of about 1×10〓 ions/cm〓 could remove all the elemental Selenium, which results in a normal stoichiometrical surface CdSe.

实验观测到HF刻蚀可以将CdSe半导体表面的Se氧化物还原为元素Se.100eV的Ar〓离子轰击可以除去HF刻蚀后在表面还原生成的元素Se，从而清洁样品表面，保证了表面CdSe的化学计量比。

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。