担载型的金属氧化物催化剂具有较好的催化活性。
The supported metal oxide catalysts exhibits high catalytic performance.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The surface acidity or basicity of six-component transition metal catalyst was studied.
分别测定了六种不同组分的过渡金属氧化物催化剂的初活性。
The initial activities of six catalysts with different compositions of transition metal oxides were measured by this technique.
报道了乙烷在以碱金属氯化物作为助剂的碱土金属氧化物催化剂上的氧化脱氢。
The oxidative dehydrogenation of ethane to ethylene was studied over alkaline earth oxides promoted with alkaline metal chlorides.
本发明是可用于纯化来自燃烧工艺的尾气和废气的金属氧化物催化剂的制备方法。
The invention is a method for producing a metal oxide catalyst useful for purifying exhaust gases and waste gases from combustion processes.
研制出用于催化氧化废气中挥发性有机化合物(VOC)的非贵金属氧化物催化剂。
A catalyst based on non noble metal oxides for catalytic oxidation of volatile organic compounds (VOC) in waste gas has been developed.
催化剂可以分为两种:过渡金属双官能催化剂和过渡金属的碳氧化物催化剂。
The catalysts can divide into two kinds: the transition metal bifunctional catalysts and oxycarbide catalysts of transition metals.
以异构十三醇和氨气为原料,采用金属氧化物为催化剂合成了异构双十三胺。
Iso-ditridecylamine was synthesized by using iso-tridecanol and ammonia as raw materials and metal oxides as catalyst .
氢通过氧化物分解为自由基的过程,可被各种催化剂加速,特别是过渡金属。
Hydroperoxide decomposition into radicals is accelerated by various catalysts, notable the transition metals.
研究了含铜-稀土氧化物的非贵金属蜂窝状催化剂,目的是用于含烃类工业废气的净化。
To abate the pollution of industrial waste gases, containing CO and organic hydrocarbons, a copper-rare earth oxide catalyst of monolithic form was developed.
本文研究了异龙脑气相催化脱氢生成樟脑过程,筛选出催化剂金属氧化物CDH。
The formation of camphor from the catalytic dehydrogenate of isoborneol in gas phase was investigated and catalyst CDH has been selected.
在工业上,过渡金属氧化物在很多方面被用做多用途的催化剂,但对有些反应其活性太高得不到预期的产品。
In industry, transition-metal oxides are used as versatile catalysts in many applications, however, for some processes their reactivity is too high and non-specific product formation occurs.
通过对贵金属、金属氧化物和六铝酸盐等催化剂应用于二甲醚催化燃烧的比较,发现六铝酸盐最具研究应用前景。
It was found that hexaaluminate was a promising catalyst for dimethyl ether catalytic combustion, superior to other catalysts such as noble metal and metal oxides.
钙钛矿型稀土氧化物催化剂具有较好的催化活性,成本低廉,在替代传统的贵金属催化剂净化汽车尾气方面潜力巨大。
Rare earth perovskite-type oxide catalyst as a substitute for traditional rare metal catalyst has a great potential to purify automotive emission due to good catalytic activity and low cost.
实验结果表明,焙烧温度和时间对催化剂的结构和活性的影响显著,不同的金属氧化物负载的金催化剂具有不同的最佳焙烧温度。
It was found that calcination conditions have remarkable effects on the structure and activity of the catalysts and different metal oxide supports have different optimum calcination temperatures.
催化剂主要以贵金属和金属氧化物为主。
制备了负载型镍催化剂,并加入碱性和过渡金属氧化物助剂,各种氧化物总负载量低于催化剂质量的30 %。
The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.
采用共沉淀法和金属有机络合物固载法,分别制备了钴氧化物负载的纳米金催化剂。
Cobalt oxide supported nanometer gold catalysts were prepared by coprecipitation and organo-gold complex grafting method respectively.
结论:碱性催化剂优于路易斯酸性催化剂,金属氧化物催化适合于工业化生产。
CONCLUSION: Basic catalysis is superior to Lewis acid catalysis. Using metal oxide is suitable for industrialization.
认为固体推进剂用纳米金属氧化物作催化剂,可获得优于非纳米催化剂的燃烧性能。
It is considered that solid propellant with nanometer metal oxide catalysts has the better combustion properties compared with non-nanometer catalysts.
目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。
The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.
本发明公开了属于催化剂成型技术领域的一种层状双羟基复合金属氢氧化物多孔性微球的制备方法。
The invention discloses a method for preparing laminated dihydroxy composite metal hydroxide porous microspheres, and belongs to the technical field of catalyst forming.
本发明催化剂以镁铝复合氧化物为载体,以镍和钴或贵金属为活性组分,以碱金属和稀土元素作为助剂。
The catalyst of the invention utilizes mgal composite oxide as a carrier, nickel and cobalt or noble metals as active constituents, and alkali metals and lanthanon as auxiliaries.
综述了目前国际上催化消除汽车尾气催化剂的研究现状,分析了三效贵金属催化剂、钙钛矿氧化物催化剂、分子筛催化剂各自的优势和存在的问题。
This paper introduces some kinds of catalysts for automobile exhaust purification, such as Three Way Catalysts (TWCs), perovskite oxide catalyst, and molecular sieve catalyst by metal ions.
该催化剂经适量稀土金属氧化物改性后,具有较好的催化性能,且制备过程操作简便。
The catalyst is modified by a proper amount of the rare-earth metal oxide, so the catalyst has good catalytic performance; and the preparation process has simple operation.
本发明的电极催化剂层,其特征在于,含有由热分解金属有机化合物而得到的金属氧化物形成的电极催化剂。
Specifically disclosed is an electrode catalyst layer characterized by containing an electrode catalyst composed of a metal oxide which is obtained by thermally decomposing a metal organic compound.
本发明的电极催化剂层,其特征在于,含有由热分解金属有机化合物而得到的金属氧化物形成的电极催化剂。
Specifically disclosed is an electrode catalyst layer characterized by containing an electrode catalyst composed of a metal oxide which is obtained by thermally decomposing a metal organic compound.
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