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- ZrO2-Al2O3 mixed oxides catalyst ZrO2-Al2O3复合氧化物催化剂
- perovskite mixed oxides catalyst 钙钛矿复合氧化物催化剂
- Ce - Ni mixed Oxides 铈镍氧化物
- La-Ni mixed oxides catalyst 镧镍复合氧化物催化剂
- VxTi mixed oxides catalyst VxTi复合氧化物催化剂
- mixed oxides catalyst 复合氧化物催化剂
- By using XPS,before and after the intoxication of mixed oxide catalysts,the various appearance and the composition. valence and chemical mechanism of the active component of catalysts were studied. 运用XPS分析方法研究一系列复合氧化物催化剂中毒前后硫在其表面的各种形态及催化剂活性组分中毒前后的组成、价态、化学机理及其变化。
- Keywords One step synthesis;Ethyl acetate;Mixed oxide catalyst;TPR and TPD; 一步合成法;乙酸乙酯;混合氧化物催化剂;TPR和TPD;
- Dong Wenjie, of the Beijing Climate Centre, told Chinese media that “the La Ni?a weather will last until the summer of 2008, with a medium to strong intensity”. 中国国家气候中心主任董文杰对国内媒体表示,“此次拉尼娜事件将至少持续到2008年夏季之前,强度达到中等或者偏强”。
- La Ni?a is a cyclical global weather pattern that has been linked to weather disruptions ranging from hurricanes in the Atlantic to flooding in Africa and South Asia last year. 拉尼娜现象是一种周期性的全球天气现象,被认为与多种反常天气有关,从大西洋的飓风,到非洲和南亚去年的洪水泛滥。
- Because of the El Ni? o and La Ni? a effects, and all those other factors, figuring out what might happen to hurricanes in a warmer world is, well, complicated. 由于厄尔尼诺和拉尼娜现象,以及所有其它的因素,要研究在全球变暖的情况下飓风的是很复杂的。
- Aerobic Liquid-Phase Oxidation of Alcohols with Solid Mixed Oxide Catalyst under Mild Condition 固相混合氧化物催化剂用于温和条件下醇液相氧化的研究
- Selective Oxidation of Methane to Formaldehyde over MSU-2-Supported Sb-V Mixed Oxide Catalyst MSU-2负载的Sb-V复合氧化物催化剂上甲烷选择性氧化制甲醛(英文)
- According to the World Meteorological Organization (WMO), the global average temperature for 2008 was slightly lower than that for the previous years of the 21st century due in part to La Niña. 按照世界气象组织,进入21世纪以来,2008年全球平均气温和前几年相比是略微偏低,导致这个现象的部分因素可以归结为拉尼娜。
- PHYSICO CHEMICAL PROPERTIES AND CATALYTIC BEHAVIOR FOR NO REDUCTION BY CO OF Ni BASED MIXED OXIDE CATALYSTS WITH PEROVSKITE (ABO 3) AND PEROVSKITE LIKE (A 2BO 4) STRUCTURE Ni系ABO_3和A_2BO_4型复合氧化物的固态物化性质与NO+CO反应的催化性能
- Liquid phase ammoxidation of p-tert-butyltoluene(PTT) to p-tert-butylbenzonitrile(PTBN)without solvent had been investigated in presence of a mixed oxides supported catalyst prepared by impregnation. 采用负载型金属复合氧化物催化剂,对气相氨氧化反应条件下不稳定的对叔丁基甲苯进行了液相氨氧化反应研究。
- Cu/Mn mixed metal oxides catalyst Cu/Mn复合氧化物
- mixed oxides solid superacid catalyst 复合氧化物固体超强酸催化剂
- Manganese-Lead Mixed Oxide Catalysts for Decomposition of Hydrogen Peroxide 用于过氧化氢分解的锰铅复合氧化物催化剂
- Characterization of catalytic properties of CuO/CeO2 mixed oxides[J].Joural of The Chinese Rare Earth Society, 2002,20 (2): 111-115. CuO/Ce2O催化剂的催化氧化性能及其表征[J].;中国稀土学报;2002;20(2):111-115