metal oxide catalysts remains a challenge. Here, we show that green modification of the surface with carboxylates can be used to tune the ammoxidation selectivity toward the desired products during the reaction of hydroxyaldehyde on manganese oxide catalysts. These modifications improve the selectivity ...
The preferred viscous composition is a thixotropic composition consisting essentially of (1) an aqueous solution of nitric acid present in an amount between about 35% and 70% by volume based upon the total volume of nitric acid solution, and (2) finely divided inert metal oxide capable of ...
Never before has electricity been generated out of metal oxides without using any light (UV/IR), acid, or alkali, but it has been achieved by adding a few drops of water on nanoporous metal oxide based Hydroelectric cell (HEC) at room temperature. Electricity generation has been validated and...
Effects of alkali metal oxides on the crystallization behavior and acid corrosion resistance of the MgO-Al2O3-SiO2-TiO2 glass-ceramics were investigated. The results showed that μ-cordierite precipitated in the glass matrix firstly, and it changed into α-cordierite with the crystallization ...
acid metal 美 英 un.耐酸青铜 网络耐酸金属 英汉 网络释义 un. 1. 耐酸青铜
Chapter 6-Metal oxides as acid-base catalytic materials. Busca,G. Heterogeneous Catalytic Materials . 2014G. Busca, Metal Oxides as Acid-Base Catalytic Materials, Elsevier, Amsterdam, 2014, ch. 6.G. Busca, Chapter 6 - Metal Oxides as Acid-Base Catalytic Materials, Elsevier, Amsterdam, 2014....
M. Ø. Characterization of intergrowth in metal oxide materials using structure-mining: the case of γ-MnO2. Dalton Trans. 51, 17150–17161 (2022). Hatakeyama, T., Okamoto, N. L. & Ichitsubo, T. Thermal stability of MnO2 polymorphs. J. Solid State Chem. 305, 122683 (2022). CAS ...
Metals are usually covered by a thin metal oxide. Surface acid-base reactivity of this surface layer is still an open problem. In this work, this problem has been approached by wettability measurements and by chemical reactivity on titanium sheets. Wettability is an average surface property measure...
Metal-oxide surfacesSingle crystalX-ray standing waveLP-XSW-FYMetal partitioningMineral surfaces are often coated by natural organic matter (NOM), which has a major influence on metal-ion sorption and sequestration because of the abundance of binding sites in such coatings and the changes they ...
Oxide-supported Ir nanodendrites with high activity and durability for the oxygen evolution reaction in acid PEM water electrolyzers 来自 国家科技图书文献中心 喜欢 0 阅读量: 140 作者:HS Oh,NN Hong,T Reier,M Gliech,P Strasser 摘要: Reducing the noble-metal catalyst content of acid Polymer ...