List Chiral counteranions in asymmetric transition-metal catalysis: highly enantioselective pd/brønsted acid-catalyzed direct α-allylation of aldehydes J. Am. Chem. Soc., 129 (2007), pp. 11336-11337 Google Scholar 144 P.-S. Wang, H.-C. Lin, Y.-J. Zhai, Z.-Y. Han, L.-Z. Gong...
Solid acid catalysts having primarily Bronsted acidity which comprise at least one catalytic metal oxide component selected from the group consisting essentially of oxides of (a) tungsten, niobium and mixtures thereof and (b) mixtures of (a) with tantalum, ...
being selected from the group consisting of refractory metal oxides, such as aluminium, boria, magnesia, thoria, zirconia, titania and mixtures of two or more of these refractory metal oxides. Supports can also comprise alumina, aluminium phosphate, boron phosphate and mixtures thereof with each ot...
权威英汉双解 英汉 网络释义 transition.metal n. 1. 过渡金属(位于元素周期表中心的一组金属元素,可形成有色化合物,常作为催化剂)one of the group of metals in the centre of the periodic table(= a list of all the chemical elements) which form coloured compounds and often act as catalysts(= sub...
KM –1 ΓΓ f 1 KM Γ 0 Gap: 39 meV 0 Gap: 146 meV –1 Γ g 1 KM –1 ΓΓ h 1 KM Γ 0 Gap: 299 meV 0 Gap: 53 meV –1 Γ KM –1 ΓΓ KM Γ Figure 3 | Density functional theory results of the dispersion relations of the (111) bilayer of transition-metal oxides. ...
www.nature.com/npjquantmats ARTICLE OPEN Magnetically driven orbital-selective insulator–metal transition in double perovskite oxides Hanghui Chen1,2,3 Interaction-driven metal–insulator transitions or Mott transitions are widely observed in condensed matter systems. In multi-orbital systems, many-body...
The metal–metal binding also lowers while going from Fe to Ni (see Table 1). However, the Co dimer has the highest binding (and the lowest bond distance). General structural trends are also consistent with the binding energy per atom plotted in Figure 10 for the oxides. Consequently, for...
They outperform almost all traditional metal oxides based sensors, which have been limited by long recovery periods and high temperature operations [157], [158], [159]. However, the performance/sensitivity of the MoS2-based FET biosensor has been reported to be 74-fold better than state-of-...
Mesoporous nickel oxide such a transition metal oxides, 翻译结果4复制译文编辑译文朗读译文返回顶部 Nickel oxide between holes this is a transition metal oxides. 翻译结果5复制译文编辑译文朗读译文返回顶部 Lies between the hole nickel oxide this kind of transition metal oxide compound, ...
Layered two-dimensional (2D) materials such as transition metal dichalcogenides (TMDCs) are receiving increased interest for applications in energy storage due to their high specific surface area and versatile electronic structure. In this work, we prepare solvent stabilised dispersions of a variety of...