標(biāo)題: Titlebook: Metal-Metal Bonds and Clusters in Chemistry and Catalysis; John P. Fackler Book 1990 Springer Science+Business Media New York 1990 Chemica [打印本頁] 作者: 卑賤 時間: 2025-3-21 18:41
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作者: 季雨 時間: 2025-3-21 21:33 作者: 鴿子 時間: 2025-3-22 02:58 作者: Ischemia 時間: 2025-3-22 04:53 作者: 連鎖,連串 時間: 2025-3-22 11:06
The Multiple Metal-Metal Bond: Twenty-Five Years of Synthetic Serendipity and Structural DiscoveryThe development of the field of multiple bond chemistry had as its genesis the studies in the early 1960’s by Cotton and co-workers that established the existence of salts of the {[ReX.].}. anions (X = Cl or Br) that differed in nuclearity (n = 2 or 3)..作者: 向下五度才偏 時間: 2025-3-22 13:27 作者: Breach 時間: 2025-3-22 18:56
Bruce E. Bursten,William F. Schneider the advances in cell and molecular biology and in vivo techniques, it is very likely that the field of RAMPs will explode further and many unanswered questions will be answered with in the next few years..978-1-4939-5292-2978-1-4614-2364-5Series ISSN 0065-2598 Series E-ISSN 2214-8019 作者: modish 時間: 2025-3-23 01:14 作者: 消滅 時間: 2025-3-23 02:52 作者: SLAG 時間: 2025-3-23 07:28
Richard D. Adamse nucleotide exchange factors and activators of Ras-related proteins. Further complexity arose when a new and seemingly incongruous group of pro-apoptotic Ras effectors with tumor suppressor function was identified. This chapter will summarize recent findings of mutational activation of B-Raf in hum作者: bromide 時間: 2025-3-23 12:43 作者: 機(jī)密 時間: 2025-3-23 14:26 作者: Mhc-Molecule 時間: 2025-3-23 19:42 作者: 鞭子 時間: 2025-3-24 01:16
Brian F. G. Johnson,Adrian Bott,Robert E. Benfield,Dario Braga,Elisabeth A. Marseglia,Alison Rodger (power) and framings (control) are identified, namely: the national research assessment framework; the economic value of research; discourses of social and academic values; academic freedoms; and mixed-discipline research and the interdisciplinary nature of real world problems. Though competing and作者: 憤慨一下 時間: 2025-3-24 04:57 作者: 小蟲 時間: 2025-3-24 10:30 作者: burnish 時間: 2025-3-24 11:06
D. W. Goodmanaspects of the legislation. The four sections about EU chemical regulations (REACH, CLP, BPR and PIC) will be preceded by section introducing the situation prior REACH in order to show the contrast and revolutionary progress of existing EU legislation.作者: 驚惶 時間: 2025-3-24 15:24 作者: Platelet 時間: 2025-3-24 22:21 作者: 有特色 時間: 2025-3-25 02:47 作者: 材料等 時間: 2025-3-25 03:41
Michael B. Hallaspects of the legislation. The four sections about EU chemical regulations (REACH, CLP, BPR and PIC) will be preceded by section introducing the situation prior REACH in order to show the contrast and revolutionary progress of existing EU legislation.作者: 敬禮 時間: 2025-3-25 09:00
J. H. Sinfeltroximate model is established as an efficient method for RCS estimation of phased arrays. This book presents a detailed formulation of approximate method to determine RCS of phased arrays, which is explained us978-981-287-753-6978-981-287-754-3Series ISSN 2191-8112 Series E-ISSN 2191-8120 作者: 反對 時間: 2025-3-25 15:21
Richard J. Lagowtally, on the previous study. These studies include institutional profiles of higher education institutions, institutional case studies, and an international comparative survey that illuminates academics’ socia978-94-024-1337-3978-94-017-7369-0Series ISSN 2214-5346 Series E-ISSN 2543-0378 作者: Petechiae 時間: 2025-3-25 18:28 作者: 有節(jié)制 時間: 2025-3-25 23:56
Metal-Metal Bonds and Clusters in Chemistry and Catalysis978-1-4899-2492-6作者: Celiac-Plexus 時間: 2025-3-26 01:25
Theoretical Studies of Dinuclear Compounds with Multiple Metal-Metal Bondstation of its properties and reactivity in terms of some form of molecular orbital theory. Conversely, the metal-metal multiple bond problem provides a good test of the usefulness of an electronic structure method.作者: Communicate 時間: 2025-3-26 08:11
Metal Clusters in the Solid Statenonmetal p-orbitals (Be, B, C, N, Al, Si). or metal d-orbitals (Fe, Ru). with cluster orbitals of the same symmetry. Electron poor elements. such as Sc, Y, Ln (lanthanoids) and Zr can thereby be induced to form stable clusters, e.g., Cs.Zr.Cl.C, Y.I.Ru, Gd.Cl.(C.). and Sc(Sc.I.(B, C)).作者: ECG769 時間: 2025-3-26 11:05 作者: PAGAN 時間: 2025-3-26 15:55 作者: 性別 時間: 2025-3-26 20:11 作者: Expressly 時間: 2025-3-26 23:42 作者: 保存 時間: 2025-3-27 04:30 作者: Demonstrate 時間: 2025-3-27 09:09 作者: GEST 時間: 2025-3-27 10:10 作者: PHONE 時間: 2025-3-27 17:02 作者: 無能性 時間: 2025-3-27 20:45
Clusters and Their Implications for Catalyiseaction at a vacant site on a neighboring metal atom, e.g., .. The potential to exploit these transformations for the development of new catalysts has been one of the principal reasons for the great interest in the synthesis and study of these compounds..作者: 含沙射影 時間: 2025-3-27 23:29 作者: 擴(kuò)音器 時間: 2025-3-28 05:41 作者: 災(zāi)難 時間: 2025-3-28 09:28
A Quarter-Century of Metal-Metal Multiple Bondsugh I undertook a structural study of “CsReCl.,” without anticipating that it would turn out to be Cs.[Re.Cl.], the interpretation of that structure in terms of metal-metal bonds, but particularly double bonds, was almost automatic to me..作者: 過分自信 時間: 2025-3-28 14:20
Metal Clusters and Supported Metal Catalystsn petroleum naphtha reformers, consist of small metal aggregates dispersed on high-area supports or carriers. Understanding of the structures and properties of the metal aggregates is difficult because they are nonuniform in size, shape, interactions with the support, and (for many reactions) catalytic activity.作者: 先兆 時間: 2025-3-28 17:15
Selective Oxidation Chemistry on Soluble Oxides: A Progress Report simulate them with homogeneous analogues. The detailed mechanisms of methanol dehydrogenation and ethylene epoxidation are unclear, and even the vaguest outlines of the C-H activation mechanism involved in xylene and butane oxidations are obscure.作者: dendrites 時間: 2025-3-28 19:39 作者: Original 時間: 2025-3-29 00:32
Reactivity of Dinuclear and Tetranuclear Clusters of Molybdenum and Tungstent. Recent studies of the activation of carbon monoxide by W.(OR). and W.(OR). clusters are presented with the latter providing the first example of the stoichiometric cleavage of C≡O(shè) to carbide and oxide ligands on a cluster.作者: Incumbent 時間: 2025-3-29 04:37 作者: VEN 時間: 2025-3-29 08:07 作者: magnanimity 時間: 2025-3-29 15:04 作者: AIL 時間: 2025-3-29 16:52
Theoretical Studies of Dinuclear Compounds with Multiple Metal-Metal Bondsnds containing multiple bonds of order up to four have been synthesized, and a wealth of data concerning their structure, properties, and reactivity has been collected.. An exciting aspect of research in this field is the central role that both qualitative and quantitative electronic structure theor作者: Proponent 時間: 2025-3-29 20:44
Reactivity of Dinuclear and Tetranuclear Clusters of Molybdenum and Tungstenctive elimination sequences. Principles pertaining to the design of a catalytic system are discussed in light of the above and specific attention is given to the hydrogenation and isomerization of alkenes by W.(H).(OPr.).. Recent studies of the reductive coupling and selective cross coupling of keto作者: 出汗 時間: 2025-3-30 00:09 作者: GULP 時間: 2025-3-30 04:32
Metal Clusters in the Solid Statecompounds, cluster and metal-metal bonded species occur in binary halides (Nb, Ta, Mo, W, Re),. oxides (Nb, Mo, W, Tc, Re),. chalcogenides (Zr, Nb, Ta, Mo, Re). and pnictides (Zr, Hf, Nb, Ta, Mo, W, Re).. Ternary and quaternary phases containing a broad representation of metal ions A. (or B.), as in作者: Fibrillation 時間: 2025-3-30 08:52 作者: elastic 時間: 2025-3-30 15:52 作者: 排他 時間: 2025-3-30 17:07
Metal Clusters and Supported Metal Catalystsorganic chemist, a metal cluster is a compound with two (or perhaps three) or more metal atoms., whereas to most researchers in classical heterogeneous catalysis, a metal cluster is a small, discrete group of metal atoms (referred to here as a metal aggregate) dispersed on a support, typically a por作者: 脆弱吧 時間: 2025-3-30 22:05 作者: 讓你明白 時間: 2025-3-31 01:08 作者: 過分自信 時間: 2025-3-31 06:18
The Study of Clusters of Polylithium Organic Compounds and Structural Studies of Polylithium Organictural and reactivity point of view. These unusual clusters, such as (CLi.). and (CLi.H.)., were discovered by Richard Lagow and research associates in 1982. thus opening this field of chemistry for years of fascinating structural investigations to follow. Compounds from first row elements in which t作者: 定點 時間: 2025-3-31 09:42 作者: 使成整體 時間: 2025-3-31 17:05 作者: Cirrhosis 時間: 2025-3-31 19:55 作者: PANEL 時間: 2025-4-1 01:24
Solid State Carbon-13 NMR of Metal Carbonylse in the carbonyl region, has been shown to be correct by several subsequent investigations.[2] In fact the single resonance for Fe(CO). persists to ?160 °C.[3] The structure of iron pentacarbonyl in solution is trigonal bipyramidal thus the carbon-13 NMR spectrum for this complex should contain 2 s作者: 無能的人 時間: 2025-4-1 02:43 作者: Scintigraphy 時間: 2025-4-1 09:39
The Electronic Structure of Metal Dimers and Metal Clusters: The Eighteen-Electron Rule ,. Skeletal ompounds and “explanations” of the structure and bonding in known compounds. In metal dimers one often postulates the degree of metal-to-metal bonding by enforcing the 18-electron rule. As chemists made larger and larger clusters, there came the realization that the 18-electron rule was difficult, i作者: 潰爛 時間: 2025-4-1 11:56
Bruce E. Bursten,William F. Schneiderown in the RAMPs field.Provides information for scientists a.?Among the many GPCRs discovered, the calcitonin family of receptors comprise of members that regulate a number of physiological processes and are involved in many pathological conditions. Therefore, understanding how these receptors funct作者: 救護(hù)車 時間: 2025-4-1 16:03
Donald J. Darensbourg-related peptide (CGRP). RAMP1 has two main roles. It facilitates the cell-surface expression of CLR. It is also essential for the binding of CGRP to the receptor. It seems likely that Y66, F93, H97 and F101, amongst other residues, form a binding site for CLR. These cluster together on the same fac作者: elastic 時間: 2025-4-1 21:13
Malcolm H. Chisholmrprising that mutationally activated Ras proteins have been found in many human cancers. Determining the effector protein signaling pathways through which Ras causes cellular transformation is important for creating targeted therapeutics that will specifically block the oncogenic effects of activate作者: 載貨清單 時間: 2025-4-2 00:28
