標(biāo)題: Titlebook: Olefin Metathesis and Polymerization Catalysts; Synthesis, Mechanism Yavuz ?mamo?lu,Birgül Zümreo?lu-Karan,Allan J. Ama Book 1990 Springer [打印本頁] 作者: 變更 時(shí)間: 2025-3-21 16:39
書目名稱Olefin Metathesis and Polymerization Catalysts影響因子(影響力)
書目名稱Olefin Metathesis and Polymerization Catalysts影響因子(影響力)學(xué)科排名
書目名稱Olefin Metathesis and Polymerization Catalysts網(wǎng)絡(luò)公開度
書目名稱Olefin Metathesis and Polymerization Catalysts網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Olefin Metathesis and Polymerization Catalysts被引頻次
書目名稱Olefin Metathesis and Polymerization Catalysts被引頻次學(xué)科排名
書目名稱Olefin Metathesis and Polymerization Catalysts年度引用
書目名稱Olefin Metathesis and Polymerization Catalysts年度引用學(xué)科排名
書目名稱Olefin Metathesis and Polymerization Catalysts讀者反饋
書目名稱Olefin Metathesis and Polymerization Catalysts讀者反饋學(xué)科排名
作者: Noctambulant 時(shí)間: 2025-3-21 21:51 作者: cleaver 時(shí)間: 2025-3-22 03:24
E. Garrone,G. Ghiotti,A. Zecchina back rooms of schools, and in boarding houses. Co-workers were often members of the family, companions and neighbours. With the rise of modern technology — electrification, motorised transportation, communication systems — and the growing importance of the bureaucratic work organisation, the separa作者: 愛哭 時(shí)間: 2025-3-22 05:06
A. Ellison back rooms of schools, and in boarding houses. Co-workers were often members of the family, companions and neighbours. With the rise of modern technology — electrification, motorised transportation, communication systems — and the growing importance of the bureaucratic work organisation, the separa作者: 紡織品 時(shí)間: 2025-3-22 09:36
Roland Streck back rooms of schools, and in boarding houses. Co-workers were often members of the family, companions and neighbours. With the rise of modern technology — electrification, motorised transportation, communication systems — and the growing importance of the bureaucratic work organisation, the separa作者: GLUE 時(shí)間: 2025-3-22 14:58 作者: Systemic 時(shí)間: 2025-3-22 21:01 作者: Feedback 時(shí)間: 2025-3-22 22:46
Electrochemical Generation of Catalysts for Alkene Metathesis solvents under controlled potential at a platinum cathode with an aluminium anode gives in situ formation of the active species “([W]=CH.).(AlCl.).”. The initial rates of catalysis is very high with a substrate such as 2-pentene, with nearly 100% selectivity. Stability is defined by the fact that t作者: 知識(shí)分子 時(shí)間: 2025-3-23 03:43
Catalysts for the Homogeneous Metathesis of Functionalized Olefinsthesis of valuable organic products that cannot be made in any other way or only with great difficulty. Difunctional olefins, for example, that would otherwise require several reaction steps can be synthesized in one step:.in which R is an H atom or an alkyl group and X is the functional group conta作者: Eulogy 時(shí)間: 2025-3-23 07:44 作者: faultfinder 時(shí)間: 2025-3-23 11:37 作者: Intrepid 時(shí)間: 2025-3-23 15:43
Tacticity in Polymers Initiated by Metathesis Polymerization: Effect of Catalyst which the propagating metal-carbene complex has a chiral metal centre. Results are presented for the polymers of some symmetricaliy substituted norbornenes, some unsymmetricaliy substituted norbornenes, some symmetrically substituted norbornadienes and a symmetricaliy substituted 7-oxanorbomene. In作者: ARM 時(shí)間: 2025-3-23 19:05
Degradation of Polymers by Metathesis Catalystscopolymers) and technical products containing polymers. In most cases, the polymers are degraded to low-molecular-weight substances which are separated and quantitatively determined by gas chromatography (GC) and identified by mass spectrometry (MS). But there are also applications where a crosslink作者: 共同確定為確 時(shí)間: 2025-3-24 01:10
Metathesis Polymerization by Homogeneous Catalysts: Simulationsogeneous catalysts. Concentration changes or the products and those of the starting olefins were monitored by withdrawing samples from the reaction mixtures and analyzing by GC-MS. A chemical mechanism was constructed from carbene reactions such as polymerization, termination, initiation, chain-tran作者: Hypomania 時(shí)間: 2025-3-24 04:49
General Properties of Supported Metathesis Catalystson metal compound deposited on a high-surf ace-area support. The most successful catalysts are those based on rhenium, molybdenum or tungsten. Important examples are Re.O./Al.O., MoO./Al.O. and WO./Al.O.. In particular Re.O./Al.O. should be mentioned because it is already highly active and selective作者: 不舒服 時(shí)間: 2025-3-24 09:56 作者: 有其法作用 時(shí)間: 2025-3-24 13:47
Novel Supported Catalysts for Terminal Alkene Metathesis.) into catalysts for terminal alkene metathesis, which accompany no hydrogen shift and isomerization of the produced alkenes. Making use of the advantage some applications are reviewed and the relative activities of metallacyclobutane (MCB) intermediates are elucidated on MoO./TiO.-SnMe. with an eq作者: 預(yù)示 時(shí)間: 2025-3-24 18:52 作者: faddish 時(shí)間: 2025-3-24 19:57
Stoichiometric Reactions with Reduced Phillips CatalystReduced Phillips catalysts contain — together with some inactive Cr(III)oxide — Cr(II) surface species in different coordination states. The reaction with ligands will therefore usually yield a mixture of different surface compounds, i.e. complexes of different stoichiometry, besides unreacted Cr(II作者: Mast-Cell 時(shí)間: 2025-3-25 00:04 作者: Favorable 時(shí)間: 2025-3-25 05:57
“Non-Chromium” Surface Compounds give similar species, either by reduction of a mixed surface anhydride or by thermal treatment of low valency surface “salts”. Here systems with V, Mo and Fe will be discussed, with a short look to Ti, Co, Ni and Cu... can be fixed to silicagel by a redox cycle (O./500°C; CO/600°C); in the resultin作者: Muscularis 時(shí)間: 2025-3-25 07:55 作者: 丑惡 時(shí)間: 2025-3-25 15:05 作者: 殺人 時(shí)間: 2025-3-25 18:24 作者: 結(jié)構(gòu) 時(shí)間: 2025-3-25 21:20 作者: MAPLE 時(shí)間: 2025-3-26 03:46 作者: Factorable 時(shí)間: 2025-3-26 06:55 作者: 傾聽 時(shí)間: 2025-3-26 12:28
Block Copolymers by Anionic to Metathesis Transformation Reactions Ziegler Natta polymerizations. In these cases the polymerization mechanisms have been well-established and the synthesis of the copolymers has been the principal objective. We have used the synthesis of copolymers as a means to elucidate the mechanism of initiation of metathesis.作者: 無法治愈 時(shí)間: 2025-3-26 13:20 作者: 清唱?jiǎng)?nbsp; 時(shí)間: 2025-3-26 17:47
Characterisation of Rhenium Oxide/Alumina Metathesis Catalyststh the influence of the pore structure and surface area of the support. The catalytic activity of unsaturated esters in the metathesis reaction is studied and correlations established between the activity and the structure and nature of the supported rhenium.作者: 決定性 時(shí)間: 2025-3-26 21:42
Coordination Chemistry of Silica Supported Cr Ions: Types of Cr(II) Ions on Reduced Samplesinds of ions to be diseriminated, so that relative populations, coordinative chemistry and polymerization ability can be established. Species A are definitely the most reactive and comprise the sites active for ethylene polymerization.作者: 使絕緣 時(shí)間: 2025-3-27 04:44
Structural Analysis of Supported Chromium Systemsispersion and of the oxidation state of the supported chromium. To achieve this reconciliation it is necessary to review the data in the context of a range of chromium loadings on the support and for a wide range of calcination temperatures.作者: 受辱 時(shí)間: 2025-3-27 05:58
Industrial Aspects of Olefin Metathesis/Polymerization Catalystsir Robert Robinson, even called it the most remarkable discovery since Ziegler-Natta polymerization [1]. Actually, in its earliest roots, it can be traced back to the same origins; thus, metathesis is already older than quite a part of this audience.作者: ALB 時(shí)間: 2025-3-27 09:33 作者: 串通 時(shí)間: 2025-3-27 16:08
Degradation of Polymers by Metathesis Catalysts investigation of copolymers, identification of isomeric structures in subsequently modified polymers, proof of a random distribution of the reaction sites in polymer-analogous reactions, and evidence of reactions at substituents. Application of metathesis degradation is in suitable cases superior to spectroscopic investigation methods.作者: Consequence 時(shí)間: 2025-3-27 18:59 作者: 技術(shù) 時(shí)間: 2025-3-27 22:29
Electrochemical Generation of Catalysts for Alkene Metathesisal by-products and labelling experiments conducted with CD.Cl., it is shown that the metallacarbene initiator arises from a reaction between the transition metal salt and an organoaluminium compound generated in situ by an EC mechanism.作者: Comprise 時(shí)間: 2025-3-28 03:48 作者: 步兵 時(shí)間: 2025-3-28 07:25 作者: legacy 時(shí)間: 2025-3-28 14:25 作者: indemnify 時(shí)間: 2025-3-28 17:11 作者: 同來核對(duì) 時(shí)間: 2025-3-28 22:11
Nato Science Series C:http://image.papertrans.cn/o/image/700841.jpg作者: 開花期女 時(shí)間: 2025-3-29 01:55 作者: 諄諄教誨 時(shí)間: 2025-3-29 04:48 作者: 乞丐 時(shí)間: 2025-3-29 09:26
Surface Functionalization of Supported Catalystsunctionalization of solid surface to alkene metathesis based on initial alkylidene formation process. In addition to these scientific observations, the mechanism of initial alkylidene formation on MoO./TiO. and grafting of CH. species as the significant function on the surface with SnMe. are also reported.作者: 領(lǐng)先 時(shí)間: 2025-3-29 15:12
Yavuz ?mamo?lu,Birgül Zümreo?lu-Karan,Allan J. Ama作者: 晚間 時(shí)間: 2025-3-29 18:44 作者: CLAMP 時(shí)間: 2025-3-29 19:42
H. L. Krauss,G. Guldner,M. Hornscheidt,N. Larsen,R. Merkel,P. Morys,S. Schmerbeck,P. Zahnl meaning of time — the 9 to 5 workday versus the weekend. But today, wireless technologies, which help people cross space, time, activity and social networks, promise to bring us back to earlier times when the boundary between work and personal life was less distinct, and to influence the meaning o作者: 自作多情 時(shí)間: 2025-3-30 01:07
E. Garrone,G. Ghiotti,A. Zecchinal meaning of time — the 9 to 5 workday versus the weekend. But today, wireless technologies, which help people cross space, time, activity and social networks, promise to bring us back to earlier times when the boundary between work and personal life was less distinct, and to influence the meaning o作者: Exploit 時(shí)間: 2025-3-30 07:11
A. Ellisonl meaning of time — the 9 to 5 workday versus the weekend. But today, wireless technologies, which help people cross space, time, activity and social networks, promise to bring us back to earlier times when the boundary between work and personal life was less distinct, and to influence the meaning o作者: 柔美流暢 時(shí)間: 2025-3-30 10:58 作者: 嬰兒 時(shí)間: 2025-3-30 16:03
1389-2185 studies for the characteriZation of catalysts, simulation studies explaining the function of chain carrier species and polymer degradation have also been covere978-94-010-5470-6978-94-011-3328-9Series ISSN 1389-2185 作者: Compassionate 時(shí)間: 2025-3-30 19:37 作者: paradigm 時(shí)間: 2025-3-30 23:53 作者: cogitate 時(shí)間: 2025-3-31 03:53 作者: Magnificent 時(shí)間: 2025-3-31 05:32
Metathesis Polymerization by Homogeneous Catalysts: Simulationstiation by alkylidene carbenes and the propagation of ring opening polymerization of cyclopentene.The rate constant of chain-transfer to terminal olefin by formation of an alkylidene carbene is somewhat greater than the rate constant of the propagation. However, the rate constant of chain-transfer i作者: FECT 時(shí)間: 2025-3-31 12:23 作者: monologue 時(shí)間: 2025-3-31 16:28 作者: Ceremony 時(shí)間: 2025-3-31 18:59
“Non-Chromium” Surface Compounds product holds the metal in a gross oxidation state of 3.2 to 3.7; the intermediate surface V (V) species occurs in tetrahedral and octahedral coordination (SERS, NMR-MAS). O. oxidizes back to V(V) (peroxo intermediate); halogens give V(IV)X, which can be converted to V(IV)R. The active V(III) react作者: Abduct 時(shí)間: 2025-3-31 23:21 作者: engender 時(shí)間: 2025-4-1 04:12
Jianhua Qian,Honghai Liu,Dalin Zhoulude young inhabitants, as well as those whose access to the digital sphere is challenged, to the discourse on data and its implications for everyday city life, planning, and design. As a workshop outcome a city of sound was crafted from wood. Equipped with programmable micro-boards this wooden arti作者: 震驚 時(shí)間: 2025-4-1 07:23 作者: fastness 時(shí)間: 2025-4-1 13:13
Acoustic Schwannomasr was the first international acoustic “neuroma” conference held in Copenhagen, where top expertise from all relevant specialities and most parts of the world were present. On the basis of data provided from these two sources, it is fair to say that there is a considerable range of opinion on the su作者: lesion 時(shí)間: 2025-4-1 16:27
Roland Schuetzen my research adopt these dark green elements despite the opposition to institutionalised religion, as well as the conflicts inherent in their multivalent involvement in these groups and their faith/activist identities.作者: sphincter 時(shí)間: 2025-4-1 20:57
the high risk of the death signalled by their coexistence and the considerable epidemiological burden imposed by this link is at the basis of the emergence of a new discipline aiming at making the borders between nephrology and cardiovascular medicine even more permeable than before. The term Cardio作者: dura-mater 時(shí)間: 2025-4-2 01:38 作者: diabetes 時(shí)間: 2025-4-2 04:21
