標(biāo)題: Titlebook: Applications of Organometallic Chemistry in the Preparation and Processing of Advanced Materials; John F. Harrod,Richard M. Laine Book 199 [打印本頁] 作者: 是消毒 時(shí)間: 2025-3-21 17:25
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書目名稱Applications of Organometallic Chemistry in the Preparation and Processing of Advanced Materials影響因子(影響力)學(xué)科排名
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書目名稱Applications of Organometallic Chemistry in the Preparation and Processing of Advanced Materials讀者反饋
書目名稱Applications of Organometallic Chemistry in the Preparation and Processing of Advanced Materials讀者反饋學(xué)科排名
作者: Endoscope 時(shí)間: 2025-3-21 22:50
Geschichte der Sprunggelenk-Endoprothetik,ction into a sol or a gel which on drying and densification give a solid material. This allows the production of multicomponent materials with high purity and potentially greater chemical homogeneity at lower temperature. The molecular design of alkoxide precursors allows a chemical control over con作者: catagen 時(shí)間: 2025-3-22 00:49
Geschichte der Sprunggelenk-Endoprothetik,ts are required, which should improve selectivity and utilize cheaper feedstocks. Zero waste processes are a clear goal of the chemical industries [1]. Most “new” catalysts will be based on gradual improvements of known materials, but there is a demand for new catalysts with properties different fro作者: 和音 時(shí)間: 2025-3-22 07:09
https://doi.org/10.1007/978-3-642-76361-8 oligomeric or colloidal systems can be used as precursors. The synthesis reaction is mainly based on a hydro- lysis and condensation reaction. Through the condensation reaction metal oxygen metal bonds are formed leading to a three-dimensional network. While in silica systems in the majority of the作者: 預(yù)示 時(shí)間: 2025-3-22 09:47 作者: 健談 時(shí)間: 2025-3-22 13:45 作者: 死亡 時(shí)間: 2025-3-22 20:23
https://doi.org/10.1007/978-3-642-76361-8or the production of fibers [4], coatings [5] or reactive amorphous powders for sintering [6]. Two main routes are used to prepare the preceramic polymers, either the sol-gel process to get oxo-polymers, or organo-metallic chemistry to prepare essentially silicon-based polymers such as polysilanes, 作者: 松軟 時(shí)間: 2025-3-22 21:50
M. E. Safar,J. L. Cuche,B. M. Panniertz plates and polycrystalline alumina plates. The progress of pyrolysis chemistry can be easily monitored by FTIR on films supported on silicon, down to thicknesses as low as 10- 20 nm. The reactivity of PMS, or of polycarbosilane, with ammonia permits the homogeneous N-doping of these films and the作者: audiologist 時(shí)間: 2025-3-23 02:02
David S. Janowsky,Lewis L. Juddle polysilacarbosilanes (PSCS) or polysilasilazanes (PSSZ) which were easily transformed into polycarbosilanes (PCS) or polycarbosilazanes (PCSZ) respectively. This strategy provides an access to SiC and SiCN fibre precursors with variable Si/C/N ratios. The mechanisms involved in the preparation of作者: Cougar 時(shí)間: 2025-3-23 05:43 作者: 別名 時(shí)間: 2025-3-23 09:57 作者: Pander 時(shí)間: 2025-3-23 17:49 作者: cushion 時(shí)間: 2025-3-23 18:09 作者: 外面 時(shí)間: 2025-3-23 23:17 作者: 危險(xiǎn) 時(shí)間: 2025-3-24 04:29
The ethmoid bone and middle turbinate,ir bonding, structure and morphology, while in other cases it is because the small dimensions bring with it new phenomena arising from quantum confinement. Work is in progress in our group to investigate the changing properties of matter at different degrees of aggregation to provide a physical basi作者: 帽子 時(shí)間: 2025-3-24 10:33 作者: 喚起 時(shí)間: 2025-3-24 12:16
Opioid Control of Gonadotropin SecretionA macroscopic “Tinkertoy” [1] construction kit consists of rods and connectors that permit the production of nearly arbitrary constructs in the hands of a child. The current state of our attempts to develop a nanoscopic construction kit on a molecular scale, suitable for the synthesis of designer solids, is reviewed.作者: 極端的正確性 時(shí)間: 2025-3-24 15:50 作者: 增長 時(shí)間: 2025-3-24 21:57 作者: 輕觸 時(shí)間: 2025-3-25 00:59
https://doi.org/10.1007/978-94-011-0337-4ceramics; crystal; development; liquid; model; nuclear magnetic resonance (NMR); polymer; science; sol-gel作者: CLOUT 時(shí)間: 2025-3-25 04:11 作者: corporate 時(shí)間: 2025-3-25 10:09
M. E. Safar,J. L. Cuche,B. M. Pannierps around 300 and 400°C for W.O. and one distinct step around 300°C for MoO. leaving dimeric W.O. intermediate phase, monomeric WO. and MoO. final phase products, which can be reversibly oxidized in O. at 300°C back to starting metal(VI) oxides. Dimethylmetal precursors are anchored to the Br?nsted 作者: 性滿足 時(shí)間: 2025-3-25 15:39
M. E. Safar,J. L. Cuche,B. M. PannierThis polymer may be pyrolysed to give a silicon carbonitride product with an electronic conductivity in the same range as glassy carbon (10. -10. (Ω.cm).. Both FTIR and NMR spectrocopies have been used to determine the structure of the polymer and of the series of intermediate materials that are pro作者: Carcinogen 時(shí)間: 2025-3-25 17:14
Endorphins in Mental Health Researchd hydridopolycarbosilane (HPCS) derived from Grignard coupling of Cl.SiCH.Cl followed by LiAlH. reduction. This polymer thermosets on heating at 200–400 °C (or at 100 °C with a catalyst) and gives near stoichiometric SiC in ca. 80% yield on pyrolysis to 1000 °C. Unlike PSE which is difficult to prep作者: floodgate 時(shí)間: 2025-3-25 23:41
Endoscopic Anatomy of the Paranasal Sinusestiple additions occur, it is difficult to control the level (or stoichiometry) of addition and the regiochemistry of the addition. Separation of pure derivatives of the fullerenes frequently requires extensive chromatography. Crystallization of the fullerenes and their simple derivatives produces so作者: 使尷尬 時(shí)間: 2025-3-26 03:30 作者: 盡忠 時(shí)間: 2025-3-26 04:38 作者: Dendritic-Cells 時(shí)間: 2025-3-26 08:35
Hydridopolycarbosilane Precursors to Silicon Carbided hydridopolycarbosilane (HPCS) derived from Grignard coupling of Cl.SiCH.Cl followed by LiAlH. reduction. This polymer thermosets on heating at 200–400 °C (or at 100 °C with a catalyst) and gives near stoichiometric SiC in ca. 80% yield on pyrolysis to 1000 °C. Unlike PSE which is difficult to prep作者: 無表情 時(shí)間: 2025-3-26 13:54 作者: 革新 時(shí)間: 2025-3-26 17:06
Applications of Organometallic Chemistry in the Preparation and Processing of Advanced Materials作者: 食品室 時(shí)間: 2025-3-26 22:03 作者: invert 時(shí)間: 2025-3-27 04:47 作者: calumniate 時(shí)間: 2025-3-27 07:49 作者: 漸強(qiáng) 時(shí)間: 2025-3-27 09:58
Sol-Gel Methods for the Production of Novel Catalytic Materialsts are required, which should improve selectivity and utilize cheaper feedstocks. Zero waste processes are a clear goal of the chemical industries [1]. Most “new” catalysts will be based on gradual improvements of known materials, but there is a demand for new catalysts with properties different fro作者: curettage 時(shí)間: 2025-3-27 16:33 作者: 提名 時(shí)間: 2025-3-27 21:24
Chemicals, Polymers and Ceramics from the Beach. II.or dianionic hexacoordinated silicon complexes. We report here that the use of strong amine bases can be used in catalytic or stoichiometric quantities to form neutral tetracoordinate siloxanes containing only silicon and ethylene glycol or silicon, triethanolamine and ethy- lene glycol (silatrane g作者: 議程 時(shí)間: 2025-3-27 22:37
Use of Organometallics and Metal Carbonyls for Intrazeolite Cluster Formationtal chalcogenides, respectively. These nanoclusters show optical and electronic properties different from the parent bulk semiconductors (quantum size effects). In the synthesis of these novel materials, metal carbonyls and organometallics are sublimed from the vapor phase into supercages of zeolite作者: 補(bǔ)充 時(shí)間: 2025-3-28 04:55 作者: Engulf 時(shí)間: 2025-3-28 07:56 作者: scrutiny 時(shí)間: 2025-3-28 11:18 作者: 權(quán)宜之計(jì) 時(shí)間: 2025-3-28 15:43 作者: Commodious 時(shí)間: 2025-3-28 22:05 作者: brother 時(shí)間: 2025-3-29 02:26
Ceramics from Molecular Precursors Transition Metal Activation of Silicon-Carbide Precursorsbeen made to prepare new polymeric precursors with various elemental compositions, with rheological properties allowing to fabricate them into useful forms and also to obtain a better understanding of the ceramisation processes.. Whatever is the use of a preceramic polymer: fiber, coating, binder, m作者: definition 時(shí)間: 2025-3-29 05:21 作者: entice 時(shí)間: 2025-3-29 11:15 作者: 鬼魂 時(shí)間: 2025-3-29 14:43 作者: dearth 時(shí)間: 2025-3-29 18:30
Construction of Ordered Solids and Polymers from Fullerene Components properties some of which can be predicted, others of which can only be discovered. Since the revelation that these molecules, which were originally only available as exotic gas phase entities [1], can be made and chemically purified in macroscopic amounts [2,3]; there has been a flurry of interest 作者: Hallmark 時(shí)間: 2025-3-29 20:52 作者: Influx 時(shí)間: 2025-3-30 03:14 作者: KIN 時(shí)間: 2025-3-30 05:40 作者: Predigest 時(shí)間: 2025-3-30 11:22
Endorphins in Mental Health Researchnt pyrolysis of the polymer fiber providing the ceramic fiber [1,2]. The intermediate curing step results in an increased cross-linking of the polymer and hence in the formation of an infusible polymer fiber necessary for the shape retaining thermal conversion into the ceramic material.作者: RAFF 時(shí)間: 2025-3-30 13:02 作者: Lament 時(shí)間: 2025-3-30 17:01
Chemicals, Polymers and Ceramics from the Beach. II.s to form neutral tetracoordinate siloxanes containing only silicon and ethylene glycol or silicon, triethanolamine and ethy- lene glycol (silatrane glycol). We also find that aluminum hydroxide will dissolve under similar conditions to form alumatranes.作者: STAT 時(shí)間: 2025-3-31 00:05
Sic and SiCN Based-Materials : The Model and Copolymer Ways for a Rational Approach to Their Precursectively. This strategy provides an access to SiC and SiCN fibre precursors with variable Si/C/N ratios. The mechanisms involved in the preparation of the monomers and the copolymers were investigated, as well as the thermal conversion of these polymers into preceramic precursors by using PCSZ and N-rich PSSZ models.作者: echnic 時(shí)間: 2025-3-31 03:59
Non-Oxide Silicon-Based Ceramics from Novel Silicon Polymersnt pyrolysis of the polymer fiber providing the ceramic fiber [1,2]. The intermediate curing step results in an increased cross-linking of the polymer and hence in the formation of an infusible polymer fiber necessary for the shape retaining thermal conversion into the ceramic material.作者: N斯巴達(dá)人 時(shí)間: 2025-3-31 07:54
Organosilicon polymers with bis-acetylenic units: conductivity and ceramisation studies non linear optic properties [1] have been reported. The present paper describes the synthesis (conductivity experiments, and transformation into ceramics) of polymers containing disubstituted silicon atoms alternated with bisacetylenic moieties [2].作者: 不適 時(shí)間: 2025-3-31 12:35 作者: implore 時(shí)間: 2025-3-31 17:10
Endorphins in Reproduction and Stressyanines and a cyclodextrin with a covalently attached pendant fluorophore have been entrapped in sol-gel glasses. Optical absorption changes in the former on exposure to NO. and a decrease in fluorescence of the latter on exposure to toluene have been demonstrated.作者: Anticoagulant 時(shí)間: 2025-3-31 17:33 作者: 單獨(dú) 時(shí)間: 2025-4-1 00:48
