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101.
102.
103.
Oleg Artyushin Evgenii Goryunov Konstantin Lyssenko Gerd-Volker Röschenthaler György Keglevich 《Journal of organometallic chemistry》2006,691(26):5547-5559
The synthetic approaches to cyclic phosphite and amido(diamido)phosphite ligands bearing the residues of electron withdrawing perfluorinated tails at the β-position to the phosphorus atom have been elaborated. Catalytic systems based on rhodium complexes of these ligands formed in situ using Rh(CO)2(acac) as a catalytic precursor demonstrate high activity in the hydroformylation of styrene along with good selectivity in respect to branched aldehyde. Quantum-chemical calculations proved that both the rate of the formation of branched alkyl complex, as well as its reactivity are influenced by the steric and electronic parameters in the same manner. 相似文献
104.
Yu. N. Belokon’ V. I. Maleev Z. T. Gugkaeva M. A. Moskalenko A. T. Tsaloev A. S. Peregudov S. Ch. Gagieva K. A. Lyssenko V. N. Khrustalev A. V. Grachev 《Russian Chemical Bulletin》2007,56(8):1507-1514
The synthesis of 1,2-, 1,3-, and 1,4-phenylene-bis[(4R,5R)-4,5-di(hydroxydiphenylmethyl)-1,3-dioxolane]s (ortho-, meta-, and para-bis-(R,R)-TADDOLs) and bis[4-{[(4R, 5R)-4,5-di(hydroxydiphenylmethyl)]-1,3-dioxolan-2-yl}phenyl]methane was carried out. The possibilities of the use of these compounds
as catalysts for the C-C bond formation in the addition of Me3SiCN to benzaldehyde and the oxirane ring opening in cyclohexene oxide by Me3SiCN were investigated. The catalytic activity of different bis-(R, R)-TADDOLs in this series depends on their structure.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1451–1458, August, 2007. 相似文献
105.
A. I. Uraev I. S. Vasil’chenko G. S. Borodkin I. G. Borodkina V. G. Vlasenko A. S. Burlov L. N. Divaeva K. A. Lyssenko M. Yu. Antipin A. D. Garnovskii 《Russian Chemical Bulletin》2005,54(3):633-640
New metal chelates of ZnII and CdII (ML2) based on (4Z)-3-methyl-1- phenyl-5-thioxo-1,5-dihydro-4-H-pyrazol-4-one quinolin-8-ylhydrazone (HL1) and (4Z)-5- methyl-2-phenyl-4-[(quinolin-8-ylimino)methyl]-2,4-dihydro-3H-pyrazole-3-thione (HL2) were synthesized. The structures of the metal chelates were studied by EXAFS and NMR (1H, 13C, and 111Cd) spectroscopy. The structure of the Cd(L1)2 complex was established by X-ray diffraction analysis. The complexes have pseudooctahedral structures with the N4S2 ligand environment.__________Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 3, pp. 623–629, March, 2005. 相似文献
106.
Maddalena Corsini Piero Zanello Alexander R. Kudinov Vladimir I. Meshcheryakov Dmitry S. Perekalin Konstantin A. Lyssenko 《Journal of Solid State Electrochemistry》2005,9(11):750-757
The redox aptitude of a series of cobalt(III) or cobalt(I) sandwich complexes bearing a charge compensated dicarbollide ligand
([9-L-7,8-C2B9H10]−) as a constant unit and different counterparts (varying from classical [7,8-C2B9H11]2− to charge-compensated [9-L-7,8-C2B9H10]− dicarbollides, from cyclopentadienyl [C5R5]− (R = Me, H) to cyclobutadiene [C4Me4]0 ligands) has been studied. All the Co(III) complexes display the reversible sequence Co(III)/Co(II)/Co(I). In contrast, the
Co(I) complexes (namely, those capped by tetramethylcyclobutadiene) accede reversibly only to the Co(II) oxidation state,
the passage to Co(III) being irreversible. When possible, the Co(II) intermediates have been characterized by EPR spectroscopy.
The molecular structures of the monocation [Co(η-9-SMe2-7,8-C2B9H10)2]+ in its DD/LL and meso diastereomeric forms as well as that of heteroleptic (η-7,8-C2B9H11)Co(η-9-SMe2-7,8-C2B9H10) have been obtained by single-crystal diffraction.
Presented at the 3rd Chianti Electrochemistry Meetings July 3−9, 2004, Certosa di Pontignano, Italy 相似文献
107.
Irene L. Odinets Natalya M. Vinogradova Konstantin A. Lyssenko Michail Yu. Antipin Pavel V. Petrovskii Tatyana A. Mastryukova 《Heteroatom Chemistry》2002,13(1):1-21
Intramolecular S‐alkylation in a series of ω‐haloalkyl‐substituted thiophosphorylacetonitriles 5–7 presents an effective synthetic route to the hitherto unknown 3‐cyano‐2‐oxo‐1,2‐thiaphospholanes 14 and thiaphosphinanes 15 . The compounds were obtained as a mixture of cis‐ and trans‐isomers that were resolved to individual stereoisomers in most cases. For some of them, X‐ray diffraction analysis has been performed. It was shown that 31P NMR spectroscopy can be used to assign the stereochemistry of 3‐cyano‐2‐oxo‐1,2‐thiaphosphacyclanes. © 2002 John Wiley & Sons, Inc. Heteroatom Chem 13:1–21, 2002; DOI 10.1002/hc.1101 相似文献
108.
Elena I. Lozinskaya Alexander S. Shaplov Mariya V. Kotseruba Lidiya I. Komarova Konstantin A. Lyssenko Mikhail Y. Antipin Denis G. Golovanov Yakov S. Vygodskii 《Journal of polymer science. Part A, Polymer chemistry》2006,44(1):380-394
The new convenient method for the synthesis of high molecular weight aromatic poly(1,3,4‐oxadiazole)s (PODs) has been proposed. These polymers were prepared by “one‐pot” procedure from dicarboxylic acid and hydrazine's salt (sulfate, phosphate) or dicarboxylic acid dihydrazides. The mixture of ionic liquid and triphenyl phosphite was used both as a solvent and condensing agent. The polycyclization occurred at a sufficiently low temperature of 210 °C for 2–5 h and resulted in obtaining film‐forming PODs having inherent viscosities up to 0.9 dL/g and good thermal stability. © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 44: 380–394, 2006 相似文献
109.
110.
Zhikol OA Shishkin OV Lyssenko KA Leszczynski J 《The Journal of chemical physics》2005,122(14):144104
The potential energy surface for the benzene dimer in stacked conformations (84 points calculated) was computed at the MP2(FC)6-31+G(2d,2p) level of theory. Electron density (ED) distribution computed using the MP2(FC), B3LYP, and Hartree-Fock methods with the same basis set is studied in the frame of topological analysis. It is found that ED topology does not depend on the method of calculation. The values of the ED and its Laplacian in the cage critical point calculated using different methods are determined to be linearly dependent with the slope depending on basis set. Correlation equations based on these properties allow the interaction energy between benzene rings to be predicted with 8% mean relative error in the energy for the given region of the potential energy surface. This provides a new method for the estimation of stacking interaction energy using ED properties calculated with low level quantum-chemical methods. 相似文献