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991.
Roland Beyer Arnd R. Junghans Peter Schillebeeckx Ivan Sirakov Tae-Yung Song Daniel Bemmerer Roberto Capote Anna Ferrari Andreas Hartmann Ronald Hannaske Jan Heyse Hyeon Il Kim Jong Woon Kim Toni Kögler Cheol Woo Lee Young-Ouk Lee Ralph Massarczyk Stefan E. Müller Tobias P. Reinhardt Marko Röder Konrad Schmidt Ronald Schwengner Tamás Szücs Marcell P. Takács Andreas Wagner Louis Wagner Sung-Chul Yang 《The European Physical Journal A - Hadrons and Nuclei》2018,54(5):81
992.
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994.
Dr. Louis P. Conway Dr. Veronica Rendo M. Sc. Mário S. P. Correia Prof. Dr. Ingvar A. Bergdahl Prof. Dr. Tobias Sjöblom Prof. Dr. Daniel Globisch 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2020,132(34):14448-14452
N-Acetyltransferases play critical roles in the deactivation and clearance of xenobiotics, including clinical drugs. NAT2 has been classified as an arylamine N-acetyltransferase that mainly converts aromatic amines, hydroxylamines, and hydrazines. Herein, we demonstrate that the human arylamine N-acetyltransferase NAT2 also acetylates aliphatic endogenous amines. Metabolomic analysis and chemical synthesis revealed increased intracellular concentrations of mono- and diacetylated spermidine in human cell lines expressing the rapid compared to the slow acetylator NAT2 phenotype. The regioselective N8-acetylation of monoacetylated spermidine by NAT2 answers the long-standing question of the source of diacetylspermidine. We also identified selective acetylation of structurally diverse alkylamine-containing drugs by NAT2, which may contribute to variations in patient responses. The results demonstrate a previously unknown functionality and potential regulatory role for NAT2, and we suggest that this enzyme should be considered for re-classification. 相似文献
995.
Michele Cacioppo Tobias Scharl Luka orevi Alejandro Cadranel Francesca Arcudi Dirk M. Guldi Maurizio Prato 《Angewandte Chemie (International ed. in English)》2020,59(31):12779-12784
Carbon dots (CDs) and their derivatives are useful platforms for studying electron‐donor/acceptor interactions and dynamics therein. Herein, we couple amorphous CDs with phthalocyanines (Pcs) that act as electron donors with a large extended π‐surface and intense absorption across the visible range of the solar spectrum. Investigations of the intercomponent interactions by means of steady‐state and pump‐probe transient absorption spectroscopy reveal symmetry‐breaking charge transfer/separation and recombination dynamics within pairs of phthalocyanines. The CDs facilitate the electronic interactions between the phthalocyanines. Thus, our findings suggest that CDs could be used to support electronic couplings in multichromophoric systems and further increase their applicability in organic electronics, photonics, and artificial photosynthesis. 相似文献
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997.
Konarovskyi Vitalii Lehmann Tobias von Renesse Max 《Journal of statistical physics》2020,178(3):666-681
Journal of Statistical Physics - We consider the Dean–Kawasaki equation with smooth drift interaction potential and show that measure-valued solutions exist only in certain parameter regimes... 相似文献
998.
Dr. Peng Xu Dr. Da Zhao Dr. Florian Berger Aboubakr Hamad Dr. Jens Rickmeier Roland Petzold Mykhailo Kondratiuk Kostiantyn Bohdan Prof. Dr. Tobias Ritter 《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2020,132(5):1972-1976
Site-selective functionalization of C−H bonds in small complex molecules is a long-standing challenge in organic chemistry. Herein, we report a broadly applicable and site-selective aromatic C−H dibenzothiophenylation reaction. The conceptual advantage of this transformation is further demonstrated through the two-step C−H [18F]fluorination of a series of marketed small-molecule drugs. 相似文献
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1000.
Sebastian Fichter Sebastian Kaufmann Dr. Peter Kaden Dr. Tobias S. Brunner Prof. Dr. Thorsten Stumpf Prof. Dr. Peter W. Roesky Dr. Juliane März 《Chemistry (Weinheim an der Bergstrasse, Germany)》2020,26(41):8867-8870
The synthesis of a tetravalent neptunium amidinate [NpCl((S)-PEBA)3] ( 1 ) ((S)-PEBA=(S,S)-N,N′-bis-(1-phenylethyl)-benzamidinate) is reported. This complex represents the first structurally characterized enantiopure transuranic compound. Reactivity studies with halide/pseudohalides yielding [NpX((S)-PEBA)3] (X=F ( 2 ), Br ( 3 ), N3 ( 4 )) have shown that the chirality-at-metal is preserved for all compounds in the solid state. Furthermore, they represent an unprecedented example of a structurally characterized metal–organic Np complex featuring a Np−Br ( 3 ) bond. In addition, 4 is the only reported tetravalent transuranic azide. All compounds were additionally characterized in solution using para-magnetic NMR spectroscopy showing an expected C3-symmetry at low temperatures. 相似文献