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Crystal structure of a second polymorph of tetra-kis-(pyridin-2-yl)methane. 四基-(吡啶-2-基)甲烷第二多晶型的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-21 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814025057
Kouzou Matsumoto, Masaki Kannami, Akira Fuyuhiro, Masaji Oda
{"title":"Crystal structure of a second polymorph of tetra-kis-(pyridin-2-yl)methane.","authors":"Kouzou Matsumoto,&nbsp;Masaki Kannami,&nbsp;Akira Fuyuhiro,&nbsp;Masaji Oda","doi":"10.1107/S1600536814025057","DOIUrl":"https://doi.org/10.1107/S1600536814025057","url":null,"abstract":"<p><p>A second polymorph of the title compound, C21H16N4, is reported. The original polymorph was solved by our group [Matsumoto et al. (2003 ▶). Tetra-hedron Lett. 44, 2861-2864] in the monoclinic space group C2/c and refined to R = 0.050. Now the crystal structure of a tetra-gonal polymorph (space group P-421 c) has been solved and refined to R = 0.036. In the crystal, there are no strong inter-molecular inter-actions. Reflecting the high symmetry of the mol-ecular structure, the asymmetric unit is a quarter of the mol-ecule, and the mol-ecule exhibits S4 symmetry along the c axis in the crystal. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Crystal structures of three lead(II) acetate-bridged di-amino-benzene coordination polymers. 三种醋酸铅桥接二氨基苯配位聚合物的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-21 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814025380
David K Geiger, Dylan E Parsons, Patricia L Zick
{"title":"Crystal structures of three lead(II) acetate-bridged di-amino-benzene coordination polymers.","authors":"David K Geiger,&nbsp;Dylan E Parsons,&nbsp;Patricia L Zick","doi":"10.1107/S1600536814025380","DOIUrl":"https://doi.org/10.1107/S1600536814025380","url":null,"abstract":"<p><p>Poly[tris-(acetato-κ(2) O,O')(μ2-acetato-κ(3) O,O':O)tetra-kis-(μ3-acetato-κ(4) O,O':O:O')bis-(benzene-1,2-di-amine-κN)tetra-lead(II)], [Pb4(CH3COO)8(C6H8N2)2] n , (I), poly[(acetato-κ(2) O,O')(μ3-acetato-κ(4) O,O':O:O')(4-chloro-benzene-1,2-diamine-κN)lead(II)], [Pb(CH3COO)2(C6H7ClN2)] n , (II), and poly[(κ(2) O,O')(μ3-acetato-κ(4) O,O':O:O')(3,4-di-amino-benzo-nitrile-κN)lead(II)], [Pb(CH3COO)2(C7H7N3)] n , (III), have polymeric structures in which monomeric units are joined by bridging acetate ligands. All of the Pb(II) ions exhibit hemidirected coordination. The repeating unit in (I) is composed of four Pb(II) ions having O6, O6N, O7 and O6N coordination spheres, respectively, where N represents a monodentate benzene-1,2-di-amine ligand and O acetate O atoms. Chains along [010] are joined by bridging acetate ligands to form planes parallel to (10-1). (II) and (III) are isotypic and have one Pb(II) ion in the asymmetric unit that has an O6N coordination sphere. Pb2O2 units result from a symmetry-imposed inversion center. Polymeric chains parallel to [100] exhibit hydrogen bonding between the amine and acetate ligands. In (III), additional hydrogen bonds between cyano groups and non-coordinating amines join the chains by forming R 2 (2)(14) rings. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025380","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32946965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Crystal structure of 4-meth-oxy-quinazoline. 4-甲氧基喹唑啉的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-21 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814025082
Gamal A El-Hiti, Keith Smith, Amany S Hegazy, Mohammed B Alshammari, Benson M Kariuki
{"title":"Crystal structure of 4-meth-oxy-quinazoline.","authors":"Gamal A El-Hiti, Keith Smith, Amany S Hegazy, Mohammed B Alshammari, Benson M Kariuki","doi":"10.1107/S1600536814025082","DOIUrl":"10.1107/S1600536814025082","url":null,"abstract":"<p><p>The title compound, C9H8N2O, is almost planar, with the C atom of the meth-oxy group deviating from the mean plane of the quinazoline ring system (r.m.s. deviation = 0.011 Å) by 0.068 (4) Å. In the crystal, mol-ecules form π-π stacks parallel to the b-axis direction [centroid-centroid separation = 3.5140 (18) Å], leading to a herringbone packing arrangement. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257374/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystal structure of 2-[(di-chloro-methane)sulfon-yl]pyridine. 2-[(di-chloro-methane)sulfon-yl]pyridine 的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-21 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814025148
Zhiqiu Chen, Hembat Bolat, Xing Wan, Ya Li
{"title":"Crystal structure of 2-[(di-chloro-methane)sulfon-yl]pyridine.","authors":"Zhiqiu Chen, Hembat Bolat, Xing Wan, Ya Li","doi":"10.1107/S1600536814025148","DOIUrl":"10.1107/S1600536814025148","url":null,"abstract":"<p><p>The asymmetric unit of the title compound, C6H5Cl2NO2S, contains two mol-ecules with similar conformations (r.m.s. overlay fit for the non-H atoms = 0.067 Å). Atoms attached to the pendent Csp (3)-S bond are arranged in a staggered conformation with one of the Cl atoms anti to the C atom in the aromatic ring [C-S-C-Cl torsion angles = 178.41 (11) and -176.70 (13)°]. In the crystal, mol-ecules are linked by C-H⋯N and C-H⋯O hydrogen bonds, generating a three-dimensional network, and weak aromatic π-π stacking is also observed [centroid-centroid separation = 3.8902 (17) Å]. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4257385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystal structure of (3,5-di-chloro-2-hy-droxy-phen-yl){1-[(naphthalen-1-yl)carbon-yl]-1H-pyrazol-4-yl}methanone. (3,5-二氯-2-羟基苯基){1-[(萘-1-基)碳基]- 1h -吡唑-4-基}甲烷的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814024684
Yoshinobu Ishikawa, Yuya Motohashi
{"title":"Crystal structure of (3,5-di-chloro-2-hy-droxy-phen-yl){1-[(naphthalen-1-yl)carbon-yl]-1H-pyrazol-4-yl}methanone.","authors":"Yoshinobu Ishikawa,&nbsp;Yuya Motohashi","doi":"10.1107/S1600536814024684","DOIUrl":"https://doi.org/10.1107/S1600536814024684","url":null,"abstract":"<p><p>The title compound, C21H12Cl2N2O3, is a 1,4-diaroyl pyrazole derivative and has three aromatic rings. The dihedral angles between the naphthalene ring system and the pyrazole ring, the pyrazole and phenyl rings and the naphthalene ring system and the phenyl ring are 49.44 (13), 49.87 (16) and 0.58 (11)°, respectively. The phenolic proton forms an intra-molecular O-H⋯O hydrogen bond with an adjacent carbonyl O atom. In the crystal, the mol-ecules are linked through stacking inter-actions between the pyrazole rings [centroid-centroid distances = 3.546 (3)] and between the naphthalene ring system and the phenyl ring [centroid-centroid distances = 3.609 (4) Å] along the a-axis direction. The mol-ecules are further connected through C-H⋯O hydrogen bonds, forming inversion dimers. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024684","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Crystal structure of catena-poly[[(3-tert-butyl-pyridine-κN)(4-tert-butyl-pyridine-κN)cadmium]-di-μ-thio-cyanato-κ(2) N:S;κ(2) S:N]. catena-poly[[(3-叔丁基吡啶-κN)(4-叔丁基吡啶-κN)镉]-di-μ-硫代氰基-κ(2) N:S;κ(2) S:N]的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814024647
Julia Werner, Thorben Reinert, Inke Jess, Christian Näther
{"title":"Crystal structure of catena-poly[[(3-tert-butyl-pyridine-κN)(4-tert-butyl-pyridine-κN)cadmium]-di-μ-thio-cyanato-κ(2) N:S;κ(2) S:N].","authors":"Julia Werner,&nbsp;Thorben Reinert,&nbsp;Inke Jess,&nbsp;Christian Näther","doi":"10.1107/S1600536814024647","DOIUrl":"https://doi.org/10.1107/S1600536814024647","url":null,"abstract":"<p><p>In the crystal structure of the title compound, [Cd(NCS)2(C9H13N)2] n , the Cd(II) cations are coordinated in a slightly distorted octa-hedral geometry by one 3-tert-butyl-pyridine ligand, one 4-tert-butyl-pyridine ligand and two pairs of translationally-equivalent μ-1,3-bridging thio-cyanate ligands, all of which are in general positions. These μ-1,3-bridging thio-cyante anions bridge the Cd(II) cations, forming chains that propagate parallel to the b axis. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024647","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystal structure of ethyl 2-(2-fluoro-benzyl-idene)-5-(4-fluoro-phen-yl)-7-methyl-3-oxo-2,3-di-hydro-5H-1,3-thia-zolo[3,2-a]pyrimidine-6-carb-oxy-late. 2-(2-氟-苄基)-5-(4-氟-苯基)-7-甲基-3-氧-2,3-二氢- 5h -1,3-噻吩-唑[3,2-a]嘧啶-6-碳水化合物氧-晚期化合物的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814025008
M S Krishnamurthy, Noor Shahina Begum
{"title":"Crystal structure of ethyl 2-(2-fluoro-benzyl-idene)-5-(4-fluoro-phen-yl)-7-methyl-3-oxo-2,3-di-hydro-5H-1,3-thia-zolo[3,2-a]pyrimidine-6-carb-oxy-late.","authors":"M S Krishnamurthy,&nbsp;Noor Shahina Begum","doi":"10.1107/S1600536814025008","DOIUrl":"https://doi.org/10.1107/S1600536814025008","url":null,"abstract":"<p><p>In the title mol-ecule, C23H18F2N2O3S, the 4-fluoro-substituted and 2-fluoro-substituted benzene rings form dihedral angles of 88.16 (8) and 23.1 (1)°, respectively, with the thia-zole ring. The pyrimidine ring adopts a flattened sofa conformation with the sp (3)-hydridized C atom forming the flap. In the crystal, pairs of weak C-H⋯O hydrogen bonds link mol-ecules related by twofold rotation axes, forming R (2) 2(10) rings, which are in turn linked by weak C-H⋯N inter-actions to form chains of rings along [010]. In addition, weak C-H⋯π(arene) inter-actions link the chains into layers parallel to (001) and π-π inter-actions with a centroid-centroid distance of 3.836 (10) Å connect these layers into a three-dimensional network. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32944619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Crystal structure of fenpropathrin. 甲氰菊酯的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S160053681402474X
Gihaeng Kang, Youngeun Jeon, Sangjin Lee, Tae Ho Kim
{"title":"Crystal structure of fenpropathrin.","authors":"Gihaeng Kang,&nbsp;Youngeun Jeon,&nbsp;Sangjin Lee,&nbsp;Tae Ho Kim","doi":"10.1107/S160053681402474X","DOIUrl":"https://doi.org/10.1107/S160053681402474X","url":null,"abstract":"<p><p>In the title compound [systematic name: cyano-(3-phen-oxy-phen-yl)methyl 2,2,3,3-tetra-methyl-cyclo-propane-carboxyl-ate], C22H23NO3, which is the pyrethroid insecticide fenpropathrin, the dihedral angle between the cyclo-propane ring plane and the carboxyl-ate group plane is 88.25 (11)°. The dihedral angle between the benzene and phenyl rings in the phen-oxy-benzyl group is 82.99 (4)°. In the crystal, C-H⋯N hydrogen bonds and weak C-H⋯π inter-actions link adjacent mol-ecules, forming loop chains along the b-axis direction. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S160053681402474X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32944695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Crystal structure of 2-benzyl-amino-4-(4-meth-oxy-phen-yl)-6,7,8,9-tetra-hydro-5H-cyclo-hepta-[b]pyridine-3-carbo-nitrile. 2-苄基氨基-4-(4-甲氧基苯基)-6,7,8,9-四氢- 5h -环庚-[b]吡啶-3-碳腈的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814024878
R A Nagalakshmi, J Suresh, S Maharani, R Ranjith Kumar, P L Nilantha Lakshman
{"title":"Crystal structure of 2-benzyl-amino-4-(4-meth-oxy-phen-yl)-6,7,8,9-tetra-hydro-5H-cyclo-hepta-[b]pyridine-3-carbo-nitrile.","authors":"R A Nagalakshmi,&nbsp;J Suresh,&nbsp;S Maharani,&nbsp;R Ranjith Kumar,&nbsp;P L Nilantha Lakshman","doi":"10.1107/S1600536814024878","DOIUrl":"https://doi.org/10.1107/S1600536814024878","url":null,"abstract":"<p><p>The title compound, C25H25N3O, comprises a 2-amino-pyridine ring fused with a cyclo-heptane ring, which adopts a chair conformation. The central pyridine ring (r.m.s. deviation = 0.013 Å) carries three substituents, viz. a benzyl-amino group, a meth-oxy-phenyl ring and a carbo-nitrile group. The N atom of the carbo-nitrile group is significantly displaced [by 0.2247 (1) Å] from the plane of the pyridine ring, probably due to steric crowding involving the adjacent substituents. The phenyl and benzene rings are inclined to one another by 58.91 (7)° and to the pyridine ring by 76.68 (7) and 49.80 (6)°, respectively. In the crystal, inversion dimers linked by pairs of N-H⋯Nnitrile hydrogen bonds generate R 2 (2)(14) loops. The dimers are linked by C-H⋯π and slipped parallel π-π inter-actions [centroid-centroid distance = 3.6532 (3) Å] into a three-dimensional structure. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024878","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32943825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Crystal structure of poly[[(2,2'-bi-pyridine)manganese(II)]-di-μ-thio-cyanato]. 聚[[(2,2'-双吡啶)锰(II)]-二μ-硫氰酸盐]的晶体结构。
IF 0.9
Acta crystallographica. Section E, Structure reports online Pub Date : 2014-11-19 eCollection Date: 2014-12-01 DOI: 10.1107/S1600536814024490
Stefan Suckert, Susanne Wöhlert, Inke Jess, Christian Näther
{"title":"Crystal structure of poly[[(2,2'-bi-pyridine)manganese(II)]-di-μ-thio-cyanato].","authors":"Stefan Suckert,&nbsp;Susanne Wöhlert,&nbsp;Inke Jess,&nbsp;Christian Näther","doi":"10.1107/S1600536814024490","DOIUrl":"https://doi.org/10.1107/S1600536814024490","url":null,"abstract":"<p><p>In the crystal structure of the polymeric title compound, [Mn(NCS)2(C10H8N2)] n , the Mn(II) cations are coordinated by one chelating 2,2'-bi-pyridine ligand and four thio-cyanate anions (two N- and two S-coordinating), forming a distorted [MnN4S2] octa-hedron. The asymmetric unit consists of one manganese cation located on a twofold rotation axis and half of a 2,2'-bi-pyridine ligand, the other half being generated by the same twofold rotation axis, as well as one thio-cyanate anion in a general position. The Mn(II) cations are linked by two pairs of μ1,3-bridging thio-cyanate ligands into chains along the c axis; because the N atoms of the 2,2'-bi-pyridine ligands, as well as the N and the S atoms of the thio-cyanate anions, are each cis-coordinating, these chains show a zigzag arrangement. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024490","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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