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141.
A bidentate NO donor Schiff base, 2-(((2-chloro-5- (trifluoromethyl)phenyl)imino)methyl) phenol ( HL 1 ) and its complexes [Co(L1)2(H2O)2] ( 1 ), [Cu(L1)2] ( 2 ), [Mn(L1)2(H2O)2] ( 3 ), [Ni(L1)2(H2O)2] ( 4 ), [Pd2(L1)2(OAc)2·1.16H2O] ( 5 ), [Pt(L1)2] ( 6 ) were synthesized and characterized by different physico-chemical techniques including elemental and thermal analysis, magnetic susceptibility measurements, molar electric conductivity, IR, 1H-NMR, 13C-NMR, UV–Vis, mass spectroscopies and X-ray powder diffraction (XRD). The molecular structures of ligand HL 1 and two complexes ( 2 and 5 ) were confirmed by X-ray crystallography analysis on the monocrystal. In this complexes, the metal ions are in distorted square-planar environments. The copper (II) complex is mononuclear and crystallized in a monoclinic space group P21/c, whereas palladium (II) complex is dinuclear and crystallized in the trigonal crystal system R-3. The toxicity of the ligand and complexes was evaluated on both plant and animal cells, using the plant species Triticum aestivum L. and the crustacean Artemia franciscana Kellogg. At concentrations up to 100 μM the compounds presented very little toxicity on Artemia franciscana Kellogg. Moreover, the palladium (II) complex was devoid of any toxicity on the plant cells.  相似文献   
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In this paper we investigate the association between resistance to the introduction of ISO quality standards in a transport company and three effects of the informal advice and trust networks in the organization. The analysis includes four prevailing explanations from the literature on organizational resistance: job satisfaction, perceived legitimacy, unit grouping and decision making authority. The network effects we propose are: (a) a contagion effect, which predicts that members with the same opinion tend to have close or equal trust and advice relations; (b) a prominence effect, which predicts that prominent actors in the trust network show less resistance than other members—and that prominent members of the advice network show more resistance than less prominent actors; (c) a role equivalence effect, which predicts that members with the same patterns of combined trust/advice relations show the same resistance. The paper presents the operationalization and measurement of the variables and the results of three analyses to test the effects. Contagion of resistance appears to be very significant in the trust network. Resistance gradually erodes in the trust network when moving from management to employees. Members who are trusted in the transport company are significantly less resistant to the introduction of the quality standards than members who are not especially trusted. This network effect is controlled for the significant effects of job satisfaction and perceived legitimacy. The role equivalence structure of the combined trust/advice network does not explain the resistance. We conclude that informal networks have important effects on resistance to the proposed changes in the transport company. The case study shows how network analysis can be used to empirically test for effects of social relations in organizations.  相似文献   
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Marrocchesi  P. S.  Adriani  O.  Akaike  Y.  Asaoka  Y.  Berti  E.  Bigongiari  G.  Bongi  M.  Brogi  P.  Bruno  A.  Cannady  N.  Checchia  C.  Cherry  M. L.  Collazuol  G.  Ficklin  A. W.  Guzik  T. G.  Ichimura  M.  Israel  M. H.  Kasahara  K.  Kawakubo  Y.  Krizmanic  J. F.  Messineo  A. M.  Mitchell  J. W.  Miyake  S.  Mori  M.  Mori  N.  Motz  H. M.  Munakata  K.  Pacini  L.  Palma  F.  Papini  P.  Rauch  B. F.  Ricciarini  S. B.  Sakamoto  T.  Sasaki  M.  Stolzi  F.  Sulaj  A.  Tamura  T.  Torii  S.  Wefel  J. P.  Yoshida  K.  Zober  W. V. 《Physics of Atomic Nuclei》2021,84(6):985-994
Physics of Atomic Nuclei - The CALorimetric Electron Telescope CALET is collecting science data on the International Space Station since October 2015 with excellent and continuous performance....  相似文献   
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As paradigmatic complex systems, various studies have been done in the context of one‐dimensional cellular automata (CA) on the definition of parameters directly obtained from their transition rule, aiming at the help they might provide to forecasting CA dynamic behavior. Out of the analysis of the most important parameters available for this end, as well as others evaluated by us, a set of guidelines is proposed that should be followed when defining a parameter of that kind. Based upon the guidelines, a critique of those parameters is made, which leads to a set of five that jointly provide a good forecasting set; two of them were drawn from the literature and three are new ones defined according to the guidelines. By using them as a heuristic in the evolutionary search for CA of a predefined computational behavior, good results have been obtained, exemplified herein by the evolutionary search for CA that perform the Synchronization Task. © 2001 John Wiley & Sons, Inc.  相似文献   
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