Yue-feng Chen

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In the crystal structure of the title compound, C(52)H(36)Br(4)O(12)S(8)·CH(2)Cl(2), the thia-calix[4]arene unit adopts a 1,3-alternate conformation with an intra-molecular C-H⋯O hydrogen bond and four C-H⋯π inter-actions, with the four 4-MeC(6)H(4)SO(3) groups located alternately above and below the virtual plane (R) defined by the four bridging S atoms.(More)
some technical problems in developing Java Web application software are discussed. With introduction of SH (Struts + Hibernate) middleware, the advantages of SH in J2EE software development are analyzed, and a feasible B/S software architecture is proposed in this paper. The interface coupling between different layers of software architecture reduces the(More)
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