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  1. No Access

    Article

    Energy Levels, Lifetimes, and Radiative Data of Xe XXIV

    The multi-configuration Dirac–Hartree–Fock method is employed to calculate the energy levels, wavelengths, transition probabilities, and line strengths for electric dipole allowed (E1) and forbidden (M1, E2, M...

    X. M. Ren, L. H. Hao, J. J. Liu in Journal of Applied Spectroscopy (2021)

  2. No Access

    Article

    Energy Levels, Wavelengths, Transition Rates, Line Strengths, and Lifetimes for Low-Lying Levels in Ne-, Na-, Mg-, and Al-Like Ions of Tantalum

    Herein the energies of low-lying levels, wavelengths, transition rates, and line strengths for electric dipole allowed (E1) and forbidden (M1) lines in Ne- to Al-like ions of tantalum have been calculated usin...

    X. M. Ren, R. Li, L. H. Hao, J. J. Liu in Journal of Applied Spectroscopy (2021)

  3. No Access

    Article

    Optical power dependence of capacitance in uni-traveling-carrier photodetectors

    Optical power dependence of capacitance in uni-traveling-carrier photodetectors is analyzed by founding a differential capacitance model. The trend of capacitance variation against optical power by simulation ...

    X. K. Ma, Y. Q. Huang, Y. W. Yang, T. Liu, X. F. Duan… in Optical and Quantum Electronics (2019)

  4. No Access

    Article

    Epitaxial Lateral Overgrowth of InP on Nanopatterned GaAs Substrates by Metal–Organic Chemical Vapor Deposition

    Epitaxial lateral overgrowth (ELO) of 1.8-μm InP films was performed on nanopatterned GaAs (001) substrates via metal–organic chemical vapor deposition. Parallel SiO2 trenches with a nano-scale width (∼ 170 nm) a...

    Y. B. Fan, J. Wang, J. Li, H. Y. Yin, H. Y. Hu… in Journal of Electronic Materials (2018)

  5. No Access

    Article

    Syntheses, crystal structures, and magnetic properties for two spin-ladder complexes based on bis(2-thioxo-1,3-dithiole-4,5-dithiolato)nickelate monoanion building block

    Two isostructural complexes based on bis(2-thioxo-1,3-dithiole-4,5-dithiolato)nickelate monoanion ([Ni(Dmit)2]−) building block, (C19H11NNiF3S10 (I) and C18H10N2F3NiS10 (II)), have been synthesized and characteri...

    H. Zhang, B. Cai, H. B. Duan, G. J. Yuan… in Russian Journal of Coordination Chemistry (2013)

  6. No Access

    Article

    The structure of medial weakly U-abundant semigroups

    We consider the class of weakly U-abundant semigroups satisfying the congruence condition (C) containing both the class of regular semigroups and the class of abundant semigroups as its subclasses. The class of w...

    X. M. Ren, D. D. Yang, K. P. Shum in Semigroup Forum (2012)

  7. No Access

    Article

    Construction of two metal coordination polymers based on 1,4-terephthalate and 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene

    Two new metal-organic frameworks, namely, Cd(BDC)(Btx) · 0.25(H2O) (I) and Co3(BDC)3(Btx)4(H2O)4 (II) (H2BDC = 1,4-terephthalate acid and Btx = 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene), have been synthesized und...

    G. X. Liu, X. L. Xu, Y. Y. Xu, S. Nishihara… in Russian Journal of Coordination Chemistry (2011)

  8. No Access

    Article

    An Entropy Optimization Strategy for Simultaneous Localization and Map**

    We present a novel algorithm for simultaneous localization and map** via application of entropy on construction of segment-based maps. Entropy has been incorporated in SLAM to enhance its sensitivity and rob...

    Yan Liu, X. M. Ren, Ahmad B. Rad, X. Z. Zhang… in Journal of Intelligent & Robotic Systems (2010)

  9. No Access

    Article

    New photoluminescent coordination polymers constructed from dicarboxylate and 1,2-bis(imidazol-1-ylmethyl)benzene

    Two new metal-organic frameworks, namely, Cd(Pda)(Bix)0.5(H2O) (I) and Cd2(Glut)2(Bix)(H2O) (II) (H2Pda is 1,3-phenylenediacetic acid, H2Glut is glutaric acid, and Bix is 1,4-bis(imidazol-1-ylmethyl)benzene), hav...

    G. X. Liu, Y. Y. Xu, S. Nishihara, X. M. Ren in Russian Journal of Coordination Chemistry (2010)

  10. No Access

    Article

    Synthesis, characterization, and crystal structures of two novel ion-pair complexes based on benzene-1,2-dithiolate ligand

    Two novel ion-pair complexes, [IBzPy][Ni(Bdt)2] (I) and [IBzDMPy][Ni(Bdt)2] (II) (IBzPy = 1-(4-iodobenzyl)pyridinium, IBzDMPy = 1-(4-iodobenzyl)-3,5-dimethyl-pyridinium, and Bdt = benzene-1,2-dithiolate), have be...

    G. X. Liu, Y. Liu, S. Nishihara, X. M. Ren in Russian Journal of Coordination Chemistry (2010)

  11. No Access

    Article

    Detecting Impulses in Mechanical Signals by Wavelets

    The presence of periodical or nonperiodical impulses in vibration signals often indicates the occurrence of machine faults. This knowledge is applied to the fault diagnosis of such machines as engines, gearbox...

    W.-X. Yang, X.-M. Ren in EURASIP Journal on Advances in Signal Processing (2004)

  12. No Access

    Article

    On Super Hamiltonian Semigroups

    The concept of super hamiltonian semigroup is introduced. As a result, the structure theorems obtained by A. Cherubini and A. Varisco on quasi commutative semi-groups and quasi hamiltonian semigroups respectiv...

    K. P. Shum, X. M. Ren in Czechoslovak Mathematical Journal (2004)

  13. No Access

    Article

    The Structure of Right C-rpp Semigroups

    We study the strongly rpp-semigroups whose set of idempotents forms a right regular band and the relation ${\cal L}^* \vee {\cal R}$ is a congruence. This kind of strongly rpp-semigroups was called by Y.Q. G...

    K. P. Shum, X. M. Ren in Semigroup Forum (2004)

  14. No Access

    Article

    The major arcs in the ternary Goldbach problem

    We enlarge considerably the major arcs in the ternary Goldbach problem.

    X. M. Ren in Acta Mathematica Hungarica (2003)