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  • 1
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    Contribution of the t-channel N^{*}(1535) exchange for the pp[over ¯]→ϕϕ reaction (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-07-23
    Description: Author(s): Jun Shi, Jian-Ping Dai, and Bing-Song Zou Since the N * (1535) resonance was found to have large coupling to the strangeness due to its possible large s s ̅ component, we investigate the possible contribution of the t -channel N * (1535) exchange for the p p ̅ → ϕ ϕ reaction. Our calculation indicates that the new mechanism may give sig... [Phys. Rev. D 84, 017502] Published Fri Jul 22, 2011
    Keywords: Strong interactions & Lattice methods
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Resonant-continuum relativistic mean-field plus BCS in complex momentum representation (2018)
    American Physical Society (APS)
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    Publication Date: 2018-07-14
    Description: Author(s): Ke-Meng Ding, Min Shi, Jian-You Guo, Zhong-Ming Niu, and Haozhao Liang To develop methods for open quantum systems is one of the most important tasks in theoretical studies. We develop the resonant-continuum relativistic mean-field theory in complex momentum representation with the BCS approximation for pairing correlations in weakly bound nuclei. The bound states and ... [Phys. Rev. C 98, 014316] Published Fri Jul 13, 2018
    Keywords: Nuclear Structure
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Direct visualization of a two-dimensional topological insulator in the single-layer 1T^{′}−WTe_{2} (2017)
    American Physical Society (APS)
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    Publication Date: 2017-07-08
    Description: Author(s): Zhen-Yu Jia, Ye-Heng Song, Xiang-Bing Li, Kejing Ran, Pengchao Lu, Hui-Jun Zheng, Xin-Yang Zhu, Zhi-Qiang Shi, Jian Sun, Jinsheng Wen, Dingyu Xing, and Shao-Chun Li We have grown nearly freestanding single-layer 1 T ′ − WT e 2 on graphitized 6 H -SiC(0001) by using molecular beam epitaxy (MBE), and characterized its electronic structure with scanning tunneling microscopy/spectroscopy (STM/STS). The existence of topological edge states at the periphery of single-layer W... [Phys. Rev. B 96, 041108(R)] Published Fri Jul 07, 2017
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Extraordinarily Large Optical Cross Section for Localized Single Nanoresonator (2015)
    American Physical Society (APS)
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    Publication Date: 2015-07-11
    Description: Author(s): Ming Zhou, Lei Shi, Jian Zi, and Zongfu Yu Using an optical nanoresonator to realize extreme concentration of light at subwavelength nanoscale dimensions is of both fundamental and practical significance. Unfortunately, the optical cross section of an isotropic nanoresonator is determined by the resonant wavelength, which unfavorably limits … [Phys. Rev. Lett. 115, 023903] Published Fri Jul 10, 2015
    Keywords: Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    Sensors, Vol. 15, Pages 21989-22002: Investigating the Potential of Using the Spatial and Spectral Information of Multispectral LiDAR for Object Classification (2015)
    MDPI Publishing
    In: Sensors
    Details
    Publication Date: 2015-09-03
    Description: The abilities of multispectral LiDAR (MSL) as a new high-potential active instrument for remote sensing have not been fully revealed. This study demonstrates the potential of using the spectral and spatial features derived from a novel MSL to discriminate surface objects. Data acquired with the MSL include distance information and the intensities of four wavelengths at 556, 670, 700, and 780 nm channels. A support vector machine was used to classify diverse objects in the experimental scene into seven types: wall, ceramic pots, Cactaceae, carton, plastic foam block, and healthy and dead leaves of E. aureum. Different features were used during classification to compare the performance of different detection systems. The spectral backscattered reflectance of one wavelength and distance represented the features from an equivalent single-wavelength LiDAR system; reflectance of the four wavelengths represented the features from an equivalent multispectral image with four bands. Results showed that the overall accuracy of using MSL data was as high as 88.7%, this value was 9.8%–39.2% higher than those obtained using a single-wavelength LiDAR, and 4.2% higher than for multispectral image.
    Electronic ISSN: 1424-8220
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Published by MDPI Publishing
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  • 6
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    Equilibrium electrons in free-electron lasers with a 3D helical wiggler and a guide magnetic field: Nonlinear simulations (2012)
    American Physical Society (APS)
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    Publication Date: 2012-12-18
    Description: Author(s): Xiao-Li Huang, Shi-Jian Wang, Yong-Gen Xu, and Shi-Chang Zhang Nonlinear simulations are devoted to the comparative study of the equilibrium electrons’ motion and stability in the combination of a three-dimensional helical wiggler and a positive or reversed guide magnetic field, where effects of the self-field, off-axis guiding center and adiabatic magnetic fie... [Phys. Rev. ST Accel. Beams 15, 120702] Published Mon Dec 17, 2012
    Keywords: Synchrotron Radiation and Free-Electron Lasers
    Electronic ISSN: 1098-4402
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    Energies, Vol. 10, Pages 785: Characterization and Effects of the Shock Losses in a Parallel Fan Station in the Underground Mine (2017)
    MDPI Publishing
    In: Energies
    Details
    Publication Date: 2017-06-08
    Description: Deep underground mines are highly energy consuming due to the need to overcome the growing airflow resistance. The multi-fan station ventilation system (MFSVS), formed by several parallel fans at different locations in an underground mine generally, has greatly reduced energy costs by using high-quantity and low-pressure energy-saving fans. However, experimental data still indicates that 30–70% of the fan pressure is used to overcome the severe shock losses in a parallel fan station (PFS), in spite of more than 80% operating efficiency, and the shock losses greatly weaken the superiority and the service capacity of PFS. Based on the investigation and measured data of several PFSs in a MFSVS in an underground mine, a three-dimensional PFS model was developed by computational fluid dynamics (CFD) to demonstrate airflow performance and variation characteristics of velocity, pressure and turbulence. First, the fan characteristic in the PFS was discussed and compared with the fan operating performance under standard conditions; the shock losses were then presented from both sides of the inlet shock losses and the outlet shock losses in the PFS; meanwhile, the effects of blade angle variation and airflow mutual interference were conducted to determine whether they exert a significant influence on the shock losses. The results show that the shock losses are primarily generated in the range of 0 to 3.0 m from the fans’ exits, due to the intensely change in air velocity in the PFS. The study also provides several directions and references for recovering air pressure and reducing energy consumption in the parallel fans’ structure.
    Electronic ISSN: 1996-1073
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 8
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    Minerals, Vol. 7, Pages 54: Feasibility of Recycling Ultrafine Leaching Residue by Backfill: Experimental and CFD Approaches (2017)
    MDPI Publishing
    In: Minerals
    Details
    Publication Date: 2017-04-06
    Description: Large amounts of leaching residue are released into tailings dams from mines, and their acid content can cause environmental pollution. The aim of this study was to research the feasibility and value of a leaching residue backfill recycling method. The combination of property detection, laboratory tests (the neutralization method, strength test and diffusivity test) and numerical simulation methods (3D computational fluid dynamics (CFD) simulations of pipeline transportation properties) were used to assess the performance of the leaching residue backfill. The results show that backfill body with the cement:sand mass ratio of 1:3, the leaching residue:classified tailings ratio of 1:6, and slurry mass concentration of 71 wt % can meet the strength and pipeline self-flowing transportation requirements of mine backfill. The leaching residue is a good backfill aggregate, and its recovery ratio can reach 19.5 wt %. In addition, the recycling of leaching residue effectively alleviates the problem of mine waste emissions and protects the ecological environment surrounding the mining area. This study serves as a guide for the recycling of fine tailings and the environmental governance of the mining area.
    Electronic ISSN: 2075-163X
    Topics: Geosciences
    Published by MDPI Publishing
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  • 9
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    Sustainability, Vol. 10, Pages 1402: Collection and Remanufacturing of Waste Products under Patent Protection and Government Regulation (2018)
    MDPI Publishing
    Details
    Publication Date: 2018-05-03
    Description: Sustainability, Vol. 10, Pages 1402: Collection and Remanufacturing of Waste Products under Patent Protection and Government Regulation Sustainability doi: 10.3390/su10051402 Authors: Dingyue Zhang Xuemei Zhang Bin Shi Jian Cao Gengui Zhou There is increasing academic and pragmatic interest in leveraging patent rights to invigorate remanufacturing for waste products under governmental interventions via regulations and reward–penalty instruments. In practice, many original manufacturers that are possessed with intellectual property rights allow third-party remanufacturers to implement reproducing operations through authorization and charging licensing fees. The general purpose of this paper is to explore favorable strategies for a closed-loop supply chain (CLSC) system of waste product collection and remanufacturing, in the context of either manufacturer-remanufacturing or remanufacturer-remanufacturing. To achieve such an objective, game theory is adopted to establish models of three collection and remanufacturing modes among channel members involving a manufacturer, a seller, and a remanufacturer. In so doing, the results show that a government’s allocations of elementary remanufacturing ratio and the unit amount of reward–penalty count significantly in CLSC operations, especially for the manufacturer, who acts as the leader in the system and makes mode selections.
    Electronic ISSN: 2071-1050
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 10
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    Bell nonlocality in conventional and topological quantum phase transitions (2012)
    American Physical Society (APS)
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    Publication Date: 2012-09-08
    Description: Author(s): Dong-Ling Deng, Chunfeng Wu, Jing-Ling Chen, Shi-Jian Gu, Sixia Yu, and C. H. Oh We investigate the critical behaviors of the Bell nonlocality, which are measured by the Bell-function values, in conventional and topological quantum-phase transitions. First, by using the quantum-renormalization-group method, we show that the Bell function value of a three-qubit Bell inequality in... [Phys. Rev. A 86, 032305] Published Fri Sep 07, 2012
    Keywords: Quantum information
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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