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  1. No Access

    Chapter and Conference Paper

    High-Resolution Computed Tomography of Lung Diseases with Lucent Areas or Cysts

    High-resolution computed tomography (HRCT) is a technique that has excellent spatial resolution, and allows demonstration of the fine structure of the lung. Recently, HRCT has been very helpful in detecting an...

    Chen Qihang, Pan Jixu, Li Guozhen in Computed Tomography (1996)

  2. No Access

    Article

    Rac1 orientates epithelial apical polarity through effects on basolateral laminin assembly

    Cellular polarization involves the generation of asymmetry along an intracellular axis. In a multicellular tissue, the asymmetry of individual cells must conform to the overlying architecture of the tissue. Ho...

    Lucy Erin O'Brien, Tzuu-Shuh Jou, Anne L. Pollack, Qihang Zhang in Nature Cell Biology (2001)

  3. Article

    Aging blunts effects of triiodothyronine on rabbit cardiac myocytes

    James Tse, Qihang Zhang, Peter M. Scholz, Harvey R. Weiss in Canadian Journal of Anesthesia (2005)

  4. No Access

    Chapter and Conference Paper

    A method for dynamically measuring the Soft Tissue Balance in the Total Knee Replacement

    Osteoarthritis is one of the most common arthropathy in the world, and the artificial knee replacement surgery becomes one of the major measures to cure the severe pathological changes in the knee. The soft ti...

    Jian Wu, You Wang, Kerong Dai, Qihang Wei in World Congress on Medical Physics and Biom… (2007)

  5. No Access

    Article

    Photophysical properties of dibenzofluorescein and the presence of its tautomers or prototropic forms in organic solvents

    The UV/Vis absorption and fluorescence properties of dibenzofluorescein (DBFL) in organic solvents were measured and used to shed light on the possible presence of its tautomers or various prototropic forms. D...

    **anfu Zhang, Qiang Liu, Aiijun Son in Photochemical & Photobiological Sciences (2008)

  6. No Access

    Article

    Fluorescence Properties of Dibenzofluorescein in Aqueous Solution

    The deprotonation of dibenzofluorescein (DBFL), a long wavelength fluorescence probe, results in the simultaneous occurrence of neutral form, monoanion and dianion under physiological conditions. The fluoresce...

    **an-Fu Zhang, Qiang Liu, Aiijun Son, Qihang Zhang, Fuqun Zhao in Journal of Fluorescence (2008)

  7. No Access

    Article

    Adaptive least squares support vector machines filter for hand tremor canceling in microsurgery

    One of the main problems for effective control of a minimally invasive surgery (MIS) is the imprecision that caused by hand tremor. In this paper, a novel adaptive filter, the least squares support vector mach...

    Zhi Liu, Qihang Wu, Yun Zhang in International Journal of Machine Learning … (2011)

  8. No Access

    Article

    Negative rectification and negative differential resistance in nanoscale single-walled carbon nanotube p-n junctions

    We investigate the transport properties of few-nm-long single-walled carbon nanotube (SWCNT) p-n junctions for the first time by using ab initio quantum transport calculations. Unlike the previously reported few-...

    Lili Yu, **n Yan, Hong Li, Rui Qin, Guangfu Luo in Theoretical Chemistry Accounts (2011)

  9. Article

    Open Access

    Tunable and sizable band gap of single-layer graphene sandwiched between hexagonal boron nitride

    Opening a tunable and sizable band gap in single-layer graphene (SLG) without degrading its structural integrity and carrier mobility is a significant challenge. Using density functional theory calculations, w...

    Ruge Quhe, Jiaxin Zheng, Guangfu Luo, Qihang Liu, Rui Qin, **g Zhou in NPG Asia Materials (2012)

  10. Article

    Erratum: Tunable and sizable band gap of single-layer graphene sandwiched between hexagonal boron nitride

    Correction to: NPG Asia Materials (2012) 4, e6; doi:10.1038/am.2012.10; published online 17 February 2012 Since the publication of the above article, the authors have noticed inconsistency in the references to...

    Ruge Quhe, Jiaxin Zheng, Guangfu Luo, Qihang Liu, Rui Qin, **g Zhou in NPG Asia Materials (2012)

  11. No Access

    Article

    High performance silicene nanoribbon field effect transistors with current saturation

    We investigate field effect transistors (FETs) based on semiconducting armchair-edged silicene nanoribbons (ASiNRs) by using ab initio quantum transport calculations. These FETs have high performance with an I ...

    Hong Li, Lu Wang, Qihang Liu, Jiaxin Zheng, Wai-Ning Mei in The European Physical Journal B (2012)

  12. Article

    Open Access

    Tunable and sizable band gap in silicene by surface adsorption

    Opening a sizable band gap without degrading its high carrier mobility is as vital for silicene as for graphene to its application as a high-performance field effect transistor (FET). Our density functional th...

    Ruge Quhe, Ruixiang Fei, Qihang Liu, Jiaxin Zheng, Hong Li in Scientific Reports (2012)

  13. Article

    Open Access

    Sub-10 nm Gate Length Graphene Transistors: Operating at Terahertz Frequencies with Current Saturation

    Radio-frequency application of graphene transistors is attracting much recent attention due to the high carrier mobility of graphene. The measured intrinsic cut-off frequency (fT) of graphene transistor generally...

    Jiaxin Zheng, Lu Wang, Ruge Quhe, Qihang Liu, Hong Li, Dapeng Yu in Scientific Reports (2013)

  14. No Access

    Article

    Algorithm for the generation of mandrel protection curve and trajectory scheme for spinning machine

    Spinning process is an effective and flexible method that has been widely employed to produce metal components having an axisymmetric rotational geometry, such as components for jet engines, turbines, radar re...

    Qihang Wang, Lei Wang, Zhiwei Jiang in The International Journal of Advanced Manu… (2013)

  15. No Access

    Article

    Mitigating spectrum sensing data falsification attacks in hard-decision combining cooperative spectrum sensing

    In this paper we propose a simple yet robust secure cooperative spectrum sensing scheme with hard decision combining for Opportunistic Spectrum Access (OSA) networks. Based on the historical sensing records an...

    Kun Zeng, QiHang Peng, You** Tang in Science China Information Sciences (2014)

  16. No Access

    Article

    Hidden spin polarization in inversion-symmetric bulk crystals

    Spin–orbit coupling can induce spin polarization in nonmagnetic 3D crystals when the inversion symmetry is broken, as manifested by the bulk Rashba and Dresselhaus effects. We establish that these spin-polariz...

    **uwen Zhang, Qihang Liu, Jun-Wei Luo, Arthur J. Freeman, Alex Zunger in Nature Physics (2014)

  17. No Access

    Article

    A sparsity preserving stochastic gradient methods for sparse regression

    We propose a new stochastic first-order algorithm for solving sparse regression problems. In each iteration, our algorithm utilizes a stochastic oracle of the subgradient of the objective function. Our algorit...

    Qihang Lin, ** Chen, Javier Peña in Computational Optimization and Applications (2014)

  18. No Access

    Article

    An adaptive accelerated proximal gradient method and its homotopy continuation for sparse optimization

    We consider optimization problems with an objective function that is the sum of two convex terms: one is smooth and given by a black-box oracle, and the other is general but with a simple, known structure. We ...

    Qihang Lin, Lin **ao in Computational Optimization and Applications (2015)

  19. No Access

    Article

    Effect of Annealing Time on Microstructural Evolution and Deformation Characteristics in 10Mn1.5Al TRIP Steel

    To investigate microstructural evolution and its effects on the deformation behaviors of cold-rolled 10Mn1.5Al TRIP steel, a series of intercritical annealing treatments with various holding times from 3 minut...

    Qihang Han, Yulong Zhang, Li Wang in Metallurgical and Materials Transactions A (2015)

  20. No Access

    Article

    Evaluation of the ability of black nightshade Solanum nigrum L. for phytoremediation of thallium-contaminated soil

    Thallium (Tl) pollution in agricultural areas can pose hidden danger to humans, as food consumption is the key exposure pathway of Tl. Owing to the extreme toxicity of Tl, removal of Tl from soil becomes neces...

    Qihang Wu, Jonathan Y. S. Leung in Environmental Science and Pollution Resear… (2015)

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