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Search Results: 1 - 10 of 40527 matches for " Qing He "
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Liver Cancer: Zheng Classification of Qi Stagnation and Blood Stasis  [PDF]
Yongsong Guan, Qing He
Pharmacology & Pharmacy (PP) , 2014, DOI: 10.4236/pp.2014.51012
Abstract:

There is a long history of using traditional Chinese medicine in the treatment of liver cancer and other malignnancies. The classification of Qi stagnation and blood stasis (QSBS) is the most common Zheng in liver cancer. This Zheng is frequently encountered in liver cancers falling into the pathological category of massive type. QSBS is the principal mechanism for a tumor to develop. Liver cancer with QSBS Zheng has characteristic clinical manifestations. Evidence from ex vivo, in vivo and clinical studies has been reported for the identification and management of liver cancer with QSBS Zheng. This article reviews evidence-based study advances of QSBS Zheng, the most common Zheng encountered in liver cancer.

An Estimation of Achievable Rate for Digital Transmissions over MIMO Channels  [PDF]
Jinbao Zhang, Song Chen, Qing He
Communications and Network (CN) , 2015, DOI: 10.4236/cn.2015.72011
Abstract: Achievable rate (AR) is significant to communications. As to multi-input multi-output (MIMO) digital transmissions with finite alphabets inputs, which greatly improve the performance of communications, it seems rather difficult to calculate accurate AR. Here we propose an estimation of con-siderable accuracy and low complexity, based on Euclidean measure matrix for given channel states and constellations. The main contribution is explicit expression, non-constraints to MIMO schemes and channel states and constellations, and controllable estimating gap. Numerical results show that the proposition is able to achieve enough accurate AR computation. In addition the estimating gap given by theoretical deduction is well agreed.
The Fundamental Aspects of TEMOM Model for Particle Coagulation due to Brownian Motion—Part II: In the Continuum Regime
He Qing,Xie Mingliang
Abstract and Applied Analysis , 2013, DOI: 10.1155/2013/490123
Abstract: The fundamental aspects of the Taylor-series expansion method of moment (TEMOM) model proposed to model the aerosol population balance equation due to Brownian coagulation in the continuum regime is shown in this study, such as the choice of the expansion point u, the relationship between asymptotic behavior and analytical solution, and the error of the high-order moment equations. All these analyses will contribute to the buildup of the theoretical system of the TEMOM model. 1. Introduction The population balance equations (PBE) are used to describe the evolution process of aerosol particles in a wide range of physical, chemical, and environmental subjects, such as nucleation, coagulation, diffusion, convection, and so on. When the Brownian coagulation plays a dominant role in such cases where aerosol particles at a high concentration are concerned or where suspended particles have evolved for a long time [1], the PBE for a monovariants system can be written as [2] in which is the number density concentrations of the particles with volume from to at time , is the collision frequency function between particles with volumes and . Because of its strong nonlinear partial integral-differential structure, the direct solution is very complicated and only a limited number of analytical solutions exist for simple coagulation kernel [3]. So several methods are proposed to solve this equation numerically, such as the sectional method (SM) [4], the Monte Carlo method (MCM) [5], and the method of moment (MM) [6]. With lower computational cost compared to the SM and MCM, the moment method has been widely used and become a powerful tool for investigating evolution processes of aerosol particles [7, 8]. By multiplying both the sides of (1) then integrating over the entire particle size distribution (PSD) [9], the growth rate of the particle moment can be obtained as follows: where the moment is defined as One main difficulty of the moment method is the closure of the moment equations. There exist several methods to overcome this bottleneck, including but not limited to the quadrature method of moment (QMOM) [10], the direct quadrature method of moment (DQMOM) [11], and the Taylor-series expansion method of moment (TEMOM) [3, 12]. It should be pointed out that the TEMOM has no prior assumption for the PSD using the Taylor-series expansion to achieve the closure and is considered as a promising approach to approximate the PBE for its relative simplicity of implementation and high accuracy [13]. Based on TEMOM model, the important information about the PSD, namely, the
Bi-directional mapping between polarization and spatially encoded photonic qutrits
Qing Lin,Bing He
Physics , 2009, DOI: 10.1103/PhysRevA.80.062312
Abstract: Qutrits, the triple level quantum systems in various forms, have been proposed for quantum information processing recently. By the methods presented in this paper a bi-photonic qutrit, which is encoded with the polarizations of two photons in the same spatial-temporal mode, can be mapped to a single photon qutrit in spatial modes. It will make arbitrary unitary operation on such bi-photonic qutrit possible if we can also realize the inverse map to polarization space. Among the two schemes proposed in this paper, the one based only on linear optics realizes an arbitrary U(3) operation with a very small success probability. However, if added with weak nonlinearity, the success probability can be greatly improved. These schemes are feasible with the current experimental technology.
Efficient generation of universal two-dimensional cluster states with hybrid systems
Qing Lin,Bing He
Physics , 2010, DOI: 10.1103/PhysRevA.82.022331
Abstract: We present a scheme to generate two-dimensional cluster state efficiently. The number of the basic gate-entangler-for the operation is in the order of the entanglement bonds of a cluster state, and could be reduced greatly if one uses them repeatedly. The scheme is deterministic and uses few ancilla resources and no quantum memory. It is suitable for large-scale quantum computation and feasible with the current experimental technology.
Impact on $γφ_3$ from CLEO-c Using CP-tagged $D\toK_{S,L}ππ$ Decays
Eric White,Qing He
Physics , 2007,
Abstract: Precision determination of the CKM angle $\gamma/\phi_3$ depends upon constraints on charm mixing amplitudes, measurements of doubly-Cabibbo suppressed amplitudes and relative phases, and studies of charm Dalitz plots tagged by flavor or CP eigenstates. In this note we describe the technique used at CLEO-c to constrain the $K_{S,L}\pi\pi$ model uncertainty, and its impact on $\gamma/\phi_3$ measurements at B-factories presented at the Charm 2007 Workshop.
Single-photon logic gates using minimal resources
Qing Lin,Bing He
Physics , 2009, DOI: 10.1103/PhysRevA.80.042310
Abstract: We present a simple architecture for deterministic quantum circuits operating on single photon qubits. Few resources are necessary to implement two elementary gates and can be recycled for computing with large numbers of qubits. The deterministic realization of some key multi-qubit gates, such as the Fredkin and Toffoli gate, is greatly simplified in this approach.
Image registration based on mutual information using steerable pyramid
利用方向可控金字塔进行基于互信息的图像配准

HE Qing,
何青

计算机应用 , 2005,
Abstract: Using steerablity of the steerable pyramid, the orientation of the image could be obtained to search the best rotation transform, meanwhile the amount of translation could be searched together so that the method could deal with registration of both rotation and translation. Mutual information was used for similarity metric. Experiment results show that this approach performs well.
Nonsmooth Steepest Descent Method by Proximal Subdifferentials in Hilbert Spaces
Zhou Wei,Qing Hai He
Mathematics , 2013, DOI: 10.1007/s10957-013-0444-z
Abstract: In this paper, we first study nonsmooth steepest descent method for nonsmooth functions defined on Hilbert space and establish the corresponding algorithm by proximal subgradients. Then, we use this algorithm to find stationary points for those functions satisfying prox-regularity and Lipschitzian continuity. As one application, the established algorithm is used to search the minimizer of lower semicontinuous and convex functions on finite-dimensional space. The convergent theorem, as one extension and improvement of the existing converging result for twice continuously differentiable convex functions, is also presented therein.
Investigation of the Contamination Control in a Cleaning Room with a Moving AGV by 3D Large-Scale Simulation
Qing-He Yao,Qing-Yong Zhu
Journal of Applied Mathematics , 2013, DOI: 10.1155/2013/570237
Abstract:
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