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Chinese Journal of Integrative Medicine 2023年第7期29卷 634-643页

作者： WANG Zi-yan GUO Zhi-hua The First Clinical College of Chinese Medicine Hunan University of Chinese MedicineChangsha410208China School of Traditional Chinese Medicine Hunan University of Chinese MedicineChangsha410208China Hunan Key Laboratory of Colleges and Universities of Intelligent Traditional Chinese Medicine Diagnosis and Preventive Treatment of Chronic Diseases of Hunan Universities of Chinese Medicine Changsha410208China

High mortality rates from cardiovascular diseases(CVDs)persist *** people are at a higher risk of developing these *** the current high treatment cost for CVDs,there is a need to prevent CVDs and or develop treatment *** and Chinese medicines have been used to treat ***,several factors,such as inaccurate diagnoses,non-standard prescriptions,and poor adherence behavior,lower the benefits of the treatments by Chinese medicine(CM).Artificial intelligence(AI)is increasingly used in clinical diagnosis and treatment,especially in assessing efficacy of CM in clinical decision support systems,health management,new drug research and development,and drug efficacy *** this study,we explored the role of AI in CM in the diagnosis and treatment of CVDs,and discussed application of AI in assessing the effect of CM on CVDs.

关键词： Chinese medicine Western medicine artificial intelligence cardiovascular diseases ischemic heart disease heart failure

KAM Tori for the Derivative Quintic Nonlinear Schrodinger Equation

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Acta Mathematica Sinica,English Series 2020年第2期36卷 153-170页

作者： Dong Feng yan Guang hua SHI School of Mathematics and Statistics Zhengzhou UniversityZhengzhou 450001P.R.China College of Mathematics and Statistics Hu fnan Normal UniversityChangsha 410006P.R.China

This paper is concerned with one-dimensional derivative quintic nonlinear Schrodinger equation,iut—uxx+i(|u|4u)x=0,x *** existence of a large amount of quasi-periodic solutions with two frequencies for this equation is *** proof is based on partial Birkhoff normal form technique and an unbounded KAM *** mention that in the present paper the mean value of u does not need to be zero,but small enough,which is different from the assumption(1.7)in Geng-Wu[***.、53,102702(2012)].

关键词： Derivative nonlinear Schrodinger equation KAM theorem quasi-periodic solutions BirkhofF normal form

Hydrodynamic Characteristics of Undular Tidal Bores in the Qiantang River Based on Field Observations

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China Ocean Engineering 2024年第3期38卷 505-518页

作者： ZHANG Shu-yu PAN Cun-hong ZHANG Shen-yang LI ruo-hua CHENG Wenlong XIE Dong-feng Zhejiang Tongji Vocational College of Science and Technology Hangzhou 311231China Zhejiang Institute of Hydraulics and Estuary Hangzhou 310020China

Understanding the undular tidal bores in the Qiantang River is essential for effective river management and *** breaking tidal bores have been studied extensively, reports on undular tidal bores in the Qiantang Riverremain limited. Furthermore, observed data on undular tidal bores fulfilling the requirements of short measurementtime intervals, and spring, medium, and neap tide coverage, and providing detailed data for the global vertical stratificationof flow velocity are quite limited. Based on field observations at Qige in the Qiantang estuary, we analyzedthe characteristics of undular tidal bores. The results showed that the flooding amplitude (a) of the first wave isalways larger than its ebbing amplitude (b). Moreover, the vertical distribution of the maximum flood velocity exhibitesthree shapes, influenced by the tidal range, while that of the maximum ebb velocity exhibites a single shape. Duringthe initial phase of the flood tide in the spring and medium tides, the upper water body experiences multiple oscillatingchanges along the flow direction, corresponding to the alternating process of the crest and trough of the tide levelupon the arrival of the tidal bore. The tidal range is a crucial parameter in tidal bore hydrodynamics. By establishingthe relationship between hydrodynamic parameters and tidal range, other hydrodynamic parameters, such as the tidalbore height, maximum flood depth–averaged velocity, maximum flood stratified velocity at the measurement points,and duration of the flood tide current, can be effectively predicted, thereby providing an important reference for rivermanagement and maintenance.

关键词： tidal bores Qiantang Estuary tidal bore height tidal bore velocity propagation speed

Mesenchymal-epithelial Transition Factor Regulates Monocyte Function during Mycobacterial Infection via Indoleamine 2,3-dioxygenase

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Current Medical Science 2022年第2期42卷 407-416页

作者： Bing-fen yanG Fei ZHAI Hong-juan AN Jing JIANG Zhi-hong CAO yan-hua LIU Jin-wen SU ruo WANG Xiao-xing CHENG Tuberculosis Prevention and Control Key Laboratory Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and TreatmentSenior Department of Tuberculosisthe Eighth Medical Center of Chinese PLA General HospitalBeijing100091China

Objective Mycobacterium tuberculosis(Mtb),the causative agent of tuberculosis(TB),causes an estimated 1.6 million human deaths annually,but the pathogenesis of TB remains *** plays a critical role in the onset and outcome of *** study aimed to uncover the roles of innate and adaptive immunity in *** The gene expression profiles generated by RNA sequencing from human peripheral blood mononuclear cells(PBMCs)stimulated with or without Mtb strain H37Rv antigens were analyzed.A total of 973 differentially expressed mRNAs were *** The differentially expressed genes were enriched in innate immunity signaling *** mesenchymal-epithelial transition factor(MET)gene was significantly upregulated in CD14^(+)monocytes.A MET inhibitor improved the uptake of the BCG strain by monocytes and macrophages as well as inhibited the expression of indoleamine 2,3-dioxygenase(IDO).The expression of IDO was increased in PBMCs stimulated with Mtb antigens,and the IDO inhibitor promoted the expression of CD40,CD83,and *** Our results might provide clues regarding the immunomodulatory mechanisms used by Mtb to evade the host defense system.

关键词： monocytes mycobacteria mesenchymal-epithelial transition factor indoleamine 2,3-dioxygenase

Resolution of DL-Pantolactone with Ethyldiamine Bridged Dimer Permethyβ-Cyclodextrin as GC Stationary Phase

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Chinese Chemical Letters 2001年第5期12卷 447-448页

作者： Dan Ni TAO Xue yan SHI Jun Ling GU ruo Nong FU College of Chemical Engineering and Materials Science Beijing Institute of TechnologyBeijing 100081 Department of Application Chemistry Chinese Agriculture UniversityBeijing 100094

Ethyldiamine bridged dimer permethy-β-CD and other cyclodextrins were used as GC stationary phase to resolute DL-pantolactone. It is found that this CD dimer has a good selectivity for DL-pantolactone.

关键词： Cyclodextrin dimer gas chromatography stationary phase.

Multiple scattering and modeling of laser in fog

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Chinese Physics B 2021年第6期30卷 311-319页

作者： Ji-Yu Xue Yun-hua Cao Zhen-Sen Wu Jie Chen yan-Hui Li Geng Zhang Kai yang ruo-Ting Gao School of Physics and Optoelectronic Engineering Xidian UniversityXi'an 710071China School of Environment and Safety Engineering North University of ChinaTaiyuan 030000China

When a laser is transmitted in fog, and the water droplets will scatter and absorb the laser, which affects the intensity of the laser transmission and the accuracy of radar detection. Therefore, it is of great significance to study the laser transmission in the fog. At present, the main method of calculating the scattering and attenuation characteristics of fog is based on the radiation transmission theory, which is realized by a large number of numerical calculations or physical simulation methods, which takes time and cannot meet the requirements for obtaining the fast and accurate results. Therefore, in this paper established are a new laser forward attenuation model and backward attenuation model in low visibility fog. It is found that in low visibility environments, the results calculated by the Monte Carlo method are more accurate than those from most of the existing forward attenuation models. For the cases of 0.86-μm, 1.06-μm, 1.315-μm, 10.6-μm typical lasers incident on different fogs with different visibilities, a backscatter model is established, the error between the fitting result and the calculation result is analyzed, the backward attenuation fitting parameters of the new model are tested, and a more accurate fitting result is obtained.

关键词： Mie theory Monte Carlo method engineering model multiple scattering error analysis

Inclusion variations and calcium treatment optimization in pipeline steel production

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International Journal of Minerals,Metallurgy and Materials 2011年第5期18卷 527-534页

作者： Jian-hua Liu hua-jie Wu yan-ping Bao Min Wang Research Institute of Metallurgy Engineering University of Science and Technology Beijing Beijing 100083 China School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 China

SiCa line and SiCaBaFe alloy were injected into liquid pipeline steel at the end of LF refining as calcium treatment,and samples were taken from the ladles,mould,and *** of Ca content and inclusions shows that Ca content in steel decreases obviously in the following process after calcium treatment;the compositions,morphology,and sizes of inclusions also vary much in the production;primary inclusions in the ladles prior to calcium treatment are mainly Al2O3 inclusions,but they turn to fine irregular CaS-CaO-Al2O3 compound inclusions after the treatment,then become fine globular CaO-Al2O3 inclusions in the mould,and finally change to a few larger irregular CaS-CaO-Al2O3 complex inclusions in the *** study reveals that inclusion variations are related with the preferential reactions among Ca,Al2O3,and S and the precipitation of S in CaO-Al2O3 inclusions with high sulfur *** evaluation standards for calcium treatment in high-grade pipeline steel were put forward according to the inclusion variations and requirements of pipeline steel on inclusion controlling,and the calcium process was studied and optimized.

关键词： pipeline steel refining inclusions calcium treatment thermodynamics precipitation

Implicit high-order discontinuous Galerkin method with HWENO type limiters for steady viscous flow simulations

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Acta Mechanica Sinica 2013年第4期29卷 526-533页

作者： Zhen-hua Jiang Chao yan Jian Yu College of Aeronautics Science and Engineering Beijing University of Aeronautics and Astronautics

Two types of implicit algorithms have been im- proved for high order discontinuous Galerkin （DG） method to solve compressible Navier-Stokes （NS） equations on tri- angular grids. A block lower-upper symmetric Gauss- Seidel （BLU-SGS） approach is implemented as a nonlin- ear iterative scheme. And a modified LU-SGS （LLU-SGS） approach is suggested to reduce the memory requirements while retain the good convergence performance of the origi- nal LU-SGS approach. Both implicit schemes have the sig- nificant advantage that only the diagonal block matrix is stored. The resulting implicit high-order DG methods are applied, in combination with Hermite weighted essentially non-oscillatory （HWENO） limiters, to solve viscous flow problems. Numerical results demonstrate that the present implicit methods are able to achieve significant efficiency improvements over explicit counterparts and for viscous flows with shocks, and the HWENO limiters can be used to achieve the desired essentially non-oscillatory shock tran- sition and the designed high-order accuracy simultaneously.

关键词： Discontinuous Galerkin (DG) scheme ~ Implicitmethod ~ HWENO ~ High order ~ Unstructured grids

A residual-based message passing algorithm for constraint satisfaction problems

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Communications in Theoretical Physics 2022年第3期74卷 77-86页

作者： Chun-yan Zhao yan-Rong Fu Jin-hua Zhao College of Science University of Shanghai for Science and TechnologyShanghai 200093China Guangdong Provincial Key Laboratory of Nuclear Science Institute of Quantum MatterSouth China Normal UniversityGuangzhou 510006China Guangdong-Hong Kong Joint Laboratory of Quantum Matter Southern Nuclear Science Computing CenterSouth China Normal UniversityGuangzhou 510006China

Message passing algorithms,whose iterative nature captures complicated interactions among interconnected variables in complex systems and extracts information from the fixed point of iterated messages,provide a powerful toolkit in tackling hard computational tasks in optimization,inference,and learning *** the context of constraint satisfaction problems(CSPs),when a control parameter(such as constraint density)is tuned,multiple threshold phenomena emerge,signaling fundamental structural transitions in their solution *** solutions around these transition points is exceedingly challenging for algorithm design,where message passing algorithms suffer from a large message fiuctuation far from *** we introduce a residual-based updating step into message passing algorithms,in which messages with large variation between consecutive steps are given high priority in the updating *** the specific example of model RB(revised B),a typical prototype of random CSPs with growing domains,we show that our algorithm improves the convergence of message updating and increases the success probability in finding solutions around the satisfiability threshold with a low computational *** approach to message passing algorithms should be of value for exploring their power in developing algorithms to find ground-state solutions and understand the detailed structure of solution space of hard optimization problems.

关键词： constraint satisfaction problems model RB message passing algorithms residuals of messages

DSC based Dual-Resunet for radio frequency interference identification

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Research in Astronomy and Astrophysics 2021年第12期21卷 315-325页

作者： yan-Jun Zhang yan-Zuo Li Jun Cheng Yi-hua yan School of Cyberspace Science and Technology Beijing Institute of TechnologyBeijing 100081China School of Information and Electronics Beijing Institute of TechnologyBeijing 100081China CAS Key Laboratory of Solar Activity National Astronomical ObservatoriesBeijing 100101China State Key Laboratory of Space Weather Chinese Academy of SciencesBeijing 100864China

Radio frequency interference(RFI)will pollute the weak astronomical signals received by radio telescopes,which in return will seriously affect the time-domain astronomical observation and *** this paper,we use a deep learning method to identify RFI in frequency spectrum data,and propose a neural network based on Unet that combines the principles of depthwise separable convolution and residual,named DSC Based *** with the existing Unet network,DSC Based Dual-Resunet performs better in terms of accuracy,F1 score,and MIoU,and is also better in terms of computation cost where the model size and parameter amount are 12.5%of Unet and the amount of computation is 38%of *** experimental results show that the proposed network is a high-performance and lightweight network,and it is hopeful to be applied to RFI identification of radio telescopes on a large scale.

关键词： techniques:deep learning and image processing radio frequency interference telescopes Sun:radio radiation