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Solitary Wave Solutions and Rational Solutions for Modified Zakharov-Kuznetsov Equation with Initial Value Problem

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Journal of Applied Mathematics and Physics 2018年第5期6卷 949-959页

作者： zhongzhou dong Ling Wang School of Mathematics and Information Science Henan Polytechnic University Jiaozuo China Academic Administration Henan Polytechnic University Jiaozuo China

The modified Zakharov-Kuznetsov equation with the initial value problem is studied numerically by means of homotopy perturbation method. The analytical approximate solutions of the modified Zakharov-Kuznetsov equation are obtained. Choosing the form of the initial value, the single solitary wave, two solitary waves and rational solutions are presented, some of which are shown by the plots.

关键词： Modified Zakharov-Kuznetsov Equation Homotopy Perturbation Method Soliton Solution

基于传感器阵列解耦合的气体种类识别及浓度检测方法

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大连理工大学学报 2024年第3期64卷 323-330页

作者：董典典黄正兴李中洲余隽冯仕玮大连理工大学控制科学与工程学院辽宁大连116024 大连理工大学医学部辽宁大连116024

采用传感器阵列进行气体识别时,某个传感器出现故障将导致整个系统不能使用.受集成学习Bagging方法的启发,提出了传感器阵列解耦合方法.当硫化氢、氨气和丙酮这3种气体在某路传感器数据无法被正常采集的情况下,使用逻辑回归方法作为基... 详细信息

采用传感器阵列进行气体识别时,某个传感器出现故障将导致整个系统不能使用.受集成学习Bagging方法的启发,提出了传感器阵列解耦合方法.当硫化氢、氨气和丙酮这3种气体在某路传感器数据无法被正常采集的情况下,使用逻辑回归方法作为基分类器仍然能达到100%的气体分类正确率.鉴于良好的分类效果,提出了基于类别先验知识的浓度检测方法.将决策树回归作为基回归模型的传感器阵列解耦合浓度检测方法平均绝对百分比误差为2.28%,结果验证了传感器阵列解耦合方法的可行性.

关键词：解耦合气体识别集成学习浓度检测先验知识

Research on two-proton radioactivity in density-dependent cluster model

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Science China(Physics,Mechanics & Astronomy) 2023年第2期66卷 59-67页

作者： Ziyi Yuan dong Bai Zhen Wang zhongzhou Ren dongdong Ni School of Physics Scienceand Engineering Tongji UniversityShanghai 200092China Collegeof Science Hohai UniversityNanjing211100China Key Laboratory of Advanced Micro-Structure Materials Ministry of EducationShanghai 200092China State Key Laboratory of Lunar and Planetary Sciences Macao University of Science and TechnologyMacao 9078China

The density-dependent cluster model(DDCM) provides a unified framework to study α decay,heavy-cluster radioactivity,and proton ***-proton(2p) radioactivity is a rare decay mode of exotic nuclei near or beyond the *** is of great interest to explore the applicability of DDCM to this exotic decay *** this work,DDCM has been extended to study 2p *** 2p-radioactivity half-lives are calculated for several known 2p-emitters,including19Mg,45Fe,48Ni,54Zn,*** theoretical results are in good agreement with the experimental data,with the standard deviations comparable to or smaller than those given by some other theoretical models and empirical *** also predict the half-lives of a number of possible 2p-emitters with S2p 0 using the new data from AME2020 and *** predictions serve as useful references for future experimental and theoretical investigations on 2p radioactivity.

关键词： cluster radioactivity decay

Theoretical predictions on α-decay properties of some unknown neutrondeficient actinide nuclei using machine learning

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Chinese Physics C 2022年第2期46卷 79-89页

作者： Ziyi Yuan dong Bai zhongzhou Ren Zhen Wang School of Physics Science and Engineering Tongji UniversityShanghai 200092China Key Laboratory of Advanced Micro-Structure Materials Ministry of EducationShanghai 200092China

Neutron-deficient actinide nuclei provide a valuable window to probe heavy nuclear systems with large proton-neutron ratios. In recent years, several new neutron-deficient Uranium and Neptunium isotopes have been observed using α-decay spectroscopy [Z. Y. Zhang et al., Phys. Rev. Lett. 122, 192503(2019);L. Ma et al., Phys. ***. 125, 032502(2020);Z. Y. Zhang et al., Phys. Rev. Lett. 126, 152502(2021)]. In spite of these achievements,some neutron-deficient key nuclei in this mass region are still unknown in experiments. Machine learning algorithms have been applied successfully in different branches of modern physics. It is interesting to explore their applicability in α-decay studies. In this work, we propose a new model to predict the α-decay energies and half-lives within the framework based on a machine learning algorithm called the Gaussian process. We first calculate the α-decay properties of the new actinide nucleus 214 U. The theoretical results show good agreement with the latest experimental data, which demonstrates the reliability of our model. We further use the model to predict the α-decay properties of some unknown neutron-deficient actinide isotopes and compare the results with traditional models. The results may be useful for future synthesis and identification of these unknown isotopes.

关键词： alpha decay machine learning actinide nuclei

Resonance and antiresonance characteristics in linearly delayed Maryland model

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Chinese Physics B 2022年第12期31卷 102-109页

作者： Hsinchen Yu dong Bai Peishan He Xiaoping Zhang zhongzhou Ren Qiang Zheng State Key Laboratory of Lunar and Planetary Sciences Macao University of Science and TechnologyMacao 999078China CNSA Macao Center for Space Exploration and Science MacaoChina Department of Physics Nanjing UniversityNanjing 210008China School of Physics Science and Engineering Tongji UniversityShanghai 200092China Key Laboratory of Advanced Micro-Structure Materials(MOE) Tongji UniversityShanghai 200092China School of Physical Science and Technology Tiangong UniversityTianjin 300387China

The Maryland model is a critical theoretical model in quantum *** model describes the motion of a spin-1/2particle on a one-dimensional lattice under the periodical disturbance of the external delta-function-like magnetic *** this work,we propose the linearly delayed quantum relativistic Maryland model(LDQRMM)as a novel generalization of the original Maryland model and systematically study its physical *** derive the resonance and antiresonance conditions for the angular momentum ***“characteristic sum”is introduced in this paper as a new measure to quantify the sensitivity between the angular momentum spread and the model *** addition,different topological patterns emerge in the *** predicts some additions to the Anderson localization in the corresponding tight-binding *** theoretical results could be verified experimentally by studying cold atoms in optical lattices disturbed by a linearly delayed magnetic field.

关键词： quantum chaos dynamical localization resonance and topology

利用计算软件Maple研究(2+1)维ZK方程的精确行波解

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江西科学 2015年第3期33卷 358-361页

作者：董仲周吴国健王青良河南理工大学数学与信息科学学院河南焦作454003

借助于计算软件Maple,利用辅助函数法求解(2+1)维ZK方程,把求解非线性发展方程的问题转为求解代数方程组的问题,进而得到方程的七种精确行波解,其中解的形式包括双曲函数解、椭圆函数解、三角函数和幂函数解。最后,利用Maple软件给出了... 详细信息

借助于计算软件Maple,利用辅助函数法求解(2+1)维ZK方程,把求解非线性发展方程的问题转为求解代数方程组的问题,进而得到方程的七种精确行波解,其中解的形式包括双曲函数解、椭圆函数解、三角函数和幂函数解。最后,利用Maple软件给出了某些精确解的图形。

关键词：辅助函数法 ZK方程精确行波解

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变压器负荷测控装置的应用及经济性分析

河北电力技术 2011年第3期30卷 29-31页

作者：王建忠李丽丽董中洲石家庄供电公司石家庄050051

介绍变压器负荷测控装置的原理与功能,针对客户端用电情况,分析自动投入或切除变压器的经济性,并提出并列变压器使用负荷测控装置的方案和注意事项。

关键词：配电变压器并列运行负荷测控装置经济性

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分散控制系统的可靠性优化

吉林电力 2020年第4期48卷 40-42页

作者：张英豆中州曹伟李修成国家能源集团吉林龙华白城热电厂吉林白城137000 国网吉林省电力有限公司电力科学研究院长春130021 华能吉林发电有限公司九台电厂长春130501

为了提高分散控制系统(DCS)的可靠性,消除安全隐患,以某电厂330 MW机组为例,分析原DCS及保护系统存在的主要问题,对分散处理单元(DPU)、保护系统、电源等采取了一系列改善措施,改造后提高了控制系统自动化程度及安全稳定性。

关键词：分散控制系统(DCS) 安全隐患改造可靠性

Master microRNA-222 regulates cardiac microRNA maturation and triggers Tetralogy of Fallot

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Signal Transduction and Targeted Therapy 2022年第6期7卷 1895-1898页

作者： Chao Li Hongdou Li Xiaoying Yao dong Liu Yongming Wang Xinyi Huang zhongzhou Yang Wufan Tao Jian-Yuan Zhao Hongyan Wang Obstetrics and Gynecology Hospital NHC Key Laboratory of Reproduction RegulationShanghai Institute of Planned Parenthood ResearchState Key Laboratory of Genetic EngineeringSchool of Life Sciencesand Children’s HospitalFudan University200438 ShanghaiChina Shanghai Key Laboratory of Metabolic Remodeling and Health Institute of Metabolism and Integrative BiologyInstitute of Reproduction and DevelopmentFudan University200438 ShanghaiChina School of Life Science Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationCo-innovation Center of NeuroregenerationNantong University226019 NantongChina State Key Laboratory of Pharmaceutical Biotechnology and MOE Key Laboratory of Model Animal for Disease Study Nanjing University Medical School211166 NanjingChina Institute of Developmental Biology&Molecular Medicine Fudan University200438 ShanghaiChina

Dear Editor,Tetralogy of Fallot(TOF)is the most common complex congenital heart *** gene mutations and copy number variants,altered protein function induced by posttranscriptional or translational regulation also contributes to the onset of TOF.1 MiRNAs are short noncoding RNAs that bind to the 3’-UTR of target mRNAs to repress protein ***,the causal link between miRNAs and TOF and the underlying mechanism has not been established.

关键词： Fallot congenital cardiac