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德国医学 1989年第1期6卷 15-16页

作者： bohm,m. 张金枝

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伊伐布雷定可改善慢性心衰的临床转归

中国处方药 2010年第9期9卷 56-56页

作者： Swedberg K Komajda m bohm m

选择性窦房结抑制剂伊伐布雷定（ivabradine）降低心率是否有益于心衰患者的临床转归？此项随机双盲安慰剂对照的平行试验进行了研究。

关键词：伊伐布雷定临床转归慢性心衰窦房结抑制剂安慰剂对照心衰患者平行试验随机双盲

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高血压高危患者的去肾交感神经术治疗

中华高血压杂志 2020年第8期28卷 775-775页

作者：刘青(译) 刘莉(校) mahfoud F mancia G Schmieder R Narkiewicz K Ruilope L Schlaich m Whitbourn R Zirlik A Zeller T Stawowy P Cohen SA Fahy m bohm m 不详

去肾交感神经术(renal denervation,RDN)治疗难治性高血压的研究正在进行中,对于心血管病风险较高的患者来说,RDN可能是一种具有吸引力的治疗方法。确定基线心血管病风险是否会影响RDN的有效性非常重要。该项研究的目的是评估伴有各种... 详细信息

去肾交感神经术(renal denervation,RDN)治疗难治性高血压的研究正在进行中,对于心血管病风险较高的患者来说,RDN可能是一种具有吸引力的治疗方法。确定基线心血管病风险是否会影响RDN的有效性非常重要。该项研究的目的是评估伴有各种合并症的患者RDN后的血压降低和事件发生率,并验证RDN在这些高风险人群中有效且持久这一假设。

关键词：难治性高血压高风险人群去肾交感神经术高危患者心血管病风险血压降低事件发生率合并症

难治性高血压患者行肾去交感神经消融术后心肺系统对运动的反应

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中华高血压杂志 2012年第2期20卷 199-199页

作者： Ukena C mahfoud F Kindermann I Barth C Lenski m Kindermann m Brandt mC Hoppe UC Krum H Esler m Sobotka PA bohm m 林东杰叶鹏

介入性肾脏交感神经消融术（renal sympathetic denervation，RD）可降低难治性高血压患者静息时的血压。该研究旨在探讨RD后心肺系统对运动反应的影响。方法：人选了46例难治性高血压患者进行研究，作为“难治性高血压患者肾交感神经... 详细信息

介入性肾脏交感神经消融术（renal sympathetic denervation，RD）可降低难治性高血压患者静息时的血压。该研究旨在探讨RD后心肺系统对运动反应的影响。方法：人选了46例难治性高血压患者进行研究，作为“难治性高血压患者肾交感神经消融术临床试验”（Symplicity HTN-2）的延伸调查。

关键词：高血压患者去交感神经运动反应心肺系统难治性肾脏术后肾交感神经

Interface evolution of TiAl/Ti6242 transient liquid phase joint using Ti, Cu foils as insert metals

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中国有色金属学会会刊：英文版 2005年第2期15卷 375-378页

作者：段辉平 K.H.bohm V.Ventzke m.Koak School of materials Science and Engineering Beijing University of Aeronautics and Astronautics Beijing 100083 China Institute for materials Research GKSS Research Center Geesthacht Geesthacht D-21502 Germany

The interface evolution of TiAl/Ti6242 joint produced by transient liquid phase(TLP) bonding with Ti, Cu foils as insert metals was investigated. The results show that the surface oxide layer on TiAl plays a very important role in the formation process of the joint. A ‘bridge’ effect is observed because of the presence of the oxide layer on the surface of TiAl. The diffusion behavior of Cu atoms in TiAl is strongly controlled by the vacancies beneath the surface of TiAl. Based on the interface diffusion and interface wettability, a mechanism for the effect of bonding pressure, bonding temperature, holding time and stacking sequence of the insert foils on the joint formation process were proposed.

关键词：铝钛合金瞬态液相压焊表面蒸气机械性能

magnetic wallpaper Dirac fermions and topological magnetic Dirac insulators

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npj Computational materials 2023年第1期9卷 1695-1702页

作者： Yoonseok Hwang Yuting Qian Junha Kang Jehyun Lee Dongchoon Ryu Hong Chul Choi bohm-Jung Yang Center for Correlated Electron Systems Institute for Basic Science(IBS)Seoul 08826Korea Department of Physics and Astronomy Seoul National UniversitySeoul 08826Korea Center for Theoretical Physics(CTP) Seoul National UniversitySeoul 08826Korea

Topological crystalline insulators(TCIs)can host anomalous surface states which inherits the characteristics of crystalline symmetry that protects the bulk ***,the diversity of magnetic crystalline symmetries indicates the potential for novel magnetic TCIs with distinct surface ***,we propose a topological magnetic Dirac insulator(TmDI),whose two-dimensional surface hosts fourfold-degenerate Dirac fermions protected by either the p'_(c)4mm or p40 g0 m magnetic wallpaper *** bulk topology of TmDIs is protected by diagonal mirror symmetries,which give chiral dispersion of surface Dirac fermions and mirror-protected hinge *** propose candidate materials for TmDIs including Nd_(4)Te_(8)Cl_(4)O_(2)0 and DyB_(4) based on first-principles calculations,and construct a general scheme for searching TmDIs using the space group of paramagnetic parent *** theoretical discovery of TmDIs will facilitate future research on magnetic TCIs and illustrate a distinct way to achieve anomalous surface states in magnetic crystals.

关键词： Dirac topological protected

Effect of bohm quantum potential in the propagation of ion–acoustic waves in degenerate plasmas

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Chinese Physics B 2016年第10期25卷 222-229页

作者： m m Hasan m A Hossen A Rafat A A mamun Department of Physics Jahangirnagar University

A theoretical investigation has been carried out on the propagation of the ion–acoustic(IA) waves in a relativistic degenerate plasma containing relativistic degenerate electron and positron fluids in the presence of inertial non-relativistic light ion fluid. The Korteweg-de Vries(K-dV), modified K-dV(m K-dV), and mixed m K-dV(mm K-dV) equations are derived by adopting the reductive perturbation method. In order to analyze the basic features(phase speed, amplitude, width,etc.) of the IA solitary waves(SWs), the SWs solutions of the K-dV, m K-dV, and mm K-d V are numerically analyzed. It is found that the degenerate pressure, inclusion of the new phenomena like the Fermi temperatures and quantum mechanical effects(arising due to the quantum diffraction) of both electrons and positrons, number densities, etc., of the plasma species remarkably change the basic characteristics of the IA SWs which are found to be formed either with positive or negative potential. The implication of our results in explaining different nonlinear phenomena in astrophysical compact objects, e.g.,white dwarfs, neutron stars, etc., and laboratory plasmas like intense laser–solid matter interaction experiments, etc., are mentioned.

关键词： bohm quantum potential degenerate relativistic plasma electron and positron quantum effect

Interactions of ion acoustic multi-soliton and rogue wave with bohm quantum potential in degenerate plasma

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Chinese Physics B 2017年第9期26卷 301-309页

作者： m S Alam m G Hafez m R Talukder m Hossain Ali Department of Applied mathematics University of RajshahiRajshahi-6205Bangladesh Plasma Science and Technology Lab Department of Applied Physics and Electronic EngineeringUniversity of RajshahiRajshahi-6205Bangladesh Department of mathematics Chittagong University of Engineering and TechnologyChittagong-4349Bangladesh

This work investigates the interactions among solitons and their consequences in the production of rogue waves in an unmagnetized plasmas composing non-relativistic as well as relativistic degenerate electrons and positrons, and inertial non-relativistic helium ions. The extended Poincare′–Lighthill–Kuo（PLK） method is employed to derive the two-sided Korteweg–de Vries（KdV） equations with their corresponding phase shifts. The nonlinear Schrodinger equation（NLSE） is obtained from the modified Kd V（mKdV） equation, which allows one to study the properties of the rogue waves. It is found that the Fermi temperature and quantum mechanical effects become pronounced due to the quantum diffraction of electrons and positrons in the plasmas. The densities and temperatures of the helium ions, degenerate electrons and positrons, and quantum parameters strongly modify the electrostatic ion acoustic resonances and their corresponding phase shifts due to the interactions among solitons and produce rogue waves in the plasma.

关键词： wave-wave interaction rogue waves degenerate plasmas bohm potential

Approximate energies and thermal properties of a position-dependent mass charged particle under external magnetic fields

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Chinese Physics B 2017年第6期26卷 22-30页

作者： m Eshghi H mehraban S m Ikhdair Young Researchers and Elite Club Central Tehran BranchIslamic Azad UniversityTehranIran Faculty of Physics Semnan UniversitySemnanIran Department of Physics Faculty of ScienceAn-Najah National UniversityNablusWest BankPalestine Department of Electrical Engineering Near East UniversityNicosiaNorthern CyprusMersin 10Turkey

We solve the Schrodinger equation with a position-dependent mass（PDm） charged particle interacted via the superposition of the morse-plus-Coulomb potentials and is under the influence of external magnetic and Aharonov–bohm（AB） flux fields. The nonrelativistic bound state energies together with their wave functions are calculated for two spatially-dependent mass distribution functions. We also study the thermal quantities of such a system. Further, the canonical formalism is used to compute various thermodynamic variables for second choosing mass by using the Gibbs formalism. We give plots for energy states as a function of various physical parameters. The behavior of the internal energy, specific heat, and entropy as functions of temperature and mass density parameter in the inverse-square mass case for different values of magnetic field are shown.

关键词： Schr?dinger equation morse-plus-Coulomb potentials position-dependent mass distribution functions perpendicular magnetic and Aharonov–bohm flux fields

Characteristics of Positive Ions in the Sheath Region of magnetized Collisional Electronegative Discharges

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Plasma Science and Technology 2014年第6期16卷 552-556页

作者： m.m.HATAmI A.R.NIKNAm Physics Department of K.N.Toosi University of Technology Laser-Plasma Research Institute of Shahid Beheshti University G.C.

A hydrodynamic model is used to investigate the characteristics of positive ions in the sheath region of a low-pressure magnetized electronegative discharge. Positive ions are modeled as a cold fluid, while the electron and negative ion density distributions obey the Boltzmann distribution with two different temperatures. By taking into account the ion-neutral collision effect in the sheath region and assuming that the momentum transfer cross section has a power law dependence on the velocity of positive ions, the sheath formation criterion （modified bohm＇s criterion） is derived and it is shown that there are specified maximum and minimum limits for the ion mach number m. Considering these two limits of m, the behaviors of electrostatic potential, charged particle density distributions and positive ion velocities in the sheath region are studied for different values of ion-neutral collision frequency.

关键词： electronegative plasma hydrodynamic model magnetized plasma sheath,bohm's criterion