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Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 301-307 doi: 10.1007/s11465-011-0238-7

Abstract:

A physical model for the shear horizontal (SH) wave propagating from left-handed material (LHM) througha graded or transition layer to right-handed material (RHM) has been proposed in this paper.

Keywords： left-handed material (LHM)     metamaterial     shear horizontal (SH) wave    

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Dispersion-engineered wideband low-profile metasurface antennas Review Articles

Wei E. I. LIU, Zhi Ning CHEN, Xianming QING

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 27-38 doi: 10.1631/FITEE.1900473

Abstract: A metasurface (MTS) can be characterized in terms of dispersion properties of guided waves and surface waves. By engineering the rich dispersion relations, setting particular boundary conditions, and selecting proper excitation schemes, multiple adjacent resonance modes can be excited to realize the wideband operation of low-profile MTS antennas. We introduce the op-erating principles of typical dispersion-engineered MTS antennas, and review the recent progress in dispersion-engineered MTS antenna technology. The miniaturization, circular polarization, beam-scanning, and other functionalities of MTS antennas are discussed. The recent development of MTS antennas has not only provided promising solutions to the wideband and low-profile antenna design but also proven great potential of MTS in developing innovative antenna technologies.

Keywords： Metasurface antenna     Dispersion engineering     Composite right/left-handed (CRLH)     Guided wave     Surface wave    

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Drug-coated balloon-only strategy for percutaneous coronary intervention of left main coronary artery

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 75-84 doi: 10.1007/s11684-022-0950-1

Abstract: all consecutive patients who underwent percutaneous coronary intervention (PCI) for a de novo leftTo best of our knowledge, no previous studies of DCB-only strategy of treating de novo left main8.6, 72% male), 52% of whom had acute coronary syndrome, underwent leftNo procedural mortality and no acute closures of the treated left main occurred.Left main PCI with the DCB only-strategy is safe leading to acceptable MACE and low TLR rates at one

Keywords： drug-coated balloon     left main     high bleeding risk     predilatation     calcifield lesion     percutaneous coronary    

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Incremental value of contrast echocardiography in the diagnosis of left ventricular noncompaction

Xiaoxiao Zhang,Li Yuan,Linli Qiu,Yali Yang,Qing Lv,Lin Li,Jing Wang,Lin He,Li Zhang,Xinfang Wang,Mingxing Xie,Xu Yu Jin

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 499-506 doi: 10.1007/s11684-016-0473-8

Abstract:

Contrast echocardiography with left ventricular opacification (LVO) improves the definition of endocardiumThis study was aimed to determine whether LVO offered added diagnostic value in noncompaction of left

Keywords： echocardiography     left ventricular noncompaction cardiomyopathy     echo contrast media    

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Challenges and opportunities in improving left ventricular remodelling and clinical outcome following

Frontiers of Medicine 2021, Volume 15, Issue 3,   Pages 416-437 doi: 10.1007/s11684-021-0852-7

Abstract: efficient valve haemodynamically, with low procedural complications that allows favourable remodelling of left

Keywords： surgical aortic valve replacement     trans-catheter aortic valve implantation     left ventricular hypertrophy    

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Evaluation of potential failure of rock slope at the left abutment of Jinsha River Bridge by model test

Zhiming ZHAO, Xihua WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 332-340 doi: 10.1007/s11709-013-0206-x

Abstract: The left bank slope composes of moderately thick layer of slate overlain by schistose basalt, and where

Keywords： slope stability     strength properties     model test     numerical analysis    

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cannulation of superior vena cava for a hemodialysis patient with an original dysfunctional catheter on the left

Li Zhou, Lin Chen, Yang Yu, Tianlei Cui, Xiao Li, Ping Fu

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 445-448 doi: 10.1007/s11684-017-0520-0

Abstract: hemodialysis patient with vascular access exhaustion and original dysfunctional catheter inserted via the leftThe DSA and MDCTV results revealed an occlusion in the right innominate vein and thromboses in the leftvia the superior vena cava of a patient with vascular access exhaustion and CUFF dysfunction on the left

Keywords： superior vena cava     intervention     vascular access exhaustion     catheterization     tunneled cuffed hemodialysis catheter    

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Assessment of global and regional left ventricular twist and displacement in anterior myocardial infarction

Wei HAN MM, Ming-Xing XIE MD, Qing LV MD, Xin-Fang WANG MD, Li ZHANG MM,

Frontiers of Medicine 2010, Volume 4, Issue 1,   Pages 71-76 doi: 10.1007/s11684-010-0006-9

Abstract: development of 2-dimensional strain (2D strain) imaging can provide a powerful alternative for assessing leftThis study was conducted to evaluate the global and regional left ventricular twist by 2D strain in patientsThis study demonstrated that 2D strain has a potential ability for quantification of left ventricular

Keywords： echocardiography     twist     two-dimensional strain imaging     coronary artery disease    

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Liquid metal material genome: Initiation of a new research track towards discovery of advanced energy

Lei WANG, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 317-332 doi: 10.1007/s11708-013-0271-9

Abstract: With many superior physical properties over conventional fluids, the low melting point liquid metal materialInspired by the Material Genome Initiative as issued in 2011 by the United States of America, a morespecific and focused project initiative was proposed in this paper—the liquid metal material genome aimedThe theoretical strategies and experimental methods in the research and development of liquid metal materialParticularly, the calculation of phase diagram (CALPHAD) approach as a highly effective way for material

Keywords： liquid metal material genome     energy material     material discovery     advanced material     room-temperature liquid    

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Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 141-152 doi: 10.1007/s11465-019-0531-4

Abstract: Enabled by advancements in multi-material additive manufacturing, lightweight lattice structures consistingThis work proposes a density-based robust topology optimization method for meso- or macro-scale multi-materiallattice structures under any combination of material and load uncertainties.The method utilizes a new generalized material interpolation scheme for an arbitrary number of materialsExamples of a cantilever beam lattice structure under various material and load uncertainty cases exhibit

Keywords： robust topology optimization     lattice structures     multi-material     material uncertainty     load uncertainty    

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Prognostic value of fasting glucose on the risk of heart failure and left ventricular systolic dysfunction

Hui Wang, Yang Zhang, Zhujun Shen, Ligang Fang, Zhenyu Liu, Shuyang Zhang

Frontiers of Medicine 2021, Volume 15, Issue 1,   Pages 70-78 doi: 10.1007/s11684-020-0749-x

Abstract: To investigate the effect of fasting blood glucose (FBG) on the risk of heart failure (HF) and left ventricular

Keywords： myocardial infarction     percutaneous coronary intervention     diabetes mellitus     fasting glucose     heart failure    

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Contemporary coronary artery bypass grafting

David P. Taggart

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 395-398 doi: 10.1007/s11684-014-0374-7

Abstract: grafting (CABG) remains the “gold standard” treatment for most patients with multivessel and left

Keywords： coronary artery bypass grafting (CABG)     coronary artery disease     left main     arterial grafts     internal mammary    

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Thoughts on Scientific Issues in Engineering Material Research

yuqiao

Strategic Study of CAE 1999, Volume 1, Issue 3,   Pages 1-4

Abstract: Although some achievements have been accumulated in material research at home and abroad, deeper investigationsare still needed on a more precise model and state equation corresponding to the damage of a specific materialand the erosion of the space articles as well as the increase of the retreat value of the protection materialbelong to the response of materials to high speed collision.Electromagnetic materials such as radome material, infrared stealth material and EM shielding material are all EM functioning materials with EM wave of

Keywords： material for radome     wave absorbing material     infrared stealth material     EMC material    

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A novel approach to minimizing material loss for computer numerical control flank-regrinding of worn

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0757-z

Abstract: However, the traditional method involves material waste by trial and error and dramatically decreasesstudy presented a new approach to planning the wheel path for regrinding worn end mills to minimize materialResults showed that the proposed approach could save 25% of cutter material compared with the traditionalThis work effectively provides a general regrinding solution for the worn flank with maximum material-saving

Keywords： flank-regrinding     worn end mill     wheel position and orientation     material loss     over-cut    

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A MATLAB code for the material-field series-expansion topology optimization method

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 607-622 doi: 10.1007/s11465-021-0637-3

Abstract: This paper presents a MATLAB implementation of the material-field series-expansion (MFSE) topo-logy optimizationThe MFSE method uses a bounded material field with specified spatial correlation to represent the structuralWith the series-expansion method for bounded fields, this material field is described with the characteristic

Keywords： MATLAB implementation     topology optimization     material-field series-expansion method     bounded material    

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Title Author Date Type Operation

Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Journal Article

Dispersion-engineered wideband low-profile metasurface antennas

Wei E. I. LIU, Zhi Ning CHEN, Xianming QING

Journal Article

Drug-coated balloon-only strategy for percutaneous coronary intervention of left main coronary artery

Journal Article

Incremental value of contrast echocardiography in the diagnosis of left ventricular noncompaction

Xiaoxiao Zhang,Li Yuan,Linli Qiu,Yali Yang,Qing Lv,Lin Li,Jing Wang,Lin He,Li Zhang,Xinfang Wang,Mingxing Xie,Xu Yu Jin

Journal Article

Challenges and opportunities in improving left ventricular remodelling and clinical outcome following

Journal Article

Evaluation of potential failure of rock slope at the left abutment of Jinsha River Bridge by model test

Zhiming ZHAO, Xihua WANG

Journal Article

cannulation of superior vena cava for a hemodialysis patient with an original dysfunctional catheter on the left

Li Zhou, Lin Chen, Yang Yu, Tianlei Cui, Xiao Li, Ping Fu

Journal Article

Assessment of global and regional left ventricular twist and displacement in anterior myocardial infarction

Wei HAN MM, Ming-Xing XIE MD, Qing LV MD, Xin-Fang WANG MD, Li ZHANG MM,

Journal Article

Liquid metal material genome: Initiation of a new research track towards discovery of advanced energy

Lei WANG, Jing LIU

Journal Article

Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Journal Article

Prognostic value of fasting glucose on the risk of heart failure and left ventricular systolic dysfunction

Hui Wang, Yang Zhang, Zhujun Shen, Ligang Fang, Zhenyu Liu, Shuyang Zhang

Journal Article

Contemporary coronary artery bypass grafting

David P. Taggart

Journal Article

Thoughts on Scientific Issues in Engineering Material Research

yuqiao

Journal Article

A novel approach to minimizing material loss for computer numerical control flank-regrinding of worn

Journal Article

A MATLAB code for the material-field series-expansion topology optimization method

Journal Article