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  1. 4101
    “…Hospitals and ambulatory facilities significantly reduced cardiac care delivery in response to the first wave of the COVID-19 pandemic. The deferral of elective cardiovascular procedures led to a marked reduction in health care delivery with a significant impact on optimal cardiovascular care. …”
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    Cardiovascular Care Delivery During the Second Wave of COVID-19 in Canada
  2. 4102
    “…As climate-driven heat waves become more frequent and intense, there is increasing urgency to understand how thermally sensitive species are responding. …”
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    Thermal acclimation of tropical coral reef fishes to global heat waves
  3. 4103
    “…The design of an array of stacked leaky-wave antennas in groove gap waveguide technology is presented in this work. …”
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    Array of stacked leaky-wave antennas in groove gap waveguide technology
  4. 4104
    “…Here, we show that light-responsive cholesteric liquid crystal (LC) networks undergo a waving motion of their surface topography upon irradiation with light. …”
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    Light-Fueled Nanoscale Surface Waving in Chiral Liquid Crystal Networks
  5. 4105
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    Aortic pulse wave velocity in obesity as assessed by magnetic resonance imaging
  6. 4106
    “…The phase velocity dispersion of the surface acoustic waves on a basal plane of Si(100) has been calculated in the whole range of the azimuthal angle of propagation. …”
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    Theoretical and experimental revision of surface acoustic waves on the (100) plane of silicon
  7. 4107
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    The natural history of symptomatic COVID-19 during the first wave in Catalonia
  8. 4108
    “…It is shown that, in spite of the wave radiation into the adjacent liquid, a large group of Lamb waves are able to propagate along piezoelectric plates (quartz, LiNbO(3), LiTaO(3)) coated with a liquid layer (distilled water H(2)O). …”
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    An Analysis of the Water-to-Ice Phase Transition Using Acoustic Plate Waves
  9. 4109
    por Le, Thanh Ha, Tran, Thi Phuong Thao
    Publicado 2021
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    Alert for COVID-19 second wave: A lesson from Vietnam
  10. 4110
    “…The statistical distribution of these plasma regions explicitly identifies the source region of “storm time Pc5 ULF waves” and suggests an alternative mechanism for their generation in the night‐side inner magnetosphere.…”
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    Mirror Instabilities in the Inner Magnetosphere and Their Potential for Localized ULF Wave Generation
  11. 4111
    “…Here, an alternative mechanism for vortex beam generation is presented, wherein a free-space radiation possessing OAM is obtained by diffraction of Bloch Surface Waves (BSWs) on a dielectric multilayer. A circularly polarized laser beam is tightly focused on the multilayer surface by means of an immersion optics, such that TE-polarized BSWs are launched radially from the focused spot. …”
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    Vortex Beam Generation by Spin-Orbit Interaction with Bloch Surface Waves
  12. 4112
    “…Background: The first wave of COVID-19 pandemic may have significantly impacted antimicrobial consumption in hospitals. …”
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    Evolution of Antimicrobial Consumption During the First Wave of COVID-19 Pandemic
  13. 4113
    “…Considering that the ultrasonic method is applied for the quality evaluation of concrete, this study experimentally and numerically investigates the effect of inhomogeneity caused by changes in the moisture content of concrete on ultrasonic wave propagation. The experimental results demonstrate that the propagation velocity and amplitude of the ultrasonic wave vary for different moisture content distributions in the specimens. …”
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    Effect of Moisture Distribution on Velocity and Waveform of Ultrasonic-Wave Propagation in Mortar
  14. 4114
    “…Ultrasound evaluation may suggest the diagnosis. Additionally, shear-wave elastography (SWE) proved to be a valuable additional diagnosis tool in adults with CAT by assessing thyroid stiffness (TS). …”
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    Shear-Wave Elastography—Diagnostic Value in Children with Chronic Autoimmune Thyroiditis
  15. 4115
    “…Shear wave velocity and small-strain shear modulus are widely used as the mechanical properties of soil. …”
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    Piezoelectric Ring Bender for Characterization of Shear Waves in Compacted Sandy Soils
  16. 4116
    “…This work proposes a new wave-period estimation (L-dB) method based on the power-spectral-density (PSD) estimation of pitch and roll motional time series of a Doppler wind lidar buoy under the assumption of small angles (±22 deg) and slow yaw drifts (1 min), and the neglection of translational motion. …”
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    Estimation of Wave Period from Pitch and Roll of a Lidar Buoy
  17. 4117
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    Comparing the Wave Characteristics of Breakdown Pulses of the Lightning Waveforms in the Himalayan Region
  18. 4118
    por Pilcher, David, Durie, Matthew
    Publicado 2021
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    Learning from the First Wave of the Pandemic in England, Wales, and Northern Ireland
  19. 4119
    “…The complex Rayleigh waves play an important role in the energy conversion efficiency of magneto-electro-elastic devices, so it is necessary to explore the wave propagation characteristics for the better applications in engineering. …”
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    Complex Rayleigh Waves in Nonhomogeneous Magneto-Electro-Elastic Half-Spaces
  20. 4120
    por Hassan, Emad M., Mahmoud, Hussam N.
    Publicado 2021
    “…We show that multiple waves might cause an unprecedented impact on the hospitals if an increasing number of the population becomes susceptible and/or if the various protective measures are discontinued. …”
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    Impact of multiple waves of COVID-19 on healthcare networks in the United States
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