Mostrando 10,061 - 10,080 Resultados de 66,571 Para Buscar '"No wave"', tiempo de consulta: 0.36s Limitar resultados
  1. 10061
    por Li, Yehai, Wang, Kai, Su, Zhongqing
    Publicado 2018
    “…In this study, a new breed of functionalized epoxy-based composites is developed and fabricated, with a graphene nanoparticle-enriched, dispersed sensing network, whereby to self-perceive broadband elastic disturbance from static strains, through low-frequency vibration to guided waves in an ultrasonic regime. Owing to the dispersed and networked sensing capability, signals can be captured at any desired part of the composites. …”
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  2. 10062
    “…The proposed concept has the potential of significantly improving the capacity and spectral/energy efficiency of future mmWave massive MIMO systems.…”
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  3. 10063
  4. 10064
  5. 10065
    “…This work explores an innovative strategy for increasing the efficiency of compressed sensing applied on mm-wave SAR sensing using multiple weighted side information. …”
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  6. 10066
    “…PURPOSE: The purpose of this study was to evaluate the usefulness of the stability index (SI) in liver stiffness measurements using shear wave elastography (SWE) in children. METHODS: A total of 29 children and young adults (mean age, 16.1 years; range, 8 to 28 years; 11 boys and 18 girls) who underwent liver stiffness measurements using SWE under free-breathing and breath-holding conditions were included in our study. …”
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  7. 10067
    “…INTRODUCTION: Extracorporeal shock wave lithotripsy (ESWL) is one of the most useful methods available for the treatment of urolithiasis. …”
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  8. 10068
    “…Background: Slow-wave activity (SWA) in non-rapid eye movement (NREM) sleep, obtained by spectral analysis of the electroencephalogram, is a marker of the depth or intensity of NREM sleep. …”
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  9. 10069
    “…INTRODUCTION: The aim of this study was to compare root preparation of deciduous teeth with WaveOne Large (WO) and ProTaper F4 (PT) instruments with or without passive ultrasonic irrigation (PUI). …”
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  10. 10070
    “…Simultaneous emission of the THz wave and hard X-ray from thin water free-flow was induced by the irradiation of tightly-focused femtosecond laser pulses (35 fs, 800 nm, 500 Hz) in air. …”
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  11. 10071
    por Kim, Yooil, Kim, Ji-Sik, Kim, Gi-Woo
    Publicado 2018
    “…While high-frequency sound waves vibrate near the base of the cochlea (near the oval windows), low-frequency waves vibrate near the apex (at the maximum distance from the base), which suggests the existence of continuous frequency selectivity. …”
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  12. 10072
    “…Lightweight composites combining electromagnetic wave absorption and excellent mechanical properties are required in spacecraft and aircraft. …”
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  13. 10073
    “…We aimed to assess the prognostic value of tumour stiffness measured by ultrasound shear wave elastography (SWE). METHODS: A consecutive cohort of patients with invasive breast cancer underwent breast ultrasound (US) including SWE. …”
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  14. 10074
    “…Electromagnetic (EM) wave absorbing materials have been fabricated from diverse materials such as conductive polymers, carbon based nanostructures and magnetic metal oxides. …”
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  15. 10075
  16. 10076
    por Huan, Qiang, Chen, Mingtong, Li, Faxin
    Publicado 2018
    “…Guided wave-based inspection has emerged as a promising tool to evaluate the reliability of key components in modern industries. …”
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  17. 10077
  18. 10078
    “…BACKGROUND: One of the lithotripsy complications is urinary tract infection (UTI) and sepsis after extracorporeal shock wave lithotripsy (ESWL). The aim was to study the prophylactic effect of antibiotics on UTI after ESWL. …”
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  19. 10079
    “…The dynamic pulse wave responses of pulse sensors revealed in this study will contribute to the fabrication of improved pulse sensors and pulse wave analyses.…”
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  20. 10080
    “…Noninvasively determined local wave speed (c) and wave intensity (WI) parameters provide insights into arterial stiffness and cardiac-vascular interactions in response to physiological perturbations. …”
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