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Mostrando 21 - 40 Resultados de 367 Para Buscar '"speed of sound"', tiempo de consulta: 0.23s Limitar resultados
  1. 21
    “…In PACT, the image quality is degraded due to the unknown distribution of the speed of sound (SoS). Emerging initial pressure (IP) and SoS joint-reconstruction methods promise reduced artifacts in PACT. …”
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    Multi-segmented feature coupling for jointly reconstructing initial pressure and speed of sound in photoacoustic computed tomography
  2. 22
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    Broadband Air-Coupled Ultrasound Emitter and Receiver Enable Simultaneous Measurement of Thickness and Speed of Sound in Solids
  3. 23
    “…[Image: see text] The speed of sound in helium was measured along five isotherms in a temperature range from 273 to 373 K at pressures from 15 to 100 MPa with a relative expanded uncertainty (k = 2) from 0.02 to 0.04%. …”
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    Speed of Sound Measurements in Helium at Pressures from 15 to 100 MPa and Temperatures from 273 to 373 K
  4. 24
    “…One of the fundamental quantities in dynamics of the liquid state, the adiabatic speed of sound [Formula: see text] , is extremely difficult to predict from computer simulations, especially in ab initio simulations. …”
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    Stress fluctuations and adiabatic speed of sound in liquids: a simple way to estimate it from ab initio simulations
  5. 25
    “…The subjects' calcaneal speed of sound was measured, and their blood was collected for biochemical analysis. …”
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    Serum testosterone, sex hormone-binding globulin and total calcium levels predict the calcaneal speed of sound in men
  6. 26
    por Kwon, Ji-Sun, Kim, Sangsoo
    Publicado 2014
    “…The speed of sound (SOS) value is an indicator of bone mineral density (BMD). …”
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    Gene-set based genome-wide association analysis for the speed of sound in two skeletal sites of Korean women
  7. 27
    “…The speed of sound in hydrogen isotopes can be applied to accurately determine the density, virial coefficient and equation of state. …”
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    Speed of sound in hydrogen isotopes derived from the experimental pvt data and an improved quantum law of corresponding state
  8. 28
    “…Based on literature showing very high correlations between MRI Dixon fat fraction and Speed-of-Sound (SoS), we hypothesized that we can detect short-term-immobilization-induced differences in SoS. …”
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    Quantification of immobilization-induced changes in human calf muscle using speed-of-sound ultrasound: An observational pilot study
  9. 29
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    Comparison of ultrasound speed-of-sound of the lower extremity and lumbar muscle assessed with computed tomography for muscle loss assessment
  10. 30
    “…The density and speed of sound of pentaglyme and hexaglyme in the N,N-dimethylformamide + water mixture at four temperatures are presented. …”
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    The Group Contribution to the Function Derived from Density and Speed-of-Sound Measurements for Glymes in N,N-Dimethylformamide + Water Mixtures
  11. 31
    “…In the current study, our goal was to obtain a robust model to predict the speed of sound in biodiesel. For this purpose, an extensive databank has been extracted from previously published papers. …”
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    Developing a Novel Method for Estimating the Speed of Sound in Biodiesel Known as Grey Wolf Optimizer Support Vector Machine Algorithm
  12. 32
    “…More in general, speed of sound measurements in the dense vapor phase are important for NICFD applications: for example, complex organic compounds are employed as working fluids in organic Rankine cycle power plants and the correct prediction of the dense-vapor speed of sound is of paramount importance for the design of the supersonic turbines equipping these systems. …”
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    Speed of Sound Measurements in Dense Siloxane D(6) Vapor at Temperatures up to 645 K by Means of a New Prismatic Acoustic Resonator
  13. 33
    “…The aim of the present clinical practice-based observational study was to examine the influence of ALN treatment for 1 year on the speed of sound (SOS) of the calcaneus and bone turnover markers in postmenopausal Japanese women with osteoporosis. …”
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    Influence of treatment with alendronate on the speed of sound, an ultrasound parameter, of the calcaneus in postmenopausal Japanese women with osteoporosis: a clinical practice-based observational study
  14. 34
    “…In this work, the density, viscosity, speed of sound, flash point, and surface tension of mixtures of military jet fuel JP-5 and biodiesels were measured at various temperatures. …”
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    Density, viscosity, speed of sound, flash point, bulk modulus, and surface tension of mixtures of military jet fuel JP-5 and biodiesels dataset
  15. 35
    “…[Image: see text] We describe an instrument to measure the speed of sound in liquids based on the dual-path, pulse-echo technique; it covers a temperature range of 228.15–423.15 K, with pressures of up to 93 MPa. …”
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    A Dual-Path Pulse-Echo Instrument for Liquid-Phase Speed of Sound and Measurements on p-Xylene and Four Halogenated-Olefin Refrigerants [R1234yf, R1234ze(E), R1233zd(E), and R1336mzz(Z)]
  16. 36
    “…The growth index depends upon the dark energy equation of state w, the speed of sound of the dark energy fluctuations, the dark matter abundance and the observed comoving scale. …”
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    Parameterizing the Effect of Dark Energy Perturbations on the Growth of Structures
  17. 37
    “…The molar mass of the argon was determined by comparing the speed of sound in it to the speed of sound in a standard sample of argon of accurately known chemical and isotoptic composition.…”
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    Measurement of the Universal Gas Constant R Using a Spherical Acoustic Resonator
  18. 38
    “…Results showed that a significant proportion of the Malaysian Chinese and Malay men had suboptimal bone health indicated by calcaneal speed of sound and vitamin D status. Age-related decline of the calcaneal speed of sound in these men was gradual and biphasic without ethnic difference. …”
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    Lessons from the Bone Chapter of the Malaysian Aging Men Study
  19. 39
    “…Measurements were taken in live subjects from QT Ultrasound images and values of speed of sound for each identified anatomical structure were plotted. …”
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    Anatomy-Correlated Breast Imaging and Visual Grading Analysis Using Quantitative Transmission Ultrasound™
  20. 40
    “…Mathematical models were used for each ionic liquid + water mixture to fit the density and speed of sound data. The increase in the alkyl chain leads to a tendency to decrease the values of density, speed of sound, and conductivity of the solutions. …”
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    Physical and chemical properties of binary mixtures of dibutylammonium-based ionic liquids and water
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