نتایج جستجو برای: resonance ultrasonic spectroscopy
تعداد نتایج: 385437 فیلتر نتایج به سال:
This Perspective article highlights some of the traditional and non-traditional analytical tools that are presently used to characterize aqueous inorganic nanoscale clusters and polyoxometalate ions. The techniques discussed in this article include nuclear magnetic resonance spectroscopy (NMR), small angle X-ray scattering (SAXS), dynamic and phase analysis light scattering (DLS and PALS), Rama...
Dielectric spectroscopy is one of the most commonly used techniques for the investigation of the dynamic response of glass-forming materials. The tremendous slowdown of the particle motions when approaching the glass transition and especially the fast processes in glass-forming materials, which have come into the focus of scientific interest recently, make the investigation in a wide frequency ...
Photoionization spectra of Se have been studied by step-wise resonance laser ionization. The Rydberg series 4s24p3(4S)np3P0,1,2 and 4s24p3(4S)np5P1,2,3 were measured via different excitation schemes. Using the 4s24p3(4S)np3P2 with n = 15–49, ionization potential was determined improved precision to 76,658.15(2)stat(4)sys cm?1, which resolved discrepancy in previous literatures. Autoionizing (AI...
A double ultrasonic source has been shown to dramatically increase dispersion efficiency of carbon nanotubes. Thermal measurements of dispersing fluid only show temperature rises commensurate with the power levels of the two ultrasonic sources; which is validated by predictions of statistical energy analysis (SEA) based on wave superposition principles. In this paper, nonlinear wave resonance c...
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