Results 21 to 30 of about 1,185,923 (296)
Quantitative Cross Polarization Magic-Angle Spinning NMR Spectroscopy in Solids
Chinese Journal of Magnetic Resonance, 2020 The combination of cross polarization and magic-angle spinning (CP/MAS), is a routine technique for signal enhancement in solid-state nuclear magnetic resonance (NMR) spectrum. With CP/MAS, the acquisition efficiency of solid-state NMR experiments can be
LIANG Li-xin, DENG Feng, HOU Guang-jin
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Micromachines, 2021 In order to make a piezoelectric vibration energy harvester collect more energy on a broader frequency range, nonlinearity is introduced into the system, allowing the harvester to produce multiple steady states and deflecting the frequency response curve.
Zhang Qichang, Yang Yang, Wang Wei
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Resonance enhancement by suitably chosen frequency detuning [PDF]
, 2020 In this Letter we report new effects of resonance detuning on various dynamical parameters of a generic 3-wave system. Namely, for suitably chosen values of detuning the variation range of amplitudes can be significantly wider than for exact resonance ...
Dutykh, Denys, Tobisch, Elena
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Nature Communications, 2020 Coke-induced catalyst deactivation draws increasing concerns in industrially catalytic processes. Here the authors provide a strategy integrating advanced mass spectroscopy and isotope labeling to uncover a cage-passing molecular route of coking species ...
Nan Wang +11 more
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RESONANCE EVALUATION OF 239Pu IN THE RESONANCE REGION UP TO 4 keV [PDF]
EPJ Web of Conferences, 2021 Resolved resonance evaluation of the 239Pu cross section in the energy range up 4 keV has been carried out with the SAMMY computer code. Existing resolved resonance evaluation such as ENDF/B-VIII.0 and JENDL4 data libraries for 239Pu is limited to 2.5 ...
Leal Luiz +2 more
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Nano-Micro Letters, 2019 Na-ion batteries (NIBs) have attracted considerable attention in recent years owing to the high abundance and low cost of Na. It is well known that S doping can improve the electrochemical performance of carbon materials for NIBs.
Yuquan Li +9 more
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p-wave Feshbach molecules [PDF]
, 2007 We have produced and detected molecules using a p-wave Feshbach resonance between 40K atoms. We have measured the binding energy and lifetime for these molecules and we find that the binding energy scales approximately linearly with magnetic field near ...
Bohn, J. L. +3 more
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Enhanced vibrational energy harvesting using non-linear stochastic resonance [PDF]
, 2008 Stochastic resonance has seen wide application in the physical sciences as a tool to understand weak signal amplification by noise. However, this apparently counter- intuitive phenomenon does not appear to have been exploited as a tool to enhance ...
Almog +18 more
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Nanomaterials, 2020 We synthesized manganese ferrite (MnFe2O4) nanoparticles of different sizes by varying pH during chemical co-precipitation procedure and modified their surfaces with polysaccharide chitosan (CS) to investigate characteristics of hyperthermia and magnetic
Khairul Islam +5 more
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The absolute position of a resonance peak [PDF]
, 1993 It is common practice in scattering theory to correlate between the position of a resonance peak in the cross section and the real part of a complex energy of a pole of the scattering amplitude.
AG Reiman +27 more
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