Results 171 to 180 of about 602 (214)
Advanced Healthcare Materials, EarlyView.This review examines how cellular behavior is regulated by mechanical cues transmitted through soft biomaterials, from single‐cell mechanosensing to tissue‐level adaptation. It highlights why physiological relevance, rather than model complexity alone, is critical for translational mechanobiology and introduces a scoring framework linking material ...
Mathias Polz +9 more
wiley +1 more source
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Frequency-direction analysis of geomagnetic pulsations
Studia Geophysica et Geodaetica, 1973Summary: A new method is presented of computer processing of amplitude-time records. The method is based on a two-component spectral analysis, suitable for investigating a planar stationary oscillatory event. The method is applied to the study of the fine structure of short-period geomagnetic pulsations. Apart from a semi-quantitative representation of
Karel Dobeš +2 more
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Characteristics of high frequency auroral pulsations
Planetary and Space Science, 1967Abstract The power spectrum of pulsating aurora has been measured in the frequency range 1–20 c/s. It shows consistently an exponential fall off with increasing frequency above about 1–2 c/s. It is shown that this is consistent with an assumption that the modulation mechanism in the flux of primary particles takes place at some distance from the ...
Anders Omholt, Helge Pettersen
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An experimental investigation of the pulsation frequency of flames
Symposium (International) on Combustion, 1992Measurements of the pulsation frequency in non-premixed flames were conducted for gaseous and liquid fuels. Measurements were performed over a wide range of Froude number (≈10−4 to ≈103), Reynolds number (≈10 to ≈103) and burner diameter (0.0074 m to 0.30 m).
A. Hamins, J.C. Yang, T. Kashiwagi
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Frequency Analysis on Pulsating Heat Pipe
ASME 2007 InterPACK Conference, Volume 1, 2007The pulsating heat pipe should have one eigen frequency based on the temperature visualization of pulsating heat pipe. The preliminary model of pulsating heat pipe is established by the force balance between the driving force, the inertial force and the frictional force.
Wei Qu, Yuhua Li, Tongze Ma
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2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, 2010
The low-frequency pulsation mode is caused by an imbalance between the emission rate and supply rate of the liquid in Taylor cone volume. This imbalance leads to the contraction of the cone volume during the jetting of the liquid. The liquid could jet after the turn-on of a pulse voltage because of an exertion of electric force on the liquid meniscus ...
Lei Xu 0008 +4 more
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The low-frequency pulsation mode is caused by an imbalance between the emission rate and supply rate of the liquid in Taylor cone volume. This imbalance leads to the contraction of the cone volume during the jetting of the liquid. The liquid could jet after the turn-on of a pulse voltage because of an exertion of electric force on the liquid meniscus ...
Lei Xu 0008 +4 more
openaire +1 more source
Attenuation of low frequency pressure pulsations
2022In this thesis, the concept of hydraulic pulsating filter is explored and developed. The filter or resonator is designed to attenuate the pulsation that occurs when the hydraulic pump is discharged. Pumps pulsate over a range of frequencies, depending on pump design, speed, displacement, and other factors.
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High-frequency pulsations in DFB lasers with amplified feedback
IEEE Journal of Quantum Electronics, 2003Preprint: Weierstraß-Institut für Angewandte Analysis und Stochastik, vol ...
Brox, Olaf +7 more
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Frequency of Spontaneous Pulsations of the Central Retinal Vein in Glaucoma
Journal of Glaucoma, 2009To assess the prevalence of spontaneous pulsations of the central retinal vein in eyes with chronic open-angle glaucoma versus normal eyes in the setting of a general ophthalmic practice.The clinical observational case-series study included 167 eyes of 84 subjects with chronic open-angle glaucoma and 704 eyes (352 subjects) of a control group.
Ulrich, Legler, Jost B, Jonas
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Resonance Frequency of Bubble Pulsations (Approximate Solution)
Journal of Engineering Physics and Thermophysics, 2015The problem of bubble pulsations in a volume of a quiescent liquid with periodic external pressure fluctuations has been considered in a linear approximation. The incorrectness of the use of a polytropic approximation is shown. An approximate analytical solution for the resonance frequency of pulsations has been obtained.
Yu. B. Zudin, N. Sh. Isakov, V. V. Zenin
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