Results 211 to 220 of about 79,402 (264)

Cortical hierarchy underlying homeostatic sleep pressure alleviation. [PDF]

open access: yesNat Commun
Zou Q   +15 more
europepmc   +1 more source

PRESSURE FLUCTUATIONS DURING A THUNDERSTORM

open access: yesMonthly Weather Review, 1919
openaire   +1 more source

Pressure Fluctuating Tool

Proceedings of SPE Production Operations Symposium, 1985
ABSTRACT The Pressure Fluctuating Tool (PFT) utilizes a fluidic oscillator to create pulsating pressure for breaking down perforations. The maximum pressure fluctuations produced by the oscillator can be as great as 1500 psi (10,300 kPa) above and below downhole ambient pressure with frequency ranging from 140 to 160 cycles per second ...
R. A. Payne   +3 more
openaire   +1 more source

Pressure Sensitive Paint for Acoustic Pressure Fluctuations

Noise Control and Acoustics, 2005
Full-field luminescent pressure sensors are commonly referred to as Pressure Sensitive Paint (PSP). In this paper, the suitability of PSP for the detection of acoustic pressure fluctuations is evaluated. Single point measurements utilizing a photomultiplier tube are performed in an acoustic plane wave tube capable of generating pressure levels up to ...
Schanze, Kirk S.   +4 more
openaire   +2 more sources

Damping of intraocular pressure fluctuations

Clinical & Experimental Ophthalmology, 2012
AbstractBackground:  There is increasing evidence that relatively rapid spikes in intraocular pressure may contribute to axonal damage in glaucoma. The present study seeks to quantify the ability of a compressible damping element (a simple air bubble) to reduce intraocular pressure fluctuations induced by a known change in intraocular fluid volume ...
Stephen J, Cringle, Dao-Yi, Yu
openaire   +2 more sources

Contact Pressure Fluctuations

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 1996
This paper reintroduces an alternative plasticity index where σm is the r.m.s. profile slope.
openaire   +1 more source

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