pressure level

Definitions

  • WordNet 3.6
    • n pressure level the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit) "the compressed gas exerts an increased pressure"
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Usage

In literature:

The pressure of society reduces him to this level.
"A Residence in France" by J. Fenimore Cooper
Under pressure it is difficult to ascertain such things; one's true level may be higher or lower.
"The Firing Line" by Robert W. Chambers
If the pressure of the gas is small, the mercury changes its level but very little.
"General Science" by Bertha M. Clark
Half an hour later the pain returned; Tiger took another tracing while Dal checked his venous pressure and shock level.
"Star Surgeon" by Alan Nourse
The air pressure gauge was spinning up toward normal sea-level air pressure.
"Space Tug" by Murray Leinster
Between the pressure ridges are the old floes, more or less level.
"The North Pole" by Robert E. Peary
A steam and water capacity sufficient to prevent any fluctuation in steam pressure or water level.
"Steam, Its Generation and Use" by Babcock & Wilcox Co.
By the time it had reached the lower level, the elevator was up to pressure.
"Anchorite" by Randall Garrett
A term signifying the normal level of a barometer for a given station, or the mean pressure between 32 deg.
"The Sailor's Word-Book" by William Henry Smyth
In one frenzied movement the rifle is levelled across the parapet, first pressure of the trigger taken and the shadowy bulk watched.
"Norman Ten Hundred" by A. Stanley Blicq
Nothing but the pressure of the atmosphere could thus cause part of the water to rise within the jar, above its own level.
"Endless Amusement" by Unknown
As one ascends to higher levels, the air pressure becomes less and less.
"Earth and Sky Every Child Should Know" by Julia Ellen Rogers
But the habitable regions of the Earth do not extend even so far upward as to the level of a pressure of 7.3 lb.
"Are the Planets Inhabited?" by E. Walter Maunder
Water always rises to its level when the pressure is removed.
"Proceedings of the Second National Conservation Congress" by Various
The level of the mercury in the globe was noted exactly, as well as the temperature and the pressure.
"In Search of a Son" by William Shepard Walsh
It is this pressure, therefore, which maintains the difference of level.
"A Treatise on Meteorological Instruments" by Henry Negretti
The pressure of the atmosphere at the level of the ocean is about fifteen pounds to the square inch.
"Lectures on Ventilation" by Lewis W. Leeds
The air enters just above the water-level, at a pressure of 4 in.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4" by Various
If the pressure hand would read 28.05 the adjustable copper hand would read 30.00 which is the sea level reading.
"Reading the Weather" by Thomas Morris Longstreth
The pressure is then maintained at this level for 3 minutes.
"Scurvy Past and Present" by Alfred Fabian Hess
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In news:

It can be used for differential pressure or level applications.
SOR Achieves SIL Certification for Pressure and Level Switches.
Edarbyclor statistically superior in reducing blood-pressure levels among hypertension patients.
But those wells ran dry when Lake Cumberland's levels were dropped to take pressure off the leaking Wolf Creek Dam.
The V Port Ball Valve Series is designed for the control of pressure, temperature, flow, and level.
Caffeinated drinks, including coffee, raise your blood pressure slightly by increasing the levels of stress hormones.
Fiscal pressures are pushing federal managers to consider reorganization at the agency or program level, but few say they're prepared to handle the human capital effects of a shake-up.
The price of gold, which has climbed for years like a blood-pressure reading for anxious investors, plunged Wednesday to its lowest level in three months.
There is an upper level low pressure system currently over New England that has rotated down.
Pressures can decrease in cold weather, so you should inspect them regularly and ensure you fill them to the correct levels.
It means that the oil level or oil pressure is too low.
A wood prop block made from a pressure-treated cedar or redwood 2x6 will shore up a sagging rail and keep it level.
Pressure mounts to restore Great Lakes water levels.
Exercise has shown to lower blood pressure and cholesterol levels for these two reasons .
Smiths Medical offers the Level 1 ConductiTherm Warming System with built-in pressure relief designed for positioning under the patient.
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In science:

From electronic band structure calculations for Ba it was concluded that the 5d component in the conductionelectron wave function increases strongly under pressure, transforming Ba into a 5d transition metal through s-d hybridization at the Fermi level.
Assembling the puzzle of superconducting elements: A Review
Remaining at the OCM level, improving the reliability of the virial route – which takes Pocm to approximate the total pressure – is possible by formally including a density derivative of the effective potential into the forces from which the virial is computed, see e.g. sections 4.2 of both references or .
Testing the relevance of effective interaction potentials between highly charged colloids in suspension
Since density data are not provided, the geopotential height for the pressure level, h(p), is by vertical interpolation transformed into a function p(h).
A Solar System Test of Mach's Principle with Gravimetric Data
Increase the level of stress (e.g., amplitude in temperature cycling, voltage, or pressure ) under which test units operate. A unit will fail when its strength drops below applied stress.
A Review of Accelerated Test Models
Experimental confirmation of a collisional mechanism populating vibrational levels of the C3Πu state which might induce an additional pressure dependence of the 2P relative intensities has been shown in .
Air Fluorescence Relevant for Cosmic-Ray Detection - Summary of the 5th Fluorescence Workshop, El Escorial 2007
Most authors provide values of the characteristic pressures for each v value using the experimental results of several molecular bands with the same upper level v .
Air Fluorescence Relevant for Cosmic-Ray Detection - Summary of the 5th Fluorescence Workshop, El Escorial 2007
Fig. 11.— Orszag-Tang Vortex: thirty equally-spaced contour levels between max and min value of the numerical solution at t = 0.5 respectively for density (top-left), gas pressure (top-right), specific kinetic energy (bottom-left) and magnetic pressure (bottom-right).
Constrained-Transport Magnetohydrodynamics with Adaptive-Mesh-Refinement in CHARM
Fig. 13.— Rotor Problem: thirty equally-spaced contour levels between max and min value of the numerical solution at t = 0.15 respectively for density (top-left), gas pressure (topright), Mach number (bottom-left) and magnetic pressure (bottom-right).
Constrained-Transport Magnetohydrodynamics with Adaptive-Mesh-Refinement in CHARM
Fig. 15 shows from top to bottom the solution for the density, gas pressure, magnetic field magnitude and plasma beta parameter (β = Pgas/PB ), at time t = 0.021251, corresponding to 160 cycles on the finest level.
Constrained-Transport Magnetohydrodynamics with Adaptive-Mesh-Refinement in CHARM
Sano, T., Inutsuka, S.-i., Turner, N.J. and Stone, J.M., “Angular Momentum Transport by Magnetohydrodynamic Turbulence in Accretion Disks: Gas Pressure Dependence of the Saturation Level of the Magnetorotational Instability”, Astrophys. J., 605, 321–339 (2004). [DOI], [ADS], [arXiv:astro-ph/0312480].
Foundations of Black Hole Accretion Disk Theory
To this extent, the vacuum condensate may be considered ”a spectator”, which marks the zero-energy (and pressure) level.
QCD against BlackHoles of Stellar Mass
The results for the fluctuations-corrected interaction pressure from Eq. 33 on the weak coupling approximation level are shown on Fig. 2 for Ξ = 1, εext = 0.05 and R = 1, for various values of the counterion polarizability α.
Electrostatic interactions mediated by polarizable counterions: weak and strong coupling limits
After formulating the model and casting it into a field-theoretic form, we derive the pressure and the ionic density in the mean-field level approximation – corresponding to the saddle-point of the field-theoretic action.
Electrostatic interactions mediated by polarizable counterions: weak and strong coupling limits
The red line (b, d, f ) shows the classical level of the Casimir pressure for a = 4 × 10−7 m.
Casimir expulsion of shifted configurations
At the level of perturbations, different DE models with a given background evolution could differ through their pressure perturbation, or their anisotropic stress.
TASI Lectures on Cosmological Perturbations
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