Compressed air is air kept under a pressure that is greater than atmospheric pressure.

The filter works more quickly when the water supplied is under pressure.

The mitral valve opens when the pressure in the left atrium is greater than the pressure in the left ventricle.

Note that the boiling point of 100.0 C is at a pressure of 0.101325 MPa (1 atm), which is the average atmospheric pressure.

Rather than face up to the challenge, leaders first procrastinated and then buckled under pressure.

The water to be purified is placed in a chamber and put under an amount of pressure greater than the osmotic pressure exerted by the water and the solutes dissolved in it.

And institutions are going to come under an increasing degree of pressure, and the more rigidly managed, and the more they rely on information monopolies, the greater the pressure is going to be.

Under mounting pressure, McCarthy resigned from the post on 5 November 2002.

Greece, on the other hand, is under the influence of a strong import lobby.

With enough pressure, blood may travel from the right atrium to the left.

Pressure shall preferably be exerted over a significant area (equal to that of a vehicle) rather than a single point.

The answer may be under our feet.

The reforms, even if initially implemented under duress, represent the strongest grounds for optimism.

This could initiate savings and provide a measure of relief for the already stretched resources.

(i) The pressure required to break the fiber optic signal shall be appropriate for the intended target.

Maybe the cat is hiding under the bed?

For comparison, on top of Mount Everest, at elevation, the pressure is about and the boiling point of water is .

Coal. Coal turns out to be virtually the same stuff. It is probably plants, except that these have been burned and crushed under pressure.

Under pressure for increased political freedom, Banda agreed to a referendum in 1993, where the populace voted for a multi party democracy.

It is seen in ice at high pressure (Ice X), and also in the solid phase of many anhydrous acids such as hydrofluoric acid and formic acid at high pressure.

But pushing the re set button on US Russia relations may be harder than Obama and his team imagined.

In states that have codified constitutions, like the USA, however, pressure group influence is much more significant.

As Jupiter has no surface, the base of its atmosphere is usually considered to be the point at which atmospheric pressure is equal to , or ten times surface pressure on Earth.

Hypertension (HTN or HT) or high blood pressure, sometimes called arterial hypertension, is a chronic medical condition in which the blood pressure in the arteries is elevated.

The overall pressure ratio of the compression system is 24.3.

Structural analysis is often in terms of incompressible dynamic pressure, so that equivalent airspeed is a useful speed for structural testing.

The height of the king should be between .

So you take something like this, you burn it, you put it under pressure, and likely as not, you get this. Although, again, I stress we don't know.

If either candidate does not want to bring the national debt under control, he should be pressed to explain why.

Physicists do not need to know the behavior of every molecule to predict how a gas will behave under pressure.

c) A call for political parties' national leaderships to sign, with citizen oversight, a commitment to transparency and professionalism in the election of their candidates to positions of public representation.

The Cray 2 was liquid cooled, and used a Fluorinert cooling waterfall which was forced through the modules under pressure.

Shadow functions Later personality researchers (notably Linda V. Berens) added four additional functions to the descending hierarchy, the so called shadow functions to which the individual is not naturally inclined but which can emerge when the person is under stress.

A Hayes maneuver (pressure applied below the umbilicus in cephalad and dorsal direction) elevates the root of the SMA, also slightly easing the constriction.

To control the odor, modern toilets use a small fan to keep the toilet under negative pressure, and exhaust the gasses to a vent pipe.

Under pressure, John tried to find a middle way by sending his son, the Prince Pedro, to Lisbon, to grant a constitution and establish the basis of a new government.

Worse is the purpose, which is to apply pressure on Member States to act under the pain of deprivation of funding for the Organization.

We have seen all too clearly in the past that countries under stress or recovering from conflict have slid back into anarchy and failure.

The pressure gradient is established by the temperature gradient of the plasma the outer part of the star is cooler than the core.

The greatest reduction in air flow occurs when breathing out, as the pressure in the chest is compressing the airways at this time.

In a rigid body vortex flow of a fluid with constant density, the dynamic pressure is proportional to the square of the distance r from the axis.

A barometer measures atmospheric pressure, or the pressure exerted by the weight of the Earth's atmosphere above a particular location.

The amount of pressure on the tissue is based on the size of the area of the contact the smaller the point of pressure, the greater effect it will have on the tissue.

The French mathematician Blaise Pascal reasoned that if the column of mercury was supported by air then the column ought to be shorter at higher altitude where the air pressure is lower.

The enthalpy of sublimation, or heat of sublimation, is the heat required to sublime one mole of the substance at a given combination of temperature and pressure, usually standard temperature and pressure (STP).