A back pressure valve on the gas outlet to maintain a steady pressure in the vessel.

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

To maintain a pressure in the cabin equivalent to an altitude close to sea level would, at a cruising altitude around 10,000 m (33,000 feet), create a pressure difference between inside the aircraft and outside the aircraft that would require greater hull strength and weight.

The overall pressure ratio of the compression system is 24.3.

Short settling time This hydraulic selection pressure on the microbial community allows the retention granular biomass inside the reactor while flocculent biomass is washed out.

It called on the international community to exert pressure on Israel to put an end to its aggression in the occupied Palestinian territories and to comply with the relevant United Nations resolutions.

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 reverse process, cytolysis, can occur if the cell is in a hypotonic solution resulting in a lower external osmotic pressure and a net flow of water into the cell.

Agitators for reform will continue to push. Regime loyalists will continue to push back.

The force pushing the water towards the low pressure region is called the pressure gradient force.

Diplomatic pressure needed

gas pressure bottles, and

The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area.

She's holding back tons of steel with the sheer force of her little personality, in that crone ish voice, saying things like, Back it up, buddy! No, it's reserved!

More importantly, it makes vision vulnerable to increased pressure within the eye (glaucoma) since this cups and damages the optic nerve at this point, resulting in impaired vision.

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.

Only when you want the pressure to be released, make an upward gesture, like this, but only when you want the pressure to be released.

Pulling the OMT Trigger

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As if we are all sinful creatures without minds, souls and volition.

Reducing demographic pressure on forests.

The airspeed is derived from the difference between the ram air pressure from the pitot tube, or stagnation pressure, and the static pressure.

A systolic pressure of 40 mm Hg typically implies a mean pressure of more than 25 mm Hg.

Two booster stages were added to the LP (low pressure) compressor, which increased the overall pressure ratio to 29.3.

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.

Europe is not without leverage.

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His knees press down right under my shoulders. Answer the interrogator with respect so that we keep respecting you! he says, trying hard to disguise his original accent.

We hope that there will be pressure in that direction.

We must continue pressing forward.

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.

A stressor is a chemical or biological agent, environmental condition, external stimulus or an event that causes stress to an organism.

For a vapor bubble to expand, the temperature must be high enough that the vapor pressure exceeds the ambient pressure (the atmospheric pressure, primarily).

The fire that killed the Apollo 1 crew in a launch pad test spread so rapidly because the capsule was pressurized with pure but at slightly more than atmospheric pressure, instead of the normal pressure that would be used in a mission.

Something to ease the stress for tonight, at least.

All you have to do is press the button.

Too much stress can lead to physical disease.

Social pressure for release?

Denmark continues to believe that pressure on the parties should be stepped up.

When that pressure faded, so did the political progress.

It should not be the result of pressure or nationalistic policies.

That a witness protection programme be established to eliminate pressure on witnesses.

And at the push of a button, it allows the artistic director to move between proscenium thrust and, in fact, arena and traverse and flat floor in a very quick transfiguration.