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

The exhaust pressure is controlled by a regulating valve to suit the needs of the process steam pressure.

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

Significance By observing the mercury in the column while releasing the air pressure with a control valve, one can read the values of the blood pressure in mm Hg.

That debate has been left to fester, serving as a dangerously dysfunctional pressure valve for turbulent and frustrated citizens across Europe.

A shuttle valve is a type of valve which allows fluid to flow through it from one of two sources.

In practice, the language barrier impairs this safety valve.

The liquid air, which takes up one thousandth of the volume of the gas, can be kept for a long time in a large vacuum flask at atmospheric pressure.

America s Strategy Vacuum

Negative pressure is believed to be a property of vacuum energy, but the exact nature and existence of dark energy remains one of the great mysteries of the Big Bang.

Labor migration operated as a safety valve against even worse unemployment.

Revolution in a Vacuum

Filling a Legal Vacuum

Nature abhors a vacuum.

It was developed by Valve Corporation and released on June 1, 2006.

The most common such abnormality is patent foramen ovale, occurring in about 25 of the adult population, but here the defect functions as a valve which is normally closed, because pressure is slightly higher in the left side of the heart.

In 1950s they were shrinking vacuum tubes, making them smaller and smaller. They finally hit a wall they couldn't shrink the vacuum tube any more and keep the vacuum.

Also, the Universe may enter a second inflationary epoch, or, assuming that the current vacuum state is a false vacuum, the vacuum may decay into a lower energy state.

The ground state of a quantum field theory is usually called the vacuum state or the vacuum.

Filling the Global Leadership Vacuum

This is actually a heart valve that we've engineered, and you can see here, we have the structure of the heart valve and we've seeded that with cells, and then we exercise it.

This may be able to provide higher tidal volumes than a Bag Valve Mask.

At best, it is a safety valve for democracy rather than an engine of it.

Bentall procedure Replacement of the damaged section of aorta and replacement of the aortic valve.

Judicial vacuum in the zone of confidence

None of this can occur in a vacuum.

But they do not operate in a vacuum.

Vacuum is space that is devoid of matter.

Yet, we do not act in a vacuum.

However, UNMIS could not succeed in a vacuum.

These forums do not operate in a vacuum.

These systems use a flywheel and valve attached to a hydraulic line that feeds the brake cylinders.

The fastest version of the Mark III on the UK market was the 16 valve h model.

This pushrod engine includes variable valve timing, a first in a mass produced non overhead cam engine.

Then the energy of the vacuum is exactly E0 .

On the political front, a power vacuum must be avoided.

Sexual exploitation and abuse do not occur in a vacuum.

The death of President Yasser Arafat left a great vacuum.

Sound pressure level Sound pressure is the difference, in a given medium, between average local pressure and the pressure in the sound wave.

It's got a vacuum formed, carbon nylon pan. Everything's holistically integrated.

Can Thailand s Prime Minister Thaksin Shinawatra fill the regional leadership vacuum?

Such a regional system cannot be built in a political vacuum.

The alternative to American leadership is a vacuum and increasing chaos.

But, absent further analysis, the leadership vacuum becomes a catchall explanation.

This vacuum could reduce trade flows even if demand were present.