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.

Electrocardiogram (EKG ECG) testing is done to check for evidence that the heart is under strain from high blood pressure.

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.

Installing a conservative central banker helps to keep inflation expectations in check, thereby holding down long term interest rates and mitigating upward pressure on wages and prices.

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

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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.

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.

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

Europe s Reality Check

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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.

Protracted check ins and check outs reduce the effective stay of UNMOs in the field.

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An Inflation Reality Check

Mitt Romney s Reality Check

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Putin s Reality Check for Europe

Tim Jackson's economic reality check

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