| NP | nasopharynx, nasopharyngeal; near point; necrotizing pancreatitis; neonatal-perinatal; neuritic plag... |
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| NPV | negative predictive value; pressure value; negative pressure ventilation; net present value; nuclear... |
| OAP | Office of Adolescent Pregnancy; old age pension, old age pensioner; ophthalmic artery pressure; oste... |
| OP | occipitoparietal; occipitoposterior; occiput posterior; octapeptide; olfactory peduncle; opening pre... |
| OPP | osmotic pressure of plasma; oxygen partial pressure |
| pressure pulse |
The MWD downhole assembly generates pressure pulses in the drilling mud by retracting and extending the poppet valve. The type of pulse (zero or one) is determined by the time the plunger is allowed to remain in the extended position.
출처: www.bakerhughes.com/inteq/evaluation/mwd/glossary....
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| pressure |
Force per unit area, measured in interior ballistics terms of pounds per square inch.
출처: home.swipnet.se/longrange/glossary_of_terms.htm
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| pressure bandage |
A bandage for applying pressure; usually used to stop hemorrhage or prevent edema.
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| pressure chamber |
Hyperbaric chamber .
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| pressure generator |
A pneumatic engine that powers a life-support ventilator and incorporates a proportional meter, a motor-driven piston, or a blower. Pressure generators can adjust flow according to the patient's condition.
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