residual volume

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residual volume

[rə′zij·ə·wəl ′väl·yəm]
(physiology)
Air remaining in the lungs after the most complete expiration possible; it is elevated in diffuse obstructive emphysema and during an attack of asthma. Also known as residual air.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The authority also recommended a reserve volume be declared for the Kikuyu springs aquifer related to the swamp, to regulate the amount of water abstracted.
With the oil reserve volume of 4.4 billion barrels, Vietnam's reserves rank third in Asia and 28th in the world.
Increasing body mass index (BMI) is typically associated with a reduction in forced expiratory volume in one second (FEV1), forced vital capacity (FVC), total lung capacity, functional residual capacity, and expiratory reserve volume. With severe obesity, diaphragmatic movements are restricted and thoracic compliance is reduced.
Functional residual capacity, residual volume, and expiratory reserve volume decreases.
Approximately 5,700 boe of royalty interest reserve volume representing CAD0.2m of reserve value was assigned to the royalty lands in the company's third-party engineering report as of 31 December 2017.
Approximately 5,700 boe of royalty interest reserve volume representing USD0.2m of reserve value was assigned to the royalty lands in the company's third-party engineering report prepared by McDaniel and Associates Consultants Ltd.
[13] There also occurs a decrease in expiratory reserve volume and residual volume during pregnancy.
Although clear cut evidence is lacking, the mechanisms by which changes in respiratory functions occur are greater relaxation of respiratory muscles induced by supraspinal mechanisms which increases expiratory reserve volume, contributing to a rise in vital capacity.
During 2014, the group was unable to replace its reserve volume. For the FY2014, the group reported organic reserve replacement ration (RRR) of 55 per cent, which was below the standard mark of 100 per cent.
He stressed that, according to an independent audit, the reserves of the Galkynysh field, which ranks second in the world in terms of reserve volume, together with the Yashlar deposits, to date, are estimated at 26.2 trillion cubic meters of natural gas, taking into account the reserves of the newly discovered Garakel field included in the block of deposits -- up to 27.4 trillion cubic meters.