(n.) The pole or other support on which fowls rest at night; a perch.
(n.) A collection of fowls roosting together.
(v. i.) To sit, rest, or sleep, as fowls on a pole, limb of a tree, etc.; to perch.
(v. i.) Fig.; To lodge; to rest; to sleep.
Example Sentences:
(1) These chemical body burdens were obtained naturally under free-living conditions at the maternity roost.
(2) By exploiting this bat's preference to roost in crevices, we could separately measure O2 uptake during ventilatory bouts and apneic periods using a flow-through metabolic chamber with a small dead space volume and short time constant.
(3) Nevertheless I am thankful that Elizabeth Windsor has ruled the roost rather than some of those likely to have become president in her place.
(4) Facebook Twitter Pinterest An example of a rare Bechstein’s bat roost in a partially hollow oak tree, Finemere Wood, Buckinghamshire, ancient wood and nature reserve next to HS2 Photograph: Patrick Barkham for the Guardian After Prideaux dropped me off in a neighbour’s muddy farmyard, I climbed a hill into Finemere Woods, an ancient woodland owned by Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust .
(5) A survey was made by serology and virus isolation techniques on 387 wild free-flying birds that fed and roosted in the area.
(6) The improved performance with water-cooled over air-equilibrated roost treatments, especially during heat-stress periods, indicates that the water-cooled roosts minimized the deleterious effects of heat stress through conductive heat loss from the birds to the roost.
(7) The Tories had previously always been the very clear second place challengers in Brent East, particularly when Ken Livingstone ruled the local roost.
(8) Collections of this tick were associated with bat roosting sites in attics of houses.
(9) Birds roosting on the floor tended always to be the same individuals.
(10) Turnbull had “consistently talked down” the cost of the Coalition’s fibre to the node model “and now the chickens are coming home to roost”, Quigley wrote in the paper.
(11) A split-plot experiment was conducted in thermally controlled chambers using Columbian Plymouth Rock chickens to determine the effect of water-cooled roosts on performance in hot ambient conditions.
(12) Brains of juvenile gray bats, Myotis grisescens, found dead beneath maternity roosts in two Missouri caves contained lethal concentrations of dieldrin.
(13) Decreases in performance during the heat-stress period from the thermoneutral control values were: 5.95 and 13.1 percentage points for hen-day egg production, 22.2 and 34.8 percentage points for average daily feed intake, and 5.17 and 15.38 percentage points for hatchability in water-cooled and air-equilibrated roost treatments, respectively.
(14) Seven species of mites were recovered from 133 Brazilian free-tailed bats, Tadarida brasiliensis, and 94 big brown bats, Eptesicus fuscus, from February through November 1990 in colonies that shared roosting space in east-central Alabama.
(15) Plater's agent for many years was the terrifying Peggy Ramsay, whom he memorialised in his Hampstead theatre play, Peggy for You (1999), with Maureen Lipman giving one of her greatest performances, ruling the roost in her St Martin's Lane eyrie with the eccentric hauteur of a mad Russian empress.
(16) But four years after Greece went hypercritical, triggering a eurozone sovereign debt crisis and a reshaping of how the EU works, the social, economic and political costs of the upheaval are coming home to roost.
(17) Hens were housed in an apparatus consisting of an upper roosting chamber connected to two descending passages which led to separate identical feeding chambers.
(18) It is concluded that the water-cooled roost partially alleviated heat stress by lowering metabolic rate.
(19) Birds subjected to the water-cooled roost treatment had consistently higher performance than birds using the air-equilibrated roost under all three ambient temperatures.
(20) On top of that the SNP, which would doubtless rule the roost in the aftermath of a vote for independence it would rightly be seen to have brought about, is still no party of the centre-left.
Tidal
Definition:
(a.) Of or pertaining to tides; caused by tides; having tides; periodically rising and falling, or following and ebbing; as, tidal waters.
Example Sentences:
(1) HFV was delivered at frequencies (f) of 3, 6, and 9 Hz with a ventilator that generated known tidal volumes (VT) independent of respiratory system impedance.
(2) For these augmented breaths, tidal volume, inspiratory time, and expiratory time were not different from the next augmented breath occurring in the same run in the steady state.
(3) Despite end-tidal CO2 monitoring, five children inadvertently developed PaCO2 greater than 50 torr during the study.
(4) As an inspiratory monitor in the curarized patient, the sensor responds quantitatively to persisting spontaneous tidal volumes of 1 ml.
(5) The tidal volume increase under CO2 inhalation was suppressed by the inflation reflex but other afferent vagal nerves seemed to be closely associated with the increased respiratory rate.
(6) Tidal volume increased by 32 percent (P less than 0.03), minute ventilation by 38 percent (P less than 0.02), dynamic compliance by 29 percent (P less than 0.004), and inspiratory flow rates by 54 percent (P less than 0.01).
(7) The relationship between mean pulmonary artery pressure (PAP) and alveolar pressures, at varying tidal volumes and opposing variable pressure to expiratory flow, was studied in 14 healthy dogs at the end of inspiration and at the end of expiration.
(8) A reduction of tidal volume to zero or an increase by 30% led to a corresponding change of mean carotid artery pH level.
(9) We have studied the EEG analysed with the cerebral function analysing monitor (CFAM) during trimetaphan (TMP)-induced hypotension to a mean arterial pressure (MAP) of 40 mm Hg in 20 normocapnic patients anaesthetized with either 1% end-tidal isoflurane or 0.5% halothane.
(10) Bohr's equation (BE); 2. ideal alveolar air equation for O2 (IDO2); 3. end-tidal (ET); 4. by the Rahn's definition of 'mean alveolar gas', i.e., alveolar pressures are defined when instantaneous respiratory exchange ratio (IRQ) equals mean respiratory exchange ratio (MRQ).
(11) The results confirmed that the fall of end tidal carbon dioxide tension (P(ET)CO2) during hyperventilation and rise during recovery was exponential.
(12) After insertion of venous and arterial (radial and pulmonary) catheters, baseline measurements of tidal volume (VT), respiratory rate (RR), ventilatory response to CO2, and arterial and mixed venous blood gases were made.
(13) To test the hypothesis that during unsupported arm exercise (UAE) some of the inspiratory muscles of the rib cage partake in upper torso and arm positioning and thereby decrease their contribution to ventilation, we studied 11 subjects to measure pleural (Ppl) and gastric (Pga) pressures, heart rate, respiratory frequency, O2 uptake (VO2), and tidal volume (VT) during symptom-limited UAE.
(14) This effect increased as lung volume decreased, so that the greatest difference between DLcoSB-3EQ after a deep breath and that after tidal breathing occurred at the lowest lung volume.
(15) On the other hand, because of concomitant compensatory changes in respiratory pattern, evidenced by increases in inspiratory duration with age, the end-inspiratory tidal volume loss in the maturing animal was maintained generally less than 10% at all postnatal ages.
(16) However, the magnitude of the pressure oscillation even at tidal volumes four times normal was always significantly below that observed during spontaneous eupnic respiration.
(17) Tidal shortening will increase the force output of costal while decreasing that of the crural diaphragm.
(18) The dynamic steady-state ventilation image can be analyzed to separate tidally exchanged and resident 81mKr.
(19) In asthmatic patients, minute ventilation and tidal volume increased above that of control subjects following methacholine and exercise, but the rate was no higher than in control subjects.
(20) In nine normal subjects duplicate measurements were made in the erect (seated), supine, and lateral decubitus posture, at a constant tidal volume (700 ml) and frequency (1 Hz) starting from functional residual capacity (FRC).