(n.) An aeriform fluid; -- a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be permanently elastic, as oxygen, hydrogen, etc., in distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gases have been liquified by cold and pressure, the term has resumed nearly its original signification, and is applied to any substance in the elastic or aeriform state.
(n.) A complex mixture of gases, of which the most important constituents are marsh gas, olefiant gas, and hydrogen, artificially produced by the destructive distillation of gas coal, or sometimes of peat, wood, oil, resin, etc. It gives a brilliant light when burned, and is the common gas used for illuminating purposes.
(n.) Laughing gas.
(n.) Any irrespirable aeriform fluid.
Example Sentences:
(1) Carbon dioxide (CO2) levels, volumes, and temperatures of expired gas were measured from the tracheal and esophageal tubes.
(2) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(3) Blood samples were analysed by mass spectroscopy and gas chromatography.
(4) Optimum rates of acetylene reduction in short-term assays occurred at 20% O2 (0.2 atm (1 atm = 101.325 kPa] in the gas phase.
(5) Glycosyl ceramide concentration was determined by gas-liquid chromatography of the trimethylsilyl ethers of the methyl glycosides.
(6) Early recognition is facilitated by monitoring of arterial blood gas levels for hypoxemia.
(7) "There is … a risk that the political, trade, and gas frictions with Russia could lead to strong deterioration in economic relations between the two countries, with a significant drop in Ukraine's exports to and imports from Russia.
(8) He said Germany was Russia’s most important economic partner, and pointed out that 35% of German gas originated in Russia.
(9) Ether extracts were analyzed by gas chromatography-mass spectrometry (GC-MS) and various chlorinated and non-chlorinated compounds were detected, e.g.
(10) Blood gas variables produced from a computed in vivo oxygen dissociation curve, PaeO2, P95 and C(a-x)O2, were introduced in the University Hospital of Wales in 1986.
(11) It is a specific clinical picture with extensive soft tissue gas and swelling of the forearm.
(12) A neodymium YAG (Nd:YAG) laser was evaluated in a dog ulcer model used in the same manner as is recommended for bleeding patients (power 55 W, divergence angle 4 degrees, with CO2 gas-jet assistance).
(13) The flow of a specified concentration of test gas exits from the mixing board, enters a distributing tube, and is then distributed equally to 12 chamber tubes housing one mouse each.
(14) The corresponding hydrides, mono-n-butyltin hydride, di-n-butyltin hydride, tri-n-butyltin hydride, monophenyltin hydride, diphenyltin hydride triphenyltin hydride, are detected by electron-capture gas chromatography after clean-up by silica gel column chromatography.
(15) Airway closure (CV), functional residual capacity (FRC) and the distribution of inspired gas (nitrogen washout delay percentage, NWOD %) and arterial oxygen tension (PaO2) was measured by standard electrodes in eight extremely obese patients before and after weight loss (mean weights 142 and 94 kg, respectively) following intestinal shunt operation.
(16) They were like some great show, the gas squeezing up from the depths of the oil well to be consumed in flame against the intense black horizon, like some great dragon.
(17) The existence of 5alpha-androstane-3alpha,17beta-diol in the androstanediol fraction could be demonstrated by gas chromatography and mass spectrometry (GC-MS).
(18) A pilot study was undertaken to determine the prevalence of gas in the puerperal endometrial cavity and to determine whether this finding has any relationship to the mode of delivery or to the development of puerperal endometritis.
(19) Inner Ear Decompression Sickness (IEDCS)--manifested by tinnitus, vertigo, nausea, vomiting, and hearing loss--is usually associated with deep air or mixed gas dives, and accompanied by other CNS symptoms of decompression sickness (DCS).
(20) Subjects underwent measurement of lung volumes, arterial blood gas analysis and an incremental bicycle exercise test.
Hermetic
Definition:
(a.) Alt. of Hermetical
Example Sentences:
(1) In general, after recording a baseline tympanogram, mechanically created positive and negative air pressures are created in a hermetically sealed ear canal causing increased pressure on the middle ear air cushion.
(2) The main characteristics required of a good endodontic fillingsmaterial are its perfectly hermetic sealing of the root canal, the eventual secondary canals, and the dentine canals, against bacteria.
(3) The respiration rate of spore suspensions of Bacillus anthracoides 96 was assayed by mass spectrometry employing a hermetically sealed reaction vessel constructed for this purpose.
(4) This technique uses a device consisting of a chamber with an apperture hermetically adaptable to the orbital borders.
(5) It was established that the plasma scalpel can be used effectively in hermetic closure of defects in the pulmonary tissue and cleansing of the pleural cavity and operative wound; for arresting diffuse bleeding from the walls of the pleural cavity, the plasma scalpel may be used only in combination with other methods of hemostasis.
(6) The hospital’s chief executive, Dr Iris Minde, said at the time there was no risk of infection for other people because he was kept in a secure isolation ward specially equipped with negative pressure, hermetically sealed rooms.
(7) The goal of the study was to determine histological criteria of the peritonitis course in order to establish the earliest time for hermetic closure of the abdominal cavity.
(8) The hermetically sealed defibrillator is encased in titanium, weighs 250 g and has a volume of 145 ml.
(9) - A technology for the hermetic encapsulation of a pacemaker is described.
(10) The various symptoms in Psychosis can be brought to a selective deficit of the experience's pre classifying such as: -lack of "reversibility" troubling the course of thoughts, causing hermetism etc... -lack of "continuity" making easier experience materiality causing hallucinations.
(11) This method was found to allow determination of the transport function of different variants of lympho-venous and lymphonodular-venous anastomoses, their patency and hermetic capacity and detection of the functionally more advantageous variant of the operation for the introduction into practice.
(12) Unanesthetized rats put in the hermetic chamber breathed with a gas mixture containing 10.5% of oxygen in nitrogen during 30 and 60 min (moderate hypoxia), and 3.5% of oxygen in nitrogen for 30 min (severe hypoxia).
(13) Series III now totals 20 doubly hermetically sealed units, tested for up to three years (total more than 300 months or 26 years), with no pacemaker failures.
(14) This finding seems to be optimistic in an attempt to perform the hermetic sealing of the apical foramen.
(15) Into the ipsilateral canine, a cannula hermetically sealed and filled with heparinized saline solution was inserted.
(16) Possible sensibilization of these factors necessitated hygienic and sanitary measures (ventilation, hermetization of the equipment, aspiration, dust-cleaning, bactericidal light devices provision) which lowered the bacterial contamination level by 40-60%.
(17) The present system might be substantially improved by (1) a modified receiver design with a hermetic seal to prevent fluid penetration, (2) stronger, better insulated electrode wires, and (3) modifications of surgical technique and electrode type to prevent phrenic nerve damage.
(18) Investigations of the French physician Perier on patients after a trepanation of their skulls have shown that talking can be understood in the case of hermetically closed ears by means of the trepanation scar.
(19) Therefore, dentin which is exposed during dental treatment should always be sealed hermetically.
(20) The internal sphincter, 4 to 6 mm thick, cannot close the anal canal hermetically, not even during maximal contraction.