What's the difference between gas and propellant?

Gas


Definition:

  • (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.

Propellant


Definition:

Example Sentences:

  • (1) The Stratolauncher won’t be fully operational for several years, and it may take decades before anyone designs a system that can propel man-made objects through space fast enough to reach a star over a human being’s lifespan, if it happens at all.
  • (2) Last September, propelled by the success of the Irish referendum and the US supreme court decision, the idea that Australian parliamentarians should, as a matter of conscience, reconsider marriage equality was gathering powerful force.
  • (3) Carpeting of the type commonly used in hospitals imposed a burden upon normal and patient wheelchair users propelling a wheelchair as reflected in increased energy cost per unit of distance traveled.
  • (4) They said US forces had found a "daisy chain"– a long bomb rigged up from mortars, rocket-propelled grenades and a motorbike.
  • (5) Some of the main protesters who have propelled the organization movement forward, particularly Deray McKesson , Netta Elzie and Stephen Houldsworth , have expressed no interest in backing down tonight.
  • (6) District head Baba Abba Hassan said most victims are children, women and elderly people who could not run fast enough when insurgents drove into Baga, firing rocket-propelled grenades and assault rifles on town residents.
  • (7) The video filmed by a witness , which propelled the case into the global spotlight, showed Scott was running away with his back turned when Slager, then an officer with the North Charleston police department, opened fire.
  • (8) Right now most are in for small repairs, propellers that sort of thing.
  • (9) The Texas senator Ted Cruz says the rise of Donald Trump makes him “very optimistic” the next occupant of the White House will be a conservative – perhaps himself – propelled there by the “volcanic rage” of voters.
  • (10) Beating and coordination of these short cilia were compared with those of cilia propelling water.
  • (11) His pioneering efforts helped propel Barbados to a leader in solar water heater use in the western hemisphere.
  • (12) Second, if two self-propelled objects are related in a special way--a relation called the BDR sequence--the infant perceives not only intentional movement but also one object as having the goal of affecting the other object.
  • (13) Wednesday’s attack during dawn prayers is the first attack on Maiduguri since 28 December, when Boko Haram killed at least 50 people in an operation involving rocket-propelled grenades and multiple suicide bombers.
  • (14) He careered at Pedro Obiang, propelled by a frightening intent, and the midfielder was forced to flatten the Frenchman but Mike Jones adjudged the offence to have taken place outside the area.
  • (15) Allergic contact eczema from the use of deodorant sprays is sometimes caused by sensitization to the propellants.
  • (16) Interestingly, the thymine.adenine pair favours negative buckling for propellers mostly observed in DNA crystals while positive buckling is preferred by the cytosine.guanine pair.
  • (17) Republican guards used anti-aircraft guns, automatic weapons and rocket-propelled grenades against the opposition camp and intensified the shelling of the streets surrounding the square.
  • (18) Bill Shorten pushes integrity inquiry but says political corruption isn't widespread Read more If politics is about people, and about connections, Shorten’s challenge for 2017 is not only validating the concerns of voters angry enough to propel Donald Trump to the White House, to Brexit and to vote for Pauline Hanson – but to persuade them to make a durable connection with him.
  • (19) He begins describing the crumbling wall of mud that enveloped him, the image of his young daughter propelling him to fight to the surface and take his first breath of air.
  • (20) Lloyd scored three times in just 16 minutes to propel the Americans to a 5-2 win and their first World Cup in 16 years, their third overall.

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