What's the difference between canister and mask?

Canister


Definition:

  • (n.) A small basket of rushes, reeds, or willow twigs, etc.
  • (n.) A small box or case for holding tea, coffee, etc.
  • (n.) A kind of case shot for cannon, in which a number of lead or iron balls in layers are inclosed in a case fitting the gun; -- called also canister shot.

Example Sentences:

  • (1) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
  • (2) The other method uses a thermoluminescence dosemeter placed in the charcoal canister, giving an integrated value of the radon concentration.
  • (3) Most hospital programs use semicontinuous flow centrifugation or canister technology for the intraoperative salvage and reinfusion of shed blood.
  • (4) The liquid oxygen system was preferred because the oxygen lasted longer, filling was easier, and the canister was easier to carry.
  • (5) Temperature rise in the canister was found closely related to CO2 output, which was calculated, after a period of stabilization, with the help of a nomogram.
  • (6) Facebook Twitter Pinterest A picture that has been circulating showing a man on the ground; he appears to have canisters strapped to his body.
  • (7) The masses attending the president’s election rallies booed the family of 14-year-old Berkin Elvan , who died after he was hit by a gas canister.
  • (8) But bewilderment quickly turned to horror after the gunman tossed two gas canisters into the room and began firing, spraying the audience with bullets.
  • (9) Stephen Salter, the innovative Edinburgh University engineer, (known best for his invention of Salter's duck - the 300-tonne floating canister designed to drive a generator from the motion of bobbing up and down on waves) thinks he has the key.
  • (10) The consequences of this divide-and-rule strategy are evident in Okmeydani, a neighbourhood in Istanbul's central Beyoglu district, that recently made headlines following the deaths of Berkin Elvan, a teenager who died after being hit in the head by a teargas canister during last summer's protests, and of Burakcan Karamanoglu, a 22-year-old who was shot in the head during clashes between opposing groups in the neighbourhood.
  • (11) The pressurized canisters may be useful in standardizing irrigation in wound management research.
  • (12) "I hid behind a tree, and all I saw were Morsi supporters throwing stones, or fireworks, or throwing teargas canisters."
  • (13) It’s a concern that it’s going up, the numbers of people using are quite stunning, but it’s not the most dangerous thing by a mile.” This is a position supported by DrugScience (formerly the Independent Scientific Committee on Drugs) which, while pointing out the dangers surrounding frostbite from the cold temperature of canisters and potential vitamin B12 deficiency from heavy use, describes nitrous oxide as “ one of the least risky drugs ”.
  • (14) Satisfactory or good compliance was achieved by 52% of these subjects as measured by the chronolog compared with 85% as assessed by canister weighing.
  • (15) Brian Maddison from the group told ITV's Daybreak that one garage in Kent reported already selling out of fuel canisters: "That's the sort of bizarre behaviour that Francis Maude and the rest of the cabinet seem to have encouraged.
  • (16) Clashes had continued into the early hours even though the pro-Mubarak supporters had been pushed back to the edge of the square and explosions – possibly from gas canisters – echoed around the area.
  • (17) Some have been carrying grenade launchers,apparently for shooting gas canisters.
  • (18) The Venturi entrains exhaled gas from the patient through a soda-lime canister, and carries it to the patient together with fresh gas.
  • (19) A journalist was blown up by a police officer who fired a teargas canister in his stomach at close range for allegedly "asking the police too many questions" at a rally by an opposition political party.
  • (20) Ventilation was not influenced by the canisters until 80% of VO2max at which time the mean oxygen ventilatory equivalent became significantly lower.

Mask


Definition:

  • (n.) A cover, or partial cover, for the face, used for disguise or protection; as, a dancer's mask; a fencer's mask; a ball player's mask.
  • (n.) That which disguises; a pretext or subterfuge.
  • (n.) A festive entertainment of dancing or other diversions, where all wear masks; a masquerade; hence, a revel; a frolic; a delusive show.
  • (n.) A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.
  • (n.) A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like; -- called also mascaron.
  • (n.) In a permanent fortification, a redoubt which protects the caponiere.
  • (n.) A screen for a battery.
  • (n.) The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ.
  • (v. t.) To cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor.
  • (v. t.) To disguise; to cover; to hide.
  • (v. t.) To conceal; also, to intervene in the line of.
  • (v. t.) To cover or keep in check; as, to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out.
  • (v. i.) To take part as a masker in a masquerade.
  • (v. i.) To wear a mask; to be disguised in any way.

Example Sentences:

  • (1) The blocking action may have masked and hindered detection of the stimulatory action of barium in other systems.
  • (2) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
  • (3) Though immunocytochemistry did not show staining of synaptic regions this may be due to masking of the reactive epitope.
  • (4) Such factors can mask any interactions between biologic factors of the aging female reproductive system and other social factors that might otherwise detemine fertility during the later reproductive years.
  • (5) The interresponse-time reinforcement contingencies inherent in these schedules may actually mask the effects of overall reinforcement rate; thus differences in response rate as a function of reinforcement rate when interresponse-time reinforcement is eliminated may be underestimated.
  • (6) In gastric cancers the major finding was the occurrence of extensive masking of lectin binding sites by sialic acid which was not seen in normal mucosa.
  • (7) The expression of such secondary and tertiary syphilis is commonly masked and distorted by the long-term effects of subcurative doses of antibiotics; in fact, late latent and tertiary syphilis produce symptoms and immunosuppression similar to the profile of AIDS.
  • (8) After induction of anesthesia, the airway of those in group A was maintained with a conventional tracheal tube; in group B, with a laryngeal mask airway.
  • (9) To determine if the type of mechanical ventilation used (ie, face mask, nasal prongs, or endotracheal tube) was associated with GPNN, a matched case-control analysis was performed.
  • (10) Data were analyzed by investigators who were masked to treatment assignment or phase of study.
  • (11) The air entrainment devices from oxygen masks of four manufacturers (Henleys Medical Supplies Ltd, Vickers Medical, Intersurgical Ltd, C R Bard International Ltd) were studied.
  • (12) North Korea's blustering defiance at the annual US-South Korean exercises masks just a little fear that they could easily be turned into an all-out attack, and seems to work on the principle that the more you shout, the safer you will be.
  • (13) Since headache can often represent the warning symptom of a masked depression, in the present study sulpiride has been administered to patients suffering from nonorganic headache syndromes.
  • (14) • Police would be given discretion to remove face masks from people on the street "under any circumstances where there is reasonable suspicion that they are related to criminal activity".
  • (15) Analyses of this artificial curve allow estimation of that part of the internal interactions uninfluenced by the masking effect.
  • (16) Compared to previous masking studies of orientation selective units, non-oriented units have somewhat broader spatial frequency sensitivity curves, in agreement with primate neurophysiology.
  • (17) The contralateral masked condition was performed using 30-dB-SL 400-Hz narrow-band masking noise centered at frequency of test tone.
  • (18) But the research drills down into the data to examine different cohorts separately, and discovers that reassuring overall averages are masking some striking variations.
  • (19) Older subjects were found to be significantly more susceptible to the backward masking effect over longer delays between the target and masking stimuli.
  • (20) We have compared an alternative breathing system for preoxygenation comprising a Hudson face mask with high oxygen inflow (48 litre min-1) and a Mapleson A breathing system (100 ml kg-1 min-1).