What's the difference between combustible and downcome?

Combustible


Definition:

  • (a.) Capable of taking fire and burning; apt to catch fire; inflammable.
  • (a.) Easily kindled or excited; quick; fiery; irascible.
  • (n.) A substance that may be set on fire, or which is liable to take fire and burn.

Example Sentences:

  • (1) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
  • (2) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
  • (3) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
  • (4) A removable, stainless-steel tube is present around the heated area, and this particular configuration makes it possible to begin every combustion procedure from room temperature, and consequently, to achieve a complete evacuation of air from the line even for heat-labile samples.
  • (5) Combustion-product toxicity of perfluorinated polymers in small-scale tests varied markedly under various exposure conditions.
  • (6) Although few relationships among combustion parameters and emissions were uncovered, patterns of emissions were evident, suggesting commonality and relationships among the waste stream constituents and emissions.
  • (7) Biological studies have demonstrated that concentrated extract of tars from combustion of shale oil are carcingenic to the skin of mice.
  • (8) Some compounds derived from tobacco combustion can be induce a response of secretory immune system, because antigen penetration is by respiratory tract epithelium, with IgA antibodies synthesis and immune complex (IC) generation.
  • (9) Waste products from coal combustion have the highest potential risk among the fossil fuel alternatives.
  • (10) Bicyclic phosphorus esters (BCP) originating from the combustion of fire-retardant polyurethane foam containing phosphorus are highly toxic compounds and potent antagonists of GABA-ergic receptors.
  • (11) Firefighters are routinely exposed to a wide variety of combustion products.
  • (12) Combustion gas drying had no effect for the larger PAHs such as benzo(a)pyrene but caused mean increases of between 41% and 126% for fluoranthene, pyrene and chrysene.
  • (13) A wet combustion method for the carbon determination was developed.
  • (14) The design-specified operating temperature was 800 degrees C in the primary combustion chamber and 1000 degrees C in the secondary chamber.
  • (15) Fullerenes C60 and C70, generated by combustion, have been shown previously to be produced in controlled laminar flames accompanied by other compounds having fullerene-like characteristics.
  • (16) There is growing concern over the detrimental health effects to firefighters produced by exposure to combustion byproducts of burning materials.
  • (17) Residential wood combustion accounted for 75% of the exposure to particle associated organics, but only 20% of the estimated cancer risk.
  • (18) Evidence for the atmospheric formation of nitro-PAH has come only recently, from observations that 2-nitropyrene (2-NP) and 2-nitrofluoranthene (2-NF) neither of which has been reported to be emitted from combustion sources, are among the major nitro-PAH present in ambient air.
  • (19) The combustion gases of cotton, polypropylene, acrylic, flame retardant (F.R.)
  • (20) Products of incomplete combustion are identified as a major source of carcinogenic risk in urban areas, especially those from small non-industrial sources.

Downcome


Definition:

  • (n.) Sudden fall; downfall; overthrow.
  • (n.) A pipe for leading combustible gases downward from the top of the blast furnace to the hot-blast stoves, boilers, etc., where they are burned.

Example Sentences:

  • (1) A trickle-bed system employing inert matrices of vermiculite or polyurethane foam packed in the downcomer section of a split-flow air-lift reactor has been developed for hybridoma culture to enhance antibody productivity.

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