What's the difference between furnace and heater?

Furnace


Definition:

  • (n.) An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, for warming a house, for baking pottery, etc.; as, an iron furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.
  • (n.) A place or time of punishment, affiction, or great trial; severe experience or discipline.
  • (n.) To throw out, or exhale, as from a furnace; also, to put into a furnace.

Example Sentences:

  • (1) Analytically, the major products formed initially from pTFE at 700 degrees C under either condition (flame or cup furnace) are similar but they disappear rapidly in the presence of continuous heat.
  • (2) The unions said the government can bypass EU state-aid rules by updating Port Talbot’s blast furnaces and claiming it is investment into research and development, skills, and lowering carbon emissions.
  • (3) The concentration of gold in whole blood was determined using graphite furnace atomic absorption spectrophotometry.
  • (4) Three-dimensional wavelength-absorbance-furnace temperature spectra can be obtained by using ramped heating steps to provide a rough separation of elements in a mixture.
  • (5) This technique chemically removes organic material from thin sections of tissues with reactive, excited oxygen instead of heat as used in a furnace.
  • (6) However, where sample size is not a limitation, wet ash digestion prior to determination in the furnace is probably the preferred procedure.
  • (7) Any hint of Charlotte as a sexual being is tossed on to the historical furnace.
  • (8) I describe a micro-scale method for determining lead in whole blood by utilizing a graphite furnace.
  • (9) The value of a procedure for polishing porcelain restorations that would avoid the necessity of glazing in a furnace following minor chairside adjustments is discussed.
  • (10) Variations in skeletal lead content suggested that the white owners of the Catoctin iron furnace shared little of their food and beverage with their black, male, industrial slaves, but that some of these workers' women had access to the owners' food sources--probably via domestic duty assignments.
  • (11) The aerosol, with or without water in the furnace, consists of a mixture of copper(I) oxide and copper(II) hydroxide.
  • (12) In the Netherlands both Portland cement and blast furnace cement (slags from blast furnaces with about 30% Portland cement) are used for concrete.
  • (13) For some metals the analysis can be directly achieved by means of atomisation of the biological liquid in a flame or in a graphite furnace; for other metals it is necessary a treatment of the sample to separate the metal from the rest of the matrix, which can be: calcination, microcalcination, mining.
  • (14) When the cup furnace is removed 1 min after pTFE is added (a procedure temporally similar to the use of the flame) the toxicity of the products is again low.
  • (15) We believe that the introduction of high-performance background correction such as Smith-Hieftje, delayed atomization techniques, and aerosol deposition have taken graphite furnace AAS into its third phase.
  • (16) Zinc was analyzed by flame atomic absorption spectrophotometry, and the other elements by graphite furnace atomic absorption.
  • (17) Apple has entered into a joint venture in the US with GT Advanced to build plants and furnaces able to produce sapphire in industrial quantities for a “critical component” that it said in trade documents would be shipped abroad for assembly.
  • (18) The specimen is placed in furnace of microscope, and rised temperature by W heater.
  • (19) Detector response and conductivity phenomena are discussed in terms of gas-phase furnace chemistry reactions, post-furnace reaction or abstraction processes, and solution-phase ionization and neutralization processes occurring in the conductivity cell.
  • (20) The best way of sterilization is to make a gypsum model from the hydrocolloid impression and place it in the furnace for 30 min in 60 degrees C.

Heater


Definition:

  • (n.) One who, or that which, heats.
  • (n.) Any contrivance or implement, as a furnace, stove, or other heated body or vessel, etc., used to impart heat to something, or to contain something to be heated.

Example Sentences:

  • (1) These differences became much distinguished in non-smoking group and people not using unvented heater.
  • (2) Miranda Hart as Chummy Brown in Call the Midwife By now, we are huddled around a heater.
  • (3) One hundred and twenty patients presenting with major peptic ulcer haemorrhage were randomised in a clinical trial comparing endoscopic injection and heater probe therapy.
  • (4) A double-contrast upper gastrointestinal examination on a woman who had undergone endoscopic heater probe therapy one day earlier for multiple arteriovenous malformations revealed shallow, irregular, and linear ulcers at the sites of heater probe coagulation.
  • (5) His pioneering efforts helped propel Barbados to a leader in solar water heater use in the western hemisphere.
  • (6) Multiple shallow ulcers may therefore develop as a direct complication of heater probe therapy.
  • (7) A study was performed to investigate whether measurements of the evaporation rate from the skin of newborn infants by the gradient method are affected by the presence of non-ionizing radiation from phototherapy equipment or a radiant heater.
  • (8) New water heaters could be preset at this temperature and families could be taught to turn down the temperature on existing units.
  • (9) The specimen is placed in furnace of microscope, and rised temperature by W heater.
  • (10) A Freedom of Information request made to Defra reveals that although the UK is unable to ban patio heaters unilaterally they’re being considered for a shortlist of products that could be banned under the Ecodesign for Energy-Related Products Directive.
  • (11) During a one-day access to an operant heater, or a one-day period of unrestricted feeding, CP increased Tre and locomotor activity to values observed in OP.
  • (12) This system consists of a gas-operated diaphragm pump, demand controller, liquid regenerator with heater and gas scrubber, and ancillary equipment.
  • (13) The electric and magnetic field strengths in the vicinity of the operators of 101 heaters were surveyed.
  • (14) 2, 72 sows were randomly assigned to farrowing crates with four supplemental heat treatments: 1) one lateral 250-watt heater; 2) one lateral heater plus a 250-watt heater behind the sow during farrowing; 3) a hover with 100-watt light bulb; and 4) a hover with light bulb plus heater behind the sow during farrowing.
  • (15) The rebleeding rate in laser-treated patients (20%) was significantly less than in controls (42%; p less than 0.05), but in heater probe-treated patients (28%) it was not significantly different from either of the other two groups.
  • (16) In contrast, heater probe and bipolar electrocoagulation did not produce tissue erosion at any instrument setting.
  • (17) The problem of continuous-flow water heaters regarding their effects on the colonisation of water by microbes proves not to be significant.
  • (18) There’s a lot of them.” Other people on the waiting list for new homes – wooden bungalows or trailers – are what she calls “burn downs”, whose homes were destroyed by fire from candles, kerosene heaters or pot belly stoves.
  • (19) The Caridex delivery system includes a pump, a heater, a solution reservoir and a handpiece to hold the applicator tip.
  • (20) The spaces between the heaters and porous product-surfaces were simulated as semi porous channels, with mass-injection into the channels from the sublimation of ice.