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  2. Carbide lamp - Wikipedia

    en.wikipedia.org/wiki/Carbide_lamp

    An acetylene gas miner's lamp. A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [1] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable ...

  3. Burn rate (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Burn_rate_(chemistry)

    Burn rate (typically expressed in mm/s or in/s) is the sample length over time at a given pressure and temperature. For solid fuel propellant, the most common method of measuring burn rate is the Crawford Type Strand Burning Rate Bomb System [ 3 ] (also known as the Crawford Burner or Strand Burner), as described in MIL-STD-286C.

  4. Premixed flame - Wikipedia

    en.wikipedia.org/wiki/Premixed_flame

    The propagation speed of a premixed flame is known as the flame speed (or burning velocity) which depends on the convection-diffusion-reaction balance within the flame, i.e. on its inner chemical structure. The premixed flame is characterised as laminar or turbulent depending on the velocity distribution in the unburned pre-mixture (which ...

  5. Oxidizing and reducing flames - Wikipedia

    en.wikipedia.org/wiki/Oxidizing_and_reducing_flames

    The color of a neutral flame is semi-transparent purple or blue. [1] This flame is optimal for many uses because it does not oxidize or deposit soot onto surfaces. Bunsen burner flames with different oxygen levels: 1. diffusion flame, 2. reducing flame, 3. fuel-rich neutral flame, 4. neutral flame

  6. How to make your candles last longer, according to candle experts

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  7. NFL playoff schedule: Dates, times, TV info for wild-card ...

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    The NFL playoff schedule is about to be set, with the wild-card dates and times for every matchup to be revealed during Week 18.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. The Fastest Bike in the World Was 3D Printed - AOL

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