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  2. Laboratory water bath - Wikipedia

    en.wikipedia.org/wiki/Laboratory_water_bath

    Most water baths have a digital or an analogue interface to allow users to set a desired temperature, but some water baths have their temperature controlled by a current passing through a reader. Uses include warming of reagents, melting of substrates, determination of boiling point, or incubation of cell cultures. It is also used to enable ...

  3. Transpirational cooling (biological) - Wikipedia

    en.wikipedia.org/wiki/Transpirational_cooling...

    For example as radiant energy warms a body of water it raises the temperature generating sensible heat. Water evaporated from the body of water changes state as latent heat. [17] To change one gram of liquid water to vapour requires 540 calories of heat, and if that water vapour condenses back to liquid water 540 calories are released. [17]

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    A tempering valve mixes enough cold water with the hot water from the heater to keep the outgoing water temperature fixed at a more moderate temperature, often set to 50 °C (122 °F). Without a tempering valve, reduction of the water heater's setpoint temperature is the most direct way to reduce scalding.

  5. Here's How Often You Should Drain Your Water Heater ... - AOL

    www.aol.com/heres-often-drain-water-heater...

    Step 3: Attach a water hose to the drain valve at the bottom of your water heater and run the hose outside or into a nearby drain. You can use any generic hose for this step, and a garden hose ...

  6. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.

  7. Incubator (culture) - Wikipedia

    en.wikipedia.org/wiki/Incubator_(culture)

    The simplest incubators are insulated boxes with an adjustable heater, typically going up to 60 to 65 °C (140 to 149 °F), though some can go slightly higher (generally to no more than 100 °C). The most commonly used temperature both for bacteria such as the frequently used E. coli as well as for mammalian cells is approximately 37 °C (99 ...

  8. Feedwater heater - Wikipedia

    en.wikipedia.org/wiki/Feedwater_heater

    A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [ 1 ] [ 2 ] [ 3 ] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system. [ 4 ]

  9. AOL Mail

    mail.aol.com

    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!