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Topic: Boiling delay


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In the News (Mon 28 May 12)

  
  Boiling point - Wikipedia, the free encyclopedia
The boiling point of a substance is the temperature at which it can change its state from a liquid to a gas throughout the bulk of the liquid.
Boiling on the other hand is a bulk process, so at the boiling point molecules anywhere in the liquid may be vaporized, resulting in the formation of vapor bubbles.
A somewhat clearer definition of boiling point is that it is the temperature at which the vapor pressure of the liquid equals the pressure of the environment.
en.wikipedia.org /wiki/Boiling_point   (744 words)

  
 Boiling - Wikipedia, the free encyclopedia
Boiling is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to a temperature such that its vapor pressure is above that of the surroundings.
Transition boiling may be defined as the unstable boiling, which occurs at surface temperatures between the maximum attainable in nucleate and the minimum attainable in film boiling.
The boiling point is defined as the temperature at which the vapor pressure of the substance equals the pressure above the substance.
en.wikipedia.org /wiki/Boiling   (485 words)

  
 Boiling -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-16)
Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to a temperature such that its vapor pressure is above that of the surroundings.
Boiling, however, occurs in three characteristic forms, which are nucleate, transition and film boiling.
Boiling water for a few minutes kills most bacteria, (Naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion) amoebas, and other microbial (Any disease-producing agent (especially a virus or bacterium or other microorganism)) pathogens.
www.absoluteastronomy.com /encyclopedia/b/bo/boiling.htm   (496 words)

  
 Boiling point   (Site not responding. Last check: 2007-10-16)
Boiling on the other hand is a bulk process, so at the boilingpoint molecules anywhere in the liquid may be vaporized, resulting in the formation of vapor bubbles.
The boiling point corresponds to the temperature at which the vaporpressure of the substance equals the ambient pressure.
In terms of intermolecular interactions, the boiling point represents the point at which the liquid molecules possess enoughheat energy to overcome the various intermolecular attractions binding the moleculesinto the liquid (eg.
www.therfcc.org /boiling-point-10202.html   (429 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
Thus, a liquid may also boil when the pressure of the surrounding atmosphere is sufficiently reduced, such as the use of a vacuum pump or at high altitudes.
Boiling can be done in two ways: The food can be placed into already rapidly boiling water and left to cook, the heat can be turned down and the food can be simmered; or the food can also be placed into the pot, and cold water may be added to the pot.
Boiling is commonly advocated as an emergency water treatment method, or as a method of portable water purification in rural or wilderness settings without access to a potable water infrastructure.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Boiling   (862 words)

  
 Boiling point - Open Encyclopedia   (Site not responding. Last check: 2007-10-16)
The boiling point of a substance is the temperature at which it can change state from a liquid to a gas throughout the bulk of the liquid.
Usually, boiling points are published with respect to standard pressure (101325 pascal or 1 atm).
The boiling point of water is 100 °C (212 °F) at standard pressure.
open-encyclopedia.com /Boiling_point   (462 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
Boiling on the other hand is a bulk process, so at the boiling point molecules anywhere in the liquid may be vaporized, resulting in the formation of vapor bubbles.
The boiling point corresponds to the temperature at which the vapor pressure of the substance equals the ambient pressure.
In terms of intermolecular interactions, the boiling point represents the point at which the liquid molecules possess enough thermal energy to overcome the various intermolecular attractions binding the molecules into the liquid (eg.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Boiling_point   (738 words)

  
 Boiling Summary
The boiling point or boiling temperature is that point where the vapor pressure of a substance is equal to the atmospheric pressure.
Because temperature is a measure of heat, the boiling temperature is that temperature where vapor pressure of the water equals the atmospheric pressure.
Boiling is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to a temperature such that its vapor pressure is above that of the surroundings, such as air pressure.
www.bookrags.com /Boiling   (1049 words)

  
 Boiling point - Information from Reference.com
When heat is applied to a liquid, the temperature of the liquid rises until the vapor pressure of the liquid equals the pressure of the surrounding gases.
For example, water will boil at a lower temperature at the top of a mountain, where the atmospheric pressure on the water is less, than it will at sea level, where the pressure is greater.
The boiling point of a solution is always higher than that of the pure solvent; this boiling-point elevation is one of the colligative properties common to all solutions.
www.reference.com /search?q=Boiling+point   (1145 words)

  
 Boiling point Summary
Boiling points can also be altered by changes in pressure, the lower the pressure, the lower the boiling point, this is because the vapor pressure of the liquid at a lower atmospheric pressure does not have to be as high to become equal to that atmospheric pressure.
The boiling point of a substance is the temperature at which it can change its state from a liquid to a gas throughout the bulk of the liquid at a given pressure.
In terms of intermolecular interactions, the boiling point represents the point at which the liquid molecules possess enough heat energy to overcome the various intermolecular attractions binding the molecules into the liquid (eg.
www.bookrags.com /Boiling_point   (1172 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
Boiling, a type of phase transition, is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to its boiling point, the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmospheric pressure.
An irregular surface of the boiling vessel (i.e.
Because of the vapor layer's lower thermal conductivity, this vapor layer insulates the surface.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=boiling   (862 words)

  
 Dr Edward Bach flower remedies - making essence by the boiling method
The pan, with its lid fitted, is taken without delay to the stove or cooker.
The flowers and twigs are then covered with pure water, which is heated (without the lid on) until it boils.
The boiling method is more convenient than the sun method during cloudier months, but has a significance far greater than this.
www.edwardbach.org /essencemaking_boiling.asp   (238 words)

  
 Pie Fillings
Adjust lids and process immediately in a boiling water bath for 25 minutes for pints or quarts.
To loosen skins, submerge peaches in boiling water for approximately 30 to 60 seconds, and then place in cold water for 20 seconds.
Boil each batch for 1 minute after the water returns to a boil.
hgic.clemson.edu /factsheets/HGIC3160.htm   (1094 words)

  
 Oral Rehydration Solutions: Disinfection by Boiling
Such situations would have a bearing on the purity and safety of the water to be used for the preparation of oral rehydration solutions, and the risk involved in administering contaminated solutions.
It is logical, therefore, for UNICEF to recommend the use of boiled water for the preparation of standard ORS solutions, as is indicated on the labels of UNICEF packets.
It is clear that solutions made from sugar and salt only may be decontaminated by boiling after preparation since they lack the heat sensitive sodium bicarbonate.
almashriq.hiof.no /lebanon/600/610/614/solar-water/unesco/17-18.html   (641 words)

  
 Diesel Fuel Quality | Oil Spot   (Site not responding. Last check: 2007-10-16)
As ignition delay is reduced, the combustion process starts earlier and emissions (primarily CO and HC) are reduced.
Ignition delay is measured by the Cetane Number test (ASTM D 613), which uses a single-cylinder, variable compres- sion ratio engine analogous to the Octane Number engine.
The factor measured is ignition delay (rather than knock) at a fixed compression ratio, and it is compared with that of standard reference fuels consisting of blends of n-cetane and heptamethylnonane.
www.mpioil.com /article10.html   (1521 words)

  
 The New Yorker: The Talk of the Town   (Site not responding. Last check: 2007-10-16)
DeLay’s ethical lapses center on campaign-finance chicanery, with sidelines in petty nepotism and lavish trips to exotic locales near golf courses.
DeLay has since had the three most unreliable Republicans removed and replaced with stooges, and the ethics committee has devolved from torpid to moribund.
DeLay, who rode to power in 1994 on a wave of revulsion at the everyday ways of big government, has become the living exemplar of some of its worst habits.” The headline on that one was “smells like beltway.”
www.newyorker.com /talk/content/articles/050425ta_talk_hertzberg   (950 words)

  
 Heating apparatus for the heat treatment of yarns - Patent 4001548
The latter was thought to be a phenomenon similar to the boiling delay (bumping) often observed in distillations or evaporation.
It is generally known that a boiling delay occurs in a very pure and completely degassed liquid--because of the presence of few highly active centers or nucleus centers for bubble formation during the evaporation of a pure and degassed liquid.
Though the boiling delay is not, to be sure, prevented, the evaporator of the heating apparatus to distinct advantage is subdivided into several sections by the baffleplate walls.
www.freepatentsonline.com /4001548.html   (2654 words)

  
 The Cellar - Assault on the Judiciary
DeLay isn't aware that treaties are on the same level as the Constitution when it comes to force of law.
Delay kind of reminds me of somebody but I can't quite put my finger on it.
It's a lie to argue, as Tom DeLay did last week, that such a judiciary is the "left's last legislative body," and that Justice Anthony Kennedy, a Reagan appointee, is the poster child for "outrageous" judicial overreach.
cellar.org /showthread.php?p=160498   (1170 words)

  
 Food Preparation, Indoor and Outdoor Cooking Techniques
Boiling is cooking food in boiling water, or other water-based liquid such as milk.
Blanching is a cooking term that describes a process of food preparation wherein the food substance is rapidly plunged into boiling water and then removed after a brief, timed interval and then plunged into iced water or placed under cold running water.
Because water's boiling point increases as the pressure increases, the pressure built up inside the cooker allows the liquid in the pot to rise to a temperature higher than 100 °C (212 °F) before boiling.
www.creativecookingandentertaining.com /new171099.html   (5615 words)

  
 FAQs - Diesel
By boiling, or "distilling" the Crude oil it can be separated into fractions or "cuts" based on the boiling point temperature of each fraction.
Although the cetane number of a fuel is assumed to predict its ignition delay in any engine, the actual delay represented by the cetane number is valid only for the single cylinder engine in which it was measured.
During this delay, the fuel is vaporizing and mixing with the air in the combustion chamber.
www.chevron.ca /FAQs/FAQsDiesel.htm   (1798 words)

  
 Superheating -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-16)
This can be caused by rapidly heating a (additional info and facts about homogeneous) homogeneous substance while leaving it undisturbed (so as to avoid the introduction of air bubbles at (additional info and facts about nucleation) nucleation sites).
Because a superheated fluid is the result of artificial circumstances, it is (additional info and facts about metastable) metastable, and is disrupted as soon as the circumstances abate, leading to the liquid boiling very suddenly and violently—a very dangerous situation.
A person agitating a container full of superheated water by attempting to remove it from a microwave will likely be (The act of burning with steam or hot water) scalded.
www.absoluteastronomy.com /encyclopedia/s/su/superheating.htm   (185 words)

  
 Boiling at opensource encyclopedia   (Site not responding. Last check: 2007-10-16)
A liquid boils at a temperature at which its vapor pressure is equal to the pressure...
Boiling, as it applies to cooking, means cooking foods in boiling water.
The normal boiling point is the temperature at which the liquid boils when the external pressure is one...
springknow.com /Boiling.html   (366 words)

  
 Pacific Views: Close to Boiling
One analogy that is often used to describe situations that are steadily getting worse without active complaint is the story of the frog put into a bucket of lukewarm water and its passivity while the water is slowly heated to boiling.
The result is a boiled and dead frog who did nothing to leave the bucket.
(Hint, it is not to investigate DeLay, but rather to have a tool to go after Democrats in order to muddy the waters.) The Republicans including President Bush are backing DeLay and will do whatever they can to destroy the Democrats who have embarrassed them.
www.pacificviews.org /weblog/archives/001083.html   (784 words)

  
 DeLay's ethics woes tainting GOP
WASHINGTON -- Private GOP tensions over Tom DeLay's ethics controversy spilled into public Sunday, as a Senate leader called on DeLay to explain his actions and one House Republican demanded the majority leader's resignation.
DeLay (R-Texas), who was admonished by the House ethics committee last year, has been dogged in recent months by new reports about his overseas travel funded by special interests, campaign payments to family members and connections to a lobbyist under criminal investigation.
DeLay's spokesman, Dan Allen, said the congressman ''looks forward to the opportunity of sitting down with the ethics committee chairman and ranking member to get the facts out and to dispel the fiction and innuendo that's being launched at him by House Demo-crats and their liberal allies.''
www.suntimes.com /output/elect/cst-nws-delay11.html   (330 words)

  
 Out of the Cradle » Blog Archive » Stand Back — Live SpaceX Falcon I Blogging Here
The reason for the delay was an auxiliary liquid oxygen (LOX) fill tank had a manual vent valve incorrectly set to vent.
Although we have no definitive word on why the delay, lightning generated by the passing of the rocket through the storm clouds can be a major worry for the avionics of the launch vehicle.
We are waiting on word regarding the nature of the delay and at what point in the countdown the delay occurred.
www.outofthecradle.net /archives/2005/11/stand-back-live-blogging-here   (1316 words)

  
 UMCE Bulletin #4079: Let's Preserve Steps to Success in Home Canning
If you must delay the canning of other fresh produce, keep it refrigerated until you are ready to can.
The canner must be deep enough so that at least one inch of briskly boiling water will cover the tops of jars during processing.
Load filled jars, fitted with lids, into the canner rack and use the handles to lower the rack into the water; or fill the canner, one jar at a time, with a jar lifter.
www.umext.maine.edu /onlinepubs/htmpubs/4079.htm   (3040 words)

  
 [No title]   (Site not responding. Last check: 2007-10-16)
After a time delay, the acid will eat through the rubber disc and ignite the sugar chlorate mix.
The delay time depends upon the thickness and type of rubber used for the disc.
Before using this device, tests should be conducted to determine the delay time that can be expected.
www.textfiles.com /anarchy/INCENDIARIES/black53.dmg   (1814 words)

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