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Topic: Ambient temperature

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In the News (Thu 23 May 19)

  Room temperature - Wikipedia, the free encyclopedia
Room temperature, in laboratory reports, is taken to be roughly 21–23 degrees Celsius (72 degrees Fahrenheit), or 294–296 kelvins.
In describing an experiment, when researchers specify its temperature no more precisely than as "room temperature," this implies they have assumed that temperature differences of a few degrees do not matter to the phenomenon or question they were investigating.
Researchers choose to study a process outside its natural temperature range when they expect that the answer to their specific question ("What is the product of this enzymatic reaction?") will be the same at room temperature as it would have been had they conducted their experiment at a more naturalistic temperature.
en.wikipedia.org /wiki/Ambient_temperature   (562 words)

 Learn more about Temperature in the online encyclopedia.   (Site not responding. Last check: 2007-11-03)
In physics, temperature is the physical property of a system which underlies the common notions of "hot" and "cold"; generally the material with the higher temperature is said to be hotter.
Temperature is an intrinsic property of a system, meaning that it does not depend on the system size or the amount of material in the system.
The temperature 0 K is called absolute zero and corresponds to the point at which the molecules and atoms have the least possible thermal energy.
www.onlineencyclopedia.org /t/te/temperature.html   (3089 words)

 Temperature control of an appliance using ambient air temperature determination - Patent 5524444
A method of controlling the temperature of air inside two compartments of a refrigerator or similar appliance utilizing a single temperature sensor and the known air temperature external of the appliance.
Stability of the compartment temperature is necessary to insure accuracy of ambient temperature detection.
If the average compressor off time is increasing, then the ambient is regarded as falling, while the average compressor on time is increasing it is then determined that the ambient temperature is regarded as rising.
freepatentsonline.com /5524444.html   (3238 words)

 Klein, Wallin, and Buoncristiani, "Addressing Ambient Temperature Variation Effects on Sizing Precision of ...
Ambient temperature during the runs was monitored by placing a temperature gauge (Omega Engineering, Stamford, Connecticut) adjacent to the 310 Genetic Analyzer.
The ambient temperature over the two-day run ranged from 16°C to 20°C. Precision was estimated by calculating the standard deviation at each of the 118 alleles after sizing with the Local Southern method.
To examine the effects of ambient temperature on GS-500 precision, size deviations from the allele averages were compared to the measured ambient temperature at the start of each injection (Figure 3).
www.fbi.gov /hq/lab/fsc/backissu/jan2003/klein.htm   (3513 words)

 What is the ambient temperature of outer space Information   (Site not responding. Last check: 2007-11-03)
http://www.what is the ambient temperature of outer space.com/info.html
http://www.what is the ambient temperature of outer space.com/index.html?wow=1
the interferometer beam is primarily ambient temperature emission (the cold...
outerspace.2greatsite7.info /outer-space-posters/what-is-the-ambient-temperature-of-outer-space.html   (465 words)

 ISOTEMP RESEARCH, 434-295-3101, Miniature Crystal Ovens: Uses, Limitations and Specifications
Temperature compensation (choice 2) may not work for all devices, leaving the third choice as the only option: hold the device of interest at a specific temperature.
In the case where ambient temperatures are approaching the desired setpoint of the oven, very little power is required to heat the oven some incremental amount.
In the case of a completely empty oven, when ambient temperatures equal that of the oven's setpoint, the oven will need zero power to maintain its temperature (all of the required energy is being supplied by the surrounding environment).
www.isotemp.com /146-003/146-003.html   (1587 words)

 Ronald Bourgoin: Ambient Temperature Bismuth Superconductor
As the ambient temperature of teh conductor is decreased, it has been found that there occurs a linear decrease in resistivity with temperature.
As the ambient temperature of the conductor is decreased, it has been found that there occurs a linear decrease in resistivity with temperature.
The conducting behavior of a material below its transition temperature is described on the basis of the "two-fluid" model of superconductivity: one "fluid" consists of electrons in a normal conduction process expected at the particular ambient temperature of the conductor; the other consists of high speed electrons whose passage along the conductor is apparently unimpeded.
www.rexresearch.com /bourgoin/bourgo~1.htm   (9824 words)

 Topical Words: Ambient
So ambient music is strictly speaking wrong, as it refers to a style of music with textures but without a beat that aims to create a mood or atmosphere, an ambience in fact.
But when food technologists speak of ambient foods, they’re using the term as shorthand for ambient temperature foods (which makes my friend’s job ambient temperature foods stock control manager, which really is a mouthful).
You can argue they’re using the word correctly, since they’re speaking of foods that can be stored at the temperature of their surroundings in the store, without needing to be chilled, such as canned foods, jars of coffee, fresh fruit or bags of sugar.
www.worldwidewords.org /topicalwords/tw-amb1.htm   (475 words)

 Ambient Temperature   (Site not responding. Last check: 2007-11-03)
If the temperature of the components are running to hot they will either stop working until they cool down or simply go bad.
In general, a good operating temperature for a PC is between 60 to 75 degrees.
Generally the cooler the temperature the better off you are, but there are limits to this rule.
www.ka.net /jmenees/Care/Environmental/Ambient_Room_Temperature.htm   (409 words)

 ambient temperature - a Whatis.com definition
In a computing context, ambient temperature is the air temperature of any environment where computers and related equipment are kept.
Maintaining an appropriate ambient temperature is crucial to the proper functioning and longevity of computer equipment.
Ambient temperatures above 80 degrees make it difficult for a computer's cooling system to keep it at a safe operating temperature.
whatis.techtarget.com /gDefinition/0,294236,sid43_gci1062312,00.html   (126 words)

 Body Mass, Ambient Temperature, Time of Day, and Vigilance in Tufted Titmice
Statistical analysis.--To test for the effects of body mass, ambient temperature, and time of day on vig- ilance, we used a repeated-measures ANCOVA with time of day (four levels) as a factor and body mass and temperature as covariates.
E-mail: vladimir@bilbo.bio.purdue.edu correlated with temperature (Pravosudov and Grubb 1995).
Obser- vations occurred under prevailing photoperiods, and ambient temperatures were recorded and stored ev- ery 30 rain in a computer housed in an attached ob- servation chamber (Weather Wizard III and Weath- erlink software; Davis Instruments).
elibrary.unm.edu /sora/Auk/v115n01/p0221-p0223.html   (2432 words)

 Jeep Grand Cherokee WJ - Ambient temperature sensor   (Site not responding. Last check: 2007-11-03)
The ambient temperature sensor is a variable resistor mounted to a bracket that is secured with a screw to the right side of the headlamp mounting module grille opening, behind the radiator grille and in front of the engine compartment.
The ambient temperature sensor cannot be adjusted or repaired and, if faulty or damaged, it must be replaced.
The ambient temperature sensor is a variable resistor that operates on a five-volt reference signal sent to it by the BCM.
www.wjjeeps.com /ambient.htm   (294 words)

 Ambient Temperature Influences Core Body Temperature Response in Rat Lines Bred for Differences in Sensitivity to ...
a neutral ambient temperature, a decrease in the magnitude of
Unexpectedly, an increase in the magnitude of the HDS thermic
Ambient temperature influences the magnitude of the thermic response
jpet.aspetjournals.org /cgi/content/full/305/1/368   (4952 words)

 Glossary of Motor Terms -"T"- B-9652-4
The heated parts are at a higher temperature than the air surrounding them thereby causing a rise above room (ambient) temperature.
An inherent overheating protective device which is responsive to motor temperature and which, when properly applied to a motor, protects the motor against dangerous overheating due to overload or failure to start.
A temperature detecting device made of two dissimilar metals which generate a voltage as a function of temperature.
www.reliance.com /prodserv/motgen/b9652_t.htm   (907 words)

 Variability of the Breathing Pattern in Newborn Rats: Effects of Ambient Temperature in Normoxia or Hypoxia -- CAMERON ...   (Site not responding. Last check: 2007-11-03)
Ambient temperature (Ta) during the experiments for the measurements of breathing pattern (top) or oxygen consumption (bottom).
Saiki C, Mortola JP 1996 Effect of CO on the metabolic and ventilatory responses to ambient temperature in conscious adult and newborn rats.
Merazzi D, Mortola JP 1999 Effects of changes in ambient temperature on the Hering-Breuer reflex of the conscious newborn rat.
www.pedresearch.org /cgi/content/full/47/6/813   (3891 words)

 Glossary of Motor Terms -"A"- B-9652-4
A device used in air hooded motors to detect the temperature of the exhausted air.
The temperature of the surrounding cooling medium, such as gas or liquid, which comes into contact with the heated parts of the motor.
The standard NEMA rating for ambient temperature is not to exceed 40ƒC. An anti-friction bearing is a bearing utilizing rolling elements between the stationary and rotating assemblies.
www.reliance.com /prodserv/motgen/b9652_a.htm   (372 words)

 ipedia.com: Standard Ambient Temperature and Pressure Article   (Site not responding. Last check: 2007-11-03)
In chemistry, the term Standard Ambient Temperature and Pressure denotes a reference temperature of 25° C and pressure of 100 kPa.
In chemistry, the term Standard Ambient Temperature and Pressure (abbreviated SATP) denotes a reference temperature of 25°C (298.15 K) and pressure of 100 kPa.
The chemical term standard temperature and pressure (abbreviated STP), on the other hand, is 0°C (273.15 K) and a pressure of 1 atm (defined as 101.325 kPa).
www.ipedia.com /standard_ambient_temperature_and_pressure.html   (290 words)

 An Exposure Assessment Study of Ambient Heat Exposure in an Elderly Population in Baltimore, Maryland   (Site not responding. Last check: 2007-11-03)
Because of concern for heat-related mortality in vulnerable populations, particularly the elderly, practical epidemiologic methods are needed for the assessment of ambient heat exposure on individuals.
Each participant was monitored for approximately 48 hr to examine the association between ambient temperature and body temperature, using regression methods that account for highly correlated data within individuals.
Heart rate and activity level were not found to be related to body temperature or ambient temperature, although heart rate was associated with activity level.
ehp.niehs.nih.gov /docs/2002/110p1219-1224basu/abstract.html   (368 words)

 Erowid.org: Erowid Reference 1383 : Effect of 3,4-methylenedioxymethamphetamine ('ecstasy') on body temperature and ...
The thermogenic response induced by MDMA is complex and partially determined by the prevailing ambient temperature (AT).
Thus, the present study was performed in order to evaluate the influence of AT on the effects of single administration of MDMA on body temperature and liver toxicity in Charles River mice.
Body temperature was measured during the study using implanted transponders and a temperature probe reading device.
www.erowid.org /references/refs_view.php?ID=1383   (443 words)

 Ambient Temperature Compensation
Certain measurements made at an ECI station vary with ambient air temperature.
ECI stores the equation of the variance, which represents the optimal running condition at a given ambient temperature.
While the test is running, the system will continuously read the ambient temperature and determine the optimum measurement.
www.ecicomplete.com /ambient.html   (318 words)

 Sensei's Library: Ambient Temperature
The ambient temperature is the temperature of the rest of the board outside the play or plays in focus, for instance, a ko fight.
It is an abstraction, roughly equal to the miai value of the largest play not in focus.
In the case of a ko, it figures in the estimate of the ko exchange.
senseis.xmp.net /?AmbientTemperature   (87 words)

 Effect of ambient temperature on human skeletal muscle metabolism during fatiguing submaximal exercise -- Parkin et al. ...
Effect of ambient temperature on human skeletal muscle metabolism during fatiguing submaximal exercise -- Parkin et al.
To examine the effect of ambient temperature on metabolism during fatiguing submaximal exercise, eight men cycled to exhaustion
When the rise in body temperature is attenuated during prolonged exercise by either reducing the ambient temperature (15),
www.jap.org /cgi/content/full/86/3/902   (4190 words)

 Ambient Temperature Influences Core Body Temperature Response in Rat Lines Bred for Differences in Sensitivity to ...
Ambient Temperature Influences Core Body Temperature Response in Rat Lines Bred for Differences in Sensitivity to 8-Hydroxy-dipropylaminotetralin -- Nicholas and Seiden 305 (1): 368 -- Journal of Pharmacology And Experimental Therapeutics
Ambient Temperature Influences Core Body Temperature Response in Rat Lines Bred for Differences in Sensitivity to 8-Hydroxy-dipropylaminotetralin
Therefore, the influence of ambient temperature on 5-HT receptor-mediated decreases in core body temperature were measured
jpet.aspetjournals.org /cgi/content/abstract/305/1/368   (353 words)

These authors concluded that ambient (room) air temperature thawing, at 70F and below, is a satisfactory thawing procedure.
Large chicken carcasses weighing over 6.5 pounds were frozen and then thawed by 3 different thawing methods: thawing on the counter at ambient temperature (72F), thawing in flowing water (72F), and thawing in refrigeration ranging from 38 to 45F.
It was shown that there was a slight decrease in the population of Salmonella hadar-inoculated chickens frozen and thawed at room temperature to an internal temperature of 40F within the breast.
www.hi-tm.com /Documents/Thaw-counter.html   (689 words)

 IHS ESDU: Data Item 93020
ESDU 93020 is ancillary to and is for use in conjunction with ESDU 88025, which provides a definitive method for deriving primary air-data parameters in hypersonic flight with excellent precision, provided an accurate value of static pressure is available.
It is not possible to evaluate the relationship between the sensed static pressure and the real ambient pressure when the air is calorically and thermally imperfect as it is behind the shock in hypersonic flight.
However, it also requires a knowledge of the ambient temperature and the lapse rate, either from meteorological balloons or satellite observation, although an accuracy of 4 or 5 K for ambient temperature will be satisfactory.
www.esdu.com /graphics/dataitem/93020.htm   (238 words)

 Ambient Temperature Regulation of Apoptosis in Brown Adipose Tissue. Erk1/2 PROMOTES NOREPINEPHRINE-DEPENDENT CELL ...
Ambient Temperature Regulation of Apoptosis in Brown Adipose Tissue.
Ambient temperature regulation of apoptosis in mouse brown adipose tissue.
A, mice were cold exposed (4 °C), or kept at near thermoneutral temperature (28 °C) for 5 weeks, and DNA fragmentation in the interscapular BAT was analyzed by an agarose gel assay, as described under "Materials and Methods." Mw, DNA molecular weight markers.
www.jbc.org /cgi/content/full/273/46/30147   (8005 words)

 Enivronment   (Site not responding. Last check: 2007-11-03)
Managers intend to keep ambient temperatures near the UCT to minimize production costs as long as additional fuel costs do not exceed the savings in feed.
We know that drafts directed at the snouts of lactating sows very effectively reduces the EAT in a room where ambient temperatures need to be high to meet the requirements of baby pigs.
A reasonable goal is to keep variations in ambient temperature to 2F or less per 24 hours.
cal.vet.upenn.edu /swine/fac/general/eat.html   (456 words)

 Effect of ambient temperature on mammary gland metabolism in lactating sows -- Renaudeau et al. 81 (1): 217 -- Journal ...
The response to the lactating sow to ambient temperature.
Influence of high ambient temperatures on feed intake and feeding behaviour of multiparous lactating sows.
Effects of exposure to high ambient temperature and dietary protein level on performance of multiparous lactating sows.
jas.fass.org /cgi/content/full/81/1/217   (6188 words)

 Syntheis in Ambient Temperature Ionic Liquids: Environmentally Friendly Alternatives to Organic Solvents?   (Site not responding. Last check: 2007-11-03)
As chemical industry continues to grow and expand to fulfill the demands of an increasing population, the need for chemical processes which have a negligible impact on the environment correspondingly intensifies.
Our research group is seeking to address this issue by performing fundamental research with a class of solvents (ambient temperature ionic liquids) that offers the possibility of both chemical and environmental benefits.
The ambient temperature ionic liquids are potentially environmentally friendly solvents due to the low or non-volatility.
www.ncsu.edu /ncsu/chemistry/tbg/ionicliq/ionicliq.html   (748 words)

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