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At the temperature at optical depth 2 / 3, the energy emitted by the star ( the original derivation is for the sun ) matches the observed total energy emitted.
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At and temperature
Allotropes of iron, ( alpha iron and gamma iron ) showing the differences in atomic arrangement. At a certain temperature, ( usually between and ), the base metal of steel ( iron ) undergoes a change in the arrangement of the atoms in its crystal matrix, called allotropy.
At Montgomery, in the central region, the average annual temperature is 66 ° F ( 19 ° C ), with a winter average of 49 ° F ( 9 ° C ), and a summer average of 81 ° F ( 27 ° C ).
At the opposite extreme, a transformation of a thermodynamic system can be considered isothermal if it is slow enough so that the system's temperature remains constant by heat exchange with the outside.
At its maximum, the temperature of the spacecraft's heat shield was between.
Carnrick ( 1981 ), The stabilized temperature platform furnace, At.
At room temperature and pressure, barium has a body-centered cubic structure, with a barium – barium distance of 503 picometers, expanding with heating at a rate of approximately 1. 8 /° C.
At that temperature, the vapor pressure of the liquid becomes sufficient to overcome atmospheric pressure and allow bubbles of vapor to form inside the bulk of the liquid.
At standard temperature and pressure, two chlorine atoms form the diatomic molecule Cl < sub > 2 </ sub >.
At room temperature the magnitude of this fractionation is roughly 0. 25 ‰ ( 0. 025 %) per atomic mass unit ( AMU ).
At room temperature, the average speed of these random motions is 10 < sup > 6 </ sup > metres per second.
At standard temperature, pressure and concentration conditions, the cell's emf ( measured by a multimeter ) is 0. 34 V. By definition, the electrode potential for the SHE is zero.
At standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, nonmetallic, highly combustible diatomic gas with the molecular formula H < sub > 2 </ sub >.
At room temperature, honey is a supercooled liquid, in which the glucose will precipitate into solid granules.
At lower altitudes, the increased temperature is like day and night, literally: like starting the morning at the highland daytime high, and then adding the heat of the day, again.
At too low temperature, most LC materials will form a conventional crystal.
At Standard Sea Level conditions ( corresponding to a temperature of 15 degrees Celsius ), the speed of sound is 340. 3 m / s ( 1225 km / h, or 761. 2 mph, or 661. 5 knots, or 1116 ft / s ) in the Earth's atmosphere.
At standard temperature and pressure, two atoms of the element bind to form dioxygen, a very pale blue, odorless, tasteless diatomic gas with the formula.
At standard temperature and pressure, oxygen is a very pale blue, odorless gas with the molecular formula, in which the two oxygen atoms are chemically bonded to each other with a spin triplet electron configuration.
At higher elevations from, the Puna ecoregion, the temperature varies from during the night versus during the day.
At this site, there are four main life zones, delineated on the basis of temperature and precipitation ( Holdridge System ), in the Luquillo Mountains: subtropical wet and subtropical rain forests are found at low and mid elevations, lower montane rain and lower montane wet forests at high elevations.
At this stage, several factors are critical to yield: optimal soil moisture and temperature, soil nutrient availability and balance, and resistance to pest attacks.
At room temperature and pressure, the water jar reaches equilibrium when the air over the water has a humidity of about 3 %.
At the point where liquid begins to condense, the direction of the temperature and pressure curve will abruptly change to trace along the phase line until all of the water has condensed.
At a lower temperature, each strand is then used as the template in DNA synthesis by the DNA polymerase to selectively amplify the target DNA.
At the time, the temperature of the Sun was considered too low to overcome the Coulomb barrier.
At and at
At the first restaurant he sensibly pulled up to go in for his dinner, and as a consequence did not see Cobb strike the open range at the mouth of the canyon and head straight across the swells for Antler.
At once my ears were drowned by a flow of what I took to be Spanish, but -- the driver's white teeth flashing at me, the road wildly veering beyond his glistening hair, beyond his gesticulating bottle -- it could have been the purest Oxford English I was half hearing ; ;
At once the whole band set off at a lope.
At the moment he was excited about his son's having received the Prix De Rome in archaeology and was looking forward to being present this summer at the excavation of an Etruscan tomb.
At the beginning of the play she has partial illumination and at the end she has complete illumination, but there has been no question but that she moves toward the dark.
At the time of his capture Helion had on his person a sketchbook he had bought at Woolworth's in New York.
At the same time, I am aware that my recoil could be interpreted by readers of the tea leaves at the bottom of my psyche as an incestuous sign, since theirs is a science of paradox: if one hates, they say it is because one loves ; ;
At Sounion there is a group of beautiful columns, the ruins of a temple to Poseidon, of particular interest at that time, as active reconstruction was in progress.
At the risk of losing my charge-a-plate at Marshall Field and Company, I would like to challenge an old and hallowed stereotype.
At Khrushchev's door, therefore, can be placed the primary blame but also at fault are those who permitted themselves to be intimidated.
Having hedged its bets in this way, PHS apparently decided it would be possible to make some sort of determination after all: `` At present radiation levels, and even at somewhat higher levels, the additional risk is slight and very few people will be affected ''.
At least in Indonesia, Khrushchev found an American proud to be at total war with Communism ''!!
At 2130 hours they had passed through the barbed wire at the point of departure.
At the same time he started walking the streets, peering at the people passing or shopping at the stalls, storing up fresh impressions of what they looked like, how they moved.
`` At three o'clock if it will be of convenience to you at that time ''.
At two thirty he sent Fujimoto to the top of the wall at the northeast corner of the mission to keep an eye on the ridge road and give a signal when he first glimpsed the approach of Kayabashi's party.
At that time, he afforded me the courtesy of his busy workday for such length as I may need, to speak about my background, my hopes, my views on various national and local topics, and any problems that I may have been vexed with at the time.
At the outset, the Government's spokesman explained that counsel for the Government and for Du Pont had already held preliminary discussions with a view to arriving at a relief plan that both sides could recommend to the court.
At the age of 17 he became an apprentice machinist at the shop of Walcott & Harris in Valley Falls, Rhode Island, and following two or three other jobs in quick succession after graduation, he went into business for himself in 1831, making lathes and small tools.
At Cypress Gardens special bleachers are set up for photographers at water-ski shows and lovely models pose for pictures in garden settings.
At the fifteenth magnitude, Af, and at the twenty-fifth magnitude, Af.
At the end of the run, the strips in the third and sixth positions in each chamber were dried, stained for 1 hr, washed and dried, while the other strips were maintained in a horizontal position at 1-degree-C.
At the end of work one day, the personnel man took the applicants one at a time, asked them to sit behind the receptionist's desk and he then played the role of a number of people who might come to the receptionist with a number of queries and for a number of purposes.
At the conclusion of the washing, 8 liters of water at 90-degrees-F ( 32*0C. ) are automatically metered from the rinse reservoir to the washing tubs, 4 liters to each tub.
0.188 seconds.