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Page "State of matter" ¶ 18
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At and temperatures
At meter wave lengths an increase of the order of 10-degrees in the average disk temperatures of the nearer planets would be expected.
At temperatures near 0 K, nearly all molecular motion ceases and, when entropy = S, ΔS = 0 for any adiabatic process.
At very low temperatures in the vicinity of absolute zero, matter exhibits many unusual properties, including superconductivity, superfluidity, and Bose – Einstein condensation.
At high temperatures, organobromine compounds are easily converted to free bromine atoms, a process which acts to terminate free radical chemical chain reactions.
At sufficiently low temperatures, electrons near the Fermi surface become unstable against the formation of Cooper pairs.
At temperatures below, it alloys with cobalt, iron, molybdenum, nickel, platinum, tantalum or tungsten.
At smaller sites, temperatures 10 K higher than the surroundings persisted for almost two weeks.
At the time of recall all items of a category ( e. g., all salad dressings, then all meat temperatures, then all steak types, then all starch type ) would be recalled in a clockwise fashion for all customers.
At higher temperatures, hafnium reacts with oxygen, nitrogen, carbon, boron, sulfur, and silicon.
At very low temperatures, honey will not freeze solid.
At one time, citrus growers used a smudge pot fueled by kerosene to create a pall of thick smoke over a grove in an effort to prevent freezing temperatures from damaging crops.
Lithium is superconductive below 400 μK at standard pressure and at higher temperatures ( more than 9 K ) at very high pressures (> 20 GPa ) At temperatures below 70 K, lithium, like sodium, undergoes diffusionless phase change transformations.
At 4. 2 K it has a rhombohedral crystal system ( with a nine-layer repeat spacing ); at higher temperatures it transforms to face-centered cubic and then body-centered cubic.
At liquid-helium temperatures ( 4 K ) the rhombohedral structure is the most prevalent.
At high temperatures used to prepare glass, the material is a viscous liquid.
At high temperatures, random thermal motion makes it more difficult for the electrons to maintain alignment.
At still higher temperatures, P < sub > 2 </ sub > dissociates into atomic P.
At temperatures and pressures away from the markings, there will be only one phase at equilibrium.
At these temperatures the available thermal energy simply overcomes the interaction energy between the spins.
At low temperatures, it varies instead as e < sup >− α / T </ sup > for some constant, α.
At even higher temperatures, however, the viscosity decreases as depolymerization occurs.
At sea level, the climate is tropical — hot and humid with average yearly temperatures of about and little daily variation.
At higher temperatures, the Fermi level is the energy at which the probability of a state being occupied has fallen to 0. 5.
At elevated temperatures, chemical sputtering of carbon can be understood to be due to the incoming ions weakening bonds in the sample, which then desorb by thermal activation.

At and below
At such hearings each party is allowed a brief presentation at which the appellate judges ask questions based on their review of the record below and the submitted briefs.
At the time, the periodic table had been restructured by Seaborg to its present layout, containing the actinide row below the lanthanide one.
At extremely rare intervals the thermometer has fallen below zero (- 18 ° C ), as was the case in the remarkable cold wave of the 12th-13 February 1899, when an absolute minimum of-17 ° F (- 29 ° C ) was registered at Valley Head.
At the same time, the subjugated " allied " tribes of Moesia and Thrace evidently repudiated their treaties with Rome, as they had to be re-conquered by Augustus in 29-8 BC ( see below ).
At, the Channel Tunnel possesses the longest undersea portion of any tunnel in the world, although the Seikan Tunnel in Japan is both longer overall at and deeper at below sea level.
At low refresh rates ( below 50 Hz ), the periodic scanning of the display may produce an irritating flicker that some people perceive more easily than others, especially when viewed with peripheral vision.
At rates below 12 frame / s most people can detect jerkiness associated with the drawing of new images which detracts from the illusion of realistic movement.
Geoffroy's Affinity Table ( 1718 ): At the head of the column is a substance with which all the substances below can combine, where each column below the header is ranked by degrees of " affinity ".
At a price below equilibrium, there is a shortage of quantity supplied compared to quantity demanded.
At creation, players select each character's adventuring occupation ( such as a wizard, ranger, or cleric – called a class – see below for particulars ), a patron deity, and starting city.
At dawn, Key was able to see an American flag still waving and reported this to the prisoners below deck.
At this time a further design evolved, reintroducing oars to create the galley frigate such as the Charles Galley of 1676 which was rated as a 32-gun fifth rate but also had a bank of 40 oars set below the upper deck which could be used to propel the ship in the absence of a favourable wind.
At higher latitudes in summer, when the sun does not sink below the horizon, a day is counted from midday to midday, and in the winter, when the sun does not rise above the horizon, from midnight to midnight.
At a pH below their pI, proteins carry a net positive charge ; above their pI they carry a net negative charge.
At the coastal city Mombasa, the air changes from cool to hot, almost every day ( see chart below ).
At the same time, the municipalities were reorganised, according to the table below.
At some of the mithraeums which have been found below churches, for example the Santa Prisca mithraeum and the San Clemente mithraeum, the ground plan of the church above was made in a way to symbolize Christianity's domination of Mithraism.
At penetrations below 20 % of the grid demand, this does not severely change the economics ; but beyond about 20 % of the total demand, external storage will become important.
At the same time, the SS-Gaus were expanded into three SS-Oberführerbereiche as listed below
At 95. 2 ° C, below its melting temperature, cyclo-octasulfur changes from α-octasulfur to the β-polymorph.
At significantly shallower depths, above the Moho, calcic plagioclase is the more stable aluminous mineral in peridotite, while garnet is the stable phase deeper in the mantle below the spinel stability region.

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