[permalink] [id link]
At high altitudes the precipitation falls mainly as ice crystals before melting and finally evaporating ; this is usually due to compressional heating, because the air pressure increases closer to the ground.
from
Wikipedia
Some Related Sentences
At and high
At one time it was the ambition of every saxophone player in every high school band in America to blow like Bird.
At the rate of need indicated in the early weeks of the month, this could mean a shortage of as high as $17,000.
At the start of a new industrial age in the 18th century, it was believed that " people are the riches of the nation ", and there was a general faith in an economy that paid its workers low wages because high wages meant workers would work less.
At Mulhouse high school he got his " Abitur " ( the certificate at the end of secondary education ), in 1893.
At least for the younger individuals, a high running speed is plausible.
* 1889 – At high noon, thousands rush to claim land in the Land Run of 1889.
At the suggestion of his friend Benjamin Ruff, Carnegie's partner Henry Clay Frick had formed the exclusive South Fork Fishing and Hunting Club high above Johnstown, Pennsylvania.
At high speeds the ailerons could apply more torque than the Spitfire's thin wings could handle, and the entire wing would twist in the opposite direction.
At the same time annual inflation in the economy was variable and during the last five years ( 2003 – 2007 ) has seen a low of 2. 3 % and high of 7. 3 %.
At high temperatures, organobromine compounds are easily converted to free bromine atoms, a process which acts to terminate free radical chemical chain reactions.
At high levels of play, especially in singles, the sport demands excellent fitness: players require aerobic stamina, agility, explosive strength, speed and precision.
At high levels of play, the backhand serve has become popular to the extent that forehand serves have become fairly rare at a high level of play.
At high levels of play, doubles rallies are extremely fast.
At high levels of play, singles demands extraordinary fitness.
At high levels of play, the formations will generally be more flexible: the top women players are capable of playing powerfully from the back-court, and will happily do so if required.
At the current time, it is more economical to smelt copper ore rather than to use bioleaching, since the concentration of copper in its ore is in general quite high.
At the end of September 2003, the first part of High Speed 1, a high speed link to the Channel Tunnel and on to France and Belgium, was completed, significantly adding to the rail infrastructure of the country.
At least 10 – 20 high power ( 1000 × oil immersion ) fields are counted and an average determined.
At low pressure, there was enough space between the gas atoms that the ions could accelerate to high enough speeds that when they struck another atom they knocked electrons off of it, creating more positive ions and free electrons in a chain reaction.
At the same time, Greek fortifications began to feature high towers with shuttered windows in the top, presumably to house anti-personnel arrow shooters, as in Aigosthena.
At these very high vacuums the effect of photon radiation pressure on the vanes can be observed in very sensitive apparatus ( see Nichols radiometer ) but this is insufficient to cause rotation.
At the same time, Greek fortifications began to feature high towers with shuttered windows in the top, which could have been used to house anti-personnel arrow shooters, as in Aigosthena.
A high point for the group was their 1963 live album At Carnegie Hall, described by critic Richard Palmer as " arguably Dave Brubeck's greatest concert ".
At age 14 Sapir won a Pulitzer scholarship to the prestigious Horace Mann high school, but he chose not to attend the school which he found too posh, going instead to Peter Stuyvesant High School, and saving the scholarship money for his college education.
At and altitudes
At higher altitudes, a form of arid shrubland was also present.
At the time, air traffic control consisted of flight numbers, altitudes and headings written on little slips of paper and placed in a case.
At higher altitudes the amount of oxygen ions decreases and lighter ions such as hydrogen and helium become dominant, this layer is the topside ionosphere.
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 even higher low earth orbit altitudes atomic oxygen is a significant presence and a cause of erosion for spacecraft.
At the interior's higher altitudes, the average yearly temperature is, and nights are generally cool.
At low altitudes, the B-58 ended up with performance that was only a small improvement over the B-47 it was meant to replace.
At altitudes above, dwarf nothofagus communities are found.
At the time they entered service all three V bombers were capable of altitudes that put them effectively out of reach of the then contemporary gun-armed Soviet interceptors such as the MiG 15, MiG 17, and later MiG 19.
At still higher altitudes up in the mesospere, noctilucent clouds sometimes seen in polar regions in the summer usually appear a silvery white that can resemble brightly illuminated cirrus.
At higher altitudes, the boiling point of liquid in the pressure cooker will be slightly lower than it would be at sea level.
At such altitudes, the reserve parachute is useless.
At higher altitudes, the warm moist air is less dense than the cooler, drier air and the boundary slope reverses.
At higher altitudes smaller-leaved species grow, and in alpine areas there are whipcord species with leaves reduced to thick scales.
At these altitudes, jet engines achieve maximum efficiency over long distances.
At very low altitudes there were only seconds in which to react when spotting an aircraft over local terrain, so a hand-swung weapon was the only possibility, no matter how inaccurate.
At higher altitudes, the sky trends to darker colors, since scattering is reduced due to lower air density ; an extreme example is the moon, where there is no atmosphere and no scattering, making the sky on the moon black even when the sun is visible.
At high altitudes ( greater than two kilometres or 5000 feet ) three minutes is recommended.
At burst altitudes of approximately 7 meters / kiloton, a crater is not formed, and correspondingly lower amounts of dust and debris are produced.
At low altitudes the true height of an aircraft relative to an object on the ground needs to be known.
At high speeds and altitudes, calibrated airspeed must be further corrected for compressibility error to give equivalent airspeed ( EAS ).
At other altitudes compressibility error correction may be obtained from a chart.
At the current stage of development, the bottom-lasered type of lightcraft exist as small hand-sized test specimens which have attained altitudes of a few hundred feet.
At high altitudes of the Earth's atmosphere ( greater than 22, 000 feet m ), the partial pressure of oxygen ( required for human respiration ) is low.
0.172 seconds.