Sentences with phrase «at a lower altitude»

They will fly at a low altitude.
This is NASA's push to figure out how unmanned aerial systems (UAS), such as drones that fly at a low altitude, can operate safely.
So far, only the Pentagon has carried out tests of such technologies, but at low altitudes.
Both crew members successfully ejected from the aircraft at low altitude.
The majority of the panel — made up of about 70 industry, labor, and law enforcement experts — agreed that technology already exists or will soon come to market that can track small drones at low altitudes.
This beauty features a constant flow of air at a lower altitude, lighting to match the appropriate time for your body clock, larger windows with button controlled shades, more space and comfort, and design that provides a quieter flight.
That overpressure, caused when the bomb detonates at a low altitude over its target, is designed to crush underground tunnels and bunkers like the ones often used by ISIS.
«Under our proposal everybody has to be collaborative — vehicles must be able to talk to each other and avoid each other as the airspace gets denser at low altitudes
The missile currently flies to its target at low altitude and subsonic speeds of about 550 miles per hour.
In Bulgaria we had the opportunity to conduct air - to - air training with the MiG - 29 and to fly at low altitude through the mountains before reaching the firing range; I was also fortune to participate in a CSAR training where we have managed to integrate Puma helicopters and Su - 25 attack planes... something you don't see every day!
Hi Matt, per our emails, I just thought I would post a comment update too... I did create this recipe at high altitude (6500 ft), so more baking powder may be needed at lower altitudes.
I live at low altitude, so the longer time is not due to altitude.
Although I am at a lower altitude (5700 ′), I wonder if your recipes will work for me?
Maybe I should give them a try at a lower altitude sometime.
I'm a fan of about 70 - 75 degrees, although at lower altitudes I hear 80 is fine as well.
The further north you live, and at lower altitudes, full sun is fine.
In the summer months, the county's Division of Vector Control typically conducts a blanket application of methoprene via helicopters flying at low altitude over Accabonac Harbor, Napeague, and Beach Hampton in Amagansett.
Incorporating this kind of data into the models has been difficult in part because geostationary data provide fewer measurements for any given vertical slice of the atmosphere than do polar orbiters, which circle Earth at lower altitudes.
The most - studied Himalayan glaciers are largely the most accessible, often those at lower altitudes, the USAID report said.
Pilots flew planes at lower altitudes to avoid exposing passengers to the increased incoming radiation.
I used to do quite dangerous things, like flying a fighter jet at low altitude.
At low altitudes, females born early under warm conditions have more time to grow large and produce offspring, so it is advantageous for these skinks» gender to be temperature - sensitive.
Aerosol nucleation is known to require sulphuric acid, but Kirkby's team found that it is not enough by itself at low altitudes — the presence of an additional organic trace vapour is needed (Nature, DOI: 10.1038 / nature10343).
The clock's mechanical parts left its accuracy at the mercy of shifting temperatures, pressures and even Earth's gravitational pull, since pendulums swing faster at lower altitudes and at Earth's poles.
At some airports — especially those with long runways in temperate regions and at low altitude where the air is relatively dense, like New York City's John F. Kennedy, London's Heathrow, and Paris's Charles de Gaulle airports — impacts should be minimal, the researchers report today in Climatic Change.
The gathering will draw approximately 400 representatives from other Arctic nations and interested foreign observers, and will give Obama a platform to highlight how changes in the Arctic will affect the rest of the world by accelerating warming, contributing to sea - level rise and changing precipitation patterns at lower altitudes.
At low altitudes, oxygen is plentiful, but athletes lose their added blood cells.
Sonic booms have caused alarm and damage when they have been produced in isolated cases by supersonic military jets flying over thinly populated areas; to allow a new fleet of booming supersonic transports to pass over cities at low altitudes during operations near metropolitan airports is clearly impossible.»
Rather, hotter sites close to the equator or at low altitudes are most likely to lose their lizards.
A century of digging at lower altitudes and in the warm Ukrainian plains rarely yielded more than skeletons or jewelry.
In a quest to better predict space weather, the Dartmouth researchers study the radiation belts from above and below in complementary approaches — through satellites (the twin NASA Van Allen Probes) high over Earth and through dozens of instrument - laden balloons (BARREL, or Balloon Array for Radiation belt Relativistic Electron Losses) at lower altitudes to assess the particles that rain down.
Mountain air contains less oxygen than air at lower altitudes, so breathing it causes the heart to beat faster and the body to burn more energy.
At low altitudes, about half the energy of such a bomb is released in the air blast, 35 percent as heat and 15 percent as nuclear radiation.
Planes could avoid creating contrails by flying at lower altitudes, he says, or steering clear of water - rich patches of air — although such measures could prove counterproductive if they make flying more inefficient and lead to a greater increase in CO2 levels.
Bailey agrees Lippl's findings are interesting but laments the study's lack of a control group staying at low altitudes.
At low altitude, the HIF2alpha protein is continually degraded and has no effect.
The Vanderbilt group is currently working on a test to help ranchers determine which cows carry the genetic susceptibility and should remain at low altitude.
They point out that the 50 per cent loss of ozone at low altitudes in the stratosphere is equivalent to a 15 per cent loss of total ozone (Nature, vol 259, p 283).
The highest flyers didn't beat their wings any more often than they did at low altitudes; instead, they increase what the researchers call their «stroke amplitude.»
But this «wall of wind» is a weaker feature at lower altitudes so volcanic aerosol was able to penetrate at altitudes below 13 kilometres.
Rumen Bojkov, of the UN's World Meteorological Organization, says this might explain the large losses of ozone observed at lower altitudes in the stratosphere.
Busseola fusca prefers mountain sides, whereas Chilo partellus predominate at low altitude; a new study has revealed this phenomenon.
It will start experimental flights at low altitude over the New Mexico desert in June, says Paul Klevatt, manager of the project.
«Aerial inspection of energy pipelines is federally required and typically performed using manned aircraft flying at low altitudes,» said David Yoel, chief executive officer of American Aerospace Technologies Inc. «If we validate unmanned aircraft technologies, we can reduce risks to pilots and the public, and more efficiently protect the country's critical infrastructure.»
Now researchers have discovered two new gene variants that help Tibetans use oxygen more efficiently than people who live at low altitudes; natural selection favored these variants in Tibetans, whose ancestors have lived at high altitude for thousands of years.
Two gene variants help Tibetans use oxygen more efficiently than people who live at low altitudes
The frequency also correlates with the strength of the magnetic field; it is greater at lower altitudes where the magnetic field is stronger.
«We have found the rotary wing aircraft to be more useful than fixed wing, because they can hover at lower altitudes and perform agile maneuvering, which makes them well suited for field inspections.»
Other important components are: the CO2 + species, peaking (104 ions / cm3) at similar altitudes; the NO + species, peaking (104 ions / cm3) at the altitude of ~ 100 km; other important ionic species at lower altitudes.
Greenhouse gases like CO2 and water vapour and dust have their largest effect at lower altitudes and their effect is reducing bottom up.
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