Specimens are allowed to reach moisture equilibrium with a standard atmosphere of Af and Af and then laid out without tension on a flat, polished surface, care being taken that the fabric is free from wrinkles or creases.

However, Holly chafed under a restrictive atmosphere that allowed him little input.

Release or burning of methane would of course at least partially offset the obtained sequestration result – except when the gas is allowed to escape into the atmosphere in significant quantities: methane has a higher global warming potential than CO < sub > 2 </ sub >.

The forerunner to the modern gas mask was invented in 1847 by Lewis Haslett, a device that contained elements that allowed breathing through a nose and mouthpiece, inhalation of air through a bulb-shaped filter, and a vent to exhale air back into the atmosphere.

This new atmosphere allowed the evolution of complex life such as protists.

This allowed the chemical composition of the stellar atmosphere to be determined.

In the interstellar medium, sodium is identified by the D line ; though it has a high vaporization temperature, its abundance allowed it to be detected by Mariner 10 in Mercury's atmosphere.

Space telescopes allowed astronomers to study light emitted beyond the visible spectrum which is not detectable from ground-based observatories ( because only radio waves and visible light penetrate the Earth's atmosphere ).

Their infrared eyesight not only allowed them to see Thread but to discern live Thread from Thread that had been frozen by the night atmosphere, and the shorter wingspan was intended to minimize Thread damage.

It was discovered that a valve had opened just prior to leaving orbit that had allowed the capsule's atmosphere to vent away into space, causing Volkov and his two flight companions to suffer fatal hypoxia as their cabin descended toward the earth's atmosphere.

For example, the second phase of the 2010 eruptions of Eyjafjallajökull was classified as VEI 4 despite a modest 8 km high eruption column, but the eruption continued for a month, which allowed a large volume of ash to be ejected into the atmosphere.

It was discovered that a valve had opened just prior to leaving orbit that had allowed the capsule's atmosphere to vent away into space, suffocating the crew.

It was discovered that a valve had opened just prior to leaving orbit that had allowed the capsule's atmosphere to vent away into space, suffocating the crew.

This effect could transport radiation more efficiently than a homogeneous atmosphere, increasing the allowed total radiation rate.

Process liquids and gases containing hazardous vapors, dangerous toxic chemicals or flammable petroleum must not be allowed to leak into the atmosphere or onto the ground.

Stillman was famous for keeping his gym as unsanitary as possible: He allowed the public to smoke in a closed-windows atmosphere, and he absolutely required the gym floors to go uncleaned, sometimes for years.

The valley's natural beauty, its peaceful atmosphere in summer and snow in winter have allowed the development of a flourishing tourist industry and especially winter sports, most famously at Courmayeur and Cervinia.

De Duve proposes that peroxisomes may have been the first endosymbionts, which allowed cells to withstand the growing amounts of free molecular oxygen in the Earth's atmosphere.

One balloon returned data that allowed Abbot to determine the solar constant at the highest point of the Earth's atmosphere.

The periapsis portion of the orbit would have allowed in-situ measurements of the thermosphere and lower exosphere and remote sensing of the lower atmosphere and surface.

This damage allowed super-heated gases to enter the wing structure during re-entry into the Earth's atmosphere and caused the destruction of the Columbia.

The timing of the flight, when the Antarctic ozone hole is diminishing, allowed scientists to study possible effects of the ozone hole on mid-latitudes, the way Antarctic air recovers, and how the northern atmosphere changes as the winter season approaches.

Its flight capability allowed it to rise above almost all of the water vapor in the Earth's atmosphere ( allowing observations of infrared radiation, which is blocked before reaching ground-based facilities ), as well as travel to almost any point on the Earth's surface for an observation.

Lyta Alexander was given " gills " on her neck that allowed her to breathe the atmosphere within the Vorlon ambassador's chamber, though the Narn can do much the same.

In the supernatural atmosphere of cosmic government, only the ruling elite was ever concerned with a kingdom-wide ordering of nature: popular religion aimed at more personal benefits from magical powers.

Atomic orbitals exactly describe the shape of this " atmosphere " only when a single electron is present in an atom.

Collins decided to record it in the late 1960s amid an atmosphere of counterculture introspection ; she was part of an encounter group that ended a contentious meeting by singing " Amazing Grace " as it was the only song to which all the members knew the words.

It is clear that using oxygen to completely oxidize glucose provides an organism with far more energy than any oxygen-independent metabolic feature, and this is thought to be the reason why complex life appeared only after Earth's atmosphere accumulated large amounts of oxygen.

The dominance of fungal species lasted only a few years while the atmosphere cleared and there was plenty of organic matter to feed on.

Because the Earth completes only one rotation per day, the Coriolis force is quite small, and its effects generally become noticeable only for motions occurring over large distances and long periods of time, such as large-scale movement of air in the atmosphere or water in the ocean.

The natural abundance of hydrogen ( H < sub > 2 </ sub >) in the Earth's atmosphere is only on the order of parts per million, but H < sub > 2 </ sub > is, in fact, the most abundant diatomic molecule in nature.

In 1772, Antoine Lavoisier used a lens to concentrate the rays of the sun on a diamond in an atmosphere of oxygen, and showed that the only product of the combustion was carbon dioxide, proving that diamond is composed of carbon.

Rainforests are widely believed by laymen to contribute a significant amount of world's oxygen, although it is now accepted by scientists that rainforests contribute little net oxygen to the atmosphere and deforestation has only a minor effect on atmospheric oxygen levels .< ref > Broeker, Wallace S. ( 2006 ).

It not only evokes the atmosphere of horror and dread, but also portrays the deterioration of its world.

In 1994, Galileo provided the only direct observation of Comet Shoemaker-Levy 9's impact into the atmosphere of Jupiter.

Aerobraking does not require a thick atmosphere – for example most Mars landers use the technique, and Mars ' atmosphere is only about 1 % as thick as Earth's.

Without Virginia, a new convention might have been held and a new constitution written in a much more polarized atmosphere, since the constitution did not specify what would happen if it was only partially ratified.

A particular reason to observe the Moon is that our vantage from a location on Earth sees only meteors coming into the atmosphere relatively close to us while impacts on the Moon would be visible from across the Moon in a single view.

This property was used in incendiary weapons used in the firebombing of cities in World War II, the only practical civil defense being to smother a burning flare under dry sand to exclude the atmosphere.

Of course, air is only one possible medium to use in a realization of the metre, and any partial vacuum can be used, or some inert atmosphere like helium gas, provided the appropriate corrections for refractive index are implemented.

Meteoroids that experience disruption in the atmosphere may fall as meteorite showers, which can range from only a few up to thousands of separate individuals.

The escape of hydrogen from Earth's atmosphere into space may have occurred at only one percent of the rate previously believed based on revised estimates of the upper atmosphere's temperature.

To compute dust and smoke impacts, they employed a one-dimensional microphysics / radiative-transfer model of the Earth's lower atmosphere ( to the mesopause ), which defined only the vertical characteristics of the global climate perturbation.

Elemental only began to accumulate in the atmosphere after the evolutionary appearance of these organisms, roughly 2. 5 billion years ago.

However, " relatively high ," in the case of ozone, is still very small with regard to ordinary oxygen, and is less than ten parts per million, with the average ozone concentration in Earth's atmosphere being only about 0. 6 parts per million.

However, they are of danger only to astronauts, since they are deflected by the Earth's magnetic field and then stopped by its atmosphere.

New archaeological discoveries by a team of international scientists, in 2006, have revealed that the Santorini event was much more massive than previously thought ; it expelled of magma and rock into the Earth's atmosphere, compared to previous estimates of only in 1991 ,< ref >