英語 での Atmospheric oxygen の使用例とその 日本語 への翻訳
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Some 2.4 billion years ago, Earth's atmospheric oxygen was scarce.
By observing changes in atmospheric oxygen concentrations measured at Hateruma and Ochi-ishi stations, we can study CO2 balance.
Oil rancidity caused by exposure to atmospheric oxygen, light and bacteria.
This gives it a metallic sheen,but sodium is oxidized very quickly by atmospheric oxygen.
Most important, how did the amount of atmospheric oxygen reach its present level?
Buenos Aires has not yet clarified the lasttime San Juan had access to atmospheric oxygen.
Figure 4 illustrates the variation in atmospheric oxygen measured at the Hateruma and Ochi-ishi monitoring stations.
Some media accounts havesuggested that fires in the Amazon also threaten the atmospheric oxygen that we breathe.
Atmospheric oxygen emits microwaves, the intensity of which is directly proportional to the temperature of the oxygen, and thus the atmosphere.
Global oceanic and land biotic carbon sinks from the Scripps atmospheric oxygen flask sampling network.
A low level of atmospheric oxygen in Earth's middle ages held back evolution for 2 billion years, raising fresh questions about the origins of life.
This is one of the main explanations for a gradual decline in atmospheric oxygen levels recorded worldwide.
As a result, solar radiation(UV radiation), atmospheric oxygen and moisture(precipitation, humidity) can have a lasting negative impact on material characteristics.
Deforestation and loss of ecosystems that valuably contribute to the global atmospheric oxygen and carbon dioxide balance.
Oxygenation of the deep ocean associated with a rise in atmospheric oxygen levels in the geological past is thought to signal the emergence of modern marine biogeochemical cycles.
The deforestation andloss of ecosystems contributing valuably the overall balance of atmospheric oxygen and carbon dioxide;
Gradual acclimatization is important because the amout of atmospheric oxygen available for breathing at high elevations is considerably less than it is at sea level.
Under normal conditions of use, the factor most strongly influencing thedurability of a material is resistance to oxidation by atmospheric oxygen.
Researchers discovered that over the past 800,000 years, atmospheric oxygen levels have dropped by 0.7 percent.
Little known among the populace, but well known among scientists,is that the ocean is one of the largest producers of the atmospheric oxygen.
Most scientists think that cyanobacteria produced Earth's first atmospheric oxygen, so that one day more complex animals could evolve.
But the proportion of atmospheric oxygen has varied between 10 percent and 35 percent over the past 500 million years, and Poulsen and colleagues have developed a model to show how those fluctuations might impact climate.
We simulated the Martian surface environment in our laboratory and found that the combination of ultraviolet radiation,mineral grain surfaces, atmospheric oxygen and extremely dry conditions produce superoxide ions.
Highly oxygen-permeable ion conductors can incorporate atmospheric oxygen more efficiently, promising increased performance of solid oxide fuel cells*2, as well as accelerating research and development.
Researchers at the University of Leicester in England warn that, if their model is correct,this ocean warming and resulting global depletion of atmospheric oxygen may result in“mass mortality of animals and humans.”.
Estimates of the timing of deep-ocean oxygenation and the related increase in atmospheric oxygen levels range from about 800 to 400 million years ago and are generally based on geochemical signatures that indirectly reflect the geochemical state of the deep ocean.
Nitrogen oxide research proves the path for discovery of new hydrogen production method"Fuel cells" thatproduce electricity by creating reactions between hydrogen and atmospheric oxygen are a current focus of next-generation energy.
Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel(the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
Species, including humans, known to possess animal cognition require large amounts of energy,[189] and have adapted to specific conditions,including an abundance of atmospheric oxygen and the availability of large quantities of chemical energy synthesized from radiant energy.
All parts of the system downstream of the actual highly heating section are of aseptic design to eliminate the risk of reinfection,include aseptic packaging in packages protecting the product against light and atmospheric oxygen Ambient storage is normalVarious UHT systems: There are two main types of UHT systems on the market-.