Examples of using Atmospheric oxygen in English and their translations into Vietnamese
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Metal and atmospheric oxygen reaction will form an oxide film on the surface.
Deforestation and loss of ecosystems that sustain global atmospheric oxygen and carbon dioxide balance;
The darkening process of the ink is due to the oxidation of the iron ionsfrom ferrous(Fe2+) to ferric(Fe3+) state by atmospheric oxygen.
There should be diffuse light and atmospheric oxygen conditions comparable to sea level.
It must, therefore,be stored away in air-tight containers to minimize contact with atmospheric oxygen.
It does not react with water, but it slowly reacts with atmospheric oxygen forming a layer of brown-black copper oxide.
Depending on the atmospheric oxygen content, temperature, pressure, etc. it takes seconds, minutes, hours or days for the substance to absorb oxygen from its surroundings.
This process is based upon the oxidation of atmospheric nitrogen by atmospheric oxygen to nitric oxide at very high temperatures.
Photosynthesis maintains atmospheric oxygen levels and supplies all the organic compounds and most of the energy necessary for all life on Earth.
The common allotrope of elemental oxygen on Earth is called dioxygen, O 2,the major part of the Earth's atmospheric oxygen(see Occurrence).
Since the start of the Cambrian period, atmospheric oxygen concentrations have fluctuated between 15% and 35% of atmospheric volume.
In order to increase the efficiency of the catalytic converter,the combustion of injected fuel and inhaled atmospheric oxygen must be precisely controlled at the right ratio.
One theory is that, at times when atmospheric oxygen levels were rising, more minerals may have oxidised on land and then washed into rivers and the ocean.
Dissolved oxygen can enter bodies of water naturally,typically at the water surface where atmospheric oxygen establishes an equilibrium with the water.
Combining with atmospheric oxygen, hemocyanin turns blue(hence the snail's“blue blood”), and when it gives up its oxygen to the tissues, the blood becomes colorless.
Vacuum Ultraviolet 200- 10 nm 6.20-124 eV strongly absorbed by atmospheric oxygen, though 150- 200 nm wavelengths can propagate through nitrogen.
The atmospheric oxygen then undergoes electrochemical reaction in such crude fuel cell with the silver as cathode and aluminum as anode, leading to growth of dendritic silver through the dielectric layer.
A hermetically sealed chamber filled with inert gas or a local inert shroud gas isoften used to shield the melt pool from atmospheric oxygen for better control of material properties.
An inert shroud gas isoften used to shield the melt pool from atmospheric oxygen for better control of properties, and to promote layer to layer adhesion by providing better surface wetting.
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.
Iron is easily oxidised by atmospheric oxygen and the aeration process provides the dissolved oxygen needed to convert the iron into an insoluble form, without the use of chemicals.
As a first step, Hyundai will grant Audi access to parts developed for the ix35 Fuel Cell and Nexo- both of which store compressed hydrogen on board,combine it with atmospheric oxygen, and create useable electricity while emitting only water.
Other estimates of the oceanic contribution to atmospheric oxygen are higher, while some estimates are lower, suggesting oceans produce~45% of Earth's atmospheric oxygen each year.
In addition to these, this oil serves other two purposes, it helps to preserve the core and winding as these are fully immersed inside oil and another important purpose of this oil is,it prevents direct contact of atmospheric oxygen with cellulose made paper insulation of windings.
The only ways on Earth that we knowhow to make these manganese materials involve atmospheric oxygen or microbes,” said Nina Lanza, a planetary scientist at Los Alamos National Laboratory in New Mexico.
By using atmospheric oxygen instead of storing the oxygen in the battery, you can drastically increase the storage density, in theory offering density gains of as much as forty times, compared to conventional lithium cells, leading to electric cars that can travel for thousands of miles on a charge.
The early tetrapods(from the Ancient Greek word meaning“four-footed”) were the first vertebrates to tread terra firma,developing lungs to capture atmospheric oxygen and turning fins into legs, but with a life cycle that was still closely tied to aquatic environments.
The plants found in hydric soils often have aerenchyma, internal spaces in stems and rhizomes,that allow atmospheric oxygen to be transported to the rooting zone.[2] Hence, many wetlands are dominated by plants with aerenchyma;[3] common examples include cattails, sedges and water-lilies.