Definitions

1. Gases are composed of discrete particles (either molecules or atoms) and these particles are in a constant state of motion (That's the kinetic bit). (Web site)
2. Gases are also released from magma that either remains below ground (for example, as an intrusion) or is rising toward the surface. (Web site)
3. Gases are absorbed by the blood and body tissues when under pressure like in scuba diving, which causes an anesthetic effect known as nitrogen narcosis.
4. Gases are discharged from the combustion chamber 10 through an exhaust pipe 26. (Web site)
5. Gases are composed of molecules which collide with one another and solid objects. (Web site)

Volume

1. An optimum ratio of burner inner surface area to volume is provided; this ensures maximum cooling of the gases as combustion occurs. (Web site)

Breathing Loop

1. The valves are very important to ensure that the gases are scrubbed of CO2 and that there is enough O2 in the breathing loop.
2. A rebreather which vents part of the exhaled gases from the breathing loop as a function of each breath, RMV, or some other method.
3. Breathing loop The breathing loop in a rebreather is composed of all the internal areas within which the breathing gases flow.

Combustion Chamber

1. The exhaust side also includes an exhaust port for the expulsion of hot gases when the exhaust valve is in the open position in the combustion chamber. (Web site)
2. From the ideal gas law, the increased temperature of the gases also produces an increased pressure in the combustion chamber. (Web site)
3. The piston 16 moves through the BDC and pushes the spend gases from the combustion chamber. (Web site)

Exhaust Pipe

1. When an exhaust valve opens, it discharges the burned gases at high pressures into the exhaust pipe, which is at low pressure. (Web site)
2. When the engine is on its exhaust stroke, the piston is moving up, and pushing the exhaust gases out the exhaust pipe.
3. The exhaust manifold, usually constructed of cast iron, is a pipe that conducts the exhaust gases from the combustion chambers to the exhaust pipe. (Web site)

Xenon

1. Before 1962, it was generally assumed that xenon and other noble gases were unable to form compounds. (Web site)
2. To solve this puzzle, we may need to construct a different history for xenon than for the other gases now in the atmosphere. (Web site)
3. Xenon is a member of the zero- valence elements that are called noble or inert gases. (Web site)

Inert

1. In addition, it is possible to replace some of the hydrogen gas with inert gases such as nitrogen and argon. (Web site)
2. Since the only breathing gas of the Australian Method is oxygen, there is no risk of additional loading of nitrogen or other inert gases. (Web site)
3. The concentration of inert gases, such as nitrogen and helium, are planned and checked to avoid nitrogen narcosis and decompression sickness.

Earth

1. Carbon dioxide and other gases absorb some of this radiation and prevent its release, thereby warming the Earth. (Web site)
2. Much like the glass of a greenhouse, gases in our atmosphere sustain life on earth by trapping the sun's heat.
3. Stratosphere: Part of the atmosphere, the gases that encircle the Earth. (Web site)

Atmospheric

1. When we say atmospheric gases, we refer to a combination of Oxygen, Nitrogen and other inert gases that make up the earth's atmosphere.
2. Of all atmospheric gases found on Earth, the most abundant is Nitrogen, which makes up about 78% of the total atmosphere.
3. Its partial pressure contribution to air pressure increases, lowering the partial pressure contribution of the other atmospheric gases (Dalton's Law). (Web site)

Greenhouse

1. Greenhouse gases are gases in an atmosphere that absorb and emit radiation within the thermal infrared range. (Web site)
2. The problem is there was never any proof that CFCs were destroying the ozone.) All of these gases together are less than 4 percent of total greenhouse gases.
3. The reports rely on measurements of greenhouse gases as they exist in the atmosphere, after they may have mixed with other gases.

Water Vapour

1. Naturally occurring greenhouse gases include water vapour, carbon dioxide, ozone, methane and nitrous oxide, and together create a natural greenhouse effect.
2. Besides these two, air contains small amounts of carbon dioxide (0.03 to 0.04%), water vapour (variable), noble gases (0.94%), and dust particles.
3. Examples are the warming of planet as a function of increasing greenhouse gases, or the change in water vapour with temperature. (Web site)

Muffler

1. From there gases flow into the exhaust pipe where they pass through the muffler, reducing noise to an acceptable level and then out into the atmosphere. (Web site)
2. The pressure of the gases is reduced when they pass through the muffler, so they go out of the tail pipe quietly. (Web site)
3. For this reason, the exhaust manifold sends the gases to a muffler where they go through metal plates, or tubes, with a series of holes. (Web site)

Catalytic Converter

1. To prevent the engine from polluting the environment with these gases, we include a catalytic converter in our emission systems.
2. Exhaust gases leave the engine in a pipe, traveling through a catalytic converter and a muffler before exiting through the tailpipe. (Web site)
3. A major technological application for Cerium(III) oxide is a catalytic converter for the reduction of CO emissions in the exhaust gases from motor vehicles. (Web site)

Technical Divers

1. The 2640 psi low-pressure steel tanks are preferred by Nitrox and technical divers who expect to be blending their gases using the partial-pressure method. (Web site)
2. Technical divers require advanced training, extensive experience, specialized equipment and often breathe breathing gases other than air or standard nitrox.
3. Technical divers require advanced training, extensive experience, mixed gases and specialized equipment.

Technical Diving

1. Open circuit scuba may supply various breathing gases; but rarely pure oxygen, except during decompression stops in technical diving.
2. Information about the physics of technical diving, including the influences of inert gases on decompression and diver insulation.
3. In technical diving we use many different gases to optimize our bottom time and decompression obligation. (Web site)

Ash

1. A volcano is an opening, or rupture, in the Earth 's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface.
2. The eruption released about one cubic km of magma and spewed a cloud of ash and gases that reached as high as 19 kilometres.
3. Scientists were surprised by the eruption, which spewed ash and gases into the sky throughout the day of November 3. (Web site)

Hot Ash

1. And on the margins of pyroclastic flows, death and serious injury to people and animals may result from burns and inhalation of hot ash and gases. (Web site)
2. The cloud of hot ash and gases swept into town at an estimated speed of 100 miles per hour or more. (Web site)
3. During the eruption, a burning cloud of hot ash and gases swept into the town at a speed of 100 miles per hour. (Web site)

Motion

1. The kinetic molecular theory describes the motion of atoms and molecules and explains the properties of gases.

Hydrodynamics

1. It has several subdisciplines itself, including aerodynamics (the study of air and other gases in motion) and hydrodynamics (the study of liquids in motion). (Web site)
2. Branches of fluid dynamics include hydrodynamics (study of liquids in motion) and aerodynamics (study of gases in motion). (Web site)
3. Many of them require codes with different approaches for modeling the hydrodynamics of gases and plasmas in motion. (Web site)

Flue

1. Has flue gases that may be exhausted through a chimney or a side wall vent.
2. When processing high-nitrogen crudes, nitrogen oxides can form in the flue gases of furnaces. (Web site)
3. Heat is carried away not only in the high temperature of the flue gases, but also in the water vapour they contain. (Web site)

Vent

1. It starts as a vent, hole, or crack in the Earth's surface, through which hot molten rock (lava), gases, and tephra erupt.
2. A fumarole is vent where gases, either from a magma body at depth, or steam from heated groundwater, emerges at the surface of the Earth. (Web site)
3. Eruption Cloud: The column of gases, ash, and larger rock fragments rising from a crater or other vent. (Web site)

Inert Gases

1. Nitrogen, oxygen, and hydrogen are preferred, and helium is preferred from among the inert gases. (Web site)
2. Most breathing gases are a mixture of oxygen and one or more inert gases. (Web site)
3. Inert gases, such as nitrogen and helium, are absorbed into body tissues when breathed under high pressure.

Heliox

1. For a reduction in narcotic effects trimix or heliox, gases which also contain helium, are generally used by divers.

Hydrogen Sulfide

1. Methane is colorless, odorless, nearly invisible, highly flammable, and often found in conjunction with other gases such as hydrogen sulfide. (Web site)
2. Hydrogen sulfide, the most common companion of carbon oxysulfide and carbon disulfide, can be removed from gases by a number of known methods. (Web site)
3. Fumarole: A vent or opening through which issue steam, hydrogen sulfide, or other gases. (Web site)

Vapors

1. VOCs are gases or vapors given off by solids and liquids that often have short- and long-term adverse health effects. (Web site)
2. This partially blocks off the opening so that only a small amount of vapors and gases can be drawn into the intake manifold. (Web site)
3. When considering the toxicity of gases and vapors, the solubility of the substance is a key factor. (Web site)

Global Warming Potential

1. Each of these gases differ in their “global warming potential” – that is, their ability to absorb heat in the atmosphere.
2. The global warming potential is a measure of the relative radiative forcing of different gases.
3. It is the reference gas against which other greenhouse gases are measured and therefore has a Global Warming Potential of 1. (Web site)

Different Gases

1. The total pressure exerted by a mixture of gases is equal to the sum of the pressures of each gas of the different gases making up the mixture. (Web site)
2. The air is really a mixture of many different gases, and each gas has its own properties. (Web site)
3. It is hard to disentangle the percentage contributions to the greenhouse effect by different gases, because their respective infrared spectrums overlap.

Pure Oxygen

1. We can breathe pure oxygen, or a mixture of gases. (Web site)
2. The oxygen can be supplied as air, as pure oxygen gas, or as oxygen diluted with other inert gases, for example nitrogen or carbon dioxide. (Web site)
3. Pure oxygen can be employed, or mixtures of oxygen with inert gases such as air can be employed as a convenient source of oxygen. (Web site)

Mixed Gases

1. Closed-circuit rebreathers carry both pure oxygen and mixed gases. (Web site)
2. A major danger in using mixed gases is the high chance of stray sparks igniting the gases. (Web site)
3. The use of mixed gases, like Oxygen and Helium, full face masks, underwater voice communication, propulsion systems, computer, etc.

Radon

1. William Ramsay, between 1894 and 1908, first identified what were called the inert or noble gases: krypton, xenon, and radon.
2. Compounds of fluorine with rare gases have now been confirmed in fluorides of xenon, radon, and krypton.
3. One source of its atmosphere is outgassing —the release of gases such as radon that originate by radioactive decay processes within the crust and mantle. (Web site)

Neon

1. Some elements that exist naturally as atomic gases are Hydrogen and the noble gases, Helium, Neon, Argon, Krypton and Xenon. (Web site)
2. Apart from helium, and probably neon, all gases that can be breathed have a narcotic effect, which is greater as the lipid solubility of the gas increases.
3. The noble gases obtained from air other than krypton are argon, neon, and xenon. (Web site)

Sulfur Dioxide

1. It contains tiny particles of dust and dissolved gases such as carbon dioxide and sulfur dioxide.
2. Harmful gases such as carbon dioxide or sulfur dioxide are called "acid gases". (Web site)
3. Volcanic gases are primarily water vapor, carbon dioxide and sulfur dioxide.

Nitrogen Oxides

1. In addition to these gases, a real engine emits nitrogen oxides, carbon monoxide, and various unburned hydrocarbons left over from the gasoline. (Web site)
2. Acid rain occurs when gases such as sulphur dioxide and nitrogen oxides are present in the atmosphere. (Web site)
3. Nitrogen Oxides, or NOx, is the generic term for a group of highly reactive gases, all of which contain nitrogen and oxygen in varying amounts. (Web site)

Toxic Gases

1. The SO 2 and HCl generated are both gases which can leave the reaction vessel, driving the reaction forward, they are also both toxic gases. (Web site)
2. Improper venting of a heating system can allow toxic gases such as carbon monoxide to escape into the interior air.
3. Bleach should NEVER be mixed with cleaners containing ammonia; the mixture can create toxic gases and volatile explosives.

Carbon Monoxide

1. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen. (Web site)
2. The exhaust flow 104 typically includes gases such as nitrogen, carbon dioxide, carbon monoxide, hydrocarbons, nitrogen oxides, and other particulate matter. (Web site)
3. Woodstoves that are not properly maintained and vented can give off gases, including carbon monoxide, nitrogen, particulates, and hydrocarbons. (Web site)

Various Gases

1. The discovery of various gases and the analysis of air as a mixture of gases occurred during the phlogiston period. (Web site)
2. During a volcanic eruption, lava, tephra (ash, lapilli, volcanic bombs and blocks), and various gases are expelled from a volcanic vent or fissure. (Web site)
3. Various gases within the atmosphere absorb some solar radiation at different wavelengths, and clouds and dust also affect it. (Web site)

Partial

1. Partial pressure, nitrogen - PN2; pressure exerted by nitrogen component in any mixture of gases, or dissolved in a liquid.
2. Partial pressure, oxygen - PO2; pressure exerted by oxygen in any mixture of gases, or dissolved in a liquid.
3. It's the law of partial pressures, in which all the individual partial pressures of gases are totaled into one partial pressure. (Web site)

Partial Pressures

1. Gases dissolve, diffuse, and react according to their partial pressures, and not necessarily according to their concentrations in a gas mixture.
2. Gases dissolve, diffuse, and react according to their partial pressures, and not necessarily according to their concentration s in a gas mixture. (Web site)
3. The total pressure in a container is the sum of the partial pressures of all the gases in the container.

Exhaust System

1. Pressure in the cylinder causes the exhaust gases to rush past the valve and into the exhaust system. (Web site)
2. In the same way at exhaust of exhaust gases there is a positive pressure in the exhaust system because of the flow resistance. (Web site)
3. Exhaust gases are also cleaned up by fitting a catalytic converter into the exhaust system.

Hot Exhaust Gases

1. When the piston is forced down, the exhaust port is uncovered first, and hot exhaust gases begin to leave the cylinder. (Web site)
2. Finally, the gases are passed through a nozzle, generating additional thrust by accelerating the hot exhaust gases by expansion back to atmospheric pressure.
3. Internal-combustion engines include an exhaust system, which allows the hot exhaust gases to escape efficiently from the engine. (Web site)

Ideal Gases

1. For ideal gases this difference is a constant consistent with the kinetic theory of gases. (Web site)
2. In a mixture of ideal gases, each gas has a partial pressure which is the pressure which the gas would have if it alone occupied the volume.
3. Mixtures of gases also behave like ideal gases, provided the different components do not undergo a reaction, or interact in some other way. (Web site)

Kinetic Theory

1. The kinetic theory of gases uses statistical mechanics to relate this motion to the average kinetic energy of atoms and molecules in the system. (Web site)
2. Kinetic theory explains macroscopic properties of gases, such as pressure, temperature, or volume, by considering their molecular composition and motion. (Web site)
3. For an ideal gas the kinetic theory of gases uses statistical mechanics to relate the temperature to the average kinetic energy of the atoms in the system. (Web site)

Greenhouse Effect

1. Some gases in the atmosphere produce the "greenhouse effect", trapping the heat of Earth without allowing it to escape in the outer space.
2. Step One Scientists for decades have postulated that increases in carbon dioxide and other gases could lead to a greenhouse effect. (Web site)
3. The amount of heat energy added to the atmosphere by the greenhouse effect is controlled by the concentration of greenhouse gases in the Earth's atmosphere.

Atmospheric Gases

1. Their purpose is to protect the weld area from atmospheric gases, such as oxygen, nitrogen, carbon dioxide, and water vapor.
2. The gases include vaporized meteoroid material and atmospheric gases that heat up when the meteoroid passes through the atmosphere. (Web site)
3. The trapping of infrared radiation by atmospheric gases is also the basis of the greenhouse effect. (Web site)

Exhaust Ports

1. During the following exhaust stroke, exhaust ports must be opened to discharge spent gases from the combustion chamber. (Web site)
2. As the piston moves down, the exhaust ports uncover about 50 degrees from BDC. Exhaust gases are thus led out from the cylinder. (Web site)
3. The mixture of exhaust gases and petrol is drawn back from the exhaust ports into the cylinder.

Exhaust Port

1. As the piston descends, a hole in the side of the cylinder connected to the exhaust pipe (exhaust port) is opened, and the burned gases can escape. (Web site)
2. Now, as the piston moves up on the exhaust stroke, it forces the burned gases out of the cylinder through the exhaust port.
3. As the mixture enters the cylinder, it displaces and pushes the burnt gases out through the exhaust port.

Trimix

1. Trimix is a mixture of three gases used primarily for technical diving at depth.
2. Some deep diving breathing gases such as trimix and heliox can be hypoxic Don't breathe hypoxic gas in shallow water. (Web site)

Categories

1. Encyclopedia of Keywords > Places > Earth > Atmosphere
2. Nature > Matter > Atoms > Oxygen
3. Climate Change > Global Warming > Greenhouse Gases > Carbon Dioxide
4. Nature > Matter > Atoms > Nitrogen
5. Combustion

Subcategories

Helium (3)

Viscosity (2)

Carbon Monoxide Industrial Gas

Mach Number Partial Pressure

Radon Vapor

Related Keywords

* Air * Argon * Atmosphere * Breathing * Breathing Gases * Carbon Dioxide * Combustion * Combustion Gases * Cylinder * Cylinders * Dive * Diver * Divers * Diving * Emissions * Escape * Exhaust * Exhaust Gases * Expanding Gases * Fluids * Gases Escape * Greenhouse Gases * Hot * Hot Gases * Intake * Liquids * Magma * Methane * Mix * Mixing * Mixture * Nitrogen * Noble Gases * Oxygen * Piston * Solids * Sulfur * Temperature * Trace Gases * Water * Water Vapor

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