Products
rocket
A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine. In all rockets, the exhaust is formed entirely from propellants carried within the rocket before use.[1] Rocket...
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Powder metallurgy
Powder metallurgy is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally consists of four basic...
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alloy
An alloy is a mixture or metallic solid solution composed of two or more elements.[1] Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may or may not...
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Rocket fuels
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Rocket fuels is mass that is stored in some form of propellant tank, prior to being used as the propulsive mass that is ejected from a rocket engine in the form of a fluid jet to produce thrust. A fuel propellant is often burned with an...
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Combustion
Combustion (English pronunciation: /kəmˈbʌs.tʃən /) or burning is the sequence of exothermicchemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species. The release of...
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Rocket fuels
Rocket fuels is mass that is stored in some form of propellant tank, prior to being used as the propulsive mass that is ejected from a rocket engine in the form of a fluid jet to produce thrust. A fuel propellant is often burned with an...
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Fuel
Wood was one of the first fuels used by humans and is still the primary energy source in much of the world.[citation needed]
Fuel is any material that stores energy that can later be extracted to performmechanical work in a controlled...
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Green chemistry
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Green chemistry, also called sustainable chemistry, is a philosophy of chemical research and engineering that encourages the design of products and processes that minimize the use and generation of hazardous substances.[1] Whereas environmental chemistry is the chemistry...
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Air pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or cause damage to the natural environment or built environment, into...