multistage production
41Model rocket — A typical model rocket during launch A model rocket is a small rocket that is commonly advertised as being able to be launched by anybody, to, in general, low altitudes (usually to around 100–500 m (300–1500 ft) for a 30 g (1 oz.) model) and …
42Carbonatation — is a chemical reaction where calcium hydroxide reacts with carbon dioxide and forms insoluble calcium carbonate::Ca(OH)2 + CO2 rarr; CaCO3 + H2OThe process of forming a carbonate is also referred to as carbonation, although this term can also… …
43Energy quality — the contrast between different forms of energy, the different trophic levels in ecological systems and the propensity of energy to convert from one form to another. The concept refers to our empirical experience of the characteristics, or qualia …
44Huolongjing — The Huolongjing (Wade Giles: Huo Lung Ching ; Traditional Chinese: 火龍經, rendered by its translator into English as Fire Drake Manual but correctly meaning Fire Dragon Manual ) is a 14th century military treatise that was compiled and edited by… …
45China Health and Nutrition Survey — The China Health and Nutrition Survey (CHNS), an ongoing international collaborative project between the Carolina Population Center at the University of North Carolina at Chapel Hill, the National Institute of Nutrition and Food Safety, and the… …
46Ant colony optimization algorithms — Ant behavior was the inspiration for the metaheuristic optimization technique. In computer science and operations research, the ant colony optimization algorithm (ACO) is a probabilistic technique for solving computational problems which can be… …
47Outline of marketing — The following outline is provided as an overview of and topical guide to marketing: Marketing refers to the social and managerial processes by which products, services and value are exchanged in order to fulfil individuals or group s needs and… …
48Saturn V — Infobox rocket caption = The first Saturn V, AS 501, before the launch of Apollo 4 name = Saturn V function = Manned LEO and Lunar launch vehicle manufacturer = Boeing (S IC) North American (S II) Douglas (S IVB) country origin = United States… …
49Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
50Smokeless powder — is the name given to a number of propellants used in firearms and artillery which produce negligible smoke when fired, unlike the older gunpowder (black powder) which they replaced. The basis of the term smokeless is that the combustion products… …
