extraction ratio — the extent to which the plasma concentration of a substance is reduced as the blood flows through a clearing organ; calculated by the formula where E is the extraction rate, CA is the inflow plasma concentration, and CV is the outflow plasma… … Medical dictionary
Extraction of petroleum — Pumpjack on an oil well in Texas The extraction of petroleum is the process by which usable petroleum is extracted and removed from the earth. Contents 1 … Wikipedia
ratio — An expression of the relation of one quantity to another ( e.g., of a proportion or rate). SEE ALSO: index (2), quotient. [L. r. (ration ) a reckoning, reason, fr. reor, pp. ratus, to reckon, compute] absolute terminal innervation r. the number… … Medical dictionary
Liquid-liquid extraction — Liquid liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent. It is an of a substance … Wikipedia
Coffee extraction — Main article: Coffee preparation Proper brewing of coffee requires using the correct amount of coffee grounds, extracted to the correct degree (largely determined by the correct time), at the correct temperature. Contents 1 Concepts 2 Extraction… … Wikipedia
Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of … Wikipedia
Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus … Wikipedia
Resource extraction in the Democratic Republic of Congo — The Democratic Republic of the Congo (DR Congo, or DRC) is a nation full of complexity and seeming contradictions. The DRC, previously known as Zaire, is rich in natural resources ($24 trillion of minerals, by one estimate), species diversity,… … Wikipedia
DNA extraction — DNA isolation is a routine procedure to collect DNA for subsequent molecular or forensic analysis. There are three basic and two optional steps in a DNA extraction: Breaking the cells open, commonly referred to as cell disruption or cell lysis,… … Wikipedia
Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… … Wikipedia
