extraction cost

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• 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

• Cost-of-production theory of value — In economics, the cost of production theory of value is the theory that the price of an object or condition is determined by the sum of the cost of the resources that went into making it. The cost can compose any of the factors of production… …   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

• Supercritical fluid extraction — (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as the extracting solvent. Extraction is usually from a solid matrix, but can also be from liquids. SFE can be used as a sample …   Wikipedia

• Fragrance extraction — refers to the extraction of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression, or enfleurage. The results of the extracts are either essential oils, absolutes, concretes, or butters,… …   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

• Gel extraction — In molecular biology, gel extraction or gel isolation is a technique used to isolate a desired fragment of intact DNA from an agarose gel following agarose gel electrophoresis. After extraction, fragments of interest can be mixed, precipitated,… …   Wikipedia

• Sentence extraction — is a technique used for automatic summarization.In this shallow approach, statistical heuristics are used to identify the most salient sentences of a text. Sentence extraction is a low cost approach compared to more knowledge intensive deeper… …   Wikipedia

• Sustainable resource extraction — Describing the use of materials available in nature in a way that does not affect its balance. Usually however, sustainability is based on some kind of cost benefit analysis, where one has to accept some damage (or human caused unbalance) to the… …   Wikipedia

• Unit 669 — is an Airborne Rescue And Evacuation Unit ( he. יחידת החילוץ והפינוי בהיטס, Yechidat Hilu z Vehat zala Behethes ), which is the name of the Israeli Air Force elite heliborne medevac extraction unit. [cite press release |publisher = Asia Times… …   Wikipedia