primary extraction
1Extraction 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 …
2primary — /ˈpraɪmri / (say pruymree), /ˈpraɪməri / (say pruymuhree) adjective 1. first or highest in rank or importance; chief; principal. 2. first in order in any series, sequence, etc. 3. first in time; earliest; primitive. 4. constituting, or belonging… …
3extraction — A chemical procedure for removing one type of material from another. Extraction is generally carried out by immersing a solid in a liquid, or by shaking two immiscible liquids together, resulting in the transfer of a dissolved substance from… …
4primary sector — in industry, those activities concerned with extraction and or exploitation of raw materials …
5Resource 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,… …
6Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico …
7Shale 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 …
8Dental extraction — Pulling Teeth redirects here. For the song, see Kill Em All. Dental extraction Intervention Surgical extraction of an impacted molar. NIDCR. ICD 9 CM …
9Oil 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 …
10Intact dilation and extraction — (IDX, intact D X, et al.) Background Abortion type Surgical First use 1983 Gestation >16 weeks Usage United States 0.17% ( …
