primary depletion

primary depletion
первичная добыча;
первичная разработка

Большой англо-русский и русско-английский словарь. 2001.

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  • Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …   Wikipedia

  • Uranium depletion — is the inescapable result of extracting and consuming uranium since it is a finite resource. The journal Environmental Science and Technology argues that the availability of high grade uranium ore will deplete over time making the fuel more… …   Wikipedia

  • Oil depletion — per major producing country. This model assumes world oil depletion remains constant at the 2004 level of 80 million barrels per day.[1] However, world oil depletion is currently (as of 2008) at 85 million barrels per day …   Wikipedia

  • Tropospheric ozone depletion events — During springtime in the polar regions, unique photochemistry convertsinert halide salt ions (e.g. Br ) into reactive halogenspecies (e.g. Br atoms and BrO) that deplete ozone in the boundary layerto near zero levels. Since their discovery in the …   Wikipedia

  • Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

  • Natural resource — Primary resource redirects here. For original sources used in research, see Primary source. The rainforest on Fatu Hiva, Marquesas Islands is an example of an undisturbed natural resource. Forest provides timber for humans; food and shelter for… …   Wikipedia

  • Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …   Wikipedia

  • radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

  • AIDS — For other uses, see AIDS (disambiguation). Acquired immunodeficiency syndrome (AIDS) Classification and external resources …   Wikipedia

  • MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …   Wikipedia

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium


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