mass balance weight

  • 71Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …

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  • 72Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 …

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  • 73Formation and evolution of black holes — From the exotic nature of black holes, it is natural to question if such bizarre objects could actually exist in nature or that they are merely pathological solutions to Einstein s equations. However in 1970, Hawking and Penrose proved the… …

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  • 74Sea level — For the sea level change associated with the current episode of global warming, see current sea level rise. For other uses, see Sea level (disambiguation). This marker indicating the sea level is placed on the path from Jerusalem to the Dead Sea …

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  • 75Ice sheet dynamics — describe the motion within large bodies of ice, such those currently on Greenland and Antarctica. Ice motion is dominated by the movement of glaciers, whose gravity driven activity is controlled by two main variable factors: the temperature and… …

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  • 76Glacial motion — is the motion of glaciers, which can be likened to rivers of ice. It has played an important role in sculpting many landscapes. Most lakes in the world occupy basins scoured out by glaciers. Glacial motion can be fast (up to 30 m/day, observed on …

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  • 77Climate change in New Zealand — Atmospheric carbon dioxide record from Baring Head, Wellington from 1977 to 2007.[1] See also: Climate of New Zealand Climate change in New Zealand, in the sense of anthropogenic global warming during the 20th century, is apparen …

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  • 78SR Merchant Navy class — SR Merchant Navy class[1] Official Southern Railway photograph of 21C1 Channe …

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  • 79Column chromatography — A chemist in the 1950s using column chromatography. The Erlenmeyer receptacles are on the floor. Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds. It is often used for… …

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  • 80Overdeepening — Sognefjord in Norway, the second longest fjord in the world, shows characteristic overdeepening. Overdeepening is a characteristic of basins and valleys eroded by glaciers. An overdeepened valley profile is often eroded to depths which are… …

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