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Grundfos (Danish pronunciation: [ˈkʁɔnfʌs]) is the largest pump manufacturer in the world, based in Denmark, with more than 19,000 employees globally.. The annual production of more than 16 million pump units, circulator pumps (UP), submersible pumps (SP), and centrifugal pumps (CR).
Infrared heaters are usually classified by the wavelength they emit: Near infrared (NIR) or short-wave infrared heaters operate at high filament temperatures above 1,800 °C (3,270 °F) and when arranged in a field reach high power densities of some hundreds of kW/m 2. Their peak wavelength is well below the absorption spectrum for water ...
Electric heating can either be purely resistance-type heating or make use of a heat pump system to take advantage of low-grade heat in the air or ground. A district heating system uses centrally located boilers or water heaters and circulates heat energy to individual customers by circulating hot water or steam. This has the advantage of a ...
From January 2008 to May 2012, if you bought shares in companies when Paul G. Stern joined the board, and sold them when he left, you would have a -17.9 percent return on your investment, compared to a -7.5 percent return from the S&P 500.
From September 2011 to December 2012, if you bought shares in companies when David P. King joined the board, and sold them when he left, you would have a -2.4 percent return on your investment, compared to a 18.4 percent return from the S&P 500.
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
From January 2008 to December 2012, if you bought shares in companies when David W. Bernauer joined the board, and sold them when he left, you would have a 55.9 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
Broccoli florets from California grower and sold at more than 1,000 Walmart stores are recalled because they could contain listeria. Broccoli sold by Walmart in 20 U.S. states recalled over ...
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