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Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...
The Turabay dynasty was a family of Bedouin emirs who governed the district of Lajjun in northern Palestine during Ottoman rule in the 16th–17th centuries. The family's forebears had served as chiefs of Jezreel Valley during Mamluk rule in the late 15th century. During the Ottoman conquest of the region in 1516–1517, the family aided ...
The use of metal-free columns allows direct labeling of 68 Ga without prepurification, hence making production of gallium-68-radiolabeled compounds more convenient. The mobile phase is a solvent able to elute (wash out) gallium-68 (III) ( 68 Ga 3+ ) after it has been produced by electron capture decay from the immobilized (absorbed) germanium-68.
Today’s highest savings rates are at FDIC-insured digital banks and online accounts offering yields of up to 5.50% APY with a $1,000 minimum deposit at Poppy Bank and up to 5.30% APY with no ...
A new study published in JACC CardioOncology suggests that a Mediterranean diet could support longevity and cardiovascular health in cancer survivors. The Mediterranean diet is known for its ...
A radioisotope thermoelectric generator ( RTG, RITEG ), sometimes referred to as a radioisotope power system (RPS), is a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect. This type of generator has no moving parts and ...
In 2003 these limits were set at a minimum of 20% and a maximum of 25%. [15] Since July 1, 2007, the mandatory blend is 25% of anhydrous ethanol and 75% gasoline or E25 blend. [16] The lower limit was reduced to 18% in April 2011 due to recurring ethanol supply shortages and high prices that take place between harvest seasons. [17]
Karl Benz (1844–1929) made the 1886 Benz Patent Motorwagen, which is widely regarded as the first automobile.. Mercedes-Benz traces its origins to Karl Benz's first internal combustion engine in a car, seen in the Benz Patent Motorwagen – financed by Bertha Benz's dowry [10] and patented in January 1886 [11] – and Gottlieb Daimler and their engineer Wilhelm Maybach's conversion of a ...