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The hot crude oil is then passed into a distillation column that allows the separation of the crude oil into different fractions depending on the difference in volatility. The pressure at the top is maintained at 1.2–1.5 atm [ 2 ] so that the distillation can be carried out at close to atmospheric pressure, and therefore it is known as the ...
Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.
A dollar is a unit of reactivity for a nuclear reactor, calibrated to the interval between the conditions of criticality and prompt criticality.Prompt criticality will result in an extremely rapid power rise, with the resultant destruction of the reactor, unless it is specifically designed to tolerate the condition.
Mathematical tables containing common logarithms (base-10) were extensively used in computations prior to the advent of computers and calculators, not only because logarithms convert problems of multiplication and division into much easier addition and subtraction problems, but for an additional property that is unique to base-10 and proves ...
Elantris is a fantasy novel written by American fantasy and science fiction writer Brandon Sanderson.The book was published on April 21, 2005, by Tor Books and was Sanderson's first published book.
Zayed Central Library (ZCL) (Arabic: مكتبة زايد المركزية) is a national library in Al Ain, United Arab Emirates.Established in 1977 as one of the academic libraries of the United Arab Emirates University (UAEU), [1] it was opened to the general public in 2016 and hosts a collection of more than 100,000 books for readers of all age groups, making it the largest public library ...
Not only is 440 Hz the standard central pitch for MIDI, it is also widely used as the "concert A " standard pitch (A 4 e.g. USA, UK), and since that is represented in MIDI signals by the integer 69 (nine semitones above middle C (C 4, c′), which is 60 decimal or 0x3C hexadecimal), this gives a real number which expresses pitch in a manner ...