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Alpha-aminoadipic semialdehyde synthase is an enzyme encoded by the AASS gene in humans and is involved in their major lysine degradation pathway. It is similar to the separate enzymes coded for by the LYS1 and LYS9 genes in yeast, and related to, although not similar in structure, the bifunctional enzyme found in plants.
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Ancillary services are specialty services and functions provided by actors within the electric grid that facilitate and support the continuous flow of electricity, so that the demand for electrical energy is met in real time. The term ancillary services is used to refer to a variety of operations beyond generation and transmission that are ...
SkyMiles is the frequent-flyer program of Delta Air Lines that offers points (or "miles") to passengers traveling on most fare types, as well as to consumers who utilize Delta co-branded credit cards, which accumulate towards free awards such as airline tickets, business and first-class upgrades, and luxury products. [1]
In power engineering, a single-line diagram ( SLD ), also sometimes called one-line diagram, is a simplest symbolic representation of an electric power system. [1] [2] A single line in the diagram typically corresponds to more than one physical conductor: in a direct current system the line includes the supply and return paths, in a three-phase ...
8 metre class. Thomas Valentin "Valla" Aass (28 April 1887 – 14 August 1961) was a Norwegian sailor and civil servant in the foreign service. [1] He was born in Kristiania as a son of wholesaler Julius Aas (1832–1909) and Hulda Mathilde Olsen (1848–1929). In 1923 he married lighthouse director's daughter Ingeborg Horn.
The logarithmic decrement is defined as the natural log of the ratio of the amplitudes of any two successive peaks: where x ( t) is the overshoot (amplitude - final value) at time t and x(t + nT) is the overshoot of the peak n periods away, where n is any integer number of successive, positive peaks. The damping ratio is then found from the ...