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Abbrev. [1]Meaning [1] Latin (or Neo-Latin) origin [1]; a.c. before meals: a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night ...
The anions can contain a single nickel ion, or multiple to form a cluster ion. The solid mixed oxide compounds are often ceramics, but can also be metallic. They have a variety of electrical and magnetic properties. Rare-earth elements form a range of perovskite nickelates, in which the properties vary systematically as the rare-earth element ...
De (Д д; italic: Д д) is a letter of the Cyrillic script. It commonly represents the voiced dental stop /d̪/ , like the pronunciation of d in " d oor", except closer to the teeth. De is usually Romanized using the Latin letter D.
Denormalization is a strategy used on a previously-normalized database to increase performance. In computing, denormalization is the process of trying to improve the read performance of a database, at the expense of losing some write performance, by adding redundant copies of data or by grouping data.
Formaldehyde forms cross-links by first combining with a protein to form methylol, which loses a water molecule to form a Schiff base. [47] The Schiff base can then react with DNA or protein to create a cross-linked product. [47] This reaction is the basis for the most common process of chemical fixation.
Devolution, de-evolution, or backward evolution (not to be confused with dysgenics) is the notion that species can revert to supposedly more primitive forms over time. The concept relates to the idea that evolution has a divine purpose ( teleology ) and is thus progressive ( orthogenesis ), for example that feet might be better than hooves , or ...
We tracked down the week's best deals at Amazon, including an iPad that's $100 off and a range of beauty products that are marked down.
The general nth order linear differential equation with constant coefficients has the form: + + … + + = = () = (). The function f ( t ) is known as the forcing function . If the differential equation only contains real (not complex) coefficients, then the properties of such a system behaves as a mixture of first and second order systems only.