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The headstock supports the coupling at that end of the vehicle, and may also support buffers, in which case it may also be known as a "buffer beam". [107] Heavy haul Heavy freight operations [108] [109] [110] High rail The upper rail in a curve or superelevation, which typically experiences higher lateral loads and greater wear Hole A passing ...
Good's buffers (also Good buffers) are twenty buffering agents for biochemical and biological research selected and described by Norman Good and colleagues during 1966–1980. [ 1 ] [ 2 ] [ 3 ] Most of the buffers were new zwitterionic compounds prepared and tested by Good and coworkers for the first time, though some ( MES , ADA , BES , Bicine ...
A buffer solution is a solution where the pH does not change significantly on dilution or if an acid or base is added at constant temperature. [ 1] Its pH changes very little when a small amount of strong acid or base is added to it.
Chyme or chymus ( / kaɪm /; from Greek χυμός khymos, "juice" [ 1][ 2]) is the semi-fluid mass of partly digested food that is expelled by the stomach, through the pyloric valve, into the duodenum [ 3] (the beginning of the small intestine ). Chyme results from the mechanical and chemical breakdown of a bolus and consists of partially ...
Joining puzzle fans' morning rotations of the crossword, Wordle, and Connections is Strands, the New York Times' latest puzzle. Available to play online, Strands initially looks like a word search ...
The Kessock Bridge is a cable-stayed bridge across the Beauly Firth, an inlet of the Moray Firth, between the village of North Kessock and the city of Inverness in the Scottish Highlands . The bridge has a total length of 1,056 metres (3,465 ft) with a main span of 240 metres (787 ft). Designed by German engineer Hellmut Homberg [ de] and built ...
Buffer (rail transport) A pneumatic buffer with sections cut away. A buffer is a part of the buffers and chain coupler system used on the railway systems of many countries, among them most of those in Europe, for attaching railway vehicles together (in North America, rolling stock instead has draft gear built into the couplers).
Border states, or European buffer states, were the European nations that won their independence from the Russian Empire after the Bolshevik Revolution of 1917, the Treaty of Brest-Litovsk and ultimately the defeat of the German Empire and Austria-Hungary in World War I. During the interwar period, the nations of Western Europe implemented a ...