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2,4,6-Trinitrobenzoic acid. Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). 2,4,6-Trinitrobenzoic acid ( TNBA) is an organic compound with the formula (O 2 N) 3 C 6 H 2 CO 2 H. It is a high explosive nitrated derivative of benzoic acid .
History. Softonic started in 1996 as a file-oriented download service called Shareware Intercom, [ 1] at Intercom Online (Grupo Intercom), a provider of Internet services in Cerdanyola del Vallès, near Barcelona (Catalonia, Spain). Files came from the "Files Library Intercom BBS" at Intercom Online, using a "5-step semi-automated process". [ 2]
2,4,6-Trichlorophenol, also known as TCP, phenaclor, Dowicide 2S, Dowcide 2S, omal, is a chlorinated phenol that has been used as a fungicide, herbicide, insecticide, antiseptic, [ 3] defoliant, and glue preservative. [ 4] It is a clear to yellowish crystalline solid with a strong, phenolic odor. It decomposes on heating to produce toxic and ...
Factor of adh. The Union Pacific Challengers are a type of simple articulated 4-6-6-4 steam locomotive built by American Locomotive Company (ALCO) from 1936 to 1944 and operated by the Union Pacific Railroad until the late 1950s. A total of 105 Challengers were built in five classes. They were nearly 122 ft (37 m) long and weighed 537 short ...
There are four ways to get your money out of an annuity, but none of them involve getting your entire investment back at no cost. To access more than 10 percent of your annuity’s value, you’ll ...
Evolved from. 2-6-2+2-6-2. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, a 4-6-2+2-6-4 is a Garratt or Union Garratt articulated locomotive using a pair of 4-6-2 engine units back to back, with the boiler and cab suspended between them. The 4-6-2 wheel arrangement of each engine unit has four leading ...
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The introduction of the 4-6-2 design in 1901 has been described as "a veritable milestone in locomotive progress". [3] On many railways worldwide, Pacific steam locomotives provided the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric ...