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9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) is an organophosphorus compound that is used to produce fire retardants. From the chemistry perspective, it is a derivative of hypophosphorous acid as well as a derivative of phenanthrene. The reactivity of the P-H center allows for the conjugation of DOPO to many monomers.
ER1 electric trainset (Cyrillic: ЭР1) was manufactured by Rīgas Vagonbūves Rūpnīca between 1957 and 1962 for suburban commuting usage within the Soviet Union on lines electrified on 3000 V, DC. See also
The Stadler KISS is a family of bilevel electric multiple unit commuter trains developed and built since 2008 by Stadler Rail of Switzerland. As of 2016, 242 KISS trainsets comprising 1,145 cars have been sold to operators in eleven countries. [6]
These were 10-car trains consisting of 5 2-car sections (each comprising 1 power car and 1 trailer), which were permanently coupled together. This greatly improved the power-to-weight ratio (hence improving acceleration) and simplified production; the disadvantage was that train length could no longer be adjusted for traffic conditions.
9,10-Dibromoanthracene is an organic chemical compound containing anthracene with two bromine atoms substituted on its central ring. It is notable in that it was the first single molecule to have a chemical reaction observed by an atomic force microscope and scanning tunneling microscopy .
1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge The Y1 is a diesel-hydraulic standard gauge railcar (single self-propelling carriage). It is in use in Croatia , Serbia , Kosovo , Sweden and Uruguay .
January 7, 2025 at 12:10 PM. Detroit Lions head coach Dan Campbell said Tuesday he expects running back David Montgomery to return in time for the team's first playoff game in the divisional round.
ER1 may refer to: ER1 (hospital) , prototype hospital envisioned for the Washington D.C. area ER1 electric trainset , manufactured by Rīgas Vagonbūves Rūpnīca from 1957 till 1962