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Armstrong's mixture is a highly shock and friction sensitive [1] explosive. Formulations vary, but one consists of 67% potassium chlorate, 27% red phosphorus, 3% sulfur, and 3% calcium carbonate. [2] [3] It is named for Sir William Armstrong, who invented it sometime prior to 1872 for use in explosive shells. [4] [additional citation(s) needed]
Narrow gauge flat wagons, 750 mm (2 ft 5 + 1 ⁄ 2 in).Note the single buffer with a hook on the right side and a chain on the other. On some narrow-gauge lines in Europe, and on the Paris Metro, a simplified version of the loose-coupler is used, consisting of a single central buffer with a chain underneath.
9098 n/a Ensembl ENSG00000129204 n/a UniProt P35125 n/a RefSeq (mRNA) NM_001304284 NM_004505 NM_005152 n/a RefSeq (protein) NP_001291213 NP_004496 n/a Location (UCSC) Chr 17: 5.12 – 5.18 Mb n/a PubMed search n/a Wikidata View/Edit Human Ubiquitin carboxyl-terminal hydrolase 6 (USB6), also termed TRE17 and Tre-2, is a deubiquitinating enzyme that in humans is encoded by the hominid (i.e ...
A master link or quick-release link is a roller chain accessory that allows convenient connection and disconnection of a chain without the need for a chain tool. [1] It acts as a set of the chain's outer plates, so joining two sets of the chain's inner plate ends. Such master links may or may not be re-usable. [2]
Roller chains are used in low- to mid-speed drives at around 600 to 800 feet per minute; however, at higher speeds, around 2,000 to 3,000 feet per minute, V-belts are normally used due to wear and noise issues. A bicycle chain is a form of roller chain. Bicycle chains may have a master link, or may require a chain tool for
The maximum size and position of the holes in the connector defined in the original patent [5] and is now defined in international standard ISO 1161:2016. [6] The tensile strength of a twistlock is rated at either 20 or 25 tonnes (19.7 or 24.6 long tons; 22.0 or 27.6 short tons). [7]
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
The dog clutch contrasts with the friction clutch, the most basic form of which comprises a smooth disc and pressure plate: when pressed together they lock up simply through friction, which permits some degree of slip as the mating pressure is modulated and thus permits some difference in the rotational speeds of the discs.