- coupling development
- 彩色显影, 匹配显影
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
Coupling (UK TV series) — Coupling Coupling intertitle (series 1–3) Format British sitcom Written by Steven Moffat … Wikipedia
Coupling (railway) — Knuckle (AAR Type E ) couplers in use ICE coupler A c … Wikipedia
Coupling rod — connecting rod and coupling rods attached to a small locomotive driving wheel A coupling rod or side rod connects the driving wheels of a locomotive. Steam locomotives in particular usually have them, but some diesel and electric locomotives,… … Wikipedia
Coupling (computer science) — In computer science, coupling or dependency is the degree to which each program module relies on each one of the other modules.Coupling is usually contrasted with cohesion. Low coupling often correlates with high cohesion, and vice versa. The… … Wikipedia
Development of the TGV — The idea of a high speed train in France was born about twenty years before the first TGVs entered service. At that time, about 1960, a radical new concept was thought up; combining very high speeds and steep grades would allow a railway to… … Wikipedia
Development of electronics for GM auto racing — In 1986, the GM Motorsports group asked Delco Electronics Corporation (December), a subsidiary of GM Hughes Electronics (headquarters – Kokomo, Indiana) if an electronic engine management system could be developed for the Chevy Indy V8 engines… … Wikipedia
Dixon Valve & Coupling Company — is a manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon, offers products for fire protection, food processing, dairy processing, beverage and brewery operations, industrial manufacturing,… … Wikipedia
Negishi coupling — The Negishi coupling is a cross coupling reaction in organic chemistry involving an organozinc compound, an organic halide and a nickel or palladium catalyst creating a new carbon carbon covalent bond:[1][2] The halide X can be chloride, bromine… … Wikipedia
Sonogashira coupling — In organic chemistry, a Sonogashira coupling is a coupling reaction of terminal alkynes with aryl or vinyl halides. This reaction was first reported by Kenkichi Sonogashira and Nobue Hagihara in 1975. [cite journal author = K. Sonogashira, Y.… … Wikipedia
Elastic coupling — Dr. Ing. Leonhard Geislinger invented the torsionally Elastic coupling or also called flexible coupling in 1958. Originally it was a side product of the development for thermo pneumatic locomotives, but unlike the trains, it was a big success.The … Wikipedia
Kumada coupling — A Kumada coupling or Kumada Corriu coupling is a cross coupling reaction in organic chemistry between a alkyl or aryl Grignard reagent and an aryl or vinyl halocarbon catalysed by nickel or palladium. This reaction is relevant to organic… … Wikipedia