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An electron donating group (EDG) or electron releasing group (ERG, Z in structural formulas) is an atom or functional group that donates some of its electron density into a conjugated π system via resonance (mesomerism) or inductive effects (or induction)—called +M or +I effects, respectively—thus making the π system more nucleophilic.
The company was founded in 1948, in Belo Horizonte, Minas Gerais by the Andrade and Gutierrez families. As of 2013, Andrade Gutierrez is the second largest construction company in Brazil, with over a thousand projects carried out domestically and globally. [2] It has branches in 44 countries and a net income of 8 billion BRL. [3] [4]
The EPC contractor coordinates all design, procurement and construction work and ensures that the whole project is completed as required and in time. They may or may not undertake actual site work. EPC companies are often used in large-scale projects, such as power plants, refineries, chemical processing facilities, infrastructure projects, and ...
OCM – offshore construction manager; OCS – offshore construction supervisor; OCTG – oil country tubular goods (oil well casing, tubing, and drill pipe) [23] OD – outer diameter (of a tubular component such as casing [citation needed]) ODT – oil down to; OFE – oil field equipment; OFST – offset vertical seismic profile
M. M. D. Moody & Sons, Inc. Magnusson Klemencic Associates; Manhattan Construction Company; Marsh Engineering Company; Martin & Vleminckx; Massillon Bridge Company
edge distance Drilled holes, and fasteners are commonly required to have a minimum edge distance (min ED). EO, ECO, ECN: engineering order: An order from the engineering department (to be followed by the production department or vendor) overriding/superseding a detail on the drawing, which gets superseded with revised information.
CEP—Country Environmental Profile —Clean Energy Partnership, a joint hydrogen-project in Europe. CEPS—Centre for European Policy Studies; CEPII—Centre d'Etudes Prospectives et d'Informations Internationales Economics think tank; CEQ—Council on Environmental Quality; CER—Certified Emission Reduction; CERA—Cambridge Energy Research ...
WSP office in Markham, Ontario, Canada WSP USA offices in New York City.. WSP Global Inc. is a Canadian consulting firm working mostly in the built environment.It was created in 2012, following Montreal-based Genivar's takeover of British firm WSP Group plc.