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  2. Electrophilic aromatic directing groups - Wikipedia

    en.wikipedia.org/wiki/Electrophilic_aromatic...

    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.

  3. Andrade Gutierrez - Wikipedia

    en.wikipedia.org/wiki/Andrade_Gutierrez

    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]

  4. Engineering, procurement, and construction - Wikipedia

    en.wikipedia.org/wiki/Engineering,_procurement...

    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 ...

  5. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    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

  6. Category : Construction and civil engineering companies of ...

    en.wikipedia.org/wiki/Category:Construction_and...

    M. M. D. Moody & Sons, Inc. Magnusson Klemencic Associates; Manhattan Construction Company; Marsh Engineering Company; Martin & Vleminckx; Massillon Bridge Company

  7. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    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.

  8. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    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 ...

  9. WSP Global - Wikipedia

    en.wikipedia.org/wiki/WSP_Global

    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.