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A combination considered characteristic of the mineral name, for example: ewingite: Ewg and neighborite: Nbo. A selection of letters expressing components of the name, for example: adranosite = Arn and hellandite: Hld. Lettered abbreviations when prefixes are present, for example: chlorocalcite = Ccal and nickelzippeite: Nizip.
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.
Ssangyong Engineering & Construction Co., Ltd (Korean: 쌍용건설) [1] was founded in 1977 in Shinchon-dong Songpa-gu, Seoul, South Korea. The company is involved in various aspects of construction, including housing development, civil engineering, building construction, and plant construction.
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(to be followed by the production department or vendor) overriding/superseding a detail on the drawing, which gets superseded with revised information.
EDG may refer to: Science and medicine. Electron donating group, a category in chemistry; ... Edison Design Group, an American software company; Edward Gaming, ...
For example, $225K would be understood to mean $225,000, and $3.6K would be understood to mean $3,600. Multiple K's are not commonly used to represent larger numbers. In other words, it would look odd to use $1.2KK to represent $1,200,000. Ke – Is used as an abbreviation for Cost of Equity (COE).
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
'Shanghai Construction Group', 'Company Limited by Shares'), was ranked at 1,096th on Forbes Global 2000 List, with a market cap of US$5.5 billion (as of May 2017). [2] The listed company was a constituent of SSE 180 Index [3] and its sub-index SSE MidCap Index.