Oracle Express is no longer actively promoted by Oracle and is officially end-of-life (tho still used by satisfied customers across the world). The successor is Oracle OLAP - the Oracle Database OLAP Option.
By Doug Stelling. The annular plate-to-shell junction is one of the most critical areas in an API 650 Tank, and is one of the most difficult areas in which to assess corrosion. The annular plate typically rests on a crushed stone or concrete ring wall, and joins the highly stressed shell of the tank to the bottom plates. The bottom plates are for the most part supported by the tank pad or foundation, and are lowly stressed.
Annular lesions are extremely common and striking in appearance but can also be misleading. The term âannularâ stems from the Latin word âannulus,â meaning ringed. 1 The lesions appear as circular or ovoid macules or patches with an erythematous periphery and central clearing.he condition is considered benign and is characterized by smooth, skin-colored annular plaques and papules. 1 The lesions are usually found on the hands, feet, wrists and ankles but can potentially occur anywhere on the body.