Whenever there is a comparison of GDPs amongst the countries, Purchasing Power Parity (PPP) concept is very vital to understand. Gross domestic Product (GDP) represents an accounting of the total value of all final goods and services produced in a geographic region over a specific period of time, usually one year.
From Wikipedia, the free encyclopedia. A globally unique identifier (GUID, /ËÉ¡aÉªd/ or /ËÉ¡uËÉªd/) is a unique reference number used as an identifier in computer software. The term GUID typically refers to various implementations of the universally unique identifier (UUID) standard.
Keywords: SOP Instance UID, SOP Instance, Unique Identifier, UID, ANSI, Object Instance. An SOP Class is defined as a combination of one or more DICOM Service Elements, which are commands, and an Object, which is defined by an Information Object Definition (IOD). In DICOM, a SOP Instance (e.g. a specific CT image) is the instance of the Class, e.g. a CT Image IOD. Unique Identifiers (UIDs) are used to identify everything in DICOM, from the SOP classes to the individual objects.