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Disintegrations per minute (dpm) and disintegrations per second (dps) are measures of the activity of the source of radioactivity. The SI unit of radioactivity, the becquerel (Bq), is equivalent to one disintegration per second.
In process improvement efforts, defects per million opportunities or DPMO (or nonconformities per million opportunities (NPMO)) is a measure of process performance.It is defined as
Specific activity (symbol a) is the activity per unit mass of a radionuclide and is a physical property of that radionuclide. [1] [2] It is usually given in units of becquerel per kilogram (Bq/kg), but another commonly used unit of specific activity is the curie per gram (Ci/g).
If the upper and lower specification limits of the process are USL and LSL, the target process mean is T, the estimated mean of the process is ^ and the estimated variability of the process (expressed as a standard deviation) is ^, then commonly accepted process capability indices include:
The DR-DP-Matrix summarizes the main methods to measure delivery reliability (DR) and delivery performance (DP) within supply chains. It categorizes the methods by three criteria:
DPM. a variant of the Soviet Degtyaryov machine gun; Detroit People Mover, an automated people mover system; Democratic Party of Macedonians (Demokratska partija Makedonaca), a political party in Serbia; Disappearing Positive Methodology, in the McLaren Report; Direct part marking, permanently marking parts with product information
Delivery performance (DP) is a broadly used standard KPI measurement in supply chains to measure the fulfillment of a customer's demand to the wish date. [1] Following the nomenclature of the DR-DP-Matrix three main approaches to measure DP can be distinguished:
Dose area product (DAP) is a quantity used in assessing the radiation risk from diagnostic X-ray radiography examinations and interventional procedures, like angiography.It is defined as the absorbed dose multiplied by the area irradiated, expressed in gray-centimetres squared (Gy·cm 2 [1] – sometimes the prefixed units dGy·cm 2, mGy·cm 2 or cGy·cm 2 are also used). [2]