primary measurement

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• Primary production — For other uses, see Primary production (economics). Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary production potential,… …   Wikipedia

• Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… …   Wikipedia

• Measurement while drilling — Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …   Wikipedia

• measurement system — Introduction       any of the systems used in the process of associating numbers with physical quantities and phenomena (metrology). Although the concept of weights and measures (measurement) today includes such factors as temperature, luminosity …   Universalium

• Primary flight display — A primary flight display or PFD is a modern aircraft instrument dedicated to flight information. Much like multi function displays, primary flight displays are built around an LCD or CRT display device. Representations of older six pack or steam… …   Wikipedia

• Primary Guidance, Navigation and Control System — Das Primary Guidance, Navigation and Control System (PGNCS (ausgesprochen: pings)) war das unabhängige inertiale Navigationssystem der Apollo Raumfahrzeuge. Es ermöglichte den Apollo Raumfahrzeugen die Durchführung ihrer Operationen bei… …   Deutsch Wikipedia

• Primary FRCA — The Primary FRCA is more fully called the Primary Examination of the Diploma of Fellowship of the Royal College of Anaesthetists.cite web|title=Overseas Doctors Guide|url=http://www.papworth anaesthesia.org/spr/overseas.htm|accessdate=2008 06 16] …   Wikipedia

• Primary Atomic Reference Clock in Space — The Primary Atomic Reference Clock in Space or PARCS is an atomic clock mission once scheduled to fly on the International Space Station (ISS) in 2008, but cancelled to make way for the Vision for Space Exploration.[1] The mission, to have been… …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• Performance measurement — with a process is the complement to process execution. Based on measured performance, the feedback control loop may be closed. The metrics to assess performance is set according to a determined econometric model. The expected best result is… …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia