- mass calibration
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1) поверка гирь2) точное определение массы; точное взвешивание гирь
Англо-русский словарь технических терминов. 2005.
mass calibration
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Mass spectrometry — (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… … Wikipedia
Mass flow meter — A mass flow meter A mass flow meter, also known as an inertial flow meter is a device that measures mass flow rate of a fluid traveling through a tube. The mass flow rate is the mass of the fluid traveling past a fixed point per unit time. The… … Wikipedia
Calibration curve — In analytical chemistry, a calibration curve is a general method for determining the concentration of a substance in an unknown sample by comparing the unknown to a set of standard samples of known concentration.The calibration curve is a plot of … Wikipedia
Inductively coupled plasma mass spectrometry — ICP MS Instrument Acronym ICP MS Classification Mass spectrometry Analytes atomic and polyatomic species in plasma, with exceptions; usually inte … Wikipedia
Absolute molar mass — is a process to determine the characteristics of molecules. TOC History The first absolute measurements (i.e. made without reference to standards) were based on fundamental physical characteristics and their relation to the molar mass. The most… … Wikipedia
Proton transfer reaction - mass spectrometry — (PTR MS) is a very sensitive technique for online monitoring of volatile organic compounds (VOCs) in ambient air developed by scientists at the Institut für Ionenphysik at the Leopold Franzens University in Innsbruck, Austria [A. Hansel, A.… … Wikipedia
Audio Engineering Society, Coarse-groove Calibration Discs — Libraries and archives around the world have collections of many thousands of coarse groove mechanical audio recordings, phonograph or gramophone records, largely 78s or 78 rpm discs. This is a substantial recorded heritage of mankind s music and … 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
Molar mass distribution — In linear polymers the individual polymer chains rarely have exactly the same degree of polymerization and molar mass, and there is always a distribution around an average value. The molar mass distribution (or molecular weight distribution) in a … Wikipedia
Selected ion flow tube mass spectrometry — is a sensitive and quantitative mass spectrometry technique for trace gas analyses using chemical ionisation of sample trace gases by selected positive ions during a well defined time period along a flow tube. Absolute concentrations of trace… … Wikipedia
Radiocarbon dating — (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon 14 (14C) to estimate the age of carbon bearing materials up to about 58,000 to 62,000 years.[1] Raw, i.e. uncalibrated … Wikipedia
