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vapor transmission rate

См. также в других словарях:

  • Moisture vapor transmission rate — (MVTR), also water vapor transmission rate (WVTR), is a measure of the passage of water vapor through a substance. There are many industries where moisture control is critical. Moisture sensitive foods and pharmeceuticals are put in packaging… …   Wikipedia

  • Moisture Vapor Transmission Rate — Die Moisture Vapor Transmission Rate (kurz MVTR) ist ein Messwert der Atmungsaktivität von Funktionstextilien. Zur Ermittlung des MVTR Wertes wird die Wassermenge, die in 24 Stunden durch einen Quadratmeter Textil verdunstet, gemessen. Der MVTR… …   Deutsch Wikipedia

  • Oxygen transmission rate — (OTR) is the measurement of the amount of oxygen gas that passes through a substance over a given period. It is mostly carried out on non porous materials, where the mode of transport is diffusion, but there are a growing number of applications… …   Wikipedia

  • Carbon dioxide transmission rate — (COTR) is the measurement of the amount of carbon dioxide gas that passes through a substance over a given period. It is mostly carried out on non porous materials, where the mode of transport is diffusion, but there are a growing number of… …   Wikipedia

  • Vapor barrier — 6 mil Polyethylene plastic sheet as vapor barrier between insulation and gypsum board …   Wikipedia

  • Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …   Wikipedia

  • Permeation — Permeation, in physics and engineering, is the penetration of a permeate (such as a liquid, gas, or vapor) through a solid, and is related to a material s intrinsic permeability. Permeability is tested by permeation measurement, for example by a… …   Wikipedia

  • Package testing — Military shipping container being drop tested Testing …   Wikipedia

  • WVTR — Water Vapor Transmission Rate (Academic & Science » Ocean Science) Water Vapor Transmission Rate (Academic & Science » Meteorology) Water Vapor Transmission Rate (Academic & Science » Chemistry) …   Abbreviations dictionary

  • WVTRA — Water Vapor Transmission Rate Analyzer (Academic & Science » Chemistry) Water Vapor Transmission Rate Analyzer (Academic & Science » Meteorology) Water Vapor Transmission Rate Analyzer (Academic & Science » Ocean Science) …   Abbreviations dictionary

  • Shelf life — This pack of diced pork says display until 7 May and use by 8 May …   Wikipedia

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