gas permeation

  • 1gas permeation unit — (GPU)    a CGS unit of gas permeance for membranes, contact lenses, and similar thin materials. Permeance is defined to be the gas flow rate through the material, per unit of area and per unit of pressure difference across the material. The unit… …

    Dictionary of units of measurement

  • 2Permeation — 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

  • 3Permeation — Unter Permeation (lateinisch permeare – durchdringen, durchlaufen, durchwandern) versteht man den Vorgang, bei dem ein Stoff (Permeat) einen Festkörper durchdringt oder durchwandert. Die Triebkraft ist ein Konzentrations oder Druckgradient.… …

    Deutsch Wikipedia

  • 4Plantas de procesamiento del gas natural — Saltar a navegación, búsqueda El endulzamiento del gas se hace con el fin de eliminar el H2S y el CO2 del gas natural. Como se sabe el H2S y el CO2 son gases que pueden estar presentes en el gas natural y pueden en algunos casos, especialmente el …

    Wikipedia Español

  • 5Vacuum deposition — Not to be confused with Vacuum coating. Vacuum deposition is a family of processes used to deposit layers atom by atom or molecule by molecule at sub atmospheric pressure (vacuum) on a solid surface. The layers may be as thin as one atom to… …

    Wikipedia

  • 6Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… …

    Wikipedia

  • 7Cold fusion — This article is about the Fleischmann–Pons claims of nuclear fusion at room temperature. For the original use of the term cold fusion , see Muon catalyzed fusion. For all other definitions, see Cold fusion (disambiguation). Diagram of an open… …

    Wikipedia

  • 8Ion track technology (introduction) — Intro   Tasks   Materials &#160 …

    Wikipedia

  • 9Mica — For other uses, see Mica (disambiguation). Rock with mica …

    Wikipedia

  • 10Polycarbonate — Repeating chemical structure unit of Polycarbonate made from bisphenol A Ph …

    Wikipedia