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permeability index

См. также в других словарях:

  • Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …   Wikipedia

  • Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… …   Wikipedia

  • Varying Permeability Model — The Variable Permeability Model or VPM is an algorithm that is used to calculate the decompression stops needed for a particular dive profile. It was developed by D.E. Yount and others for use in professional diving and recreational diving. It… …   Wikipedia

  • Коэффициент проницаемости породы — ► permeability index Коэффициент проницаемости породы, характеризующий пропускную способность сухой породы в отношении любой однородной жидкости или газа в условиях вязкого потока, не должен зависеть от природы пропускаемой через породу жидкости… …   Нефтегазовая микроэнциклопедия

  • PI — Abbreviation for Periodontal Index. * * * class I protein; first meiotic prophase; isoelectric point; pacing impulse; package insert; pain intensity; pancreatic insufficiency; parainfluenza; pars intermedia; patient s interest; performance… …   Medical dictionary

  • Pi — Symbol for inorganic orthophosphate (should not be used when covalently linked to another moiety). Abbreviation for inorganic phosphate. * * * class I protein; first meiotic prophase; isoelectric point; pacing impulse; package insert; pain… …   Medical dictionary

  • pI — The pH value for the isoelectric point of a given substance. * * * class I protein; first meiotic prophase; isoelectric point; pacing impulse; package insert; pain intensity; pancreatic insufficiency; parainfluenza; pars intermedia; patient s… …   Medical dictionary

  • pi — 1. The 16th letter of the Greek alphabet. 2. (Π). Symbol for osmotic pressure; in mathematics, symbol for the product of a series. 3. (π). Symbol for the ratio of the circumference of a circle to its diameter (appro …   Medical dictionary

  • PI — • class I protein; • first meiotic prophase; • isoelectric point; • pacing impulse; • package insert; • pain intensity; • pancreatic insufficiency; • parainfluenza; • pars intermedia; • patient s interest; • performance indicator or index; •… …   Dictionary of medical acronyms & abbreviations

  • Metamaterial — Negative index metamaterial array configuration, which was constructed of copper split ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions …   Wikipedia

  • Photonic metamaterial — Electromagnetism Electricity · …   Wikipedia

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