infrared absorption

  • 51Polaron — A polaron is a quasiparticle composed of a charge and its accompanying polarization field. A slow moving electron in a dielectric crystal, interacting with lattice ions through long range forces will permanently be surrounded by a region of… …

    Wikipedia

  • 52Total 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

  • 53Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …

    Wikipedia

  • 54Carbonyl — In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double bonded to an oxygen atom : C=O. The term carbonyl can also refer to carbon monoxide as a ligand in an inorganic or organometallic complex (a metal… …

    Wikipedia

  • 55Solid oxygen — is also used colloquially to refer to oxidizers such as perchlorates, chlorates, or iodine pentoxide from which oxygen can be produced. Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F).… …

    Wikipedia

  • 56spectrochemical analysis — Any of a group of chemical analysis methods that depend on measurement of the wavelength and intensity of electromagnetic radiation. It is used chiefly to determine the arrangement of atoms and electrons in molecules on the basis of the amounts… …

    Universalium

  • 57Electromagnetic spectrum — The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation frequencies. [cite web|url=http://imagine.gsfc.nasa.gov/docs/dict ei.html#em spectrum|title=Imagine the Universe! Dictionary] The electromagnetic spectrum… …

    Wikipedia

  • 58Carbonado — Carbonado, commonly known as the Black Diamond, is a natural polycrystalline diamond found in alluvial deposits in the Central African Republic and Brazil. Its natural colour is black or dark grey, and it is more porous than other diamonds.… …

    Wikipedia

  • 59Джордж Клод Пайментел — Дата рождения: 2 мая 1922(1922 05 02) Место рождения: Фресно, Калифорния, США Дата смерти …

    Википедия

  • 60Nanoparticle — In nanotechnology, a particle is defined as a small object that behaves as a whole unit in terms of its transport and properties. Particles are further classified according to size[1] : in terms of diameter, coarse particles cover a range… …

    Wikipedia