- internal excitation
- внутреннее возбуждение
English-russian dictionary of physics. 2013.
internal excitation
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Internal conversion (chemistry) — Internal conversion is a transition in from a higher to a lower electronic state in a molecule. It is sometimes called radiationless de excitation , because no photons are emitted. It differs from intersystem crossing in that, while both are… … Wikipedia
Internal conversion — This article is about the nuclear process. For the chemical process, see Internal conversion (chemistry). Internal conversion is a radioactive decay process where an excited nucleus interacts with an electron in one of the lower atomic orbitals,… … Wikipedia
Collisional excitation — is a process in which the translational energy of a collision partner is converted into the internal energy of a reactant species. Astronomy In astronomy, collisional excitation gives rise to spectral lines in the spectra of astronomical objects… … Wikipedia
Two-photon excitation microscopy — is a fluorescence imaging technique that allows imaging of living tissue up to a very high depth, that is up to about one millimeter. Being a special variant of the multiphoton fluorescence microscope, it uses red shifted excitation light which… … Wikipedia
Total internal reflection fluorescence microscope — (TIRFM) diagram 1. Specimen 2. Evanescent wave range 3. Cover slip 4. Immersion oil 5. Objective 6. Emission beam (signal) 7. Excitation beam ] 1. Objective 2. Emission beam (signal) 3. Immersion oil 4. Cover slip 5. Specimen 6. Evanescent wave… … Wikipedia
Impulse excitation technique — PracticalThe impulse excitation technique is a nondestructive test method that uses natural frequency, dimensions and mass of a test piece to determine Young s modulus, Shear modulus, Poisson s ratio and damping coefficient.Dimensions and mass of … Wikipedia
nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… … Universalium
Thermographic inspection — refers to the nondestructive testing of parts, materials or systems through the imaging of the thermal patterns at the object s surface. Strictly speaking, the term thermography alone, refers to all thermographic inspection techniques regardless… … Wikipedia
Induced gamma emission — In physics, induced gamma emission (IGE) refers to the process of fluorescent emission of gamma rays from excited nuclei, usually involving a specific nuclear isomer. It is analogous to conventional fluorescence, which is defined to be the… … Wikipedia
X-ray spectroscopy — is a gathering name for several spectroscopic techniques for determining the electronic structure of materials by using x ray excitation. X ray emission spectroscopy Karl Manne Georg Siegbahn from Uppsala, Sweden (Nobel Prize 1924), who… … Wikipedia
ionosphere and magnetosphere — ▪ atmospheric science Introduction regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… … Universalium
