Mostrando 981 - 1,000 Resultados de 334,646 Para Buscar '"electrón"', tiempo de consulta: 0.88s Limitar resultados
  1. 981
  2. 982
    por Sharma, A
    Publicado 1999
    “…Detection of single photoelectrons from internal photocathodes using a Gas Electron Multiplier is investigated with the help of a simulation. results indicate that full efficiency may be obtained with a two step amplification process.…”
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  3. 983
    “…The research has the goal to study theoretically and experimentally a possibility of electron beam space neutralization and formation of a stable and intense neutralized electron beam (NEB). (4 refs).…”
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  4. 984
  5. 985
  6. 986
  7. 987
  8. 988
  9. 989
  10. 990
    “…The design and function of an electron mobility spectrometer (EMS) including a thick gas electron multiplier (THGEM) is presented. …”
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  11. 991
    “…We have developed a Glass Gas Electron Multiplier (Glass GEM, G-GEM), which is composed of two copper electrodes separated by a photosensitive etchable glass substrate having holes arranged in a hexagonal pattern. …”
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  12. 992
    por Mayer, James M.
    Publicado 2023
    “…[Image: see text] This Perspective argues that most redox reactions of materials at an interface with a protic solution involve net proton-coupled electron transfer (PCET) (or other cation-coupled ET). …”
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    Online Artículo Texto
  13. 993
    “…Double electronelectron resonance (DEER) is a pulse electron paramagnetic resonance (EPR) technique that measures distances between paramagnetic centres. …”
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  14. 994
    “…Brittle fracture of a covalent material is ultimately governed by the strength of the electronic bonds. Recently, attempts have been made to alter the mechanical properties including fracture strength by excess electron/hole doping. …”
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  15. 995
    por LeFurgey, A, Ingram, P
    Publicado 1990
    “…This paper presents a broad survey of the rationale for electron probe X-ray microanalysis (EPXMA) and the various methods for obtaining qualitative and quantitative information on the distribution and amount of elements, particularly calcium, in cryopreserved cells and tissues. …”
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  16. 996
    “…Tissues incubated with strontium had electron-opaque mitochondrial granules and deposits in the sarcoplasmic reticulum. …”
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  17. 997
    por Hofer, Thomas S.
    Publicado 2013
    “…A systematic investigation of three different electronelectron entanglement measures, namely the von Neumann, the linear and the occupation number entropy at full configuration interaction level has been performed for the four helium-like systems hydride, helium, Li(+) and Be(2+) using a large number of different basis sets. …”
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  18. 998
    “…The aim of the present overview article is to raise awareness of an essential aspect that is usually not accounted for in the modelling of electron transport for focused-electron-beam-induced deposition (FEBID) of nanostructures: Surface excitations are on the one hand responsible for a sizeable fraction of the intensity in reflection-electron-energy-loss spectra for primary electron energies of up to a few kiloelectronvolts and, on the other hand, they play a key role in the emission of secondary electrons from solids, regardless of the primary energy. …”
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  19. 999
    por Greig, S. R., Elezzabi, A. Y.
    Publicado 2016
    “…We present a method for the generation of high kinetic energy attosecond electron packets via magnetostatic and aperture filtering of conical surface plasmon (SP) accelerated electrons. …”
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  20. 1000
    “…The charge of the electron can be determined by simply placing a known number of electrons on one electrode of a capacitor and measuring the voltage, V(s), across the capacitor. …”
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