cyclotron excitation

  • 31Enriched uranium — Proportions of uranium 238 (blue) and uranium 235 (red) found naturally versus enriched grades Enriched uranium is a kind of uranium in which the percent composition of uranium 235 has been increased through the process of isotope separation.… …

    Wikipedia

  • 32Plasma source — Plasma sources generate plasmas. Excitation of a plasma requires partial ionization of neutral atoms and/or molecules of a medium. There are several ways to cause ionization:collisions of energetic particles, strong electric fields acting on bond …

    Wikipedia

  • 33SOLIDES (PHYSIQUE DES) — Ce qui différencie à première vue un solide des autres états de la matière (gaz, liquides, plasmas), c’est la résistance qu’il oppose à des forces mécaniques, sa tendance à garder un volume constant. De tout temps on s’est servi de cette… …

    Encyclopédie Universelle

  • 34Molecular imaging — originated from the field of radiopharmacology due to the need to better understand the fundamental molecular pathways inside organisms in a noninvasive manner. Contents 1 …

    Wikipedia

  • 35M. Salimullah — Professor M. Salimullah, born on January 5, 1949 at Dhaka, Bangladesh, is Dean, Faculty of Physical and Mathematical Sciences and Chairman of Department of Physics in Jahangirnagar University, Bangladesh. passed B.Sc.(Hons) and M.Sc.(Thesis) in… …

    Wikipedia

  • 36geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …

    Universalium

  • 37Lawrencium — (pronEng|ləˈrɛnsiəm) is a radioactive synthetic element with the symbol Lr (formerly Lw) and atomic number 103.Its most stable known isotope is 262Lr, with a half life of approximately 3.6 hours. Little is known of the chemistry but there is… …

    Wikipedia

  • 38Matière radioactive — Radioactivité Pour les articles homonymes, voir Radio. Symbole signalant une source de rayons ionisants, ☢. La radioactivité, phénomène qui fut dé …

    Wikipédia en Français

  • 39Radio-actif — Radioactivité Pour les articles homonymes, voir Radio. Symbole signalant une source de rayons ionisants, ☢. La radioactivité, phénomène qui fut dé …

    Wikipédia en Français

  • 40Radio-activité — Radioactivité Pour les articles homonymes, voir Radio. Symbole signalant une source de rayons ionisants, ☢. La radioactivité, phénomène qui fut dé …

    Wikipédia en Français