نتایج جستجو برای: heavy ions
تعداد نتایج: 251645 فیلتر نتایج به سال:
A new development direction towards ultimate heavy ion beam intensities is being pursued at GSI for FAIR. So far, most of the heavy ion synchrotrons have been operated with high charge state heavy ions. In order to reach intensities of more than 10/U-ions per cycle [1, 2], SIS18 and SIS100 must be operated with intermediate charge state ions [3, 4]. Such a high intensity operation with intermed...
The delta-ray theory of track structure, applied earlier to such 1-or-more hit detection systems as the inactivation of dry enzymes and viruses, the NaI(Tl) scintillation counter, and nuclear emulsion, is extended to the silver activated phosphate glass dosimeter, the LiF thermoluminescent dosimeter, the creation of free radicals in solid biological substances, solid and liquid organic scintill...
Electron loss and capture processes arising in collisions of heavy low-charged ions with atoms and ions are the main charge-changing reactions in heavy-ion driven inertial fusion (HIDIF) [1]. However, at present time, virtually no experimental and theoretical data are available for removal processes involving fast heavy low-charged ions. In this work, the projectile-ionization (stripping) cross...
Excessive amounts of heavy metals adversely affect plant growth and development. Whereas some regions naturally contain high levels of heavy metals, anthropogenic release of heavy metals into the environment continuously increases soil contamination. The presence of elevated levels of heavy metal ions triggers a wide range of cellular responses including changes in gene expression and synthesis...
Background: Removal of heavy metal ions from contaminated systems by agricultural and fruit and vegetable processing waste materials is an innovative and auspicious technology .The current study was designed for utilization of bio-adsorption white hard eggshell, as less expensive and much frequently available food waste materials, due to prospective metal bio-sorption capacity to toxic heavy me...
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