نتایج جستجو برای: heavy ions

تعداد نتایج: 251645  

Carbon nanotubes (CNTs) are a novel material that exhibits good adsorption behavior toward various toxic pollutants in aqueous solution. These adsorbents have a fast adsorption rate and high adsorption efficiency, efficient to remove various pollutants and they are easy to recover and reuse. These features highlight the suitability of CNTs for the treatment of water polluted with heavy metal io...

2000
C. A. Bertulani

The validity of a delta-function approximation for the electromagnetic interaction of relativistic heavy ions is investigated. The production of e+e− pairs, with electron capture, is used as a test of the approximation. The production of ee in peripheral collisions of relativistic heavy ions has attracted a great amount of theoretical interest due to its non-perturbative character. The calculat...

2003
R. J. Fries B. Müller

We give a brief overview of our current theoretical understanding of ultrarelativistic heavy ion collision and the properties of super-hot nuclear matter. We focus on several issues that have been discussed in connection with experimental results from the CERN SPS and from the Relativistic Heavy Ion Collider RHIC. We give an extrapolation of our current knowledge to LHC energies and ask which p...

Journal: :Biosensors & bioelectronics 2001
D A Blake R M Jones R C Blake A R Pavlov I A Darwish H Yu

Competitive immunoassays for Cd(II), Co(II), Pb(II) and U(VI) were developed using identical reagents in two different assay formats, a competitive microwell format and an immunosensor format with the KinExA 3000. Four different monoclonal antibodies specific for complexes of EDTA-Cd(II), DTPA-Co(II), 2,9-dicarboxyl-1,10-phenanthroline-U(VI), or cyclohexyl-DTPA-Pb(II) were incubated with the ap...

2001
S. Klein

We report the first observation of exclusive ρ production in ultra-peripheral collisions at RHIC. The ρ are produced electromagnetically at large impact parameters where no hadronic interactions occur. The produced ρ have a small perpendicular momentum, consistent with production that is coherent on both the photon emitting and scattering nuclei. We observe both exclusive ρ production, and ρ pr...

Massoumeh Parinejad Mohammad Reza Yaftian, Samira Jafari

Keep in mind the importance of cadmium, cobalt and nickel ions as environmentally and economically strategic heavy metals, the application of two acidic extractants, named bis(2-diethylhexyl)phosphoric acid (DEHPA) and 2-thenoyltrifluoroacetone (HTTA), was assessed for the extraction-recovery of these ions from leached solution of spent rechargeable Ni-Cd batteries. The conditions for leach...

2006
M. V. Ricciardi S. Lukić A. Kelić K.-H. Schmidt M. Veselsky

The construction of two new-generation complementary RIB facilities in Europe, one based on the in-flight fragmentation or fission (IFF) method (FAIR) and the other on the isotope separation online (ISOL) method (EURISOL) is expected in the next 10-15 years. The reaction mechanisms, responsible for the production of the secondary nuclei, along with the technical constrains, have to be considere...

2017
D. Fick D. FICK

The development of the field since the Osaka conference is desribed c nce tra 'ng entirely on experiments with polarized ion beams presently available g i 9 , 1 1 ( L , L , Na). Their internal structure is sufficiently different to demonstrate the richness of the field. Main topics are: Coulomb scattering of aligned projectiles which deliver new information on dynamical electric mu1 tipole mome...

2001
M. GIORGINI

We present experimental results on fragmentation charge-changing cross sections of 158 A GeV lead ions (charge Z = 82e) incident on Cu and CR39 targets. To detect and identify the relativistic ions, the nuclear track detector CR39 was used. When an ion crosses a nuclear track detector foil, it produces damages at the level of molecular bonds, forming the so called “latent track”. During the che...

1994
Richard J. Mathar Matthias Posselt

One of the most fruitful theories in the field of the electronic energy loss of heavy ions in solids is the concept of effective charge theory. The familiar results have hitherto been based on the restricted target model of the homogeneous electron gas. The major part of the target characterization is added in form of experimental proton data, using the ‘heavy ion scaling rule.’ On the other ha...

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