نتایج جستجو برای: nuclear chemistry
تعداد نتایج: 343716 فیلتر نتایج به سال:
Benjamin H. Rotstein,†,‡ Serge Zaretsky,† Vishal Rai,†,§ and Andrei K. Yudin*,† †Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario Canada, M5S 3H6 ‡Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, and Department of Radiology, Harvard Medical School, 55 Fruit Street, Boston, Massachusetts 021...
In this research at the first Metoprolol drug and its fullerene derivative were optimized. Natural bond orbital (NBO), nuclear Indepndent chemical shift (NICS) and finally IR calculations, for these compounds were carried out at the B3LYP/6-31G* quantum chemistry level. Different parameters such as energy levels, the amount of chemical shift in different atoms, the amount of HOMO/LUMO, chemical...
Background: Ewing sarcoma family tumors (ESFTs) are among the most malignant tumors in children and young adults. ESFTs include Ewing sarcoma (ES) and peripheral primitive neuroectodermal tumors (pPNETs). As there seemed to be few studies on the molecular biology of ESFTs, we investigated the frequency of CD99, Ki67, p53 and Fli- 1 protein expression in 15 Iranian patients with ESFTs. In addi...
R. Krejci , J. Ström, M. de Reus , and W. Sahle * Institute of Applied Environmental Research, Air Pollution Laboratory, Frescativägen 52-54, 106 91 Stockholm, Sweden Department of Meteorology, Stockholm University, 106 91 Stockholm, Sweden Max Planck Institute for Chemistry, Department of Air Chemistry, P. O. Box 3060, 55020 Mainz, Germany National Institute of Working Life, 171 84 Solna, Swed...
equilibrium processes still pose a severe challenge to their theoretical description; thus, the realistic modelling of the fission process is far from being achieved at present times. This is a particular problem at low excitation energies, where the influence of nuclear structure is responsible for individual features, which are specific for each fissionning system. Thus, it is important to st...
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