نتایج جستجو برای: nuclear chemistry
تعداد نتایج: 343716 فیلتر نتایج به سال:
(B) Multi-elemental analysis by X-ray fluorescence. (use in Art, Archeology and environmental science)(1 week). The advent of inexpensive high-resolution X-ray spectrometers based on thermoelectrically cooled Si-PIN diodes has opened the possibility of many innovative experiments in analytical chemistry with many applications in art and archeology, environmental monitoring, nuclear medicine, to...
The paper deals with the implications of shift reagents in organic chemistry in several broad areas. First, the relative binding affinities of common functional groups to shift reagents are considered, and it is shown that such knowledge aids the analysis of the shifted spectra of polyfunctional molecules and (by extension of the principles involved) isotopically substituted molecules. Secondly...
Compostos de coordenação do elemento radioativo tecnécio são empregados para diagnóstico em medicina nuclear, sendo vários complexos do nuclídeo emissor de radiação γ Tc usados rotineiramente na obtenção de imagens de órgãos. As tendências modernas da química radiofarmacêutica concentram-se na marcação de moléculas biologicamente ativas tais como peptídeos, esteróides ou outras espécies com rec...
The chemical shielding is the most familiar and universal parameter in the field of nuclear magnetic resonance (NMR). It may be calculated or measured experimentally; it may be studied by gas phase, liquid phase, or solid phase NMR, as well as by quantum mechanical methods. This chapter will introduce NMR both from a theoretical and an experimental standpoint, and quantum theory. The following ...
J. Sarek1,2, M. Kvasnica3, M. Vlk2,4, M. Urban5, P. Dzubak6 and M. Hajduch6 1Dept. of Org. Chem., IMTM, Faculty of Sciences, Palacky University, Olomouc, 2Betulinines – Chemical group, Stribrna Skalice, 3IOCB, Academy of Sciences, Prague, 4Dept. of Nuclear Chemistry, Faculty of Nuclear Sciences and Physical Engineering, CTU, Prague, 5Dept. of Chem. and Bioch., Univ. of Colorado at Boulder, Colo...
1 Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China, 2 Center of Nanomaterials for Renewable Energy, State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an, China, 3 Institute of Nuclear Physics and C...
Jeongmook Lee a , Jandee Kim a , Young-Sang Youn a , Jong-Goo Kim a , Yeong-Keong Ha a and Jong-Yun Kim a,b * a Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong-gu, Daejeon, 34057, Republic of Korea b Radiochemistry & Nuclear Nonproliferation, University of Science & Technology, Gajeong-ro 217, Yuseong-gu, Daejeon, 34113, Republic of Ko...
Mishra S1,2, Sahoo SK1*, Arae H1, Watanabe Y1 and Mietelski JW3 1Project for Environmental Dynamics and Radiation Effects, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan 2Environmental Monitoring and Assessment Section, Bhabha Atomic Research Centre, Mumbai, Trombay – 400 085, India 3Department of Nuclear Physical Chemistry, The Henryk Niewodniczansk...
Otto-Hahn-Institut, MPI für Chemie, Universität Mainz, 55128 Mainz, Germany Institut für Kernchemie, Universität Mainz, 55128 Mainz, Germany Dept. of Chemistry and Biochemistry, University of Maryland College Park, MD 20742 USA Physics Division, Argonne National Laboratory, Argonne, IL 60432 USA National Superconducting Cyclotron Laboratory, Michigan State University East Lansing, MI 48824 USA ...
This article is both an essay to propose social chemistry as a new scientific discipline, and a preface of the book Environmental Chemistry for a Sustainable World. Environmental chemistry is a fast emerging discipline aiming at the understanding the fate of pollutants in ecosystems and at designing novel processes that are safe for ecosystems. Past pollution should be cleaned,future pollution ...
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