Science, Volume 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 348
... sample incorporated in the feedback loop of the excitation oscil- lator . The reference sample and the analytical sample are located adjacent to each other and are excited by the same radio - frequency and modulation fields . The magnet ...
... sample incorporated in the feedback loop of the excitation oscil- lator . The reference sample and the analytical sample are located adjacent to each other and are excited by the same radio - frequency and modulation fields . The magnet ...
Page 34
... sample . In the newer commercial instruments the pulse length and repetition rate are easily varied , and this provides a convenient means of selecting a wide range of exposures . A series of graded exposures for a given sample is ...
... sample . In the newer commercial instruments the pulse length and repetition rate are easily varied , and this provides a convenient means of selecting a wide range of exposures . A series of graded exposures for a given sample is ...
Page
... sample , one can obtain reliable samples . However , the number of impurities and matrices that are of interest is so great that the preparation of standard samples , even with radioactive tracers , is a formidable undertaking . graphic ...
... sample , one can obtain reliable samples . However , the number of impurities and matrices that are of interest is so great that the preparation of standard samples , even with radioactive tracers , is a formidable undertaking . graphic ...
Contents
Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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AAAS activity American amino acid analysis animals areas arginine Association Atomic BAUSCH & LOMB Big Science biological blood brain Calif cells Chem chemical Chemistry concentration Conf congr crystals culture curve Department Dept dose drug effect electron ence energy enzyme experiments Exptl factors Fermi Fermi surface field fluorescence Fraunhofer lines frequency gene genetic guanidine Illus imipramine increase infected Institute instrument International Laboratory lignin material measure Medical melanocytes ment mice molecules National nuclear nucleic acid observed organic percent phenobarbital phonons physical Physiol pipettes plants poliovirus present problem produced protein radiation radio range References and Notes resistance Russian sample Science scientific scientists serum Service card shikimic acid signal space specific surface temperature theory thiamine tion tissue transferrin trehalose tritium ture United Univ University virus volume Washington x-ray York