Science, Том 218John Michels (Journalist) American Association for the Advancement of Science, 1982 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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Стр. 247
... mass spectra obtained by different methods are fundamentally similar . Desorption ionization techniques have been used to obtain mass spectra of biomolecules , including peptides , antibiotics , and oligosaccharides , for which ...
... mass spectra obtained by different methods are fundamentally similar . Desorption ionization techniques have been used to obtain mass spectra of biomolecules , including peptides , antibiotics , and oligosaccharides , for which ...
Стр. 254
... mass 25,800 and biologically active peptides to mass 5700 , and it gives molecular ions of such highly polar or labile organic compounds as glycosphingolipids and polyene antibiotics . It can be especial- ly valuable in determining the ...
... mass 25,800 and biologically active peptides to mass 5700 , and it gives molecular ions of such highly polar or labile organic compounds as glycosphingolipids and polyene antibiotics . It can be especial- ly valuable in determining the ...
Стр. 256
... mass spectrometry . Computerized data reduction can be employed ( 49 ) with masses calibrated against standards such as perfluorokerosene , trisperfluorohep- tyltriazine , trisperfluorononyltriazine , or Fomblin . For high masses ...
... mass spectrometry . Computerized data reduction can be employed ( 49 ) with masses calibrated against standards such as perfluorokerosene , trisperfluorohep- tyltriazine , trisperfluorononyltriazine , or Fomblin . For high masses ...
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