Science: v.1-v.219Moses King, 1968 |
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Стр. 896
... determination of the con- centration of iron , total reduced sulfur , and total oxidized sulfur . Iron was determined by atomic absorption spec- trometry . Reduced sulfur was precipi- tated as ZnS and iron sulfide in alkaline medium ...
... determination of the con- centration of iron , total reduced sulfur , and total oxidized sulfur . Iron was determined by atomic absorption spec- trometry . Reduced sulfur was precipi- tated as ZnS and iron sulfide in alkaline medium ...
Стр. 1343
... determined by NMR spectroscopy in liquid crystal solvents and by microwave spectroscopy . Method of the NM NMR spectroscopy * Microwave spectroscopy + solve nolec an MED hich CH3CN CH3OH 109 ° 2 ′ + 2 ' 109 ° 16 ' 110 ° 3 ' 8 ' 109 ° 2 ...
... determined by NMR spectroscopy in liquid crystal solvents and by microwave spectroscopy . Method of the NM NMR spectroscopy * Microwave spectroscopy + solve nolec an MED hich CH3CN CH3OH 109 ° 2 ′ + 2 ' 109 ° 16 ' 110 ° 3 ' 8 ' 109 ° 2 ...
Стр. 1344
... determined for cyclopropane , cyclobutane , and bicy- clobutane differ in a systematic way from those determined by electron diffraction : our C - H bonds are too long relative to our C - C bonds . Two aspects of molecular vibrations ...
... determined for cyclopropane , cyclobutane , and bicy- clobutane differ in a systematic way from those determined by electron diffraction : our C - H bonds are too long relative to our C - C bonds . Two aspects of molecular vibrations ...
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