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pro vyhledávání: '"Stan O. Sigle"'
Publikováno v:
Fuel. 59:166-174
High-boiling (535–675 °C) distillate fractions of Wilmington (Calif. USA) and Gach Saran (Iran) crude oils were separated into saturate, monoaromatic, diaromatic and polyaromatic-polar fractions by passage through a silica-gel—alumina dual packe
Publikováno v:
Analytical Chemistry. 51:1886-1888
Accumulation of a large number of standard size plots of NMR spectra can cause storage problems. A process has been developed to cause direct reduction of the spectra size by modifications of the control circuit of a Varian XL-100 spectrophotometer.