作者: Hans Joachim Schuck
DOI: 10.1016/S0367-2530(17)31863-7
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摘要: Summary The intraindividual variation of the amount and composition needle waxes Picca abies has been investigated. wax was correlated with age exposition branches from which needles were collected. In hydrocarbon fraction percentage single components or paraffin groups also varies exposition. some paraffins there exists defined differences between 8amples collected in upper parts a crown those lower parts. Tho chain length major comp:ment influenced by same parameters.