与国内其他海域相比，胶州湾北部近岸水域中挥发性酚的含量较低。
Volatile phenol concentrations in the north water area of Jiaozhou Bay were relatively low, compared with other internal sea areas in China.
挥发性酚含量年际变化趋势为1998 ~ 2000年呈上升趋势，2000 ~ 2005年呈下降趋势。
The annual variation of volatile phenol concentrations presented rising trend from 1998 to 2000, and downtrend from 2000 to 2005.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
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