以庚烷磺酸钠为离子对试剂，建立了同时测定头发中尼古丁和可天宁含量的反相离子对高效液相色谱方法。
A reversed phase ion-pair high performance liquid chromatographic method was developed for the simultaneous determination of nicotine and cotinine in human hair.
布鲁宁将他的长寿归因于过去35年来一天只吃两餐。
Breuning attributed his long life to eating only two meals a day for the past 35 years.
大约在这一天的中午，詹宁斯太太独自出门办事去了。
About the middle of the day, Mrs. Jennings went out by herself on business.
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