To study how a cigarette's contents impact human DNA, Hecht and his team used 12 volunteers to track PAHs, or polycyclic aromatic hydrocarbons, which are pollutants found in tobacco smoke.
为了研究香烟中的成分是怎样影响人类DNA的，赫克特和他的研究小组对12名志愿者进行了 PAH，即多环芳烃追踪。
Polycyclic aromatic hydrocarbons (PAHs), such as those found in ALH 84001, are not generally regarded as being diagnostic of life.
在84001上发现的一些物质，比如，多芳环烃一般不在被认为是生命的产物。
Pollutants in cigarettes called PAHs (polycyclic aromatic hydrocarbons) can cause genetic damage in minutes.
香烟中的污染物质PAHs(多环芳香烃)会在几分钟内对基因造成损害。
The reversed phase chromatographic performance of the new packing material was investigated with some polycyclic aromatic hydrocarbons (PAHs) as solutes.
以稠环芳烃为探针，考察了烷基膦酸改性锆镁复合氧化物材料的反相色谱性能。
Objective To analyze the content of polycyclic aromatic hydrocarbons (PAHs) in mainstream smoke of 20 brands of Chinese cigarette.
目的检测20种主要国产品牌香烟主流烟雾中多环芳烃与焦油含量，并分析其是否有相关关系。
This paper reports mathematical methods of extended bay region theory for carcinogenic mechanism of polycyclic aromatic hydrocarbons(PAHs).
本文报导多环芳烃广义湾区致癌理论的数学方法。
In the 2003 Chinese Arctic Research Expedition (CHINARE 2003) aboard the Xuelong, ocean air samples were collected to analyze gaseous polycyclic aromatic hydrocarbons (PAHs).
2003年“雪龙号”北极科学考察期间，对沿途海洋大气进行采样，分析其中气相多环芳烃的空间分布。
Conclusion Polycyclic aromatic hydrocarbons (PAHs) has a strong genetic toxic effect and can cause P21 level increase in earlier stage among occupational workers.
结论多环芳烃类混合物具有较强的遗传毒性，可使职业工人在早期接触阶段出现P 2 1的高表达。
P4501A1 enzyme can activate polycyclic aromatic hydrocarbons(PAHs), HgBr 2 and CdSO 4 may decrease the enzyme activity and interfere with the carcinogenesis of PAHs.
P4501A1酶能激活多环芳烃，溴化汞和硫酸镉可通过降低P4501A1酶活性干扰多环芳烃的致癌作用。
Polycyclic aromatic hydrocarbons (PAHs) detected in drinking water do harm to human health.
饮用水中存在的多环芳烃对人类的身体健康会产生危害。
The influencing factors on the accumulation and transportation of PAHs (polycyclic aromatic hydrocarbons) in road dust from Shanghai city were systematically discussed.
以上海市为例，探讨了城市中心城区地表灰尘中多环芳烃(PAHs)累积与迁移过程的影响因素。
The influencing factors on the accumulation and transportation of PAHs (polycyclic aromatic hydrocarbons) in road dust from Shanghai city were systematically discussed.
以上海市为例，探讨了城市中心城区地表灰尘中多环芳烃(PAHs)累积与迁移过程的影响因素。
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