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pahs 英'pəz美'pəz COCA⁹⁹¹²³BNC¹¹⁴⁰²⁴⁺⁵ 基本例句 polycyclic aromatic hydrocarbons 多环芳香烃原型pah的复数 After sampling,13 PAHs in the samples of coal combustion were determined by GC/MS. 笔者测定了民用燃煤烟尘和工业燃煤烟尘中13种多环芳烃的组成。 cnki The good news, Perera said, is that levels of PAHs are declining in New York City. 佩雷拉说好消息是纽约市的多环芳烃含量正在减少。 yeeyan The acclimatization ways of PAHs- degrading microorganisms are also introduced. 介绍了多环芳烃降解微生物的驯化方式; chemyq The optimum conditions of solubilization and desorption of PAHs by rhamnolipids were investigated. 研究了鼠李糖脂对多环芳烃增溶及脱附的各种最佳条件。 cnki There is no evidence that the PAHs affected her daughter’s IQ. 没有证据证明多环芳烃对她女儿的智力产生了影响。 yeeyan According to some estimates, 300,000 people die annually in China from heart disease and lung cancer associated with air pollution, including PAHs. 根据一些估测,中国每年因空气污染,包括环芳烃污染,罹患心脏病和肺癌而死亡的人数有30万。 yeeyan Also, PAHs may affect the fetus’ DNA directly. 多环芳烃同样对胎儿的 DNA产生直接影响。 yeeyan Besides, the chemical structure, C/H value, and volatile matters of the coal all have direct effect on the distribution of PAHs. 直接影响煤中多环芳烃分布的因素还有煤的化学结构,煤的挥发份含量和煤的C/H比值。 cnki China emits the most PAHs of any country in the world, followed by India and the United States. 中国是世界上排放环芳烃最多的国家,印度和美国紧随其后。 yeeyan In Krakow, the women on average were exposed to eight times higher concentrations of PAHs than the women in New York City. 在克拉科夫,女人们所处的环境多环芳烃含量比纽约的高8倍。 yeeyan In urban areas motor vehicles are a major source of PAHs. 在城市地区机动车辆是多环芳烃的主要来源。 yeeyan Infrared observations indicate that this nebula may contain complex carbon molecules known as PAHs. 红外观测器还发现这个星云可能含有叫作多环芳烃的复杂碳分子。 yeeyan Lanphear said PAHs, lead, mercury, tobacco smoke are systemic poisons that can damage multiple organ systems. 拉菲尔说多环芳烃导致水银,烟草成为全身性的毒药能破坏多个器官系统。 yeeyan Scientists know that many chemicals including PAHs can cross the placenta, but they don’t understand how they may interfere with a fetus’ developing brain. 科学家知道许多化学物质包括多环芳烃能通过胎盘,但是他们不理解的是这些物质是如何渗入到胎儿发育的大脑中的。 yeeyan She does not know whether her exposure to PAHs during the pregnancy was classified as high or low. 她不知道在怀孕期他是处在多环芳烃含量高还是低的环境中的。 yeeyan The method is sensitive, accurate and suitable for the determination of PAHs in cigarette ash. 该法灵敏、准确,适合于烟灰等食品中多环芳烃含量的测定。 cnki The study in this paper was focused on the emission and control of PAHs from coal burning, which was generally thought as one of key components of air pollution. 本文将对煤燃烧过程多环芳烃生成机理和高温控制进行研究,并得到了一些有价值的结论。 cnki The distribution of seven kinds of PAHs in different kinds of China's coal was studied. 本文对七种多环芳烃在五种不同煤中的分布进行了初步研究。 cnki The isolation and identification methods of PAHs- degrading microorganisms are reviewed. 阐述了降解多环芳烃的微生物的分离和鉴定方法; chemyq The mothers wore personal air monitors during pregnancy to measure exposure to PAHs and they responded to questionnaires. 研究中的母亲在怀孕期间带上个人空气检测器来检测她们说接触到的多环芳烃的浓度,并接受问卷调查。 yeeyan To study how a cigarette's contents impact human DNA, Hecht and his team used12 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。 yeeyan PAHs are in car or bus exhaust and emissions from residential heating and power generation. 多环芳烃来自于汽车尾气以及住宅供暖和发电的排放。 yeeyan PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco. 多环芳烃是由煤炭、柴油、石油和汽油的燃烧释放出来的,或者如烟草这样的有机物。 yeeyan |