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芘是多环芳烃的一个代表性化合物。Pyrene is a representative compound among PAH.

总共有140名儿童被分为多环芳烃的高接触者。A total of 140 children were classified as having high PAH exposure.

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一位虔诚的年老妇女从邻省出发，开始她的朝圣之旅。A devout elderly lady from a nearby province came on a pilgrimage to Wat Pah Pong.

而缺氧性肺血管收缩及小动脉机化是其主要病理变化。The main pathological changes of PAH are vasoconstriction and arteriole organization afterward.

研究人员开发了数种模型来计算出出生前多环芳烃得接触与智商之间的关系。The researchers developed models to calculate the associations between prenatal PAH exposure and IQ.

本研究旨在调查内皮bmpr2删除是否预先遭受PAH。The present study was designed to investigate whether endothelial Bmpr2 deletion can predispose to PAH.

肾功能不全与更差的血液动力学相关，在肺动脉高压患者中肾功能不全是独立的死亡预测因素。Renal dysfunction is associated with a worse hemodynamic profile and is an independent predictor of mortality in PAH.

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在为期3周的注射周期中，每只接受注射的小鼠的PAH给药总量相当于25包香烟。The total amount of PAH given to each mouse over the three-week injection cycle was equivalent to 25 packs of cigarettes.

结果表明，样品溶液的荧光转换效率与激发光波长有十分密切的关系，而这种关系又强烈依赖于所用溶剂。The results show that the optimum excitation wavelength and the FCE may be very different for the same PAH but in different solvate.

研究表明“在中国的大城市，控制机动车排放是减少由于暴露在环芳烃环境下而导致的吸入性肺癌的关键。”"Controlling vehicle emissions is key to reducing the inhalation cancer risks due to PAH exposure in Chinese megacities, " the study said.

事实上，我们从不可逆肺高压患者的肺活检标本中观察到受损内皮细胞的凋亡调控。Indeed, we recently observed impaired apoptotic regulation of endothelial cells in lung biopsy samples from patients with irreversible PAH.

沥青是一种高粘度、黑色、粘稠混合的有机液体，完全溶于二硫化碳和主要是高度浓缩多环芳烃组成。Bitumen is a kind of black, thick viscous and blend organic liquid, completely melt in carbon disulfide, mainly organized by high enriched PAH.

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虽然内皮细胞已被怀疑为PAH的发病机理的细胞起源，但并没有清楚的直接的在体证据。Although endothelial cells have been suspected as the cellular origin of PAH pathogenesis, no direct in vivo evidence has been clearly presented.

幸运的是，可以通过现有的控制方法、替代能源和政策干预来减少在空气中运动的多环芳烃。Fortunately, airborne PAH concentrations can be reduced through currently available controls, alternative energy sources and policy interventions.

肺动脉压力经典的测量方法是通过右心导管检查术，肺动脉高压其诊断的金标准也是有创性右心导管检查法。The classic measurement of the pressure of pulmonary artery is by cardiac catheter of right heart, and the gold standard of PAH is also this method.

本研究中小鼠在末次注射PAH之后两周怀孕，相当于女性的三个月经周期。The mice in the current study conceived up to two weeks after their final PAH injection, which is approximately equivalent to three menstrual cycles in women.

但芳香二萜类，大多数常规多环芳烃仅以微量形式存在。Secondary in abundance are aromatic sester and sesquiterpenoid hydrocarbons, but aromatic diterpenoids, most of the regular PAH are found at trace levels only.

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预防职业性癌症将测定尿中芘的主要代谢物1-羟基芘作为接触多环芳烃的生物监测指标。In the prevention of occupational cancer. 1-Hydroxypyrene, the main metabolite of PAH in urine, was taken as a biological monitoring index for workers exposed to PAH.

制备食品时的烟熏和直接干燥工序在燃烧过程中形成的部分多环芳烃可能是人类致癌物。Parts of PAH are possible human carcinogens formed during the combustion of fuel both in the smoking and in the direct drying processes involved in the preparation of food.

本文详细介绍了用高效液相色谱测定烟炱中的多环芳烃的方法和前处理，及有关色谱条件的选择等因素。This paper introduced the way to determine PAH in smoke black by HPLC, and other elements such as the procedure of pretreatment, the choice of relative chromatogram conditions.