应用热分析技术对多环芳烃化合物催化氧化反应过程中催化剂初活性进行评价。
The application of thermal analysis on the evaluation the catalyst activity in the deep oxidation of polyaromatic compounds was investigated.
研究对象的香烟中添加了一种多环芳烃化合物,该物质进入人体后被转化为另一种破坏dna的致癌化学物质。
A PAH was added to the subject's cigarettes, which was then modified by the body and turned into another chemical which damages DNA and has been linked with cancer.
结果表明,粉尘有机提取物及其有机酸、多环芳烃、极性化合物可使微核率和SCE率显著增高,并有一定的剂量-反应关系。
The results showed that the dust organic extraction and its polycyclic aromatic hydrocarbons, organic acids, polar compounds increased micronucleus and SCE frequency significantly with a dose effect.
芘是多环芳烃的一个代表性化合物。
根据脂肪烃、多卤联苯、卤代苯和稠环芳烃等80种非极性有机化合物在鱼体中生物富集因子(BCF)的实测数据,建立了有机物在鱼体中生物富集因子的片段常数法估算模型。
Relationship between bioconcentration factor and fragment constants was investigated. A prediction model was developed on the basis of the observed BCF values of 80 non-polar organic compounds.
结果显示,气相中主要是2—4环的多环芳烃,其中菲为主要的化合物,平均占到总多环芳烃的55.1%。
Only 2—4 ring PAHs were detected in gas phase, and phenanthrene was the most abundant with an average of 55.1% in total PAHs.
在环境监测方面如测定土壤、植物中农药残留量、多环芳烃等致癌物以及在生化药品制备及检测方面,尤其是在强碱性化合物测定上具有极大的优势。
In prospect of future, the packing materials will be a power tool in detection of pesticide residues in soil and plants, poly-aromatic hydrocarbons in environment as well as pharmaceutics industry.
结论煤焦油加工生产过程中产生的主要职业危害因素为苯系物、多环芳烃、。酚类化合物,以及生产过程中使用的煤气中的一氧化碳等。
Conclusions in the coal tar processing, the harmful factors are the series of benzene, polycyclic aromatic hydrocarbon, phenolics and co which is used in the process of production.
结论煤焦油加工生产过程中产生的主要职业危害因素为苯系物、多环芳烃、。酚类化合物,以及生产过程中使用的煤气中的一氧化碳等。
Conclusions in the coal tar processing, the harmful factors are the series of benzene, polycyclic aromatic hydrocarbon, phenolics and co which is used in the process of production.
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