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- Polycyclic aromatic compounds which are widespread in water, soil and atmosphere are harmful to human health. 摘要多环芳香化合物广泛分布于水体、土壤和大气中,对人类的健康造成了严重的危害。
- As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound. 异氰基化合物进一步二聚成二苯基碳化二亚胺,后者又聚合生成含氮杂环的多环芳烃。
- polycyclic aromatic compounds 多环芳烃
- This arc is made up primarily of organic compounds called polycyclic aromatic hydrocarbons, which glow on the surface of the cloud. 这个弧形主要由稠环芳烃构成,这些有机化合物在云雾区域的表面发光。
- AROMATIC COMPOUNDS: Structure and Reactions. 28芳香化合物:结构和反应。
- Through quantitative determination, the compounds with concentrations above WHO permitted values were l,2-di-chloroethane and PAH (polycyclic aromatic hydrocarbon) . 定量测定结果超过WHO允许值的有1,2-二氯乙烷及多环芳烃。
- Humic acids are usually regarded as polymers of aromatic compounds. 腐殖酸通常被看作是芳烃化合物的聚合物。
- Direct alkoxylation of aromatic compounds is virtually unknown. 事实上还不知道芳香族化合物的直接烷氧基化的方法。
- Polycyclic aromatic hydrocarbons are a group of ubiquitous pollutants. 摘要多环芳烃是一类普遍存在的环境污染物。
- It was revealed by GC/MS measurements that alkanes, fatty acids and polycyclic aromatic hydrocarbons (PAHs) are of the major classes of organic pollutants as extractable and identifiable compounds. GC/MS定性分析表明,颗粒物有机物可抽提部分中,可分析识别的主要种类有正构烷烃、脂肪酸、多环芳烃等。
- Refreshing pickled food, appetizers, so many people like to eat, but pickled foods contain more nitrosamines and polycyclic aromatic hydrocarbons compounds, which are both carcinogenic substances. 腌制食物爽口、开胃,所以许多人喜欢食之,但是腌制食物中含有较多的亚硝胺和多环芳香烃化合物,这是两种致癌物质。
- On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust. 在地球上,可以在烤土司和汽车尾气中找到多环芳烃。
- Incense is burnt in many Chinese homes and polycyclic aromatic hydrocarbons have been recovered from incense smoke. 很多中国人家里点香,香的烟中已经发现有多环芳香族碳氢化合物。
- Nitrated Polycyclic aromatic hydrocarbons are a class of important pollutants with direct mutagenicity. 硝基多环芳烃是一类重要的具有直接致突变性的环境污染物。
- The polycyclic aromatic hydrocarbons(PAHs) in soil have serious latent danger to our human health. 土壤中的多环芳烃对人体健康具有潜在的危害。
- Fat drippings create smoke that is filled with carcinogenic polycyclic aromatic hydrocarbons, or PAHs. 烧烤时滴落的脂肪会产生充满多环芳烃(PAH)的烧烤烟。
- The analytical methods of polycyclic aromatic hydrocarbons(PAHs) in different samples,e.g. 介绍了环境样品(水和土壤)以及植物油中痕量多环芳烃的分析检测方法。
- Charcoal-grilled foods contain a comparatively higher level of Polycyclic Aromatic Hydrocarbons(PAHs). 碳烧食物所含的多环芳香族碳氢化合物通常相对较高。
- Results: Some sorts of perchlorinated polycyclic aromatic hydrocarbon and methylsilsesquixane were synthesized. 合成得到了全氯化多环芳烃和硅倍半氧烷。
- The Study on Polycyclic Aromatic Hydrocarbons in Barbecued Meat is reported to the LegCo Panel on Food Safety and Environmental Hygiene. 向立法会食物安全及环境衞生事务委员会汇报有关烧烤肉类含多环芳香族碳氢化合物的研究结果。