substitution of benzene compound 取代苯化合物
benzene series compound 苯系化合物
separate benzene nuclei compound 非稠合芳烃化合物
benzene soluble organic compound 苯溶性有机化合物
It is concluded that this method with good separating effect and high sensitivity is an idea one to detect the benzene compound in free air.
该方法分离效果好，灵敏度高，是测定大气中苯系物的理想方法。
Benzene, a chemical compound refined from crude oil, was found to cause leukemia in 1928 by two Italian doctors who detected the cancer in a worker exposed to benzene for five years.
苯是原油中提炼出来的化学合成物，1928年两个意大利医生检测到一名工人因长达五年的时间里暴露在苯环境中而患有癌症，他们发现苯可引发白血病。
"This is the first report that exposure to ethyl benzene, a compound present in crude oil, was associated with CHD," McCarver said, noting that more studies are needed to confirm the link.
Mc Carver说道，“这是对接触乙苯(原油中的一种化合物)与引发冠心病有关的第一份研究报告。”而事实上已不需要更多的研究来确认它们存在联系了。
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