Benzene and benzene series have also been who identified as carcinogens.
苯和苯系列也已经被世界卫生组织确定为致癌物质。
By comprehensive analysis, it offers some advice on treat benzene series hazards in this enterprise in future.
通过综合分析，对今后该企业化验岗位苯系物危害因素治理提出了建议。
Products such as methane chloride, gourmet powder, sorbierite, rutile, freon and benzene series were mostly produced in the east plant compound.
东厂区主要生产甲烷氯化物、味精、山梨醇、金红石、氟里昂和苯系物等产品。
This article analyses the reasons of the indoors air pollution production and brings up the pollution mainly consists of formaldehyde, benzene series, ammonia and radon.
文章通过对室内空气污染物成因的分析，指出目前室内空气主要污染物为甲醛、苯系物、氨和氡。
The results showed the exposure surface of planets decreased by coating treatment, so the concentration of formaldehyde and benzene series in air reduced and were lower than the standard value.
结果表明，经覆盖处理后，木制板材表面暴露面积减少，使甲醛、苯系物在空气中平衡浓度降低，低于一定标准。
Objective To establish a limit test of benzene-series residues in the total-saponins of separated and purified by macro reticular resin Panax quinque folium L.
目的建立大孔树脂分离纯化西洋参总皂苷的苯系残留限量检查方法。
This paper studied the injection weight method, which introduced the preparation of food additives series gas standard materials of benzene in carbon dioxide.
研究了注射重量法制备食品添加剂二氧化碳中苯系列气体标准物质的实验方法。
A series of Ni-based catalysts with different supports were prepared by impregnation method and tested in the hydroxylation of benzene to phenol.
本文利用浸渍法制备了一系列不同载体的镍基催化剂，并将其用于苯的羟基化反应。
The influence of solar radiation on evaporation behavior of benzene, toluene and ethanol is researched through a series of evaporation experiments.
通过蒸发实验，考察了太阳辐射对液体苯、甲苯和乙醇蒸发行为的影响。
Two series of chemical bonded polymers of polyethylene glycol and aliphatic ether based on macroporous styrene-divinyl-benzene polymer have been prepared.
以大孔聚苯乙烯-二乙烯苯为基质，制备了两个系列化学键合聚乙二醇和脂肪醚聚合物小球固定相。
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.
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。
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