It is shown that the waste gas containing low concentration of benzene hydrocarbon can be purified efficiently with active carbon.
研究表明：使用活性炭可以有效地净化低浓度苯类废气。
By adjusting the two flow rates (controlled by a flow controller), the concentration of benzene in the reactant was adjusted to be 0.6? 3.5 vol %.
通过调整两种流率(由流量控制器控制)，对苯的反应物浓度调整为0.6 - 3.5%，第二卷。
The conclusion was that zeolite was better to adsorpt low concentration of formaldehyde and toluene and activated carbon was better to adsorpt low concentration of benzene.
结果显示分子筛吸收低浓度的甲醛和甲苯性能较好，而活性炭吸收低浓度的苯性能较好。
The influences of contact area of catalyst with reactant catalyst area, catalyst dosage and initial concentration of benzene on the benzene photocatalytic oxidation reaction were investigated.
考察了催化剂与反应物的接触面积，催化剂用量和苯的初始浓度对苯光催化氧化反应的影响。
Results DNA damage of bone marrow cells increased with the increase of benzene concentration and time of treatment.
结果随苯染毒浓度的增加，染毒时间的延长，骨髓细胞DNA迁移率和迁移度增加。
Objective To study the effects of low concentration benzene on lipid peroxidation and mutagenicity in mice.
目的探讨低浓度苯对小鼠过氧化损伤及致突变作用。
Conclusions It suggested that low concentration benzene results in hazards of histopathological system and could develop lipid peroxidation and mutagenicity.
结论低浓度苯可引起小鼠造血系统损伤、过氧化损伤及致突变作用。
The health of the woman workers who exposed to low concentration mixed benzene and of their toddlers (18 pairs) was investigated. It was also compared with that of control group (18 pairs).
本文调查低浓度混苯作业女工及其幼儿共18对的健康情况，与对照组18对出较。
Methods Expert-reference, BAYES statistics and expert-measurement were separately used to estimate benzene concentration in a slurry-applying workshop and modeling workshop of a rubber factory.
方法用专家-参考文献法、BAYES统计推断法、专家-测量资料法分别估算了某橡胶厂搪浆车间、成型车间空气中苯的浓度。
The effect of low benzene concentration for the organism has been noticed along with the advanced study on the toxicology, metabolic kinetics etc of benzene.
随着对苯的毒理、代谢动力学等领域研究的深入，低浓度苯对机体的影响已引起注意。
In this paper the effects of benzene concentration, superficial velocity and the temperature of cooling medium...
还讨论了苯浓度，表观气速及冷却液温度对床层热点的位置与数值的影响。
Methods The serum concentration of IL-6 and TNF were measured in workers with different benzene exposure period, and were compared by white blo od cell count.
方法用放射免疫法，对不同工龄的苯作业工人血清中il - 6、TNF浓度进行检测，并同白细胞变化进行对照比较。
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。
Conclusion: the property of resin is good when the brine's concentration is 30%, the degree of crosslinking is 14%, methyl benzene as diluent is 0.1.
结论：盐溶液浓度约为30%，交联刺14%，致孔剂甲苯为单体的0.1倍时，所得树脂性能良好。
In this investigation, the health of the Woman workers who expo - sed to low concentration benzene mixture and their infants (18 pairs) Was observed and compared with control group (18 pairs).
本文调查低浓度混苯作业女工及其幼儿共18对的健康情况，与对照组18对比较。
Since urinary S-phenylmercapturic acid concentration could be well related to benzene exposure, it could be a sensitive and specific biomarker of low-level benzene exposure.
尿中苯巯基尿酸（SPMA）与苯接触存在良好相关性，是低浓度苯接触特异和敏感的生物标志物。
Objective To investigate the relationship of childhood asthma and concentration of formaldehyde, benzene, ammonia.
目的分析室内甲醛、苯、氨浓度与儿童哮喘关系。
Objective To investigate the relationship of childhood asthma and concentration of formaldehyde, benzene, ammonia.
目的分析室内甲醛、苯、氨浓度与儿童哮喘关系。
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