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- An analytical method of headspace-GC for the determination of volatile benzene series compounds suchas benzene, toluene,ethyl benzene, xylene in oilfield water sample was studied. 对顶空-气相色谱法分析油田水中的笨、甲笨等挥发性笨系物的方法进行了研究,讨论了平衡时间、气/液体积比、水中含盐量等因素对测定的影响。
- volatile benzene series compounds 挥发性苯系物
- Analysis of Volatile Benzene Series Compounds in Oilfield Water Sample by Headspace-gas Chromatography 顶空-气相色谱法自动分析油田水中苯系物
- Analysis of Volatile Benzene Series Compounds in Water Sample by Headspace-Gas Chromatography 顶空-气相色谱法分析水中的挥发性苯系物
- Investigation of Indoor Air Pollution of Benzene Series Compounds in Constructional Ornamental Materials Sale Stores 装修材料销售场所室内空气苯系物污染状况调查
- Experimental Research on Aerobiosis Biology Degradation of Benzene Series Compound 苯系化合物好氧生物降解性实验研究
- Keywords benzene series compound;biological degradation;aerobiosis biology degradation; 苯系化合物;生物降解性;好氧生物降解;
- Benzene series compounds 苯系物
- The results show that 60 romatic compounds exist in indoors air, which include 48 benzene series and 12 others aromatic compounds, the inspection rates of 23 are exceeding 50%. 结果表明:杭州市居室空气中共存在60种芳香族化合物,其中苯系化合物48种,非苯芳香族化合物12种,检出率大于50%25的23种;
- 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。
- Of, relating to, or containing one or more six-carbon rings characteristic of the benzene series and related organic groups. 芳香物族化合物有关或含有一个或多个苯环的烃及其衍生物
- As for HA series compounds,IHT barrier is linear to the change of H-bond length orO-H bond length. ( 3 )HA模型化合物的IHT势垒与氧氢键键长变化和氢键键长变化呈良好的线性关系 .
- OBJECTIVE To establish a method for detecting benzene series from macro-reticular resin in Peristrophe roxburghiana extraction. 目的检测红丝线提取物中大孔树脂残留物的量。
- Carbon tetrachloride (CTC) as an ozone depleting substance (ODS) and a feedstock of Freon series compounds has been phased out. 摘要四氯化破作为氟里昂的生产原料和一种破坏臭氧层物质面临淘汰。
- And Lianyungang Plant is located in Guanyun Port Industrial Park, Jiangsu which is now under construction, and main products will be heterocyclic chemicals and benzene series. 依靠公司研发团体的不懈努力,已经具备了氟产品和吡啶、嘧啶类中间体的研发的特色技术和能力,并且能够为国内外广大客户提供定制合成服务。
- Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds. 通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
- Carbon tetrachloride(CTC) as an ozone depleting substance(ODS) and a feedstock of Freon series compounds has been phased out. 四氯化碳作为氟里昂的生产原料和一种破坏臭氧层物质面临淘汰。
- The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants. 在样品中检测到角鲨烯,表明这一地区存在生物甲烷合成和细菌作用,具有生成油气及天然气水合物可能性。
- The reaction mechanism, method of synthesis and property testing of polyoxypropylene series compounds as shrinkage reducing agents in cement concrete are introduced in this paper. 介绍了聚环氧丙烷类高抗收缩剂的收缩机理和制备方法,并且对其进行了抗压强度及抗拉强度的性能测试。