benzene hydrocarbons
英 [ˈbenziːn ˌhaɪdrəʊˈkɑːbənz]
美 [ˈbenziːn ˌhaɪdroʊˈkɑrbənz]
苯系烃
双语例句
- Of, relating to, or containing one or more six-carbon rings characteristic of the benzene series and related organic groups. Synthesis and Chemiluminescence Study of Symmetrically Phenylethynyl Substituted Fused Aromatic Hydrocarbons
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含对称苯乙炔基稠环芳烃化合物的合成及化学发光研究 - It was found that contents of benzene insoluble and asphaltene materials in tars from rapid pyrolysis are higher, the lower hydrocarbons in aliphatic subfraction and dimethyl naphthalene in aromatic subfraction are higher as well.
发现快速热解焦油中苯不溶物、沥青烯含量较高；在焦油的油馏份内脂肪族亚馏份中的低碳烃含量较高，芳烃亚馏份中萘、二甲基萘含量较高。 - The results showed that 332 kinds of pollutants including benzene homologues, hydrocarbons, polycyclic aromatic hydrocarbons, organic acids, alkali, ester, aldehydes, ketones and heterocyclic compounds have been detected.
结果表明，共检出332种污染物质，包括苯系物、脂肪烃、多环芳烃、有机醇、酮、胺、酯、羧酸及杂环化合物等。 - There exists a problem of lower percentage of oxidization to the organic matters of benzene and aromatic hydrocarbons when we determine the COD by the method of potassium dichromate titration.
重铬酸钾法测定COD时，一般存在着该法对苯及其芳烃类的有机物氧化率偏低的问题。 - Comparison of biodegradation of benzene hydrocarbons gas with mixed culture from petrifaction sludge and white-rot fungi
石化污泥混合菌和白腐真菌对气相苯系物的降解能力比较 - The degradation properties of polystyrene in supercritical benzene, toluene, ethylbenzene and p-xylene were studied between 340~ 370 ℃ using a quick process. Benzene hydrocarbons are the fine solvents of polystyrene.
在高压间歇反应器中，温度340~370℃，以苯、甲苯、乙苯和对二甲苯为超临界溶剂研究了聚苯乙烯（PS）的降解特性。 - The concentrations of benzene, toluene, ethylbenzene and total xylenes were monitored in January, 1998 and July 1998 in the air of Changchun City. The results showed that the concentrations of aromatic hydrocarbons were higher in winter and lower in summer.
于1998年冬、夏两季对长春市空气中苯、甲苯、乙苯及二甲苯进行短期监测，结果表明，长春市空气中几种苯系物浓度冬季较高，夏季较低； - Determination of trace benzene hydrocarbons in groundwater by gas chromatography
地下水中苯系化合物的气相色谱快速测定 - The authors have also studied the difference of VOCs concentration, starting-point, degradation rate and the degree for benzene hydrocarbons with mixed culture from the petrifaction sludge.
比较了石化污泥菌源微生物对苯系物代谢过程在耐受化合物浓度、降解起动期、降解速率以及降解程度等方面的差异。 - Total decontamination ratios of benzene, toluene and total aromatic hydrocarbons ( TBETX) in the coarse sand is 32.06%, 21.39% and 27.13%, respectively;
粗砂对苯、甲苯和单环芳烃总量（TBETX）总净化率分别为32.06%、21.39%和27.13%； - ℃. BTX-aromatics, including benzene, toluene, styrene and xylenes, were the main aromatic hydrocarbons in the pyrolytic naphtha.
轻质单环芳烃苯、甲苯、乙苯和二甲苯等为其中的主要芳烃。 - The fraction washed down by benzene ( C_2) mainly contains alkyl-substituted aromatic hydrocarbons and polyphenols;
苯洗脱馏分（C2）主要由单环烷基芳烃和多酚组成； - Specific research results were as follows: 1 From two kinds of soybean root secretion, we detected, acid and glycol esters, phenol, hydrocarbon, benzene, amides, naphthalene, aldehydes and ketones material and other hydrocarbons derivatives.
具体研究结果如下：1.两种大豆根系分泌物都检测出醇、酸、烃、酯、酚、苯、酰胺、萘、醛、酮类物质以及其他烃类衍生物。 - The main components of the tar from sludge air gasification are composed of benzene and its compounds, polycyclic aromatic hydrocarbons, olefins and nitrogen-containing compounds, etc. Among the tar components, phenol and naphthalene are of the highest concentrations, about half of the total content.
污泥空气气化焦油主要成分包括苯及其化合物、多环芳烃、烯烃、含氮化合物等，其中苯酚和萘含量最高，大约共占总含量的一半。 - Small amounts of benzene, halogenated hydrocarbons, naphthalene, dimethyl disulfide, ethyl acetate and other components were detected.
检测发现，尾气中含有微量的苯系物，卤代烃，萘，二甲基二硫，乙酸乙酯等物质。 - Organic compounds containing two or more of the benzene ring linked to a class of compounds known as polycyclic aromatic hydrocarbons ( PAHs).
多环芳烃（polycyclicaromatichydrocarbons，简称PAHs）是一类含有两个或两个以上的苯环以稠环的形式连接一起形成的一类有机化合物，它是苯及苯系物的衍生物。 - PAHs refer to the presence of two molecules or two above benzene hydrocarbons, such as naphthalene, anthracene and pyrene and benzo ( a) pyrene and other.
多环芳烃是指分子中含有2个或2个以上苯环的碳氢化合物，如萘、蒽、芘和苯并[a]芘等。 - The influence of reaction temperature, pressure, benzene/ propylene ratio, space velocity and other factors on the alkylation reaction of hydrocarbons to optimize reaction conditions.
考察反应温度、压力、苯/丙烯比、空速等因素对烷基化反应的影响，优化反应工艺条件。