殖酸通常被看作是芳烃化合物的聚合物。
Humic acids are usually regarded as polymers of aromatic compounds.
该模型可用于解释卤代芳烃化合物还原脱卤的机理。
The model can be used to explain the dehalogenation mechanism.
化学不变性差的非稠环芳烃、混环芳烃化合物含量减小。
Meanwhile, there is a low content of compound in unthickened polynuclear aromatic hydrocarbon (PAH) and pah mix which both are poor in chemical stability.
应用热分析技术对多环芳烃化合物催化氧化反应过程中催化剂初活性进行评价。
The application of thermal analysis on the evaluation the catalyst activity in the deep oxidation of polyaromatic compounds was investigated.
N2O5作为一种优良的硝化剂，已被广泛应用于各种芳烃化合物的硝化反应中。
As a good nitrating agent, N2O5 has been widely used in the nitration of aromatic compounds.
有机含硫芳烃化合物（PASH）性质稳定，不易降解，毒性极强，具有潜在的危害特征。
The polycyclic aromatic sulfur heterocycles (PASH) in the environment is characteristic as the stable nature, not easy to be degraded, strong toxic and potential danger.
芳烃和杂环芳烃化合物的碳碳键生成反应一直是有机化学和有机金属化学研究领域中的主要课题。
Carbon-carbon bond forming reactions of arenes and heteroarenes are always the major topics in organic chemistry and organometallic chemistry.
在离体实验条件下，测定了14种硝基芳烃化合物对鲤鱼肝脏过氧化氢酶的半抑制浓度ec50值。
EC50 values of 14 nitroaromatic compounds to the enzymic activity of catalase of carp liver were measured in vitro.
研究对象的香烟中添加了一种多环芳烃化合物，该物质进入人体后被转化为另一种破坏dna的致癌化学物质。
A PAH was added to the subject's cigarettes, which was then modified by the body and turned into another chemical which damages DNA and has been linked with cancer.
用顶空萃取法对水中低级芳烃化合物进行了萃取实验，考察了此高聚物涂层的热稳定性及单体比例与萃取率的关系。 收藏。
The thermal stability of the polymer coating and the relationship between the styrene ratio and the extraction efficiency were investigated.
芳烃是环状碳氢化合物，如苯，甲苯和二甲苯。
The aromatics are ringed hydrocarbons, such as benzene, toluene and xylene. Benzene is used to make polystyrenes e.g.
芳基类异戊二烯化合物被认为是高盐和强还原沉积环境中沉积有机质芳烃馏分中的特征性生物标志物。
Aryl isoprenoid compounds in the aromatic fraction of sedimentary organic matter have been regarded as a biomarker that indicates a saline and strongly reducing sedimentary environment.
高有机硫煤是一种十分特殊的煤种，其特点之一是抽提物芳烃馏分中含丰富的含硫化合物。
High organosulfur coal (HOSC) is very special in that it is rich in sulfur containing compounds (SCC) in aromatic fraction of extract.
杯芳烃作为继环糊精、冠醚之后的第三代大环类主体化合物，对金属离子具有较强的选择性萃取作用。
Calixarene is a kind of respecting host macrocyclic compound followed cyclodextrin and crown ether, and has strong ability of selective extraction of metal ions.
结果表明，粉尘有机提取物及其有机酸、多环芳烃、极性化合物可使微核率和SCE率显著增高，并有一定的剂量-反应关系。
The results showed that the dust organic extraction and its polycyclic aromatic hydrocarbons, organic acids, polar compounds increased micronucleus and SCE frequency significantly with a dose effect.
芘是多环芳烃的一个代表性化合物。
分离后对芳烃组分中的含硫化合物进行氧化，脱硫率达72%。
After enriched separation, the sulfur_containing compounds were oxidized with 72% sulfur removal rate in aromatics group.
苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。
Aniline point is used to characterize pure hydrocarbons and to indicate the aromatic content of hydrocarbon mixtures.
对这些化合物的紫外光谱研究表明，在非极性溶剂中，在相对高浓度中，杯芳烃衍生物以聚合体形式存在。
The studies on the UV spectra showed that the calixarenes exist in agglomeration form in non polarity solution in relatively high concentration.
结果表明，炼油厂生化曝气池对酚类及芳烃类化合物的去除效果较好，而长链脂肪烃的去除率相对较低；
The results showed that the removal efficiencies of phenols and aromatic compounds are high, whereas those of aliphatic hydrocarbons are low by the biochemical aeration process in the refinery.
根据脂肪烃、多卤联苯、卤代苯和稠环芳烃等80种非极性有机化合物在鱼体中生物富集因子（BCF）的实测数据，建立了有机物在鱼体中生物富集因子的片段常数法估算模型。
Relationship between bioconcentration factor and fragment constants was investigated. A prediction model was developed on the basis of the observed BCF values of 80 non-polar organic compounds.
构造煤形成过程中，由于芳构化作用，稠合芳烃系列化合物含量增加，但又伴随裂解作用。
In the process of deformed-coal, a series compound of condensed aromatics grow in quantity with splitting actin under the aromatization.
结果显示，气相中主要是2—4环的多环芳烃，其中菲为主要的化合物，平均占到总多环芳烃的55.1%。
Only 2—4 ring PAHs were detected in gas phase, and phenanthrene was the most abundant with an average of 55.1% in total PAHs.
在生物降解油柱中观测到了石油总体组成、饱和烃和芳烃系列化合物随深度呈连续而系统的梯度变化。
Systematic changes seen as marked gradients in petroleum bulk composition, component concentrations and molecular indicators have been observed in biodegraded oil columns.
在环境监测方面如测定土壤、植物中农药残留量、多环芳烃等致癌物以及在生化药品制备及检测方面，尤其是在强碱性化合物测定上具有极大的优势。
In prospect of future, the packing materials will be a power tool in detection of pesticide residues in soil and plants, poly-aromatic hydrocarbons in environment as well as pharmaceutics industry.
单环芳烃在土壤基质中相对斜率的大小与化合物本身的沸点以及辛醇-水分配系数呈负相关。
The relative slope of mononuclear aromatics in soil matrix negatively correlates to the boiling point of the compounds and the partition coefficient between octanol and water.
酶能转化复杂的，难降解的芳烃和直链烃类化合物，并不是轻易地将它们生物降解为为简单的脂肪酸，而是加速生物清除的过程。
A. Enzymes transform complex, recalcitrant aromatic and aliphatic hydrocarbons that are not easily biodegradable to simple fatty acids, thereby accelerating biological cleanup.
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.
然后运用饱和烃、芳烃等生物标志化合物以及同位素分析等技术手段，判断油气来源以及经历的次生变化；
Then using techniques of biomarkers and isotopic analysis of saturated and aromatic hydrocarbons to determine oil and gas sources and secondary changes;
然后运用饱和烃、芳烃等生物标志化合物以及同位素分析等技术手段，判断油气来源以及经历的次生变化；
Then using techniques of biomarkers and isotopic analysis of saturated and aromatic hydrocarbons to determine oil and gas sources and secondary changes;
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