芳香烃
- aromatic hydrocarbon;aryl hydrocarbon
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产碱假单胞菌NCIB9867株(P25X)能够通过龙胆酸途径降解芳香烃。
Pseudomonas alcaligenes NCIB 9867 ( strain P25X ), a soil bacterium , is capable of degrading aromatic hydrocarbon via the gentisate pathway .
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Cu掺杂的CeZrO2固溶体的制备及其催化燃烧芳香烃
Preparation of Cu-Doped CeZrO_2 Solid Solution and Its Catalytic Activity for Aromatic Hydrocarbon Combustion
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苯环型烃都是非经典烃,因此,可能是芳香烃。
The benzenoid hydrocarbon are all nonclassical and , thus potentially aromatic .
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一种新颖的普及型离子色谱仪芳香烃在简单盐水溶液中ks值的计算
Calculation of Salt Effect Constants k_s for Aromatic Hydrocarbons in Simple Ion Aqueous Salt Solution
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快速筛选芳香烃受体基因特异RNA干扰序列的初步研究
Rapid screening of specific RNA interfere sequences for aryl hydrocarbon receptor gene
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应用定量竞争RT-PCR筛选芳香烃受体基因RNA干扰片段
Screening of aryl hydrocarbon receptor gene specific RNA interference fragment by quantitative competitive RT-PCR
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石脑油中芳香烃含量的测定石油中芳烃的MC定量分析法
Analysis of Aromatic Hydrocarbon in Naphtha Determination of Aromatic Hydrocarbons in Petroleum by Mass Chromatography
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丙烯等量浓度分析表明,芳香烃、CO、生物源烃和烯烃对该地O3均有重要贡献。臭氧(英文)
Propylene-equivalent concentration method indicates that aromatics , CO , biogenic hydrocarbons and alkene are the dominative contributors to photochemical ozone .
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采用GC-MS定性检出28种物质,芳香烃和烷烃分别占32%和25%。
28 kinds of VOCs was qualitatively identified by GC-MS , and aromatic hydrocarbon and alkane occupied 32 % and 25 % respectively .
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对有马达法辛烷实验值的芳香烃分子进行研究时,用C节点-C连接数的倒数方法计算的自相关拓扑指数与辛烷值间的相关性最显著,其相关系数为0.9537。
To study the aromatic molecules of having experimental octane number , the fittings of the autocorrelation topological indexes of the inverse of carbon-carbon connection to the motor octane numbers present high correlation coefficients , and it is 0.9537 .
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多环芳香烃(PAHs)被认为是碳烟形成的前驱物,其形成与生长过程引起了人们很大关注。
The formation and growth processes of polycyclic aromatic hydrocarbons ( PAHs ), which are suggested as soot-precursors , have been paid more attention to .
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以萘为单体、三聚甲醛为交联剂,可在对甲苯磺酸、浓硫酸或氯磺酸的催化下,在150~160℃下反应得到未交联的缩合多核芳香烃树脂(B-树脂)。
Uncross linked condensed polynuclear aromatics ( COPNA ) resins ( B resins ) were prepared at 150 ℃~ 160 ℃ in the presence of an acid catalyst such as p toluene sulfonic acid , sulfuric acid or chlorosulfonic acid .
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结论应用定量竞争RTPCR准确地定量基因的mRNA表达水平,筛查出芳香烃受体基因RNA干扰有效序列,为进一步研究芳香烃受体基因的功能创造了条件。
Conclusion AHR gene specific effective RNA interfere sequence ware screened by quantitative competitive RT-PCR which could accurately quantify gene mRNA level , and offered condition for studying the gene function of AHR .
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利用一种详细的化学动力学模型,模拟了甲烷层流预混火焰中芳香烃及多环芳烃(PAHs)的形成。
Detailed chemical kinetic modeling was performed to investigate aromatic and polycyclic aromatic hydrocarbons ( PAHs ) formation in a rich , sooting , methane premixed flame .
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C(60)独特的球型结构使它具有缺电子芳香烃的性质,其中C(60)有机功能化最常用的有效方法之一是Diels-Alder反应。
The unique spherical structure make C60 be of some properties of electron deficient polyolefin , among the many derivatives methods available , one of the most efficient organic functional method is Diels-Alder reaction .
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结论运用PCR扩增siRNA表达盒从多个候选序列中快速筛选出芳香烃受体有效的干扰序列,为进一步的基因功能研究创造了条件。
Conclusion The effective interfere sequence for AhR from candidate sequences was screened by siRNA cassettes amplified by PCR , and offered conditions for studying the gene function of AhR .
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结果表明,SOF中最大的组分为烷烃,其次是芳香烃;
Analysis results show the dominant component in SOF is paraffin hydrocarbon , secondly , is aromatic hydrocarbon .
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根据Kumar提出的结焦动力学模型,提出了芳香烃结焦母体浓度的计算方法。
The method for calculation aromatic concentration in reaction tube was proposed to meet Kumar 's coke formation model .
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这类C2+-含氧物已经被证明是具有更高辛烷值,较低NOx、臭氧、CO和芳香烃蒸气排放物的优质、洁净动力燃料。
These C2 + - oxygenates have been confirmed to be a better and cleaner automobile fuel with high octane number , and lower emissions of NOx , ozone , CO , and aromatic vapors .
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反应机理包括目前国际上关于气相反应、多环芳香烃PAH化学、炭黑成核以及表面氧化的最新研究成果。
The model combines recent developments in gas-phase reactions , aromatic chemistry , soot particle nucleation , coagulation , condensation , surface growth and oxidation .
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综述了近年来缩合多环多核芳香烃(COPNA)树脂制备技术及其应用研究进展。
Developments in preparation of condensed polynuclear aromatics ( COPNA ) resin in recent years are reviewed .
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与国3柴油相比较,纯CTL燃料气态多环芳香烃的比排放量略微增加,而总羰基化合物的排放略微减小。
Compared to the reference diesel fuel , most of the gaseous PAHs derived from CTL are slightly enhanced , while the total carbonyls show a negligible reduction . 3 .
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异化Fe(III)还原微生物在Fe(III)及金属氧化物的还原过程中可促进一些有机污染物,如芳香烃、卤代芳烃化合物、一些染料化合物及长链脂肪酸的降解。
Under Fe ( III ) or other metal oxides reduction , the dissimilatory Fe ( III ) reducers could stimulate the decomposition of some organic contaminants including aromatic compounds , halogenated aromatics , some dyes and long-chain aliphatic acids .
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采用一种不需要限制核酸酶和连接酶的新方法&“PCR一步法”将芳香烃化合物降解的关键基因pheB和绿色荧光蛋白编码基因gfp融合,构建得到融合蛋白基因fpg。
TP-PCR , a method developed for fusion gene construction without the use of endonuclease and ligase , was performed to construct a fused fpg gene .
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多环芳香烃(PAHs)在环境中的污染可导致严重的健康问题,因而PAHs对人类和生态系统的影响引起了各界的广泛关注。
Contamination of polycyclic aromatic hydrocarbons ( PAHs ) in the environment is a serious public health problem and the impact of PAHs on human beings and ecosystems has attracted increasing public and academic concern .
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本文以全气缸取样系统为基础,结合先进的仪器分析方法,研究了在柴油燃烧过程中气相/颗粒相多环芳香烃(polycyclicaromatichydrocarbons,PAHs)的分布特性。
The gas / particle phase distribution of polycyclic aromatic hydrocarbons ( PAHs ) during diesel combustion process was investigated with advanced instrument analysis methods , and all samples were obtained from the total cylinder dumping system .
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此外,烟黑与多环芳香烃(PAHs)和NOx等污染物有着复杂的内在联系,对人类健康造成了严重的危害,还会造成大气能见度降低和全球气候变暖。
In addition , soot has a complex internal relation with PAHs , NOx and other pollutants that is harmful to human health . And soot may also cause global warming and reduce the visibility of atmosphere .
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目的筛选对人气管上皮细胞株16HBE芳香烃受体基因mRNA表达有效抑制的特异RNAi片段。
Objective To evaluate and screen the specific RNAi fragments which can effectively inhibit Aryl hydrocarbon receptor ( AHR ) gene mRNA expression in human bronchial epithelial cell line ( 16HBE ) .
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试验结果表明:水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃(BTEX)自然衰减的主要过程。
The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media .
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以北方某城市给水厂的自来水为研究对象,采用重组基因酵母测定法对不同处理工艺单元出水的芳香烃受体(AhR)效应进行了检测。
The behavior of aryl hydrocarbon receptor ( AhR ) activity in water purification course in a waterworks in north China was investigated by recombinant yeast bioassay .