多环芳烃

Pot experiment was conducted with a series of treatments of soils in a greenhouse to investigate the effects of arbuscular mycorrhiza on the residual forms of PAHs in soils.

采用盆栽试验方法，以危为多环芳烃代表物，研究了丛枝菌根作用下土壤中PAHs的残留及形态。

BACKGROUND: Benzo pyrene is kind of polyaromatic hydrocarbon which is a chemical pollutant extensively existing in living and productive environments. It is found overseas that it has neurotoxic effects under certain conditions.

背景：苯并芘代表的多环芳烃是一种广泛存在于生产和生活环境中的化学污染物，国外发现苯并芘在一定条件下具有体外神经毒性。

In order to develop a new method to study the desorption and bioavailability of hydrophobic organic chemicals in soils, a method using semi-permeable membrane device to study desorption of HOCs in soils has been set up, and assisted desorption of polycyclic aromatic hydrocarbons, phenanthrene, pyrene, and benzo［a］pyrenein three different kinds of soils was studied using SPMD.

为了开发一种表征土壤中憎水性有机污染物解吸及生物有效性的新方法，建立了半透膜被动采样装置研究土壤中有机污染物解吸行为的方法，利用SPMD分析了多环芳烃菲、芘和苯并［a］芘在3种不同性质土壤中的辅助解吸行为。

The recoveries of seawater and sediment are :naphthalene 73. 0% and 75. 3%, phenanthrene79. 2%and78. 0%, fluoranthene 88. 1% and 80. 7%, pyrene 73. 8% and 70. 2%, chrysene 77. 6% and 72. 8%, benzofluoranthene 87. 6% and 83.6%, benzo pyrene 120. 3% and 110. 0%, respectively.

通过对7种多环芳烃标准样品的高效液相色谱法的定性、定量分析，结果表明，该方法可有效分离PAHs，回收率较高，海水和沉积物中的回收率分别为：萘73.0％和75.3％，菲79.2％和78.0％，荧蒽88.1％和80.7％，芘73.8％和70.2％，屈77.6％和72.8％，苯并荧蒽87.6％和83.6％，苯并芘120.3％和110.0％。

The main conclusions of this thesis were as follows: 1 Through compared the original peaks, relative concentration distribution and diagnostic ratios of normal alkanes,Naphthalene, Dibenzothiophene, Fluorene, Phenanthrene, Chrysene and their alkyl PAHs, terpane-sterane biomakers of five crude oils, it was confirmed that five single crude oil was unmatched each other.

通过正构烷烃、萘、菲、芴、二苯并噻吩、屈及其烷基化系列多环芳烃、甾萜类生物标志物的原始谱图比较；组分浓度的分布模式比较；诊断比值的比较；对5种不同地质层次的原油进行了鉴别，结果表明5种原油均为独立油样，这与实际情况相符和；t检验分析的使用，使得溢油鉴别更加科学化，定量化；SPSS模糊聚类的使用，使得各油样之间&亲疏远近&的关系，即&属于的程度不同&的概念得以充分表现；明确了&是非&分明的概念。

The PAHs sorption on soil/sediment resulted from coaction of mineral substances and organic matter other than surface sorption or distribution process only.

在多环芳烃吸附过程中，如何结合其定量结构性质、有机无机复合体的界面结构以及环境化学特征认识吸附机理是今后研究的一个趋势。

In this paper, the single and combined toxicities of polycyclic aromatic hydrocarbons fluoranthene and copper to Phaeodactylum triconutum were studied.

在实验室条件下研究了多环芳烃荧蒽和铜对三角褐指藻的单一和联合毒性。

The effects of some operational parameters on PAH removal were investigated, and the results showed that ozone has the ability to oxidize PAH in plant oil, and its oxidizability to anthracene/fluoranthene is higher than to phenanthrene.

结果表明臭氧具有氧化植物油中多环芳烃的能力，对蒽和荧蒽的氧化能力强于菲。

Quantitative expression and effect of combined pollution of heavy metals and polycyclic aromatic hydrocarbons, including phenanthrene, fluoranthene and benzopyrene, on soil enzyme were investigated during 7 weeks of incubation.

以土壤脲酶和脱氢酶为探针物质，室内培养条件下较为系统地研究了重金属和多环芳烃复合污染对土壤酶活性的影响及其定量表征。

Batch experiments and soil column experiments were performed to study desorption and leaching of Fluoranthene from soil amended with sewage sludge compost.

以荧蒽为多环芳烃的代表，通过序批试验及土柱淋洗试验研究了污泥堆肥及污泥堆肥水溶性有机物对污染土壤中荧蒽解吸和淋滤的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。