搜索结果: 1-15 共查到“工学 Polycyclic aromatic hydrocarbons”相关记录20条 . 查询时间(0.14 秒)
Preparation of rosin-based polymer microspheres as a stationary phase in high-performance liquid chromatography to separate polycyclic aromatic hydrocarbons and alkaloids
rosin-based stationary phase alkaloids polycyclic aromatic hydrocarbons polymer microspheres
2024/3/8
Acrylpimaric acid ethylene glycol acrylate was used as the cross-linking agent to prepare rosin-based polymer microspheres through membrane emulsification-microsuspension polymerization. The prepared ...
FLUORESCENT ANALYSIS OF PHOTOSYNTHETIC MICROBES AND POLYCYCLIC AROMATIC HYDROCARBONS LINKED TO OPTICAL REMOTE SENSING
Fluorescence Excitation-Emission Matrix Cyanobacteria Crude oil, PAHs
2014/4/30
Fluorescence analysis, being a non-invasive technique, has become one of the most powerful and widely used techniques for microbiologists and chemists to study various types of sample from photosynthe...
Sources of Polycyclic Aromatic Hydrocarbons in Street Dust from the Chang-Zhu-Tan Region, Hunan, China
Street Dust Polycclic Aromatic Hydrocarbons Rare Earth Element Sources of Pollution
2013/3/13
Street dusts collected from 20 sites as well as three special dust samples collected from chimney of coal-fired plant, smelter and refinery of nonferrous metals and automobile exhaust, respectively, i...
Variability in Road Runoff Pollution by Polycyclic Aromatic Hydrocarbons (PAHs) in the Urbanized Area Adjacent to Biscayne Bay, Florida
PAHs Storm-Event Mass First Flush Seasonal Variability Annual Average Daily Traffic
2013/3/13
Polycyclic aromatic hydrocarbons (PAHs) were consistently documented in the sediments of the canals draining into Biscayne Bay. The study examines the contribution of urban runoff to PAHs discharges. ...
High-Precision GC-MS Analysis of Atmospheric Polycyclic Aromatic Hydrocarbons (PAHs) and Isomer Ratios from Biomass Burning Emissions
Agricultural-Waste Burning PAHs Accelerated Solvent Extraction GC-MS
2013/3/12
This manuscript describes an analytical method for the quantitative determination of 16-polycyclic aromatic hydrocarbons (PAHs) using accelerated solvent extraction (ASE), followed by purification on ...
IMPACTS OF CRAB BIOTURBATION ON THE FATE OF POLYCYCLIC AROMATIC HYDROCARBONS IN SEDIMENT FROM THE BEITANG ESTUARY OF TIANJIN, CHINA
IMPACTS HE BEITANG ESTUARY OF TIANJIN
2013/12/12
Bioturbation by the burrowing crab Helice tiensinensis was investigated to determine its impact on polycyclic aromatichydrocarbon (PAH)-contaminated estuarine sediments. The concentrations of 16 U.S. ...
Desorption of polycyclic aromatic hydrocarbons from aged and unaged charcoals with and without modification of humic acids
Desorption Charcoal PAHs Aging
2013/12/12
Desorption of pyrene and phenanthrene, from two charcoals and humic acid preloaded charcoals werestudied. Desorption occurred obviously in two fractions, with rapid and slow desorption rate constantra...
Characterization and Source Identification of PM10-bound Polycyclic Aromatic Hydrocarbons in Urban Air of Tianjin, China
PAHs PM10 Diagnostic ratios PCA Sources
2016/3/29
PM10 samples were collected at six sampling sites in city center of Tianjin from April 2008 to January 2009. The
concentrations of 17 selected polycyclic aromatic hydrocarbons (PAHs) in PM10 were qua...
水泵橡胶密封件中多环芳烃的研究（Study on Polycyclic Aromatic Hydrocarbons in Pump Rubber Seals）
多环芳烃 水泵 橡胶密封件
2009/12/28
简要分析了多环芳烃(PAHs)的危害及水泵橡胶密封件中PAHs的来源，首次采用了水泵密封件中多环芳烃的超声萃取气相色谱-质谱(GC-MS)联用的测定方法。优化了超声萃取条件，确定了16种PAHs的分离和测定条件。样品经过超声波萃取，采用选择离子监测模(SIM)定性和定量检测水泵密封件中多环芳烃，用内标法对PAHs进行定量分析。用加标回收方法试验确定方法的准确度。结果表明：16种PAHs平均回收率为...
Enzyme activities during degradation of polycyclic aromatic hydrocarbons by white rot fungus Phanerochaete chrysosporium in soils
PAHs Degradation Phanerochaete chrysosporium LiP MnP
2013/12/12
The degradation of three polycyclic aromatic hydrocarbons (PAHs), phenanthrene, pyrene and benzo[a]-pyrene in soils byPhanerochaete chrysosporium, andthe enzyme activities of lignin peroxidase (LiP) a...
Effects of Moisture Content and Burning Period on Concentration of Smoke Particles and Particle-Bound Polycyclic Aromatic Hydrocarbons from Rubber- Wood Combustion
Rubber-wood PAHs Smoke particle Moisture content Burning period
2016/3/29
Physical and chemical characteristics of particles from rubber-wood combustion in a natural rubber sheet smoking process were
studied. Experimental parameters include wood moisture content and wood-b...
Source Identification of Polycyclic Aromatic Hydrocarbons in Urban Particulate Matter of Tangshan, China
Polycyclic aromatic hydrocarbons (PAH) Particulate matter Diagnostic ratios Principal component analysis
2016/3/29
The presence of particle-associated polycyclic aromatic hydrocarbons (PAHs) was investigated in mixed residential/light industrial,
industrial and commercial zones in summer 2000 and winter 2001 in T...
Impacts of charcoal characteristics on sorption of polycyclic aromatic hydrocarbons
Charcols PAHs Sorption LFER Pore filling p –p EDA
2013/12/12
Sorption of three polycyclic aromatic hydrocarbons (PAHs, phenanthrene, anthracene and pyrene) on three charcoals and their pre-cursor substance(sawdust) was studied. The charcoals obtained by heating...
Contamination of Polycyclic Aromatic Hydrocarbons Bound to PM10/PM2.5 in Xiamen, China
PAHs EC/OC Source identification Xiamen
2016/3/30
PM10 (particulate matter which passes through a size selective impactor inlet with a 50%
efficiency cut-off at 10 μm aerodynamic diameter) and PM2.5 were collected at four sites (A:
Xiaoping, B: Hul...
Characteristics of Ambient Particle-bound Polycyclic Aromatic Hydrocarbons in the Angkor Monument Area of Cambodia
Tourism Air pollution PAHs Biomass burning Wind transportation
2016/3/30
The characteristics of ambient particle-bound polycyclic aromatic hydrocarbons (PAHs) in the
Angkor monument area of Cambodia were studied to evaluate the status of air pollution and the
influence o...