搜索结果: 1-15 共查到“环境科学技术 hydrocarbons”相关记录20条 . 查询时间(0.079 秒)
Non-methane Hydrocarbons and Their Ozone Formation Potentials in Foshan, China
Non-methane hydrocarbons Vehicular emission Solvent evaporation Ozone formation potential Foshan
2016/3/25
Concentrations of non-methane hydrocarbons (NMHCs) were measured to investigate their temporal variations and
major sources, and to explore the ozone formation potentials (OFP) of each NMHCs for the ...
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. ...
Proximal Input of Polynuclear Aromatic Hydrocarbons (PAHs) in Groundwater Sources of Okrika Mainland, Nigeria
Carcinogenic Polynuclear Aromatic Hydrocarbons Groundwater Gas Chromatography Okrikamainland
2013/3/12
The Port Harcourt Refinery Company situated at Okrika Mainland discharges its effluent into the Creeks surrounding this coastal land. The current study examined the presence of polynuclear aromatic hy...
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 ...
Contributions of Biogenic and Anthropogenic Hydrocarbons to Secondary Organic Aerosol during 2006 in Research Triangle Park, NC
Secondary organic aerosol Organic Carbon PM2.5
2016/3/28
A recently developed, organic tracer-based method was used to estimate the secondary contributions of biogenic and
anthropogenic precursor hydrocarbons to ambient organic carbon concentrations in PM2...
Potential Approaches to Improving Biodegradation of Hydrocarbons for Bioremediation of Crude Oil Pollution
Biodegradation Bioremediation Crude Oil Hydrocarbon Nutrient Balance Oxygen
2013/3/12
With increasing demands of fossil fuel energy, extensive exploration of natural sources has caused a number of large scale accidental spills of crude oil and resulted in some significantly environment...
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...
Long-term, low temperature simulation of early diagenetic alterations of organic matter from conifers: Aliphatic hydrocarbons
coniferous organic matter early diagenetic alternations alphatic hydrocarbons inorganic environment
2017/8/9
Early diagenetic alterations of organic matter from conifers were simulated at low temperature of 80°C for five and a half years. Their diagenetic products of aliphatic hydrocarbons were identified an...
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...
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...
DISTRIBUTION OF HYDROCARBONS AND HEAVY METALS IN SEDIMENT AND A CRUSTACEAN (shrimps – Penaeus notialis) FROM THE BONNY/NEW CALABAR RIVER ESTUARY,NIGER DELTA
Total hydrocarbon Heavy metals shrimp sediment
2008/10/24
notialis) along Bonny/New Calabar River Estuary were studied to cover the two dominant (wet -September 2000 and dry - January 2001) seasons, in ten selected stations located in 3 main ecological zones...