搜索结果: 1-15 共查到“理学 hydrocarbons”相关记录43条 . 查询时间(0.061 秒)
Ultrasonic wave extraction and simultaneous analysis of polycyclic aromatic hydrocarbons (PAHs) and phthalic esters in soil
Polycyclic aromatic hydrocarbons Phthalic Acid Esters Ultrasonic assistant extraction technique
2018/3/23
A method is developed for detection of polycyclic aromatic hydrocarbons (PAHs) and Phthalic Acid Esters (PAEs) in soil samples. Ultrasonic Wave Extraction under airtight circumstances is adopted to ex...
Persistent Organic Pollutants (POPs),Polycyclic Aromatic Hydrocarbons (PAHs),and Plastics:Examples of the Status, Trend,and Cycling of Organic Chemicals of Environmental Concern in the Ocean
Persistent Organic Pollutants (POPs) Polycyclic Aromatic Hydrocarbons (PAHs) Plastics:Examples of the Status Trend Cycling Organic Chemicals Environmental Concern in the Ocean
2015/7/17
Four decades of research have provided a reasonable understanding of the outline of the biogeochemical cycles of persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) in coa...
Polycyclic aromatic hydrocarbons in post-fire soils of drained peatlands in western Meshchera (Moscow region, Russia)
Polycyclic aromatic hydrocarbons contaminants wildfires levels of pollution polycyclic aromatic hydrocarbons in the soil
2015/1/6
Polycyclic aromatic hydrocarbons (PAHs) are priority pollutants that arrive in the environment from numerous anthropogenic and natural sources, but the data on their natural sources including wildfire...
GIS approach in assessing the status of neritic water quality and petroleum hydrocarbons in Bay of Bengal (From Chennai to Nagapattinam, Tamilnadu), India
GIS coastal water quality petroleum hydrocarbons wind direction wetland
2014/11/26
Neritic coastal water samples, collected onboard in Ocean Research Vessel (Sagar Purvi,
NIOT) at a depth of 15m from the shore in August, 2010 at 15 coastal stations (opposite to
the river mouths,...
Seasonal Variation and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Indoor and Outdoor Air in a Semi Arid Tract of Northern India
Indoor and outdoor air Gas/Particulate PAHs Seasonality Toxic assessment Source apportionment
2016/3/25
PAHs concentration in particulate and gas phase was investigated in indoor and outdoor air of urban residential and
roadside homes in a semiarid region of India. Samples were collected during winter ...
Characteristics and source of polycyclic aromatic hydrocarbons in the surface hydrothermal sediments from two hydrothermal fields of the Central Indian and Mid-Atlantic Ridges
polycyclic aromatic hydrocarbons inorganic geochemical characteristic hydrothermal sediments Kairei hydrothermal field, Logatchev hydrothermal f
2017/4/11
The analysis of major elements and polycyclic aromatic hydrocarbons (PAHs) were carried out on surface hydrothermal
sediments collected from the Kairei hydrothermal field on the Central Indian Ridge ...
Hydrocarbons on Harvester Ant (Pogonomyrmex barbatus) Middens Guide Foragers to the Nest
Pogonomyrmex barbatus.Hydrocarbons Homing .Chemical ecology Foraging behavior
2015/12/10
Colony-specific cuticular hydrocarbons are used
by social insects in nestmate recognition. Here, we showed
that hydrocarbons found on the mound of Pogonomyrmex
barbatus nests facilitate the return ...
Assessment of the Moroccan Mediterranean Coasts Contamination by Hydrocarbons (Non Aromatic Hydrocarbons, Aromatic Hydrocarbons and Linear Alkylbenzenes)
Western Moroccan Mediterranean Coast Bivalves Contamination
2013/3/7
In order to evaluate the contamination of the Moroccan Mediterranean coasts by persistent organic pollutants we studied hydrocarbons and linear alkylbenzenes in bivalve tissues (cockles) collected sea...
Characterization of non-methane hydrocarbons in Asian summer monsoon outflow observed by the CARIBIC aircraft
non-methane hydrocarbons Asian summer monsoon the CARIBIC aircraft
2011/1/20
Between April and December 2008 the CARIBIC commercial aircraft conducted monthly measurement flights between Frankfurt, Germany and Chennai, India. These flights covered the period of the Asian summe...
Phase equilibria of polydisperse hydrocarbons: moment free energy method analysis
equilibria of polydisperse hydrocarbons free energy method analysis
2011/3/2
We analyze the phase equilibria of systems of polydisperse hydrocar-bons by means of the recently introduced moment method. Hydrocarbons are modelled with the Soave-Redlick-Kwong and Peng-Robinson equ...
The formation of polycyclic aromatic hydrocarbons in evolved circumstellar environments
Solar and Stellar Astrophysics (astro-ph.SR) Galaxy Astrophysics (astro-ph.GA)
2011/1/4
The formation of Polycyclic Aromatic Hydrocarbons in the circumstellar outflows of evolved stars is reviewed, with an emphasis on carbon stars on the Asymptotic Giant Branch. Evidence for PAHs present...
Observations of elevated formaldehyde over a forest canopy suggest missing sources from rapid oxidation of arboreal hydrocarbons
elevated formaldehyde a forest canopy suggest rapid oxidation arboreal hydrocarbons
2010/9/21
To better understand the processing of biogenic VOCs (BVOCs) in the pine forests of the US Sierra Nevada, we measured HCHO at Blodgett Research Station using Quantum Cascade Laser Spectroscopy (QCLS) ...
Multi-year (2004–2008) record of nonmethane hydrocarbons and halocarbons in New England: seasonal variations and regional sources
nonmethane hydrocarbons halocarbons New England seasonal variations regional sources
2010/8/13
Multi-year time series records of C2-C6 alkanes, C2-C4 alkenes, ethyne, isoprene, C6-C8 aromatics, trichloroethene (C2HCl3), and tetrachloroethene (C2Cl4) from canister samples collected during Januar...
Trace Analysis of Polycyclic Aromatic Hydrocarbons Using Gas Chromatography–Mass Spectrometry Based on Nanosecond Multiphoton Ionization
Trace Analysis Polycyclic Aromatic Hydrocarbons Gas Chromatography–Mass Spectrometry Based Nanosecond Multiphoton Ionization
2010/9/15
Gas chromatography/resonance-enhanced multiphoton ionization/time-of-flight mass spectrometry (GC/REMPI-TOFMS) using an ultraviolet nanosecond laser was employed in the trace analysis of polycyclic ar...
Kinetic double-layer model of aerosol surface chemistry and gas-particle interactions (K2-SURF): Degradation of polycyclic aromatic hydrocarbons exposed to O3, NO2, H2O, OH and NO3
Kinetic double-layer model aerosol surface chemistry gas-particle interactions K2-SURF
2009/12/31
We present a kinetic double-layer surface model (K2-SURF) that describes the degradation of polycyclic aromatic hydrocarbons (PAHs) on aerosol particles exposed to ozone, nitrogen dioxide, water vapor...