搜索结果: 1-15 共查到“理学 Volatile organic compounds”相关记录35条 . 查询时间(0.035 秒)
Radon, water chemistry and pollution check by volatile organic compounds in springs around Popocatepetl volcano, Mexic
soil radon water chemistry volcanic activity
2015/9/10
Popocatepetl volcano is a high-risk active volcano in Central Mexico where the highest population density in the country
is settled. Radon in the soil and groundwater together with water chemistry fr...
Impact of Nitrogen Oxides, Volatile Organic Compounds and Black Carbon on Atmospheric Ozone Levels at a Semi Arid Urban Site in Hyderabad
Trace gas Ozone Volatile organic compounds Black carbon Meteorology and oxides of nitrogen.
2016/3/25
The surface level ozone (O3), nitrogen oxides (NOx = NO2 + NO), volatile organic compounds (VOCs), black carbon (BC)
and meteorological parameters were continuously monitored for the period of one ye...
Composition of semi-volatile organic compounds in the urban atmosphere of Singapore: influence of biomass burning
semi-volatile organic compounds the urban atmosphere of Singapore biomass burning
2010/12/20
An intensive field study was conducted in the urban atmosphere of Singapore to investigate the composition of organic compounds in both gaseous and particulate phases during the period of August to ea...
Evidence of the impact of deep convection on reactive Volatile Organic Compounds in the upper tropical troposphere during the AMMA experiment in West Africa
deep convection reactive Volatile Organic Compounds the AMMA experiment West Africa
2010/11/29
A large dataset of reactive trace gases was collected for the first time over West Africa during the African Monsoon Multidisciplinary Analysis (AMMA) field experiment in August 2006. Volatile Organic...
Measurements and receptor modeling of volatile organic compounds in Southeastern Mexico City, 2000–2007
volatile organic compounds Southeastern Mexico City 2000–2007
2010/10/11
Ambient samples of volatile organic compounds (VOCs) were measured between 2000 and 2007 in Southeastern Mexico City, quantifying 13 species (ethane, propane, propylene, butane, acetylene, pentane, he...
Fluxes and concentrations of volatile organic compounds from a South-East Asian tropical rainforest
volatile organic compounds a South-East Asian tropical rainforest
2010/9/21
As part of the OP3 field study of rainforest atmospheric chemistry, above-canopy fluxes of isoprene, monoterpenes and oxygenated volatile organic compounds were made by virtual disjunct eddy covarianc...
PTR-MS measurements of non-methane volatile organic compounds during an intensive field campaign at the summit of Mount Tai, China, in June 2006
PTR-MS measurements non-methane volatile organic compounds an intensive field campaign June 2006
2010/8/16
Owing to recent industrialization, Central East China has become a significant source of air pollutants. To examine the processes controlling the chemistry and transport of tropospheric ozone, we perf...
Turbulent exchange and segregation of HOx radicals and volatile organic compounds above a deciduous forest
HOx radicals volatile organic compounds a deciduous forest
2010/8/16
The eddy covariance method was applied for the first time to estimate fluxes of OH and HO2 together with fluxes of isoprene, the sum of methyl vinyl ketone (MVK) and methacrolein (MACR) and the sum of...
Measurements of volatile organic compounds over West Africa
volatile organic compounds West Africa
2010/8/13
In this paper we describe measurements of volatile organic compounds (VOC) made using a Proton Transfer Reaction Mass Spectrometer (PTR-MS) aboard the UK Facility for Atmospheric Airborne Measurements...
Study of catalytic activities of nanostructure copper and cobalt supported ZSM-5 catalysts for conversion of volatile organic compounds
Catalytic oxidation volatile organic compound ethyl acetate toluene Cu-ZSM-5 Co-ZSM-5
2010/10/14
This paper reports the comparison of the activities of nanostructure Cu-ZSM-5 and Co-ZSM-5 catalysts for conversion of ethyl acetate and toluene and deals with the relationship between activity and st...
Emissions and ambient distributions of Biogenic Volatile Organic Compounds（BVOC）in a ponderosa pine ecosystem: interpretation of PTR-MS mass spectra
Biogenic Volatile Organic Compounds BVOC ponderosa pine ecosystem PTR-MS mass spectra
2010/2/21
Two proton-transfer-reaction mass spectrometry systems were deployed at the Bio-hydro-atmosphere interactions of Energy, Aerosols, Carbon, H2O, Organics and Nitrogen-Southern Rocky Mountain 2008 field...
Measurements of volatile organic compounds in the middle of Central East China during Mount Tai Experiment 2006 (MTX2006): observation of regional background and impact of biomass burning
volatile organic compounds middle of Central East China Mount Tai
2010/2/21
The measurement of volatile organic compounds (VOCs) was carried out at the summit of Mount Tai, located in the center of the Central East China (CEC) region, in June 2006 as part of the Mount Tai Exp...
Fluxes and concentrations of volatile organic compounds above central London, UK
Fluxes volatile organic compounds central London UK
2010/2/1
Concentrations and fluxes of eight volatile organic compounds (VOCs) were measured during October 2006 from a high telecom tower above central London, as part of the CityFlux contribution to the REPAR...
Determination of Volatile Organic Compounds for a Systematic Evaluation of Third-Hand Smoking
Volatile Organic Compounds Systematic Evaluation Third-Hand Smoking
2010/9/20
Third-hand smoking was quantitatively evaluated with a polymer-packed sample preparation needle and subsequent gas chromatography–mass spectroscopy analysis. The extraction needle was prepared with po...
Vehicular emission of volatile organic compounds (VOCs) from a tunnel study in Hong Kong
Vehicular emission volatile organic compounds VOCs tunnel study Hong Kong
2009/10/9
Vehicle emissions of volatile organic compounds (VOCs) were determined at the Shing Mun Tunnel, Hong Kong in summer and winter of 2003. One hundred and ten VOCs were quantified in this study. The aver...