搜索结果: 1-15 共查到“工学 Particulate matter”相关记录20条 . 查询时间(0.234 秒)
ESTIMATION OF SATELLITE-BASED SO42− AND NH4+ COMPOSITION OF AMBIENT FINE PARTICULATE MATTER OVER CHINA USING CHEMICAL TRANSPORT MODEL
PM2.5 chemical components sulfate ammonium satellite-estimated chemical transport model
2018/5/15
Epidemiologic and health impact studies have examined the chemical composition of ambient PM2.5 in China but have been constrained by the paucity of long-term ground measurements. Using the GEOS-Chem ...
RETRIEVAL OF ATMOSPHERIC PARTICULATE MATTER USING SATELLITE DATA OVER CENTRAL AND EASTERN CHINA
Retrieval Atmospheric Particulate Matter Satellite Central and Eastern China
2018/5/11
Fine particulate matter (PM2.5) is a particle cluster with diameters less than or equal to 2.5 μm. Over the past few decades, regional air pollution composed of PM2.5 has frequently occurred ove...
SPATIAL TEMPORAL MODELLING OF PARTICULATE MATTER FOR HEALTH EFFECTS STUDIES
dynamic model Gaussian process air quality particulate mattter health low-cost sensors
2016/12/1
Epidemiological studies of the health effects of air pollution require estimation of individual exposure. It is not possible to obtain measurements at all relevant locations so it is necessary to pred...
Spatial Correlation Analysis between Particulate Matter 10 (PM10) Hazard and Respiratory Diseases in Chiang Mai Province, Thailand
Respiratory diseases haze particulate matter Aerosol Optical Depth (AOD) MODIS images GWR models
2014/12/15
Every year, during dry season, Chiang Mai and other northern provinces of Thailand face the problem of haze which is mainly generated by the burning of agricultural waste and forest fire, contained hi...
Traffic Air Pollution and Risk of Death from Breast Cancer in Taiwan: Fine Particulate Matter (PM2.5) as a Proxy Marker
Traffic air pollution Breast cancer Fine particulate matter
2016/3/28
The relationship between breast cancer mortality and air pollution was examined using an ecological design. The study
areas consisted of 61 municipalities in Taiwan. Air quality data for recorded con...
Using a Parafoil Kite for Measurement of Variations in Particulate Matter—A Kite-Based Dust Profiling Approach
Grassland Wind Erosion Particular Matter PM1 PM2.5 PM10 PM-Ratio
2013/2/26
This paper reports on the use of a kite-based system for measuring low-altitude particulate matter (PM) concentrations over grassland in Inner Mongolia. The motivation came from PM-concentration measu...
Correction Factor for Continuous Monitoring of Wood Smoke Fine Particulate Matter
PM2.5 Indoor air pollution Wood burning
2016/3/28
The US Environmental Protection Agency (EPA) has designated a handful of instruments as Federal Reference or
Federal Equivalency Methods (FRM and FEM, respectively) for the monitoring of fine particu...
Chemical Characteristics of Particulate Matter during a Heavy Dust Episode in a Coastal City, Xiamen, 2010
Dust storm Particle Inorganic element Water-soluble ion Xiamen
2016/3/28
Xiamen, as a southeastern coastal city, is hardly affected by dust storms (DSs) sourced from the arid and semiarid areas
in North or Northwestern China in spring. Unfortunately, during 21–23 March, 2...
Quantitative Source Apportionment of Size-segregated Particulate Matter at Urbanized Local Site in Korea
Cascade impactor PMF CPF Size segregation Source contribution
2016/3/28
The suspended particulate matter (PM) has been collected by a cascade impactor for 2 years (September 2005–
September 2007) in Kyung Hee University-Global Campus located on the border of Yongin and S...
Chemical Characterization and Source Identification of Particulate Matter at an Urban Site of Navi Mumbai, India
PM2.5–10 PM2.5 PIXE EF analysis PCA
2016/3/28
Particulate matter samples were collected using a dichotomous sampler at a residential area of Vashi situated in Navi
Mumbai, India during the period of 2008. The sampler facilitates the simultaneous...
Identification of Sources of Fine and Coarse Particulate Matter in Dhaka, Bangladesh
PMF PSCF CPF Back trajectory
2016/3/29
In Bangladesh, the ambient air within Dhaka city is highly polluted by motor vehicle and brick kiln emissions. In addition,
meteorological conditions during the winter cause increases in the fine par...
Comparing Physicochemical Properties of Ambient Particulate Matter of Hot Spots in a Highly Polluted Air Quality Zone
PM2.5 PM10 Physicochemical characteristics Hot spot CMB
2016/3/29
The SURFER model is seldom used in combination with the CMB model to look for PM10 hot spots and estimate the
contribution of various sources, and this is the aim of the current study. In addition, t...
Exposure to Particulate Matter in Vehicle Cabins of Private Cars
PM10 PM2.5 PM1 Ultrafine particles In-vehicle exposure
2016/3/29
A growing number of studies indicate the significance of short-term exposures to airborne particulate matter, such as
those occurring in a vehicle cabin. In this study, PM10, PM2.5, PM1 concentration...
甲醇柴油与生物柴油微粒排放粒径分布特性（Particle Size Distribution of Particulate Matter Emission from the Diesel Engine Burning Methanol-diesel Fuel and Biodiesel）
柴油机 甲醇柴油 生物柴油 微粒
2009/9/2
以石化柴油为参照，在发动机台架上，采用电子低压冲击仪及其附带的两级稀释系统测试了燃用柴油、甲醇柴油和生物柴油排放的不同粒径微粒的数量浓度、体积浓度，分析了发动机转速、负荷以及燃油种类对微粒粒径分布的影响。试验证明：在外特性下，柴油、甲醇柴油排放的微粒数量浓度随转速增大而增加，生物柴油排放的微粒数量浓度随转速没有明显变化规律；在2300r/min，生物柴油和柴油随负荷的减小排放的微粒数量浓度增加；标...
Effect of Fuel Additives on Reduction of Smoke and Particulate Matter, and Stabilization of Cycle-to-cycle Variation
Gas oil Fuel additive Particulate matter reduction
2009/7/24
Non-metallic additives are useful countermeasures to reduce smoke and particulate matter from diesel engine emissions. Non-metallic additives include nitro- and oxygenates, oxygenates and nitrogena...