搜索结果: 1-15 共查到“环境科学技术 size”相关记录24条 . 查询时间(0.049 秒)
Population Size, Habitat Use and Diet of Kittlitz's Murrelets in Prince William Sound, Alaska
seabird habitat use temperature-depth profile foraging ecology
2014/11/26
During the summer of 2008 and 2009, we studied the ecology of the Kittlitz’s Murrelet (Brachyramphus brevirostris), a small diving seabird and candidate for the U.S. Endangered Species List, in Prince...
Torsional Shear Strength and Size Effect in Structural Composite Lumber
Universal-type Test Machine Finite Element Analysis
2014/11/26
The natural variation of strength properties within brittle materials leads to size effect, a well-known phenomenon whereby the mean strength of a material is observed to decrease as the stressed volu...
Impact of the size of nitrogen fertiliser application rate on N2O flux
nitrous oxide soil emissions fertilising fertiliser spreader
2014/9/22
The application rate of a nitrogen fertiliser is one of the most important factors that affect the nitrous oxide (N2O) flux. Calk ammonium nitrate with 27% nitrogen content was spread by a fertiliser ...
Understanding the Variability of Z-R Relationships Caused by Natural Variations in Raindrop Size Distributions (DSD): Implication of Drop Size and Number
Raindrop Size Distribution Radar Reflectivity Factor
2013/2/26
In the issue of rainfall estimation by radar through the necessary relationship between radar reflectivity Z and rain rate R (Z-R), the main limitation is attributed to the variability of this relatio...
On the Fractal Mechanism of Interrelation Between the Genesis, Size and Composition of Atmospheric Particulate Matters in Different Regions of the Earth
Atmospheric aerosols Multifractal Neutron activation analysis
2013/2/26
Experimental data from the National Air Surveillance Network of Japan from 1974 to 1996 and from inde-pendent measurements performed simultaneously in the regions of Ljubljana (Slovenia), Odessa (Ukra...
An Examination of the Effects of Aerosol ChemicalComposition and Size on Radiative Properties of Multi-Component Aerosols
Radiative Properties Sensitivity Study Aerosol Composition
2013/2/26
The sensitivity of aerosol radiative properties (i.e., scattering coefficient, extinction coefficient, single scatter albedo, and asymmetry factor) and radiation transmission to aerosol composition, s...
Eliminating Numerical Artifacts When Presenting Moving Center Sectional Aerosol Size Distributions
Condensational growth Modeling Artifact correction Aerosol size structure
2016/3/28
A number of atmospheric aerosol models use the moving center sectional (MCS) method to represent the aerosol size
distribution. Distributions generated via MCS may exhibit numerical artifacts during ...
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...
Aerosol Particle Size Distribution and Genetic Characteristics of Aerosolized Influenza A H1N1 Virus Vaccine Particles
Influenza A H1N1 Influenza Bioaerosol Vaccine RT-PCR
2016/3/28
Influenza has increasingly become a global issue that threatens human lives worldwide. While an aerosol-type influenza
vaccine has been licensed for the treatment of seasonal influenza via intranasal...
Aerosol Size Distribution and Gaseous Products from the Oven-controlled Combustion of Straw Materials
Biomass burning Aerosols Size distribution Gaseous products
2016/3/28
A number of controlled combustions have been carried out in the laboratory using samples of oats and barley straw
collected in Spain in order to establish the characteristic particle spectra of these...
Assessment of Snow Grain-Size Model and Stratigraphy Representation Impacts on Snow Radiance Assimilation: Forward Modeling Evaluation
Data assimilation grain size microwave radiometry snow
2013/9/2
Two sets of experiments were performed to identify,respectively, the impacts of using different grain size models and simplified representations of snowpack stratigraphy on the predicted grain size ev...
Representative Particle Size of Sediment in Storm Sewer Inlets
Bimodal and unimodal mode robust estimator sieve analysis
2010/12/22
Problem statement: The aim of this study was examine the representative particle size of noncohesive sediment samples collected from different storm sewer inlets in residential catchments within Kuwai...
Evaluation of Aerosol Particle Size at High Polluted Region in the World Using Direct Solar Radiation Measurements: Helwan as a Case Region
Aerosol optical depth particle size direct solar irradiance spectral region scattered light
2010/12/22
The estimation of the air aerosol number concentration variation was carried out in this study making use of data obtained from the Helwan, Egypt. The aerosol number concentration was determined indir...
Measurement of Particle Mass Concentrations and Size Distributions in an Underground Station
PM10 PM2.5 Size distribution Underground station Optical particle counter
2016/3/29
The Taipei main station is a major transfer station in the Taipei Rapid Transit System and is located at the center of
Taipei metropolitan areas. This study investigates particle mass concentrations ...
Hygroscopicity of Inorganic Aerosols: Size and Relative Humidity Effects on the Growth Factor
H-TDMA Hygroscopicity Inorganic aerosols Size-effect Iso-GF
2016/3/29
The hygroscopic properties of inorganic salt particles, including (NH4)2SO4, NaCl, Na2SO4 and NaNO3, are investigated
using a self-assembled hygroscopic tandem differential mobility analyzer (H-TDMA)...