搜索结果: 1-15 共查到“工学 Particle size”相关记录21条 . 查询时间(0.14 秒)
Quantifying the particle size of intertidal sediments with satellite remote sensing in the visible light, thermal infrared and microwave spectral domain
SAR TIR
2015/8/21
Quantifying the particle size of intertidal sediments with satellite remote sensing in the visible light, thermal infrared and microwave spectral domain.
Aerosol Particle Size Distribution and Genetic Characteristics of Aerosolized Influenza A H1N1 Virus Vaccine Particles
Influenza A H1N1 Influenza Bioaerosol Vaccine RT-PCR
2011/3/28
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...
Representative Particle Size of Sediment in Storm Sewer Inlets
Bimodal and unimodal mode robust estimator sieve analysis
2010/12/1
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
2010/6/1
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...
The effects of rheological properties of wall materials on morphology and particle size distribution of microcapsule
microcapsule wall materials rheological properties morphology particle size spray-drying
2010/2/27
The effects of rheological properties of the wall materials on the morphology and particle size distribution of microcapsules prepared by spray-drying were evaluated. Gelatin-sucrose (Gel-Suc), gelati...
Particle size distribution of sawdust and wood shavings mixtures
wood shavings sawdust particle size distribution modelling
2010/2/26
Particle size distribution of the sample of waste sawdust and wood shavings mixtures were made with two commonly used methods of mathematical models by Rosin-Rammler (RR model) and by Gates-Gaudin-Sch...
Optical correlation technique for cement particle size measurements
transverse coherence polarization interferometer cement size distribution function
2009/12/21
Optical correlation technique of determining the cement particle size distribution is described. It
is based on transverse coherent function measurement using a polarization transverse shearing
inte...
Effects of particle size distribution on the refractory properties and corrosion ultra-low cement castables
Ultra-low cement castables (ULC) Particle size distribution Rheolology Slag penetration
2009/12/2
Design/methodology/approach: In this study the effect of particle size distribution on refractory properties of
ultra-low cement castables was investigated. Secar 71 cement was used as a binder. The ...
Influence of beech particle size used in surface layer on bending strength of three-layer particle board
particleboard bending strength beech particles particle size surface layer compaction ratio
2009/11/26
It is well known that wood species and particle size used influence the bending strength of the three-layer particleboard. The purpose of this research was to determine how the size of beech (Fagus sy...
Effect of Particle Size and Loading on Development Region in Two-Phase Flows
Two-Phase Flow Clean Air Flow Loading Ratio Development Length Friction Factor
2009/10/14
An experimental study was conducted on the development length of a two-phase flow produced by
the loading of solid particles by means of a particle feeder into air flowing through a horizontal pipe.D...
A SINGLE, PARTICLE-SIZE MODEL OF SULFUR SELF-RETENTION - A GRAIN MODEL APPROACH
coal combustion sulfur retention by ash
2009/10/13
A developed overall model for sulfur self-retention in ash during coal particle combustion is presented in the paper. The total sulfur content in char, after devolatilization, is evaluated using a der...
Effects of Powder Hardness and Particle Size on the Densification of Cold Isostatically Pressed Powders
Cold Isostatic Pressing Metallic and Ceramic Powders Mechanical Behaviour
2009/10/12
The densification behaviour of aluminium, iron and alumina powders under cold isostatic pressing (CIP)are examined. For this purpose, a unit which can withstand up to 650 MPa pressure was designed and...
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...
Control of Macropore Structure of Hydrocracking Catalyst by Silica-alumina Particle Size and Influence on Hydrocracking Activity and Middle Distillate Selectivity
Hydrocracking Diffusivity Macropore structure Particle size Middle distillate selectivity
2009/7/28
Hydrocracking (HC) catalysts consisting mainly of silica-alumina and a small amount of ultra stable Y type (USY) zeolite were prepared with silica-alumina powders of different mean particle sizes, an...
Relationship between Rheology, Particle Size and Texture of Mayonnaise
mayonnaise rheology texture
2009/5/20
This study aimed to compare the physical properties of mayonnaise with its perceived texture. Model mayonnaises with the same composition were prepared under different emulsifying conditions. Perceive...