搜索结果: 1-13 共查到“理学 Light absorption”相关记录13条 . 查询时间(0.078 秒)
We demonstrate that 100% light absorption can take place in a single patterned sheet of doped graphene. General analysis shows that a planar array of small lossy particles exhibits full absorption und...
Water-Soluble Organic Aerosol material and the light-absorption characteristics of aqueous extracts measured over the Southeastern United States
Water-Soluble Organic Aerosol material the light-absorption characteristics aqueous extracts the Southeastern United States
2010/8/13
Light absorption of fine particle (PM2.5) aqueous extracts between wavelengths of 200 and 800 nm were investigated from two data sets: 24-h Federal Reference Method (FRM) filter extracts from 15 South...
Impact of brown and clear carbon on light absorption enhancement, single scatter albedo and absorption wavelength dependence of black carbon
brown and clear carbon light absorption enhancement single scatter albedo black carbon
2010/8/12
The presence of clear coatings on atmospheric black carbon (BC) particles is known to enhance the magnitude of light absorption by the BC cores. Based on calculations using core/shell Mie theory, we d...
Light absorption by organic carbon from wood combustion
Light absorption organic carbon wood combustion
2010/2/21
Carbonaceous aerosols affect the radiative balance of the Earth by absorbing and scattering light. While black carbon (BC) is highly absorbing, some organic carbon (OC) also has significant absorption...
Reduction in biomass burning aerosol light absorption upon humidification: roles of inorganically-induced hygroscopicity, particle collapse, and photoacoustic heat and mass transfer
biomass burning aerosol light absorption humidification photoacoustic heat
2009/12/3
Smoke particle emissions from the combustion of biomass fuels typical for the western and southeastern United States were studied and compared under high humidity and ambient conditions in the laborat...
In situ aerosol optics in Reno, NV, USA during and after the summer 2008 California wildfires and the influence of absorbing and non-absorbing organic coatings on spectral light absorption
situ aerosol optics alifornia wildfires non-absorbing organic coatings spectral light absorption
2009/11/9
Hundreds of wildfires in Northern California were sparked by lightning during the summer of 2008, resulting in downwind smoke for the months of June and July. Comparisons are reported for aerosol opti...
Resonant Light Absorption by Semiconductor Quantum Dots
Light Absorption quantum wells Semiconductor Quantum Dots
2009/9/4
The cross-section of light absorption by size-quantized semiconductor quantum dots (QD) is calculated in the case of a resonance with an exciton Γ6×Γ7 in cubical crystals of Td class. The interference...
Attribution of aerosol light absorption to black carbon, brown carbon, and dust in China – interpretations of atmospheric measurements during EAST-AIRE
aerosol light carbon dust atmospheric measurements EAST-AIRE
2009/3/31
Black carbon, brown carbon, and mineral dust are three of the most important light absorbing aerosols. Their optical properties differ greatly and are distinctive functions of the wavelength of light....
Strong spectral dependence of light absorption by organic carbon particles formed by propane combustion
Strong spectral dependence light absorption organic carbon particles propane combustion
2009/1/13
We have measured the extinction and absorption cross sections of carbon particles emitted by a propane diffusion flame both in an aerosol chamber and on size-segregated samples deposited on optical wi...
Aerosol light absorption in the North Atlantic: trends and seasonal characteristics during the period 1989 to 2003
Aerosol light absorption the North Atlantic trends and seasonal characteristics
2009/1/8
Aerosol light attenuation on quartz fibre filters has been measured since February 1989 at the Mace Head Atmospheric Research station near Carna, Co. Galway, Ireland, using an Aethalometer. The freque...
Multiple scattering on coral skeletons enhances light absorption by symbiotic algae
Multiple scattering coral skeletons enhances light absorption symbiotic algae
2014/5/9
The success of symbiotic reef-building corals is largely determined by the efficiency with which they collect solar energy. Using thin coral laminae from the Caribbean scleractinian Porites branneri, ...
Light absorption by aquatic particles in the near-infrared spectral region
Light absorption aquatic particles near-infrared spectral region
2014/5/27
In this study, we used a special measurement geometry with samples placed inside the integrating sphere to address whether significant absorption by aquatic particles exists in the near-infrared (near...
Light absorption and size scaling of light-limited metabolism in marine diatoms
Light absorption size scaling light-limited metabolism marine diatoms
2014/5/30
Previous studies have found that the size-scaling exponent of metabolic rates in unicellular algae often deviates from the exponent of -1/4 usually found for heterotrophs. This study confirms a signif...