نتایج جستجو برای: ambient atmosphere
تعداد نتایج: 103116 فیلتر نتایج به سال:
Effect of annealing on the efficiency of ambient-atmosphere fabricated MAPbI3 perovskite solar cells
Most audio recordings are in the form of a 2-channel stereo recording while new playback sound systems make use of more loudspeakers that are designed to give a more spatial and surrounding atmosphere that is beyond the content of the stereo recording. Hence, it is essential to extract more spatial information from stereo recording in order to reach an enhanced upmixing techniques. One way is b...
OVERVIEW Electromagnetic radiation extends over a very broad range of wavelengths, from gamma rays at the shortest wavelengths to radio waves at the long-wavelength end of the spectrum. In terms of photon energies, gamma rays are at the high end of the spectrum, starting at a few tenths of an MeV. This unit of energy (1 MeV=1.6×10 −13 joule) is used throughout this article. In solar flares, as ...
The morphology and density of black carbon (BC) cores in internally mixed BC (In-BC) particles affect their mixing state and absorption enhancement. In this work, we developed a new method to measure the morphology and effective density of the BC cores of ambient In-BC particles using a single-particle soot photometer (SP2) and a volatility tandem differential mobility analyzer (VTDMA) during t...
Black carbon (BC) is a short term climate forcer that directly warms the atmosphere, slows convection, and hinders quantification of the effect of greenhouse gases on climate change. The atmospheric lifetime of BC particles with respect to nucleation scavenging in clouds is controlled by their ability to serve as cloud condensation nuclei (CCN). To serve as CCN under typical conditions, hydroph...
In this study we investigated the impact of water uptake by aerosol particles in ambient atmosphere on their optical properties and their direct radiative effect (ADRE, W m−2) in the Arctic at Ny-Ålesund, Svalbard, during 2008. To achieve this, we combined three models, a hygroscopic growth model, a Mie model and a radiative transfer model, with an extensive set of observational data. We found ...
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