نتایج جستجو برای: some gases
تعداد نتایج: 1350999 فیلتر نتایج به سال:
Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Metrics for comparing greenhouse gases are analyzed, with a particular focus on the Integrated Temperature Change Potential (IGTP) following a call from IPCC to investigate this metric. It is shown that GWP and IGTP are...
In this talk I will overview some of our recent results on non-linear phenomena in two different physical scenarios: polar gases and quantum gases in the presence of artificial electromagnetism. In the first part I will discuss novel phenomena in polar gases, including the peculiar nature of Faraday patterns in dipolar condensates, the formation of Schrdinger cats in three-well systems, and nov...
By rotating two-component fermionic atom gases in uniform magnetic field, a similar physical situation with de Haas-van Alphen effect is constructed. We calculate magnetic moment of the system and find that owing to an existence of effective magnetic field coming from the rotation, the magnetic moment also shows the oscillatory behavior about magnetic field, but it is completely different from ...
Use of energetic plasticizer, N-Butyl-N-(2-Nitroxyethyl) Nitramine (BuNENA), in the propellants’ formulations, has some advantages such as not migration in the fuel, high thermal stability, low sensitivity of the propellant formulation, improvement in mechanical properties and raising the impulse due to light molecular weight of combustion gases. In this study two acidic ionic liquids ([(...
The possibilities and limits of pyrolysis as a means of recycling plastic rich fractions derived from discarded phones have been studied. Two plastic rich samples (⩾80wt% plastics) derived from landline and mobile phones provided by a Spanish recycling company, have been pyrolysed under N2 in a 3.5dm3 reactor at 500°C for 30min. The landline and mobile phones yielded 58 and 54.5wt% liquids, 16....
Introduction Climate change and global warming have drawn worldwide attention in the new century. Concern about possible global warming and the controversy over the claim that it is mainly caused by the greenhouse effect provide motivation for better understanding the mathematics, physics, and chemistry of greenhouse gases. The molecules of these gases trap heat in the form of infrared radiatio...
Though the Kyoto Protocol concerns six greenhouse gases, most appraisals in the past have focused exclusively on CO2. But it is now acknowledged that, at least for some countries, there is an important potential of abating non-CO2 greenhouse gases with a relatively low cost. It is then the topic of the paper to present a multi-gas assessment of the Kyoto Protocol and to compare the results with...
A thermodynamic model has been developed to calculate burning speed and entropy production of transient expending spherical laminar flame in an enclosed vessel. The model also predicts the particle trajectories of both unburned and burned gases in the vessel. The input to this model is the dynamic pressure rise due to combustion process. The unburned gases are divided into three regions: The co...
We consider ballistic aggregation equation for gases in which each particle is identified either by its mass and impulsion or by its sole impulsion. For the constant aggregation rate we prove existence of self-similar solutions as well as convergence to the self-similarity for generic solutions. For some classes of mass and/or impulsion dependent rates we are also able to estimate the large tim...
Sympathetic cooling of trapped fermionic gases [1] is likely to lead to the creation of degenerate Fermi gases in the near future. In magnetic traps, the fermion’s spin is locked to the field direction. However the advent [2,3] of optical traps holds the promise of degenerate Fermi gases with unquenched spins and hence a variety of nonideal Fermi gases. Already there has been some discussion of...
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