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of the intensity of stimulated emission in indirect band- gap Al x Ga1− x As and shows the optimum AlAs mole fraction for semiconductor laser application. Appl. Phys. A 53, 198-202 (1991) Physics A Surfaces "' © ...
Stimulated emission in indirect band- gap Al ( x ) Ga ( 1 - x )As is observed at room temperature. This indirect stimulated emission is based on alloy-disorder induced zero-phonon band-to-band transitions ...
the hot CGM mass fraction and its temperature. Those two probes are complimentary tracers of the hot gas because they depend differently on density and temperature; X -ray emission depends mainly ...
or asymmetries, and the supposed existence of planets triggering these structures. The observation of N dark rings of emission is often interpreted as evidence for the presence of N planets which clear dust gaps ...
and gas industries, which are used to make plastics, are the main sources of GHG emissions . Plastic manufacturing is also a high source of emissions , as is all manufacturing, and its rate of contribution ...
productivity are better predictors of emission . The construction and operation of over 1 million dams globally (Lehner et al . 2011) has provided a variety of services important to a growing human population (e.g ...
. Download: PPT PowerPoint slide PNG larger image TIFF original image Fig 1 . Experimental set-up of helium microplasma jet to measure voltage and current measurements, and optical emission spectroscopy ...
., 2014; Lesk et al ., 2016). On the other hand, agricultural soil is an important source of non-CO2 greenhouse gas emission (N2O and CH4) because huge amounts of fertilizer are being used to increase crop ...
introduced when transferring measurements to emission factor unit in g/kg-clinker: flue- gas volume is 2.47 m3/kg-clinker (Wu [79]); average clinker to cement ratio is 0.72 (Lei et al . [15]); average coal ...
with increasing thinning intensity. The reduction in CO2 emissions in both thinning treatments was possibly related to an indirect effect of soil heterotrophic and autotrophic respiration. Coniferous peri-urban ...
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