Results 41 to 50 of about 112,522 (234)
Water Vapor in Carbon-rich AGB Stars from the Vaporization of Icy Orbiting Bodies [PDF]
We argue that the presence of water vapor in the circumstellar outflow of a carbon-rich AGB star is potentially a distinctive signature of extra-solar cometary systems. Detailed models show that at suitable distances from the star, water ice can survive well into the carbon-rich AGB phase; water vapor abundances as large as 10^-6 could result from the ...
arxiv +1 more source
Phase-Field Crystal Model with a Vapor Phase [PDF]
Phase-Field Crystal (PFC) models are able to resolve atomic length scale features of materials during temporal evolution over diffusive time scales. Traditional PFC models contain solid and liquid phases, however many important materials processing phenomena involve a vapor phase as well.
arxiv +1 more source
Parameters of Modular Microwave Vacuum Evaporators
Microwave energy facilitates evaporation, thus producing more solids of higher quality than other concentration methods and traditional evaporators. Despite its effectiveness, the food industry has no methods for industrial microwave evaporation.
Alexander V. Gavrilov, Yuriy B. Gerber
doaj +1 more source
Controllable Water Vapor Assisted Chemical Vapor Transport Synthesis of WS2-MoS2 Heterostructure [PDF]
The vapor phase synthesis of two-dimensional transition-metal dichalcogenides (MX2) and their heterostructures is often poorly reproducible and sensitive to uncontrolled environmental humidity. It was recently realized that water vapor can play important roles in the growth of MX2 by reacting with MX2 at high temperature to form volatile metal ...
arxiv +1 more source
Vapor flux on bumpy surfaces: condensation and transpiration on leaves [PDF]
Drop condensation and evaportation as a result of the gradient in vapor concentration are important in both engineering and natural systems. One of the interesting natural examples is transpiration on plant leaves. Most of water in the inner space of the leaves escapes through stomata, whose rate depends on the surface topography and a difference in ...
arxiv
Objective Sexual function preservation is a paramount concern for patients undergoing benign prostatic hyperplasia (BPH) surgery, increasingly recognized by physicians. Blue laser vaporization, a novel approach for BPH treatment, has yet to be thoroughly
Zun-Jie Hu+7 more
doaj +1 more source
Electric-field-induced change of alkali-metal vapor density in paraffin-coated cells [PDF]
Alkali vapor cells with antirelaxation coating (especially paraffin-coated cells) have been a central tool in optical pumping and atomic spectroscopy experiments for 50 years. We have discovered a dramatic change of the alkali vapor density in a paraffin-coated cell upon application of an electric field to the cell.
arxiv +1 more source
The evaporation/decomposition behavior of the ionic liquid 1-butyl-3-methylimidazolium chloride (BMImCl) was studied with various techniques, such as thermogravimetry (TG), Knudsen effusion mass loss (KEML), and Knudsen effusion mass spectrometry (KEMS),
Bruno Brunetti+6 more
doaj +1 more source
Degree of vaporization using an airblast type injector for a premixed-prevaporized combustor [PDF]
Vaporization data that could be useful in designing premixed-prevaporized fuel preparation systems for gas turbine combustors are presented. The effect of the experimental parameters on vaporization was found to be E = T sub in tau 0.18 (V sub ref + 38) (
Tacina, R. R.
core +1 more source
An analysis of the R134a (tetrafluoroetane) coolant’s non-stationary behavior in rectangular microchannels was conducted with the help of a newly proposed miniature refrigerating machine of our own design and construction.
Ioan Mihai+2 more
doaj +1 more source