«vapor»
۴۰٬۹۳۱ نتیجهDetection and Measurement of Middle Distillate Fuel Vapors Using Tunable Diode Lasers
A sensor for rapid (10 msec response time) measurement of vapors from the hydrocarbon-based fuels JP-8, DF-2, and gasoline is described. The sensor is based upon a previously reported laser mixing technique that uses two tunable diode lasers emitting in the near-infrared spectral
Dynamics of a vapor bubble near a thin elastic plate
Numerical and experimental results show that during the collapse phase of a vapor bubble near a rigid boundary, in the absence of strong buoyancy forces, a liquid micro jet is developed on the side of the bubble far from the rigid surface and directed towards it. Numerical and ex
The Penetration of Vesicant Vapors into Human Skin
Analytical methods which are accurate to about 1 per cent have been developed for the determination of small amounts (ca. 500 gamma) of bis(beta-chloroethyl)-sulfide (H), ethyl-bis(beta-chloroethyl)amine (EBA), tris(beta-chloroethyl)amine (TBA), beta-chloroethyl-benzylsulfide (be
Numerical Analysis of Coupled Water, Vapor, and Heat Transport in the Vadose Zone
Vapor movement is often an important part in the total water flux in the vadose zone of arid or semiarid regions because the soil moisture is relatively low. The twomajor objectives of this study were to develop a numerical model in the HYDRUS-1D code that (i) solves the coupled
Isotherm Equation for Water Vapor Adsorption onto Activated Carbon
A simple isotherm model has been developed for the type-5 equilibrium adsorption systems by considering the effects of both primary and secondary adsorptive sites. The model was applied to interpret experimental data describing water vapor adsorption capacities of four activated
ISOTHERM EQUATION FOR WATER VAPOR ADSORPTION ONTO ACTIVATED CARBON By Shaoying Qi/
A simple isotherm model has been developed for the type-5 equilibrium adsorption systems by considering the effects of both primary and secondary adsorptive sites. The model was applied to interpret experimental data describing water vapor adsorption capacities of four activated
Brownfield Vapor Barriers: Chemical Compatibility, Testing, and Advances in Materials Science
A new composite membrane system, Geo-SealTM, has been developed that offers exceptional chemical resistance for use as a vapor barrier at brownfield sites. Data generated in controlled laboratory conditions indicate the composite membrane to have < 0.2X the volatile organic compo
Evaluation of Vapor Intrusion from a Subsurface Diesel Plume Using M ultiple Lines of Evidence
Vapor intrusion from affected soils and groundwater into overlying structures has been identified as a potential mechanism for human exposure to volatile organic chemicals (VOCs), including petroleum hydrocarbons. However, in many cases, background concentrations of organic vapor
CH31 vapor etching of masked and patterned GaAs
CH3I vapor etching of masked and patterned GaAs substrates has been experimentally investigated. For GaAs samples masked with silicon nitride stripes that are wider than 30 tzm, the etch depth increased compared to unmasked samples, the magnitude of which increased with increasin
Tropospheric Water Vapor and Climate Sensitivity
Estimates are made of the effect of changes in tropospheric water vapor on the climate sensitivity to doubled carbon dioxide (CO2), using a coarse resolution atmospheric general circulation model coupled to a slab mixed layer ocean. The sensitivity of the model to doubled CO2 is