Water diffusivity estimation in air-dried complex-shaped foods by the method of slopes: Application to oblate spheroid geometryDiffusion coefficientPSR-methodMass transferShrinkageWater diffusivity is an important parameter for designing convective drying processes, as it is instrumental for determining the ...
We have determined the isotope effects of 17O and 18O substitution of 16O in H2O on molecular diffusivities of water vapor in air by the use of evaporation experiments. The derived diffusion fractionation coefficients 17αdiff and 18αdiff are 1.0146 ± 0.0002 and 1.0283 ± 0.0003...
摘要: The thermal diffusivity of an air dried sample of GE‐7031 varnish has been measured by the temperature wave method at 85 and 300 K. The thermal conductivity under steady‐state conditions was also measured and the results are compared with those of literature....
aGo water horses, Brady 去水马, Brady[translate] aopportubities. opportubities。[translate] aIN CASE OF SEA SHIPMENT & 03 DAYS OF EXECUTION DATE IN CASE OF AIR SHIPMENT. 在海发货& 03天执行日期的情况下在空气发货的情况下。[translate] ...
as well asthermal diffusivityofair,nitrogenandpropane. Water thermal diffusivity at atmospheric pressure, temperature given as °C or °F: . Water thermal diffusivity at 1, 10 and 100 bara (14.5, 145 and 1450 psia) pressure, temperature given as °C or °F: ...
The mechanism of drying and the diffusion of water in green (fresh), red and whole lentils (4.20–4.32 mm diameter and 2.20–2.30 mm thickness) were successfully interpreted and modelled by using Fick's law. The moisture content of fresh green lentil was 55 % and moisture content of the ...
Metal/oxygen cells such as zinc/air cells are provided with optimum active life characteristics by interposing, on the air side of the cell, an oxygen diffusivity-limiting membrane, such as, for example, sintered polytetrafluoroethylene, so that no more oxygen is received than is needed for the...
Carefully chosen numerical values for the viscosity and thermal conductivity of air and diffusivity of water vapor in air are tabulated for temperatures from 20C to +4OC and for a pressure of 1000 mb. A summary of physical constants rela... RB Montgomery - 《Journal of the Atmospheric Sciences...
Abbreviations: WLR, water-induced linear reductionGas diffusion in soil is governed by the gas diffusion coefficient (D-p) and its variation with air-filled porosity (epsilon). Accurate or an upper-limit (risk assessment standpoint) prediction of D-p(epsilon) is essential when carrying out gas...