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evaporation rates

Evaporation rates of pure liquids measured using a gravimetric technique

Evaporation rates of pure liquids measured using a gravimetric technique

... The apparatus for measurement of the evaporation rates is shown in Fig. 1. The liquid sample is contained in a cylin- drical glass sample tube (inner diameter 17.8 mm, outer diam- eter 21 mm) suspended from ...

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Evaporation rates of structured and non structured liquid mixtures

Evaporation rates of structured and non structured liquid mixtures

... Evaporation rates are of interest from a number of viewpoints including assessment of hazards arising from the spillage of volatile liquids, drying processes, release of volatile active components such as ...

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Variable wind speed and evaporation rates: a practical and modelling exercise for high school physics and multi-strand science classes

Variable wind speed and evaporation rates: a practical and modelling exercise for high school physics and multi-strand science classes

... of evaporation rates in real-world environments such as agricultural dams and drinking water ...how evaporation measurements can be made and compared with modelled data to verify their accuracy by ...

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Estimate of the evaporation rates from Pyrenean reservoirs

Estimate of the evaporation rates from Pyrenean reservoirs

... La Tabla 3 muestra un resumen para cada uno de los embalses estudiados indicando los valores anuales de evaporación por unidad de superficie, pérdida anual por evaporación y lo que repre[r] ...

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Climate Change and Impact on Water Resources

Climate Change and Impact on Water Resources

... and evaporation rates; higher proportions of winter precipitation arriving as rain, not snow; earlier and more severe summer drought, and decreased water ...

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Effects of climatic seasonality on the isotopic  composition of evaporating soil waters

Effects of climatic seasonality on the isotopic composition of evaporating soil waters

... in evaporation rates on residual liquid composition, we represented the evaporation-to-precipitation fraction (the variable x) by si- nusoidal cycles with different amplitudes and ...

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Controls on surface soil drying rates observed by SMAP and simulated by the Noah land surface model

Controls on surface soil drying rates observed by SMAP and simulated by the Noah land surface model

... suggests evaporation from the surface satisfies only a small fraction of the atmospheric ...scale, evaporation is highly water-limited; (2) most plant roots are deeper than ∼ 5 cm, so transpiration draws ...

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Capillary rise quantifications based on in situ artificial deuterium peak displacement and laboratory soil characterization

Capillary rise quantifications based on in situ artificial deuterium peak displacement and laboratory soil characterization

... between evaporation rates and water level depth based on natural isotopic profile estimates, but it was lower than every estimate established using integration of the van Genuchten closed-form functions for ...

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Determining the Uncertainty of Evaporation from Reservoir by Considering the Climate Change Conditions (Case Study: Dez Dam Reservoir)

Determining the Uncertainty of Evaporation from Reservoir by Considering the Climate Change Conditions (Case Study: Dez Dam Reservoir)

... Given Fig. 8 the distributions with a wide range suggest that the evaporation rates vary greatly in different days, which according to equation (6) represents the higher standard deviation (S). The greater ...

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On the effect of the atmosphere on the evaporation of sessile droplets of water

On the effect of the atmosphere on the evaporation of sessile droplets of water

... the evaporation rates of sessile droplets in atmospheres of three different am- bient gases at reduced pressure using four different substrates with a wide range of thermal ...the evaporation rate ...

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Water Pollution by Surfactants: Fluctuations Due to Tourism Exploitation in a Lagoon Ecosystem

Water Pollution by Surfactants: Fluctuations Due to Tourism Exploitation in a Lagoon Ecosystem

... evaportaton rates among sampling sta- tions and between winter and summer seasons and were evaluated, in this study, using water salinity as possible factor affecting samples ...to evaporation rates ...

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Modelling hourly rates of evaporation from small lakes

Modelling hourly rates of evaporation from small lakes

... lake evaporation, the relationships between the hourly evaporation rates over water and several meteoro- logical variables were ...unlike evaporation from land surfaces, the hourly open water ...

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Evaporation from weighing precipitation gauges: impacts on automated gauge measurements and quality assurance methods

Evaporation from weighing precipitation gauges: impacts on automated gauge measurements and quality assurance methods

... affect evaporation rates (Sevruk, 1974; Golubev et ...higher evaporation rates as the in- ternal moisture (internal reservoir and walls) is more ex- posed to the ...gauge evaporation ...

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The effect of the thermal conductivity of the substrate on droplet evaporation

The effect of the thermal conductivity of the substrate on droplet evaporation

... An investigation into the effect of an atmosphere of nitrogen on the evapora- tion of pinned sessile droplets of water has been described. The experimental work investigated the evaporation rates of sessile ...

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UTILIZATION OF GREENHOUSE EFFECT TO ENHANCE EVAPORATIVE COOLING

UTILIZATION OF GREENHOUSE EFFECT TO ENHANCE EVAPORATIVE COOLING

... cooling, evaporation occurs inside a heat exchanger and the water content of the cooled air remains ...high evaporation rates might increase relative humidity and create discomfort, direct ...

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Tetrathiotetracene thin film morphology and electrical properties

Tetrathiotetracene thin film morphology and electrical properties

... and 363 ng∙cm -2 ∙s -1 were used. Finally, the top Al electrodes were deposited the same way as gold under the same pumping cycle. Substrate temperature was controlled by a Peltier element built into the sample holder. ...

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Potential evaporation at eddy covariance sites across the globe

Potential evaporation at eddy covariance sites across the globe

... We include two different approaches to identify a subset of measurements per eddy-covariance site in which the ecosys- tem was unstressed and provide the results for both methods. A first approach is based on soil ...

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Stream recession curves and storage variability in small watersheds

Stream recession curves and storage variability in small watersheds

... and evaporation are likely to be ...flow rates when the recession timescale τ = − Q/ Q ˙ is 1 day or less (Rupp and Selker, 2006a; Rupp and Woods, ...

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PHARMACEUTICAL STANDARDIZATION OF MULAKA KSHARA: AN AYURVEDIC PREPARATION

PHARMACEUTICAL STANDARDIZATION OF MULAKA KSHARA: AN AYURVEDIC PREPARATION

... In Table 6 & 7 shows shows time, temperature and reduction in water level during evaporation of Ksharajala. 1287ml Ksharajala of all the samples was evaporated within 1.08hrs. The minimum temperature was ...

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A new top boundary condition for modeling surface diffusive exchange of a generic volatile tracer: theoretical analysis and application to soil evaporation

A new top boundary condition for modeling surface diffusive exchange of a generic volatile tracer: theoretical analysis and application to soil evaporation

... water evaporation for example, both theoretical and ex- perimental studies indicate there are often two evaporation stages ...potential evaporation rate, which is determined by atmospheric ...

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