نتایج جستجو برای: clapeyron
تعداد نتایج: 306 فیلتر نتایج به سال:
Abstract The sensitivity of coarse‐grained daily extreme precipitation to sea surface temperature is analyzed using satellite estimates over the 300–302.5 K range. A theoretical scaling proposed, linking changes in fine‐scale hourly area fraction and conditional rates. analysis reveals that with (∼7%/K) dominated by precipitating (∼6.5%/K) when a 3 mm/h threshold delineate fraction. These resul...
We present a thermodynamic model which explains the presence of negative slope in melt curve, as observed systems diverse alkali metals and molecular hydrogen at high pressure. assume that components system can be one two well defined states - associated with low energy, other volume. The exhibits number measurable features are also these therefore expected to all Clapeyron-slope systems: first...
The objective of this study is to determine the analytic expressions Helmholtz free energy, equilibrium vacancy concentration, melting temperature, jumps volume, enthalpy mean nearest neighbor distance and entropy at point, Debye temperature for BCC defective, limiting absolute stability crystalline state, perfect binary interstitial alloy. results obtained from are combined with statistical mo...
Prediction of adsorption isotherms under different temperatures is significant to reserve estimation shale gas reservoirs. Based on the Polanyi potential theory and Langmuir theory, a method was presented predict at temperatures. In this method, relationship between pressure temperature quantified. By utilizing we predicted Longmaxi from 45 °C 120 according experimental data 30 °C. Meanwhile, b...
High-pressure hydrogenation behaviors of pure metals have not been investigated extensively, although intense research reactions under high pressure has conducted to find novel functional hydrides. The former provides us with valuable information for the high-pressure synthesis A pressure–temperature phase diagram Ta–H system determined using in situ synchrotron radiation X-ray diffraction tech...
Dry ground meat is a cooked product. It popular product in Central Anatolian Region of Turkey. Calf plate or flank meats and intermuscular fats are used the production dry meat. In this study, sorption isotherms were determined using nine different salt solutions (0.1-0.9 aw) having relative humidity values at 5, 15 25°C. From experimental data obtained, it was found that had Type-II characteri...
volumetric techniques were employed to study the adsorption of co2 on a purified multi-wall carbon nanotubes (mwnt’s) sample, as a mesoporous material, at isothermal conditions of 288, 293 and 298 k and pressures ranging from 30 to 150 kpa. langmuir, freundlich and sips equations were used to represent the isotherms. also the parameters of these fitted isotherm models have been determined. the ...
moisture sorption isotherms for pistachio powder were determined by gravimetric method according to cost 90 project at temperatures of 15, 25, 35, and 40oc . maximum hysteresis level in sorption isotherms curve was observed at the range of water activity 0.2-0.7 . on the other hand hysteresis was diminished between adsorption-desorption isotherm curves when temperature reached 40oc. some mathem...
in this research, moisture sorptions of sayer date were determined at 20, 30, 40 and 60°c, using the standard static gravimetric method developed by the european cooperation project cost 90. several mathematical models, namely gab, bet, iglesias & chirif and halsey were employed to fit the experimental data through non-linear regression. results indicate that equilibrium moisture content increa...
Hourly precipitation extremes can intensify with temperature at higher rates than expected from thermodynamic increases explained by the Clausius-Clapeyron (CC) relationship (∼6.5%/K), but local scaling surface air is highly variable. Here we use daily dew point temperature, a direct proxy of absolute humidity, to estimate at-gauge across six macro-regions for global data set over 7,000 hourly ...
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