Results 21 to 30 of about 62,388 (262)

Study on Hydrate Phase Equilibrium Diagram of Methane Containing System Based on Thermodynamic Model

open access: yesFrontiers in Energy Research, 2021
Natural gas hydrate is a potential energy source in the future, which widely occurs in nature and industrial activities, and its formation and decomposition are identified by phase equilibrium.
Hao Liang   +5 more
doaj   +1 more source

THERMODYNAMIC PROPERTIES OF TAMARIND SEEDS (Tamarindus indica L.) [PDF]

open access: yesEngenharia Agrícola, 2020
Tamarind is used in the food and pharmaceutical industry, and its seed is the main means for the reproduction of this species, thus justifying studies that ensure its post-harvest viability.
Weder N. Ferreira Junior   +4 more
doaj   +2 more sources

Carbonyl Emissions in E-cigarette Aerosol: A Systematic Review and Methodological Considerations

open access: yesFrontiers in Physiology, 2018
Carbonyl emissions from tobacco cigarettes represent a substantial health risk contributing to smoking-related morbidity and mortality. As expected, this is an important research topic for tobacco harm reduction products, in an attempt to compare the ...
Konstantinos E. Farsalinos   +3 more
doaj   +1 more source

Comparison of modified alpha functions of the PR-EoS for volume and enthalpy prediction of natural gases [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
Proper simulation of processes of the natural gas industry such as dehydration, liquefaction and regasification require accurate prediction of thermodynamic properties of the working fluids.
ANDRÉ F. GONÇALVES   +2 more
doaj   +1 more source

Bayesian Statistical Mechanics: Entropy-Enthalpy Compensation and Universal Equation of State at the Tip of Pen

open access: yesFrontiers in Physics, 2018
This work has shown the way to put the formal statistical-mechanical basement under the hotly debated notion of enthalpy-entropy compensation. The possibility of writing down the universal equation of state based upon the statistical mechanics is ...
Evgeni B. Starikov, Evgeni B. Starikov
doaj   +1 more source

Increased bone calcium dissociation in lead-exposed rats

open access: yesUniversa Medicina, 2015
BACKGROUND Lead is still a major environmental and occupational health hazard, since it is extensively used in the production of paints, gasoline and cosmetics.
Eko Suhartono   +5 more
doaj   +1 more source

Modeling of Heat Stress in Sows Part 2: Comparison of Various Thermal Comfort Indices

open access: yesAnimals, 2021
Heat stress has an adverse effect on the production performance of sows, and causes a large economic loss every year. The thermal environment index is an important indicator for evaluating the level of heat stress in animals.
Mengbing Cao   +5 more
doaj   +1 more source

Air Enthalpy as an IAQ Indicator in Hot and Humid Environment—Experimental Evaluation

open access: yesEnergies, 2020
The authors studied the impact of indoor air humidity in the range of 60% to 90% on building user perception in the temperature range of 26 to 28 °C.
Michał Piasecki   +3 more
doaj   +1 more source

Criteria ruling particle agglomeration

open access: yesBeilstein Journal of Nanotechnology, 2021
Most of the technically important properties of nanomaterials, such as superparamagnetism or luminescence, depend on the particle size. During synthesis and handling of nanoparticles, agglomeration may occur.
Dieter Vollath
doaj   +1 more source

Some empirical correlations between the thermodynamic properties of hydrogen cyanide, water and acetylene molecules and their infrared spectra [PDF]

open access: yesTrakia Journal of Sciences, 2018
A new method for calculating vibrational modes in the infrared region of the spectrum is proposed. The method is based on the thermodynamic parameters of the molecules- standard molar Gibbs free energy change of molecular formation ΔGf0 (kJ/mol ...
A. Atanasov
doaj   +1 more source

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