Results 21 to 30 of about 25,592 (237)

Adsorption isotherms and isosteric heat in Coffea arabica beans

open access: yesPesquisa Agropecuária Tropical, 2019
The knowledge of the adsorption hygroscopic equilibrium in coffee is pertinent for the adequacy of its storage, thus ensuring the quality of the product to the end consumer. The present study aimed to determine the adsorption isotherms of Arabica coffee (
Samuel Gonçalves Ferreira dos Santos   +4 more
doaj   +1 more source

MOISTURE SORPTION ISOTHERMS OF QUINOA SEEDS: THERMODYNAMIC ANALYSIS [PDF]

open access: yesEngenharia Agrícola, 2018
The present research aimed to study the water sorption behavior of quinoa seeds analyzing the hysteresis phenomenon and determining thermodynamic properties. Static gravimetric technique was used to obtain the equilibrium moisture content of quinoa seeds
Jaime D. Bustos-Vanegas   +4 more
doaj   +2 more sources

Cloud condensation nucleus (CCN) behavior of organic aerosol particles generated by atomization of water and methanol solutions [PDF]

open access: yes, 2006
Cloud condensation nucleus (CCN) experiments were carried out for malonic acid, succinic acid, oxalacetic acid, DL-malic acid, glutaric acid, DL-glutamic acid monohydrate, and adipic acid, using both water and methanol as atomization solvents, at three ...
Flagan, R. C.   +6 more
core   +5 more sources

Measurements of the Sensitivity of Aerosol Hygroscopicity and the kappa Parameter to the O/C Ratio [PDF]

open access: yes, 2013
We report measurements of the subsaturated hygroscopic growth of aerosol particles composed of single organic components of varying oxygen-to-carbon ratio up to relative humidities approaching saturation using the techniques of aerosol optical tweezers ...
Aiken A. C.   +94 more
core   +2 more sources

Importance of composition and hygroscopicity of BC particles to the effect of BC mitigation on cloud properties: Application to California conditions [PDF]

open access: yes, 2012
Black carbon (BC) has many effects on climate including the direct effect on atmospheric absorption, indirect and semi-direct effects on clouds, snow effects, and others.
Adams, Peter   +6 more
core   +1 more source

Prospects of Scintillating Crystal Detector in Low-Energy Low-Background Experiments [PDF]

open access: yes, 2000
Scintillating crystal detector offers potential advantages in low-energy (keV-MeV range) low-background experiments for particle physics and astrophysics. The merits are discussed using CsI(Tl) crystal as illustrations.
Alarja   +62 more
core   +3 more sources

Modification of hemp shiv properties using water-repellent sol–gel coatings [PDF]

open access: yes, 2018
For the first time, the hydrophilicity of hemp shiv was modified without the compromise of its hygroscopic properties. This research focused on the use of sol–gel method in preparation of coatings on the natural plant material, hemp shiv, that has ...
Calabria-Holley, Juliana   +3 more
core   +3 more sources

Hygroscopic expansion of bulk fill composites: A three-month report

open access: yesBrazilian Dental Science, 2018
Polymer networks are considered to be largely affected by water and chemical absorption from environment. Objective: The aim of this study was to evaluate the hygroscopic expansion of bulk-fill composite.
Elham Hasani   +4 more
doaj   +1 more source

Moisture sorption isotherms of sunflower seeds: Thermodynamic analysis

open access: yesCiência e Agrotecnologia
The study of the thermodynamic properties provides the knowledge of the sorbent affinity by the water and the spontaneity of the sorption process, important to design drying equipment and to predict hygroscopic behavior during storage. This work aimed to
Renata Cássia Campos   +4 more
doaj   +1 more source

Briquettes of Sugarcane Bagasse and Eucalyptus spp Sawdust: Characterization and Hygroscopic Equilibrium

open access: yesRevista Virtual de Química, 2017
Univ Fed Sao Carlos, Dept Ciencias Ambientais, Rodovia Joao Leme dos Santos,Km 110,SP 264, Sorocaba, SP ...
Alo, Livia L.   +7 more
openaire   +2 more sources

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