Results 11 to 20 of about 1,607,599 (267)

Investigation of Operating Parameters on Ultrasound-Assisted Extraction of Anethole in Fennel Essential Oil [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2021
In this paper, the operational impact of three parameters including power of ultrasonic apparatus, size of fennel seeds and experiment time on the extraction yield of Anethole, which is the main considerable component in fennel essential oil and its ...
Seyed Mohsen Mirdehghan Ashkezari   +4 more
doaj   +2 more sources

Extraction of Fennel Essential Oil Constituents Using a New Modified Rotating Disc Contactor [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
This paper presents a new application of the Rotating Disc Contactor as an extractor of essential oil from a medicinal plant. Its capability for a solid-liquid extraction was tested.
Mohammad Mohammadi   +2 more
doaj   +1 more source

Estimation of Diffusion Coefficient of Benzene/Hexane Mixtures by Molecular Dynamics Simulation [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2023
Molecular dynamics simulations have been performed in this study to predict the diffusion coefficient of benzene in hexane and vice versa by Materials Studio software.
Morteza Moradi   +3 more
doaj   +1 more source

The fouling in the crude distillation preheat train of Algerian reffinery [PDF]

open access: yesActa Periodica Technologica, 2022
Fouling in crude distillation unit preheat train in petroleum refineries is a complex phenomenon. Besides, fouling of equipment by crude oil undergoes different mechanisms at different stages of preheating.
Harche Rima, Mouheb Abdelkader
doaj   +1 more source

Modeling and Optimization of Anethole Ultrasound-Assisted Extraction from Fennel Seeds using Artificial Neural Network [PDF]

open access: yesJournal of Chemical and Petroleum Engineering, 2020
Extraction of essential oils from medicinal plants has received researcher’s attention as it has a wide variety of applications in different industries.
Hojatollah Moradi   +4 more
doaj   +1 more source

Prediction of the Bicarbonate Amount in Drinking Water in the Region of Médéa Using Artificial Neural Network Modelling [PDF]

open access: yesKemija u Industriji, 2020
The region of Médéa (Algeria) located in an agricultural site requires a large amount of drinking water. For this purpose, the water analyses in question are imperative.
Hichem Tahraoui   +2 more
doaj   +1 more source

Shielding effectiveness measurements and uncertainty estimation for textiles by a VNA-based free space transmission method [PDF]

open access: yesInternational Journal of Metrology and Quality Engineering, 2013
A free-space transmission method has been used for reliable shielding effectiveness measurement of the easily available textile materials. Textiles with three different yarn densities were studied for their shielding effectiveness ...
Patel S.M.   +3 more
doaj   +1 more source

Estimation of predictive potential of El Nino (La Nina) for long-term precipitation forecast in Iraq [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2022
The El Nino- Southern Oscillation (ENSO) phenomenon is the most important form of tropical climate change. By modifying the distribution of rainfall and temperatures, it sometimes engenders devastating effects in many tropical regions and even in high ...
Mohanad Ismael Khalbas Albw Jbianah
doaj   +1 more source

On the Incommensurability Phenomenon [PDF]

open access: yesJournal of Classification, 2016
Suppose that two large, multi-dimensional data sets are each noisy measurements of the same underlying random process, and principle components analysis is performed separately on the data sets to reduce their dimensionality. In some circumstances it may happen that the two lower-dimensional data sets have an inordinately large Procrustean fitting ...
Donniell E. Fishkind   +3 more
openaire   +3 more sources

La Shahrazad fantasmática: distorsión y traducción de las «Mil y una noches» en el ámbito hispano

open access: yesHermeneus, 2021
We may intuitively be aware of certain representations of literary works, active in collective imaginaries. Some of these representations leave traces in Spanish language newspapers, which, concerning One Thousand and ...
Salvador Peña Martín
doaj   +1 more source

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