Results 11 to 20 of about 2,094,495 (266)

Polar Research turns 40

open access: yes, 2022
Among his varied Resistance activities during the Nazi occupation of Norway, Tore Gjelsvik co-edited an underground newspaper called Bulletinen (The Bulletin).
Helle V. Goldman, Goldman, Helle V.
core   +1 more source

Compounds with Polar Metallic Bonding

open access: yesCrystals, 2019
Recently, I witnessed a discussion amongst solid state chemists whether the term polar intermetallic bonding was necessary or dispensable, whether a conceptual discernation of this special class of intermetallic compounds was indicated or spurious [...]
Constantin Hoch
doaj   +1 more source

New Trends in Biopolymer-Based Membranes for Pervaporation

open access: yesMolecules, 2019
Biopolymers are currently the most convenient alternative for replacing chemically synthetized polymers in membrane preparation. To date, several biopolymers have been proposed for such purpose, including the ones derived from animal (e.g., polybutylene ...
Roberto Castro-Muñoz   +1 more
doaj   +1 more source

The polar sciences journal: the past and future of a crucial research instrument

open access: yes, 2022
Journals dedicated to the polar sciences have been outliers. Within both the history of science and the history of media, they stand out in several ways, including their comparatively late establishment of peer-review. It was not until the second half of
Gielas, Anna M.
core   +1 more source

Changes in pumpkin seed oil during heating

open access: yesGrasas y Aceites, 1995
Purified pumpkin seed oil was heated either continuously or intermittently for 10 hours at 180±5°C, and occurring changes were evaluated. Free fatty acids (FFA), peroxide value (PV), colour, polar compounds and viscosity increased, while iodine value and
Evangelos S. Lazos   +2 more
doaj   +1 more source

Tandem Solid-Phase Extraction Columns for Simultaneous Aroma Extraction and Fractionation of Wuliangye and Other Baijiu

open access: yesMolecules, 2021
Wuliangye baijiu is one of the most famous baijiu in China, with a rich, harmonic aroma profile highly appreciated by consumers. Thousands of volatiles have been identified for the unique aroma profile.
Zhanglan He   +7 more
doaj   +1 more source

Performance of Olive-Pomace Oils in Discontinuous and Continuous Frying. Comparative Behavior with Sunflower Oils and High-Oleic Sunflower Oils

open access: yesFoods, 2021
Frying performance of olive-pomace oils (OPOs) as compared to sunflower oils (SOs) and high-oleic sunflower oils (HOSOs) was studied in discontinuous frying (DF) and continuous frying (CF) for the first time.
Francisca Holgado   +3 more
doaj   +1 more source

A rapid method for determination of polar compounds in used frying fats and oils

open access: yesGrasas y Aceites, 2007
The determination of polar compounds by adsorption chromatography is the most accepted method for the analysis of used frying fats due to its high precision and accuracy. However, this method is expensive and time consuming.
S. Marmesat   +3 more
doaj   +1 more source

American Polar Society Symposium 2003 [PDF]

open access: yes, 2003
Women's Roles in Polar Regions: Past, Present, and Future. American Polar Society Symposium 2003. Byrd Polar Research Center, The Ohio State University, Columbus, Ohio, October 9-10, 2003.Byrd Polar Research Center, The Ohio State UniversityAmerican ...
Byrd Polar Research Center
core   +1 more source

A New Insight into the Evaluation of Used Frying Oils Based on the Kinetics of Chemical Changes during the Process

open access: yesFoods, 2023
Kinetics of change in total polar compounds (TPC), carbonyl value (CV), and conjugated diene value (CDV) were simultaneously investigated during the frying of potato strips in eight oil samples at 170 °C.
Seyed Mohammad Reza Moosavi   +1 more
doaj   +1 more source

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