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The Influence of Elevated Oxygen Input and LED Lighting on the Bioactive Compounds Profile of Lactuca sativa L. cultivars ‘Carmesi’ and ‘Lugano’ [PDF]

open access: yesFoods
Enhancing bioactive compounds with antioxidant activities has always been a pursuit of growers in the hydroponic production of lettuce in greenhouses with artificial lighting.
Augustina Sandina Tronac   +6 more
doaj   +2 more sources

MINERALOGY OF THE VORONTSOVSKOE GOLD DEPOSIT (NORTHERN URALS). PART 4: OXYSALTS [PDF]

open access: yesМинералогия, 2021
This is a final paper in a series of publications devoted to the mineralogy of the Vorontsovskoe gold deposit in the Northern Urals. The article reports on oxygen compounds (oxyhalides, oxides, hydroxides, carbonates, sulfates, tungstates, phosphates ...
A.V. Kasatkin   +8 more
doaj   +1 more source

Synthesis and characterization of oxygen-containing imidazo[1,2-d][1,2,4]oxadiazole fused-ring energetic compounds

open access: yesEnergetic Materials Frontiers, 2022
Oxygen plays an important role in improving the oxygen balances and densities of energetic compounds. In this study, a series of oxygen-containing imidazo[1,2-d][1,2,4]oxadiazole building block-based energetic compounds (3–8) were synthesized and fully ...
Hui Dou   +3 more
doaj   +1 more source

1,4,6,10-Tetraazaadamantanes (TAADs) with N-amino groups: synthesis and formation of boron chelates and host–guest complexes

open access: yesBeilstein Journal of Organic Chemistry, 2022
A synthetic route to 1,4,6,10-tetraazaadamantanes (TAADs) bearing free and protected amino groups at the bridge N-atoms has been developed via intramolecular cyclotrimerization of C=N units in the corresponding tris(hydrazonoalkyl)amines.
Artem N. Semakin   +3 more
doaj   +1 more source

Metabolomic fingerprinting based on network analysis of volatile aroma compounds during the forced aging of Huangjiu: Effects of dissolved oxygen and temperature

open access: yesFrontiers in Nutrition, 2023
IntroductionHuangjiu is an important Chinese alcoholic beverage, usually prepared from rice. Although its unique flavor improves with prolonged storage in traditional pottery jars, knowledge of the aging mechanism, necessary for commercialization of an ...
Na Wang   +4 more
doaj   +1 more source

ANALYSIS AND IDENTIFICATION OF OXYGEN COMPOUNDS IN LONGKOU SHALE OIL AND SHENMU COAL TAR; pp. 322–333 [PDF]

open access: yesOil Shale, 2012
Methods of acid-base separation and extrography were used to decompose shale oil of Longkou oil shale (LSO), Shandong province, and coal tar of Shenmu coal (SCT), Shanxi province, both China, into acid, base and neutral fractions. The molecular structure
CENGCENG GENG   +5 more
doaj   +1 more source

First-principles study of the morphology and surface structure of LaCoO3 and La0.5Sr0.5Fe0.5Co0.5O3 perovskites as air electrodes for solid oxide fuel cells

open access: yesScience and Technology of Advanced Materials: Methods, 2021
The slow kinetics of the oxygen exchange reaction at the surface of air electrodes for solid oxide fuel cells must be improved to reduce their operating temperature.
Masanobu Nakayama   +6 more
doaj   +1 more source

Systematics of c-axis Phonons in the Thallium and Bismuth Based Cuprate Superconductors [PDF]

open access: yes, 1999
We present grazing incidence reflectivity measurements in the far infrared region at temperatures above and below Tc for a series of thallium (Tl2Ba2CuO6, Tl2Ba2CaCu2O8) and bismuth (Bi2Sr2CuO6, Bi2Sr2CaCu2O8, and Bi(2-x)Pb(x)Sr2CaCu2O8) based cuprate ...
A. A. Martin   +67 more
core   +11 more sources

Effect of Oxygen Concentration in Fermentation on Black Tea Quality and Optimization of Oxygen-enriched Fermentation Process

open access: yesShipin gongye ke-ji, 2023
Fermentation is a critical process of black tea quality formation and oxygen is the key factor affecting the fermentation, so it is important to analyze the effect of oxygen in fermentation on the quality and metabolites of black tea.
Yunfei YANG   +6 more
doaj   +1 more source

The Relationship Between Salivary Redox, Diet, and Food Flavor Perception

open access: yesFrontiers in Nutrition, 2021
The mouth is the gateway for entrance of food and microorganisms into the organism. The oral cavity is bathed by saliva, which is thus the first fluid that food and microorganisms will face after their entrance.
Mathieu Schwartz   +3 more
doaj   +1 more source

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