Results 41 to 50 of about 1,249,708 (285)

Different antimicrobial effects of raspberry depending on the method of active components isolation [PDF]

open access: yesFood and Feed Research, 2014
Raspberry fruit exhibits numerous beneficial effects for veterinary and human medicine. One of those effects is antimicrobial activity, because of its diverse chemical composition.
Krstić Tamara P.   +6 more
doaj   +1 more source

Liquid Adaptive AI: A Theoretical Framework for Continuously Self-Improving Artificial Intelligence

open access: yesAI
We present Liquid Adaptive AI as a theoretical framework and mathematical basis for artificial intelligence systems capable of continuous structural adaptation and autonomous capability development.
Thomas R. Caulfield   +2 more
doaj   +1 more source

Molecular-scale descriptions and experimental characterizations of nitrocellulose soaked in pure liquid ethanol or diethyl ether respectively at room temperature

open access: yesMaterials Research Express, 2020
Studies on nitrocellulose (NC) mixtures with little solubilities were neglected in many cases previously. This investigation was performed to provide supplemental characterizations of NC and its soaked state with pure liquid ethanol or diethyl ether by ...
Pingan Liu   +6 more
doaj   +1 more source

A systematic rapid review on quality of care among non-communicable diseases (NCDs) service delivery in South Asia

open access: yesPublic Health in Practice, 2021
Background: At present, poor quality of care (QoC) surrounding non-communicable diseases (NCDs) service provision poses a threat to South Asia. This systematic rapid review aims to highlight the available approaches to improve QoC in NCD services in ...
Saraban Ether, K.M. Saif-Ur-Rahman
doaj   +1 more source

Visible-Light-Mediated Dehydrogenative Cross-Coupling of Azaarenes and Ethers

open access: yesChemistry
Heteroaromatic motifs are prevalent in natural products and numerous high-value drug molecules. Consequently, the construction of alkylated heterocyclic frameworks holds significant importance.
Junsong Song   +10 more
doaj   +1 more source

Dosage de l'acide salicylique dans les vins par chromatographie en phase gazeuse

open access: yesOENO One, 1977
La recherche et le dosage de l'acide salicylique, éventuellement ajouté dans des vins, peuvent être effectués par chromatographie en phase gazeuse de l'extrait par l'éther du vin acidifié.
Alain Bertrand, Ch. Sarre
doaj   +1 more source

O conceito de "campo" em sala de aula: uma abordagem histórico-conceitual

open access: yesRevista Brasileira de Ensino de Física
O conceito de campo é uma das idéias fundamentais da física e pode motivar um rico debate em sala de aula sobre as noções básicas desta ciência. Apesar de sua importância, quando o mesmo é apresentado em sala de aula geralmente somente seus aspectos ...
José Fernando Moura Rocha
doaj   +1 more source

The synthesis and characterization of some ortho-substituted phenoxyalkanoic acids and their derivatives [PDF]

open access: yesJournal of the Serbian Chemical Society, 2006
The synthesis of 2-phenoxyalkanoic acids (ethanoic, propanoic, butanoic) was realized by the reaction of ortho-hydroxybenzamide respectively N-phenyl-o-hydroxybenzamide with α-halogenated acids in aqueous sodium hydroxide solution.
Lupea Xenia Alfa   +4 more
doaj   +1 more source

Phase Behavior and Heat Capacity of {DPnP + Water} Mixtures at the Temperature Range of 273.15–338.15 K [PDF]

open access: yes, 2015
Research ArticleThe differential scanning calorimetry method (DSC) was used to examine the miscibility in the {dipropylene glycol propyl ether (DPnP) + water ...
Góralski, Paweł   +2 more
core   +3 more sources

Pharmaceutical Applications of Cellulose Ethers and Cellulose Ether Esters.

open access: yesBiomacromolecules, 2018
Cellulose ethers have proven to be highly useful natural-based polymers, finding application in areas including food, personal care products, oil field chemicals, construction, paper, adhesives, and textiles.
H. C. Arca   +5 more
semanticscholar   +1 more source

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