Results 21 to 30 of about 2,061,847 (332)

Vibration assisted machining: Modelling, simulation, optimization, control and applications [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 30/11/2010.Increasing demand for precision components made of hard and brittle materials such as glasses, steel alloys and advanced ceramics, is such that ...
Ibrahim, Rasidi
core   +7 more sources

A comprehensive review of ultrasonic assisted extraction (UAE) for bioactive components: Principles, advantages, equipment, and combined technologies

open access: yesUltrasonics sonochemistry, 2023
Graphical ...
Lipeng Shen   +10 more
semanticscholar   +1 more source

Study on preparation technology and amino acid composition of ultrasonic-assisted seaweed iodine

open access: yesShipin yu jixie, 2023
Objective: This study aimed to improve the preparation efficiency seaweed iodine and reduce the cost. Methods: The ultrasonic assisted technology was applied in kelp extraction section.
LIU Wen-qian   +5 more
doaj   +1 more source

Physicochemical, structural, and digestive properties of pea starch obtained via ultrasonic-assisted alkali extraction

open access: yesUltrasonics Sonochemistry, 2022
As a new and clean extraction technology, ultrasonic extraction has been demonstrated with great potential in the preparation of modified starch. In order to increase its added value, it is necessary to modify pea starch to enlarge its application.
Ning Wang   +7 more
doaj   +1 more source

Study on the Optimization for the Extraction Process of Andrographolide by Ultrasonic Assisted Extraction

open access: yesInternational Journal of Scientific Research in Science, Engineering and Technology, 2021
Because andrographis has a long history of folk medicine in Southeast Asian countries with antibacterial, antipyretic, antineoplastic, anti-inflammatory, cardioprotective effect and so on, the areas where andrographolia is introduced and cultivated are mainly concentrated.
Kim, KiBong   +6 more
openaire   +1 more source

Effects of ultrasonic-enzymatic-assisted ethanol precipitation method on the physicochemical characteristics, antioxidant and hypoglycemic activities of Tremella fuciformis polysaccharides

open access: yesUltrasonics Sonochemistry, 2023
This investigation involved the extraction of a novel polysaccharide from the spore fermentation broth of Tremella fuciformis using a method that combined ultrasonic and enzymatic assistance with ethanol precipitation. It was then compared with enzymatic
Yixuan Li, Yan He, Hua Zhang, Xia Ma
doaj   +1 more source

Ultrasonic-assisted extraction, analysis and identification of water extract of propolis

open access: yesOnline Journal of Animal and Feed Research, 2023
Apis mellifera is one species of bee that produces propolis, a resin-based product. Propolis extraction using ultrasonic assistance is being widely studied. Using water as a solvent is a challenge to capture the bioactive components of propolis. This research aimed to determine the physicochemical quality resulting from the processing of propolis ...
Indha Fitria PANGESTI   +2 more
openaire   +1 more source

Ultrasonic-Assisted and Microwave-Assisted Extraction of Phenolics and Terpenoids from Abelmoschus sagittifolius (Kurz) Merr Roots Using Natural Deep Eutectic Solvents

open access: yesACS Omega, 2023
This research extracted phenolics and terpenoids from Abelmoschus sagittifolius (Kurz) Merr roots using natural deep eutectic solvent-based novel extraction techniques. Twelve natural deep eutectic solvents (NADESs) were produced for recovering phenolics
T. Vo   +6 more
semanticscholar   +1 more source

Optimization of Ultrasonic Assisted Extraction of Tibetan Sheep Skin Collagen Peptide by Response Surface Methodology and Its Antioxidant Activity in Vivo

open access: yesShipin gongye ke-ji, 2023
In order to determine the effect of ultrasonic extraction on the content and functional activity of collagen peptide from Tibetan sheep skin, solid-liquid ratio, ultrasonic power and ultrasonic time were studied by response surface method to determine ...
Jinge NIU   +7 more
doaj   +1 more source

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