Results 11 to 20 of about 601,345 (274)

Ultrasound-Assisted Extraction of Flavonoids from Potentilla fruticosa L. Using Natural Deep Eutectic Solvents

open access: yesMolecules, 2022
A series of natural deep eutectic solvents (NADESs) were prepared with choline chloride, betaine, and a variety of natural organic acids in order to find new environmentally-friendly green solvents to replace the traditional solvents.
He Xue   +5 more
doaj   +1 more source

Quantitative characterization of aggregates and their chemical constituents in terms of acid and alkaline indicators

open access: yesCase Studies in Construction Materials, 2023
The acidity and alkalinity of aggregates greatly affect the stability, demulsification rate, and road performance of asphalt mixtures. To study the effect of acidity and alkalinity and chemical composition of aggregates, five aggregates, namely limestone
Yumin Wang   +4 more
doaj   +1 more source

Davidian involucrata Leaves Extract as Green Corrosion Inhibitor for low carbon Steel in concrete pore solution containing chloride ions

open access: yesInternational Journal of Electrochemical Science, 2021
In this work, we tried to use the Davidia involucrata leaves extract (DILE) as an eco-friendly inhibitor to enhance corrosion resistance of carbon steel plate in concrete pore solution containing chloride ions.
Meng Zhang
doaj   +1 more source

Clinical significance of 18F-FDG PET/CT imaging in 32 cases of gastrointestinal stromal tumors

open access: yesEuropean Journal of Medical Research, 2022
Objectives To explore the clinical significance of 18F-FDG metabolic imaging in the diagnosis and biological risk assessment of gastrointestinal stromal tumors (GIST). Methods This study is a clinical retrospective study.
Wen Du   +3 more
doaj   +1 more source

BAIAP2L2 promotes the proliferation, migration and invasion of osteosarcoma associated with the Wnt/β-catenin pathway

open access: yesJournal of Bone Oncology, 2021
Background: Osteosarcoma is the most common bone cancer that significantly affects the quality of life of patients. Studies have shown that overexpression of BAIAP2L2 elevates the proliferation and growth of some types of cancer cells.
Hongting Guo   +8 more
doaj   +1 more source

Improving the Sustainability of Processing By-Products: Extraction and Recent Biological Activities of Collagen Peptides

open access: yesFoods, 2023
Society and consumers are increasingly concerned about food safety and the sustainability of food production systems. A significant amount of by-products and discards are generated during the processing of aquatic animals, which still needs to be fully ...
Shumin Xu   +9 more
doaj   +1 more source

Totally geodesic surfaces with arbitrarily many compressions [PDF]

open access: yes, 2010
A closed totally geodesic surface in the figure eight knot complement remains incompressible in all but finitely many Dehn fillings. In this paper, we show that there is no universal upper bound on the number of such fillings, independent of the surface.
Benedetti   +10 more
core   +2 more sources

Erotic Enclaves and Contested Beds: Gardens in Pu Songling’s Chuanqi Tales

open access: yesThe ASIANetwork Exchange: A Journal for Asian Studies in the Liberal Arts, 2015
:            This article examines the literary garden depicted by Pu Songling (1640-1715) in his Liaozhai zhiyi 聊齋誌異 (Liaozhai's records of the strange; 1766). These enchanted, deserted, and haunted gardens function as metaphors for the contested ground
Lei Jin
doaj   +2 more sources

Letture proibite e parole in codice: Storia dell’Ala Occidentale, un’opera drammaturgica nel romanzo cinese Il Sogno della Camera Rossa

open access: yesAnnali Online dell'Università di Ferrara. Sezione Lettere, 2020
The 18th-century novel The Dream of the Red Chamber (Honglou meng) is one of the most important narrative masterpieces of Chinese literature. Despite the numerous studies on this work − that is an encyclopedic summa of an entire culture − the role of the
Beatrice Borelli
doaj   +1 more source

Religion in qirat Qing dynasty politics

open access: yesRUDN Journal of World History, 2019
During 1680s-1750s the Qing dynasty in its relations with the Oirats (Jungars and Khoshuts) actively used the potential and significance of Buddhism to achieve its main goal - the subordination of these nomads.
Baatr U. Kitinov, Liu Qiang
doaj   +1 more source

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