Results 151 to 160 of about 802,256 (289)
Chemistry &Biodiversity, EarlyView.ABSTRACT Ziziphus budhensis Bhattarai & M.L. Pathak is a specie described in 2015 in Nepal poorly studied for its phytochemical composition and possible bioactivities. In this study, six extracts were obtained from Z. budhensis leaves using ultrasound assisted extraction with solvents in increasing polarity namely hexane, dichloromethane, chloroform ...
Samjhana Bharati +7 more
wiley +1 more source
A challenge to triumphant optimists? A blue chips index for the Paris Stock-Exchange (1854-2007) [PDF]
We analyze a new blue chips (large caps) stock index for France from 1854 to 1998. We detail its methodology and show that it differs profoundly from earlier indices, and that it is more consistent with the French financial and economic history.
David Le Bris, Pierre-Cyrille Hautcoeur
core
Nonconventional Techniques in Plant Alkaloid Extraction: A Decade of Progress (2014–2023)
Chemistry &Biodiversity, EarlyView.This figure seeks to represent the evolution of the different unconventional approaches that were adopted for the extraction of plant‐derived alkaloids during the decade from 2014 to 2023. ABSTRACT Plant metabolism encompasses primary and secondary pathways, with secondary metabolism yielding diverse natural products crucial for plant adaptation and ...
Victor Menezes Sipoloni +5 more
wiley +1 more source
Musei, Traumi, Memorie del Novecento. Introduzione
Storicamente, 2017 Ilaria Porciani
doaj +1 more source
ChemCatChem, EarlyView.This review discusses different aspects of the oxidative dehydrogenation reaction of ethylbenzene to styrene over iron‐based oxides, emphasizing the properties of the catalysts and the participation of active sites, as well as the deactivation and regeneration processes using soft oxidants.
Johnatan de Oliveira Soares +2 more
wiley +1 more source
Why Engineers Should Read More Novels
Chemie Ingenieur Technik, EarlyView.What do engineers do? And what should they work on? A surprising answer is outlined in this essay, which argues that reading novels holds the key for addressing both questions. Novels train the imagination as well as our ethical abilities – skills that are essential for developing future‐proof technologies.
Michael Kuhn
wiley +1 more source
Neurological Disorders and Clinical Progression in Boxers from the 20th Century: A Narrative Review. [PDF]
Brain SciCastellani RJ +5 more
europepmc +1 more source
Renfe’s contribution to Spain’s economic growth between 1950 and 2000: sn initial estimation [PDF]
The purpose of the article is to make a first appraisal of the contribution of the railway of Iberian gauge (Renfe) to the economic development experienced by the Spanish society throughout the second half of the 20th century.
Muñoz, Miguel
core
Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l'Administration, EarlyView.ABSTRACT Researchers now understand that the Great Recession stemmed from a “systemic leadership failure,” involving various entities such as the government, financial institutions, investors, homeowners, and regulators. Consequently, traditional leadership approaches of the time came under intense scrutiny, necessitating a shift in leadership ...
Faidon Theofanidis +2 more
wiley +1 more source