Results 31 to 40 of about 2,330,903 (349)
Chemistry Teacher International, 2023 During the COVID-19 pandemic, the unexpected lockdown of schools brought many challenges to redesigning the teaching and learning of chemistry at the secondary schooling level.
Ambrogi Paola, Eilks Ingo
doaj +1 more source
IMPACT OF ETHANOL, METHANOL AND SULFIDES ON THE NITRIFICATION PROCESS OF AMMONIUM IONS IN NATURAL WATERS [PDF]
Present Environment and Sustainable Development, 2020 This paper includes the results of laboratory modeling of ethyl and methyl alcohol and sulfide ions impact on the biochemical process of ammonium ions nitrification in water from the Dniester River, Palanca village, Stefan Voda district (august 2019). An
SANDU Maria +4 more
doaj +1 more source
Discovery Of Ethanol-Responsive Small Rnas In Zymomonas Mobilis [PDF]
, 2014 Zymomonas mobilis is a bacterium that can produce ethanol by fermentation. Due to its unique metabolism and efficient ethanol production, Z. mobilis has attracted special interest for biofuel energy applications; an important area of study is the ...
Cho, Seung Hee +3 more
core +1 more source
Frontiers in Pharmacology, 2019 Brain nicotinic acetylcholine receptors (nAChRs), a heterogeneous family of pentameric acetylcholine-gated cation channels, have been suggested as molecular targets for the treatment of alcohol abuse and dependence.
Gabriel Quiroz +12 more
doaj +1 more source
Ethanol internal reforming in solid oxide fuel cells: A path toward high performance metal-supported cells for vehicular applications [PDF]
, 2020 Internal reforming of ethanol fuel was investigated on high-performance metal-supported solid oxide fuel cells (MS-SOFCs) with infiltrated catalysts. The hydrogen concentration and internal reforming effects were evaluated systematically with different ...
Dogdibegovic, E, Fukuyama, Y, Tucker, MC
core +1 more source
Uso de amêndoas de baru (Dypterix alata) para remoção de Ni(ii) em etanol combustível
Química Nova, 2011 The present work describes the sorption potential of Dypterix alata (baru) for removal of Ni(II) in hydrous ethanol. Infrared spectroscopy was used for elucidating possible functional groups responsible for uptaking Ni(II).
Rafael Mosquetta +4 more
doaj +1 more source
A fast ethanol assay to detect seed deterioration [PDF]
, 2012 The most common way to test seed quality is to use a simple and reliable but time- and space-consuming germination test. In this paper we present a fast and simple method to analyse cabbage seed deterioration by measuring ethanol production from ...
Buckley, W.T. +5 more
core +2 more sources
Ethanol triggers grape gene expression leading to anthocyanin accumulation during berry ripening [PDF]
, 2002 Recent studies have shown that low doses of ethanol stimulate the maturation of some fruits. The present work showed that spraying Cabernet Sauvignon grapes, with 5% ethanol at veraison enhances the anthocyanin accumulation.
Chervin, Christian +9 more
core +4 more sources
Superficial Scald versus Ethanol Vapours: A Dose Response [PDF]
, 2003 Early picked "Granny Smith" apples (Malus domestica Borkh.) were stored under air or CA (controlled atmosphere at 2 kPa O2 and
C. Casier +6 more
core +2 more sources
Etude de la lyse de Leuconostoc oenos
OENO One, 1990 La lyse de Leuconostoc oenos a été étudiée en suspension dans l'eau et dans une solution synthétique (pH 3,5; alcool 11 % v/v, acide tartrique 4 g/l). Elle a été mesurée par deux méthodes basées sur la libération de constituants cellulaires (mesure à 210
Sandrine Garbay, Aline Lonvaud-Funel
doaj +1 more source