Results 41 to 50 of about 5,243,021 (356)
Planta Daninha, 2001 Este trabalho foi desenvolvido com o objetivo de avaliar a sorção do atrazine em complexos organominerais predominantes em solos tropicais. A amostra de herbicida utilizada na experimentação continha 97% de pureza. Alíquotas de 10 mL das soluções de 0,0;
S.O. Procópio +8 more
doaj +1 more source
Directed Synthesis of Humic and Fulvic Derivatives with Enhanced Antioxidant Properties
Agronomy, 2021 Redox moieties, which are present in the molecular backbone of humic substances (HS), govern their antioxidant properties. We hypothesized that a directed modification of the humic backbone via incorporation of redox moieties with known redox properties ...
Alexander B. Volikov +11 more
doaj +1 more source
MoleculesHyaluronic acid and carboxymethyl cellulose are eco-friendly polysaccharides known for their excellent moisture retention properties, making them suitable components of agricultural fertilizers.
Gleb N. Trishkin +3 more
doaj +1 more source
Polish Polar Research, 2020 Humic substances are polydisperse mixtures of structurally complex matters with different molecular weights. The complexity of molecular composition of humic substances is reflected through their physical and chemical properties and results in diverse ...
Lodygin, Evgeny, Vasilevich, Roman
doaj +1 more source
Stabilization of petroleum and oil emulsions by bioorganic compositions based on humic acids
RUDN Journal of Ecology and Life Safety, 2023 The stabilizing ability of humic acids isolated from reed fen peat of the Ryazan region in the relation to oil and petroleum products under various abiotic conditions of the aquatic environment has been studied.
Maria M. Gertsen +2 more
doaj +1 more source
Chemical and spectroscopic analysis of olive mill waste water during a biological treatment [PDF]
, 2007 The treatment of olive mill waste water was studied on the laboratory scale. Physico–chemical analyses showed the final products had a mean pH of 5.4 without neutralisation and 5.7 when lime was added to the process.
Bailly, Jean-René +5 more
core +5 more sources
Environmental science and pollution research international, 2018 Hexavalent chromium contamination of groundwater is a worldwide problem caused by anthropogenic and natural processes. We report the rate of Cr(VI) removal by two humic acids (extracted from Miocene age lignite and younger peat soil) in aqueous ...
Suha T. Aldmour +8 more
semanticscholar +1 more source
Extraction yield of humic substances from organic materials
Dyna, 2022 At present there is a great advance in the use of organic substances as fertilizers; humic substances are one of them with various forms of extraction.
Irina Pedroso-Rodriguez +5 more
doaj +1 more source
Study of Hydrophobic Domains in Humic Acids [PDF]
, 2008 Fyzikálně-chemická povaha hydrofobních domén huminových kyselin byla studována z několika hledisek. K objasnění významu fluorescenčních spekter byly vzorky podrobeny sekvenční frakcionaci, která pomohla k částečnému objasnění vlivu vodorozpustných složek,
Čechlovská, Hana
core
Advanced Functional Materials, EarlyView.The concept of foulant particle manipulation and detachment from active microfiltration membranes via voltage‐driven vibrations is introduced. Actuator components are initially integrated onto the filtration membranes using an airbrush spray printing technique.
Irem Gurbuz, Hanieh Bazyar, Andres Hunt
wiley +1 more source