Results 31 to 40 of about 493,503 (195)

Destruction of Surfactants and Humic Substances in Plazma-Chemical Reactor

Наукові вісті Національного технічного університету України "Київський політехнічний інститут", 2018
Background. Wastewater treatment from surfactants and humic substances is an actual and not fully resolved environmental problem. Surfactants are one of the most dangerous pollutants of natural water bodies, which are sources of domestic and industrial ...
Vladislav V. Goncharuk, Roman Ye. Klishchenko, Ivan V. Kornienko   +2 more
doaj   +1 more source

The Effect of Humic Substances as an Organic Supplement on the Fattening Performance, Quality of Meat, and Selected Biochemical Parameters of Rabbits

Life, 2022
In this study, we assessed the effect of humic substances, as an organic supplement in feed, on the fattening performance, meat quality and selected lipid and mineral parameters from the blood serum of rabbits.
Zuzana Lacková, František Zigo, Zuzana Farkašová, Silvia Ondrašovičová   +3 more
doaj   +1 more source

Comparison of extractable soil carbon and dissolved organic carbon by their molecular characteristics

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2011
The aim of this study was to compare the molecular characteristics of extractable soil carbon from biotopes of the Rašeliník watershed and dissolved organic carbon (DOC) from Rašeliník creek, by using the 0.1M pyrophosphate, 0.01M CaCl2 and Britton ...
Martina Šestauberová, František Novák   +1 more
doaj   +1 more source

Origin and nature of humic substances in the waters of the Amazon River Basin [PDF]

Acta Amazonica, 1980
Humic substances dissolved in "black water, white water, and clear water" rivers of the Amazon River basin were compared were humic substances found in podzolic (spodic) and latosolic (oxic) soils of the Amaon region.
Jerry A. Leenheer
doaj   +1 more source

Assessment of the effect of iron-rich humic substances on hematological parameters in the model of acute posthemorrhagic and iron deficiency anemia

Бюллетень сибирской медицины, 2023
Aim. To assess the effect of iron-rich humic substances on hematological parameters in acute post-hemorrhagic and iron deficiency anemia.Materials and methods.
K. A. Bratishko, L. A. Logvinova, V. V. Ivanov, A. M. Zhirkova, A. A. Ufandeew, E. E. Buyko, A. P. Zima, E. S. Rabcevich, M. V. Kuznecova, M. V. Belousov, I. V. Perminova, M. V. Zykova   +11 more
doaj   +1 more source

Humic substances trigger plant immune responses

Chemical and Biological Technologies in Agriculture, 2023
Background Huanglongbing (HLB) is a devastating citrus disease. Before callose deposition, the bacterial infection causes oxidative stress, starting cell damage. Humic substances are among the most efficient antioxidants found in nature.
Rakiely Martins da Silva, Natália Aguiar Canellas, Fábio Lopes Olivares, Alessando Piccolo, Luciano Pasqualoto Canellas   +4 more
doaj   +1 more source

Humic acid protein complexation [PDF]

, 2008
Interactions of purified Aldrich humic acid (PAHA) with lysozyme (LSZ) are investigated. In solution LSZ is moderately positively and PAHA negatively charged at the investigated pH values.
Tan, W.F., Koopal, L.K., Norde, W., Weng, L.P., Riemsdijk, W.H., van   +4 more
core   +1 more source

Haplic Chernozem Properties as Affected by Different Tillage Systems

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2016
During 2007–2011 we assessed content and quality of humic substances with relationship to soil structure. Object of study was Haplic Chernozem (Hrušovany nad Jevišovkou, Czech Republic) under three different tillage systems: – conventional ploughing to a
Magdalena Hábová, Lubica Pospíšilová , Jaroslava Novotná, Barbora Badalíková, Lubomír Jurica   +4 more
doaj   +1 more source

Humic Substances Mediate Anaerobic Methane Oxidation Linked to Nitrous Oxide Reduction in Wetland Sediments

Frontiers in Microbiology, 2020
Humic substances are redox-active organic molecules, which play pivotal roles in several biogeochemical cycles due to their electron-transferring capacity involving multiple abiotic and microbial transformations.
Edgardo I. Valenzuela, Claudia Padilla-Loma, Nicolás Gómez-Hernández, Nguyen E. López-Lozano, Sergio Casas-Flores, Francisco J. Cervantes   +5 more
doaj   +1 more source

Trace metals in the open oceans: speciation modelling based on humic type ligands [PDF]

, 2011
The speciation of trace metals in the oceans is typically explained by invoking the concept of metal binding to specific organic ligands, but a lack of detailed knowledge about the ligands has impeded the formulation of comprehensive models to predict ...
Stockdale, Anthony, Stephen Lofts, Tipping, Edward, Edward Tipping, John Hamilton-Taylor, Anthony Stockdale, Hamilton-Taylor, John, Lofts, Stephen   +7 more
core   +1 more source