Results 11 to 20 of about 21,949 (310)

Reduced adsorption of caesium on clay minerals caused by various humic substances [PDF]

open access: yes, 1999
The effect of the addition of various humic substances on the adsorption of caesium on two mineral clays has been studied. All measurements were carried out in dilute suspension under controlled conditions of temperature and ionic strength.
Dumat, Camille, Staunton, S.
core   +4 more sources

Characterization of Humic Substance Extracted from Andisols, Spodosols, Peat, and Lignite

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2018
Soil and other materials with high C-organic content are potential natural sources of humic substances. Until now the differences in the characteristics of such humic substances that are extracted from different sources have not been widely studied. Thus,
Eka Rahmi   +2 more
doaj   +1 more source

Lignite derived humic products and cattle manure biochar are effective soil amendments in cadmium contaminated and uncontaminated soils

open access: yesEnvironmental Advances, 2022
Cadmium (Cd) contamination in soils is a global environmental concern. Amending soil with low cost carbonaceous materials, such as humic substances and biochars, may provide cost effective and environmentally sound alternatives to traditional remediation
Yihan Zhao, M. Anne Naeth
doaj   +1 more source

Effect of Humic Substance Applications on Mineral Nutrition and Yield of Granny Smith and Jersey Mac Apple Variet

open access: yesJournal of Agricultural Sciences, 2018
This study was conducted to examine the effect of soil, leaf and soil+leaf applications of humic substance on fruit yield, some quality parameters and mineral nutrition of Granny Smith and Jersey Mac apple varieties grafted on MM106 rootstock.
İbrahim Erdal, Murat Cansu
doaj   +1 more source

Behaviours of natural organic matter in membrane filtration for surface water treatment : a review [PDF]

open access: yes, 2006
Membrane application in surface water treatment provides many advantages over conventional treatment. However, this effort is hampered by the fouling issue, which restricts its widespread application due to increases in hydraulic resistances, operational
Ismail, A. F.   +2 more
core   +1 more source

The Potential Of Nickel Slag with Humic Substance Addition as Ameliorating Materials on Gajrug Red-Yellow Podzolic

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2018
Nickel slag and humic substance have a strong potential for use as soil ameliorants in land remediation, owing to their chemical properties that can improve acidic soils. This study aimed to determine their effect on red-yellow podzolic soil.
Febrianti Rosalina   +2 more
doaj   +1 more source

Competition from Cu(II), Zn(II) and Cd(II) in Pb(II) binding to Suwannee River Fulvic Acid [PDF]

open access: yes, 2008
This is a study of trace metal competition in the complexation of Pb(II) by well-characterized humic substances, namely Suwannee River Fulvic Acid (SRFA) in model solutions.
Chakrabarti, C.L., Chakraborty, P.
core   +2 more sources

In Vitro Determination of Inhibitory Effects of Humic Substances Complexing Zn and Se on SARS-CoV-2 Virus Replication

open access: yesFoods, 2022
(1) Background: Humic substances are well-known human nutritional supplement materials and they play an important performance-enhancing role as animal feed additives. For decades, ingredients of humic substances have been proven to carry potent antiviral
Polett Hajdrik   +10 more
doaj   +1 more source

Underwater optical wireless communications : depth dependent variations in attenuation [PDF]

open access: yes, 2013
Depth variations in the attenuation coefficient for light in the ocean were calculated using a one-parameter model based on the chlorophyll-a concentration Cc and experimentally-determined Gaussian chlorophyll-depth profiles.
Green, Roger   +2 more
core   +1 more source

Physiological Effects of Five Different Marine Natural Organic Matters (NOMs) and Three Different Metals (Cu, Pb, Zn) on Early Life Stages of the Blue Mussel (Mytilus galloprovincialis) [PDF]

open access: yes, 2017
Metals are present in aquatic environments as a result of natural and anthropogenic inputs, and may induce toxicity to organisms. One of the main factors that influence this toxicity in fresh water is natural organic matter (NOM) but all NOMs are not the
Basso Jorge, Marianna   +5 more
core   +3 more sources

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