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35 921 (0,259s)

Result

The effect of fulvic acids on the toxicity of lead and manganese to arbuscular mycorrhizal fungus Glomus intraradices.

The effect of fulvic acids (FA) on arbuscular mycorrhizal (AM) fungi and on the toxicity of lead and manganese toward these symbionts were demonstrated in vitro....

EF - Botanika

  • 2002
  • Jx
Result

Structure and Properties of Humic and Fulvic Acids. I. Properties and Reactivity of Humic Acids and Fulvic Acids.

The aim of this part is to characterize of HA and FA on the basis of their ability to form complexes with inorganic and organic molecules capable to cause the effect of crosslinking. The characterization and properties of HA and FA and differences be...

CF - Fyzikální chemie a teoretická chemie

  • 2000
  • Jx
Result

Spectroscopic Characterization of Fulvic Acids Isolated from Czech Soil and Peat

Fulvic acids isolated from South-Bohemian peat and forest soil were fulvic acids lie within the α’ and α regions with typical maxima centered in the range 240–280/400–500 nm and 300–380/400–500 nm (λex/λem). Fu...

Geology

  • 2018
  • O
Result

Self-aggregation of Humic and Fulvic Acids Studied on IHSS Standards

Self-aggregation of Humic and Fulvic Acids Studied on IHSS Standards...

CF - Fyzikální chemie a teoretická chemie

  • 2008
  • Jx
Result

EPR spectroscopy of humic and fulvic acids

The reactive oxygen species (ROS) and transition metal complexes have been found in oxidation products of humic and fulvic acids.

CA - Anorganická chemie

  • 2006
  • Jx
Result

Distribution of heavy metals between fractions of humic substances in soil

) or calculated. These heavy metals are found to be bound more on fulvic acid than on humic acid probably due to higher amount of functional groups and higher cation exchange capacity of fulvic acids. It c...

DF - Pedologie

  • 2002
  • D
Result

Response of saprophytic microfungi degrading fulvic fraction of soil organic matter to different N fertilization intensities, different plant species cover and elevated atmospheric CO2 concentration.

The response of soil fungi assemblages degrading fulvic acids to the three environmental factors is described...

EE - Mikrobiologie, virologie

  • 2005
  • Jx
Result

The fluctuation of Cd among humic and fulvic acids fractions in treated sewage sludge

The influence of addition of ameliorative materials into sewage sludge on the fluctuation of Cd among fractions of humic and fulvic acids was studied during 8 months of aerobic and anaerobic incubation. Limestone addition in aerobic...

DK - Kontaminace a dekontaminace půdy včetně pesticidů

  • 2003
  • D
Result

Size and Charge Evaluation of Standard Humic and Fulvic Acids as Crucial Factors to Determine Their Environmental Behavior and Impact

. Fulvic acids were analyzed both in water and NaOH solution. The intensity, volume for humic acids. In the case of fulvic acids, the colloidal stability increasedIn this work, the size and charge of humic...

Environmental sciences (social aspects to be 5.7)

  • 2018
  • Jimp
  • Link
Result

Conductometric study of the dissociation behavior of humic and fulvic acids

The dissociation behavior of humic and fulvic acids was characterized affected by the content of humic or fulvic acids in aqueous solution. In the case of fulvic acids, the dilution effect connect...

Physical chemistry

  • 2018
  • Jimp
  • Link
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