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Browsing by Author "Fedorova I."

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Assessment of the ecological state of the Larsemann hills oasis lakes (East Antarctica) based on hydrologic and hydrobiologic indicators

Nigamatzyanova G.; Fedorova I.; Frolova L.; Sidorina I.; Tenchikov A. (2016)

© SGEM2016.The article presents the results of a current ecological status estimation of The Larsemann Hills oasis freshwater lakes (the East Antarctica) based on hydrologic and hydro-biological indicators. Available ...
Electrochemical Oxidation of Azacrown Transition Metal Complexes on a Graphite Electrode

Shaidarova L.; Fedorova I.; Ulakhovich N.; Budnikov G. (1998)

Azacrown compounds and their 3d-transition metal complexes undergo oxidation on a graphite electrode in aqueous and organic solutions. The macrocyclic ligands are oxidized to radical cations which are involved in further ...
Extraction of inorganic and organic substances from aqueous solutions as host-guest complexes by vaseline oil containing crown compounds

Shaidarova L.; Fedorova I.; Ulakhovich N.; Budnikov G. (1996)

Extraction of some metal ions and biologically active organic compounds as host-guest complexes from aqueous phase by solutions of crown compounds in Vaseline oil was studied. The same extraction systems were studied using ...
Geodatabase and WebGIS project for long-term permafrost monitoring at the Vaskiny Dachi Research Station, Yamal, Russia

Dvornikov Y.; Leibman M.; Heim B.; Bartsch A.; Haas A.; Khomutov A.; Gubarkov A.; Mikhaylova M.; Mullanurov D.; Widhalm B.; Skorospekhova T.; Fedorova I. (2016)

The research station Vaskiny Dachi (VD) in central Yamal, Western Siberia was established in 1988. Continuous monitoring of the permafrost state is conducted since 25 years, which allows collecting a large amount of data ...
Stratigraphy of cladocera in a core from a Yamal peninsula lake (Arctic Russia)

Frolova L.; Ibragimova A.; Fedorova I. (2016)

© SGEM2016.Arctic regions are most sensitive to global climate change and Arctic waters are an excellent indicator of a current increase in air temperature on the planet. Yamal peninsula is one of a scientifically interesting ...
Stripping voltammetry of biologically active organic compounds as host-guest complexes at electrodes modified with crown ether

Shaidarova L.; Fedorova I.; Ulakhovich N.; Budnikov G. (1998)

Procedures for determining the biologically active organic compounds Ioxynil, Prefix, Sayfos, Cythioate, and Karbation by stripping voltammetry using carbon-paste electrodes modified with dibenzo-18-crown-6 (DB18C6) or ...
Stripping-voltammetric determination of some amino acids on a carbon-paste electrode modified by crown ethers

Shaidarova L.; Fedorova I.; Ulakhovich N.; Budnikov G. (1997)

A method for detecting sulfur-containing amino acids on a carbon-paste electrode modified by dibenzo-18-crown-6 or dibromodibenzo-18-crown-6 ethers is developed. The selectivity of the method is accounted for by a specific ...
Stripping-voltammetric determination of transition metals using electrodes modified by azacrown compounds

Shaidarova L.; Ulakhovich N.; Fedorova I.; Galyametdinov Y. (1996)

Voltammetric properties of macrocyclic complexes of transition metals are studied by using a carbon-paste electrode modified by diaza-18-crown-6, Cyclam, and their derivatives. A selective stripping-voltammetric procedure ...
The research of the yamal peninsula lake bottom sediments by the implementation of subfossil cladocera assemblages analysis

Ibragimova A.; Frolova L.; Nigmatullin N.; Fedorova I.; Gareev B. (2020)

© 2020 International Multidisciplinary Scientific Geoconference. All rights reserved. The Yamal Peninsula is one of the most important strategic oil and gas-bearing regions of Russia. Active development of the Far North ...
Thermal processes of thermokarst lakes in the continuous permafrost zone of northern Siberia - observations and modeling (Lena River Delta, Siberia)

Boike J.; Georgi C.; Kirilin G.; Muster S.; Abramova K.; Fedorova I.; Chetverova A.; Grigoriev M.; Bornemann N.; Langer M. (2015)

© Author(s) 2015. Thermokarst lakes are typical features of the northern permafrost ecosystems, and play an important role in the thermal exchange between atmosphere and subsurface. The objective of this study is to describe ...

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Browsing by Author "Fedorova I."

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