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Browsing by Author "Okunev R."

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Application of ATR-FTIR spectrometry for express prediction of the organic matter properties of arable leached chernozem

Okunev R.; Smirnova E.; Giniyatullin K.; Sahabiev I.; Gordeeva K. (2020)

© 2020 International Multidisciplinary Scientific Geoconference. All rights reserved. In this work the possibility of express prediction of the content of organic carbon, total and hydrolysable nitrogen in leached chernozems ...
Assessment of biodamage resistance of various concrete grades

Yakovleva G.; Zajnullina A.; Stroganov V.; Sagadeev E.; Vahitov B.; Bayazitova A.; Okunev R.; Ilinskaya O. (2016)

© 2016, International Journal of Pharmacy and Technology. All rights reserved.At estimation of modern mineral construction materials resistance to Aspergillus niger; Aureobasidium pullulans; Trichoderma sp. it was shown ...
Free Amino Acid Accumulation in Soil and Tomato Plants (Solanum lycopersicum L.) Associated with Arsenic Stress

Okunev R. (2019)

© 2019, Springer Nature Switzerland AG. Pollution of soils with arsenic leads to changes in biochemical processes both in the soil and in plants growing on it. Biochemically active compounds, such as free amino acids, ...
Influence of sodium arsenate (V) on the content of nitrogen-containing compounds in soil

Okunev R.; Lyutsiya M.; Grigoryan B. (2015)

© Research India Publications. Arsenic is one of the most toxic elements, which natural content exceedance leads to serious changes in soil characteristics. It is known that the element affects the enzymatic activity of ...
Study of the effect of labile organic matter removal from pyrochars on the substrate-induced respiration

Okunev R.; Smirnova E.; Giniyatullin K.; Valeeva A.; Guseva I. (2019)

© SGEM2019 All Rights Reserved. In a laboratory model experiment, the effect of native pyrochars and modified pyrochars, from which labile organic matter were extracted, on substrate-induced respiration (SIR) was evaluated. ...
Studying of the layland soils organic matter by Ir fourier spectroscopy method

Valeeva A.; Giniyatullin K.; Okunev R.; Smirnova E. (2015)

© Research India Publications. Organic matter uneven-age layland soils are investigated by method of IR-Fourier spectroscopy of the mixed exemplars. Exemplars of the arable horizon, selected on depths of 0-5cm, 5-10cm, ...
The effect of extraction of labile organic fractions on surface properties of pyrochars

Smirnova E.; Giniyatullin K.; Okunev R.; Guseva I.; Gordeeva K. (2019)

© 2019 IOP Publishing Ltd. All rights reserved. The changes in the properties of pyrochars and the possibility of their use as soil meliorants were evaluated. Pyrochars obtained from linden residues at fixed pyrolysis ...
The Effect of pre-incubation duration of soil-biochar model mixtures on the results of determination the intensity of substrate-induced respiration (Methodological aspects of study)

Smirnova E.; Giniyatullin K.; Okunev R.; Valeeva A.; Guseva I. (2016)

Was studied in laboratory experiments the effect of short term (3 days) and long term (95 and 187 days) pre-incubation of soil-biochar model mixes (ratio 20:1) in optimal conditions for the microorganisms on the results ...
The influence of a probe on the optical path of atomic absorption spectrometer with a graphite tube atomizer

Zakharov Y.; Kokorina O.; Okunev R. (2014)

We have studied the influence on the atomic absorption signal of the obscuring of the transmission beam by a probe for the two-stage atomization in a graphite tube atomizer. The following parameters were varied: the thickness ...

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Browsing by Author "Okunev R."

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