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Browsing by Author "Kadyrov R."

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Application of wavelet analysis of X-Ray computed tomography histogram for phase segmentation

Kadyrov R.; Starovoytov A.; Utemov E. (2020)

© 2020 IOP Publishing Ltd. All rights reserved. With the development of unconventional resources, the standard task of evaluation the porosity and oil saturation needs a new approach. Heavy oil and bitumen can act as the ...
Comorbid Complicated Course of Vegetative Diabetic Polyneuropathy. Clinical Case. Multidisciplinary Approach in Treatment

Koreyba K.; Tsyplakov D.; Koreyba E.; Kadyrov R.; Zeinalova A. (2021)

Diabetic polyneuropathy is the most difficult to diagnose manifestation of diabetes mellitus. It affects many organs and systems and exacerbates complications of both an infectious and non-infectious nature. Currently, ...
Comparative geochemistry of the basalts from Vesuvius and Batur volcanoes

Kadyrov R.; Minibaeva E. (2020)

© 2020 IOP Publishing Ltd. All rights reserved. Sedimentary rocks can form both directly during eruptions and the destruction of effusive rocks. They can inherit the geochemical features of parent rocks. Therefore, the ...
Comparative mineralogy and petrography of the basalts of Vesuvius and Batur volcanoes

Kadyrov R.; Minibaeva E. (2020)

© 2020 IOP Publishing Ltd. All rights reserved. In areas of active volcanic activity, sedimentary rocks can form both directly during eruptions and the destruction of effusive rocks. Therefore, the study of effusive parent ...
Enigma of ferruginous inclusions in Permian evaporites

Kadyrov R.; Glukhov M.; Statsenko E.; Galliulin B. (2020)

© 2020, Saudi Society for Geosciences. We studied Fe-rich microspherules and microparticles found as inclusions within a gypsum host rock, sourced from the Kamsko-Ustyinskoe gypsum field (Republic of Tatarstan, Russia). ...
Geometric structures of phosphorus-containing heterocycles - 22. Pyrocatechol derivatives of phosphorous acid

Arbuzov B.; Arshinova R.; Kadyrov R.; Gurarii L. (1979)

1. Dipole moments, Kerr constants, and bond polarity and polarizability parameters for phosphorus have been determined for various pyrocatechol derivatives of phosphorous acid. 2. The pyrocatecholaryl phosphites have envelop ...
Influence of water saturation, grain size of quartz sand and hydrate-former on the gas hydrate formation

Zaripova Y.; Yarkovoi V.; Varfolomeev M.; Kadyrov R.; Stoporev A. (2021)

The development of technologies for the accelerated formation or decomposition of gas hydrates is an urgent topic. This will make it possible to utilize a gas, including associated petroleum one, into a hydrate state for ...
Isotope (δ13C and δ18O) compositions of dolomites from the Permian evaporitic sequences of the Eastern Russian Plate: Evidence from the Syukeevo gypsum deposit

Sungatullin R.; Kuleshov V.; Kadyrov R. (2014)

Carbon and oxygen isotope compositions has been studied in dolomites of the Syukeevo gypsum deposit located in the Eastern Russian Plate. Values of δ13C in the dolomites vary from 0.3 to 6.6 ‰; δ18O, from 28.0 to 36.6‰. ...
Measurement of Damköhler number on the X-Ray computed tomography basis in the process of heavy oil carbonate reservoir acidizing

Kadyrov R. (2019)

© Published under licence by IOP Publishing Ltd. Nowadays, cases of the joint use of thermal and chemical methods of enhanced oil recovery have become more frequent. In this regard, acid treatment has an important role, ...
Natural heavy oil reservoirs porosity and saturation coefficients estimation based on wavelet analysis of X-Ray computed tomography histogram

Kadyrov R.; Starovoytov A.; Utemov E.; Statsenko E.; Sagirov R.; Validov M. (2019)

© Published under licence by IOP Publishing Ltd. With the development of unconventional resources the standard task of evaluation the porosity and oil saturation needs new approach. Heavy oil and bitumen can act as cement ...
On 3D dynamic control of secondary cooling in continuous casting process

Dautov R.; Kadyrov R.; Laitinen E.; Lapin A.; Pieskä J.; Toivonen V. (2004)

In this paper a 3D-model for simulation and dynamic control of the continuous casting process is presented. The diffusion convection equation with multiphase transition is used as a simulation model. The developed model ...
On solving of some nonlinear problems of plasma physics

Zheltukhin V.; Chebakova V.; Abaidullin R.; Kadyrov R. (2015)

© 2015 V. S. Zheltukhin et al. The non-linear problem of finding the parameters of interaction of radio-frequency capacitive discharge with the sample placed on the electrode is considered in a local approach. The problem ...
Phase states of the gypsum thermal-annealing derivatives according to electron spin resonance spectra

Khasanov R.; Nizamutdinov N.; Khasanova N.; Salimov R.; Kadyrov R.; Vinokurov V. (2014)

The electron spin resonance (ESR) spectra of SO 3 - and SO 2 - radical ions with a linewidth ΔH ≈ 2.7 G and SO 3 - (A 1) and SO 3 - (A 2) centers with superhyperfine splitting due to the interaction with protons in platelike ...
Protective Action of Xymedon on the Morphological Structures of the Pancreas of the Rat in Ischemia

Kadyrov R.; Syromiatnikova V. (2018)

© 2018, Springer Science+Business Media, LLC, part of Springer Nature. Pathologic processes associated with the effect of ischemia on the pancreas are not yet fully investigated and searching for ways of reduction of the ...
Reconstruction of history of the Tatar Arch in the Neogene-Quaternary time by means of the morphometric analysis

Chernova I.; Nourgaliev D.; Nurgalieva N.; Nugmanov I.; Chernova O.; Kadyrov R. (2013)

The history of neotectonic development of the Tatar Arch is reconstructed according to the morphometric analysis data. High degree of neotectonic activity of the Southern Dome of the Tatar Arch is shown. Connections between ...
Some modern methods of the pore space studying in the carboniferous carbonate rocks

Evdokimov S.; Nurgalieva N.; Kadyrov R.; Evdokimova E. (2013)

Copyright © (2012) by the European Association of Geoscientists & Engineers All rights reserved. The most common and widespread research task in geology is the determination of porosity and its nature. Analysis of mineral ...
Spatial structure of phosphorus-containing heterocycles - Communication 26. Synthesis and structure of 2-dialkylamino-1,3,2-dioxaphosphepanes with a planar group of atoms in the ring

Arbuzov B.; Kadyrov R.; Klochkov V.; Arshinova R.; Aganov A. (1982)

An investigation of the PMR spectra over a wide temperature range in different solvents, the dipole moments, and the Kerr constants of 2-dialkylamino-1,3,2-dioxaphosphepanes with a planar group of atoms in the heterocycle ...
Spatial structure of phosphorus-containing heterocycles - Communication 28. Conformation of phenyl radical in 5-phenyl-5-oxo-1,3,5-dioxaphosphorinanes and thiono analogs

Kadyrov R.; Arshinova R.; Arbuzov B. (1982)

1. On the basis of data on the Kerr effect in solutions, the stereoisomers of 5-phenyl-5-oxo- and 5-phenyl-5-thiono-2,4,6-trimethyl-1,3,5-dioxaphosphorinanes, differing in the position of the exocyclic substituents on the ...
Spatial structure of phosphorus-containing heterocycles. 49. Vibrational spectra, dipole moments, and conformations of 2-aroxy-1,3,2-dioxaphosphepines and their benzo analogs

Kadyrov R.; Shakirov I.; Arshinova R.; Gnevashev S.; Shagidullin R.; Arbuzov B. (1989)

1. On the basis of IR and Raman vibrational spectra,1H NMR spectra, and measurements of dipole moments of 4,7-dihydro-2-aroxy-1,3,2-dioxaphosphepines, their 5,6-dichloro analogs are conformationally homogeneous and have a ...
Spatial structures of phosphorus-containing heterocyclic compounds - XXIV. Conformations of 2-X-4,5,6,7-dibenzo-1,3,2-dioxaphosphepanes

Arbuzov B.; Kadyrov R.; Arshinova R.; Mukmeneva N. (1981)

1. 2-X-4,5,6,7-Dibenzo-1,3,2-dioxaphosphenanes (X=Cl, OEt, OPh) have a twist form, and angle of twist with respect to the biphenyl bridge is equal to 41-48°. 2. The ethoxy radical in these compounds is characterized by a ...

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Browsing by Author "Kadyrov R."

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