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Article
Terminal Control of Center of Mass Motion and Propellant Consumption in Liquid-Propellant Rocket Carriers
We dedicate this work to the memory of Academician B.N. Petrov. It develops the principles of terminal control of rocket carriers formulated by him. Next-generation rocket carriers implement the principle of i...
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Article
Radio Emission Spectrum of Supernova Remnant G74.9+1.2
Measurements of the flux densities of the supernova remnant (SNR) G74.9+1.2 (CTB 87) at frequencies of 4840 and 8450 MHz were carried out with the RT-32 radio telescope of the Svetloye observatory of the Insti...
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Article
Analysis of Organic Matter in Caustobioliths by Diffuse Reflectance Infrared Fourier Transform Spectroscopy
The structural organization of syngenetic caustobioliths is studied on the basis of diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). Similarities and differences are found, regardless of t...
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Article
Radio Emission Variability of Supernova Remnants and a Possible Explanation of the Phenomenon
The flux densities and current spectra of plerions and combined supernova remnants (SNRs): 3C58, 3C144, G11.2–0.3, G21.5–0.9, and 3C396 are determined on an artificial moon (AM) flux scale. The radio emission ...
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Article
On a Deterministic Terminal Control Method with Predictive Forecasting of Mismatches in the Boundary Conditions
We consider the statement of a terminal control problem that partitions system state coordinates into two types: slowly varying coordinates, which occur in the boundary conditions, and control loop coordinate...
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Article
Paleontological and Spectrometric Characteristics of the Phytoleimmas of Middle–Late Jurassic Plants of the Southeast of Western Siberia
The oil and gas potential of the southeast of Western Siberia dictates increased attention to plant phytoleimmas from the Naunak and Tyumen formations. The morphological features of fossil plants are often ins...
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Article
Open AccessVariability of the Spectrum of the Young Supernova Remnant G11.2-0.3
The spectrum of G11.2-0.3 has been refined by bringing the published intensity measurements to the “artificial moon” flux scale, and the dynamics of its changes on different time scales from 0.4 to more than ~...
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Article
Quasi-Terminal Controllers Synthesis
In the class of linear algorithms of linear stationary multi-connected plants control the subclass is distinguished of quasi-terminal algorithms with implicit aiming at the boundary conditions moving along th...
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Article
Research on Coal and Related Materials at AO VUKhIN
The development of coal research at AO VUKhIN is considered. The approach adopted at VUKhIN is essentially the same as that employed at Tomsk Polytechnic University to study the structure and properties of oth...
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Article
Radio Emission of the Combined Supernova Remnant 3C396 (G39.2-0.3)
Using the RT-32 radio telescope of the “Svetloe” IAA RAS observatory in 2017–2018, the flux density measurements of the combined (composite) supernova remnant (SNR) 3С396 (G39.2-0.3) at frequencies of 4840 and...
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Article
Association of C3435T (rs1045642) Polymorphism of the MDR1 Gene with the Increased Risk of Colorectal Cancer in Russian Females from Central Russia
The objective of this study was to examine associations of single nucleotide polymorphisms, rs1045642 within the MDR1 gene and rs1799930 within the NAT2 gene, with the risk of colorectal cancer (CRC) in the popul...
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Article
Spectrum and Variability of the Supernova Remnant G21.5-0.9
Measurements of the flux densities of the supernova remnant G21.5-0.9 at 4840 and 8450 MHz were performed in 2013–2018 on the 32-m telescope of the Svetloe Observatory of the Institute of Applied Astronomy, Ru...
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Article
Calculation of the Velocity of the Electromagnetic Field Propagation in a Medium with Inclusions
Two variants of the method of calculation of the electromagnetic field propagation velocity in a medium with inclusions are investigated. The multiple scattering theory based on the electromagnetic wave diffra...
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Article
Development of the Integrated Approach to Stratigraphic Subdivision and Correlation of Middle–Upper Jurassic Deposits in Southeastern West Siberia
On the basis of integrated paleobotanic, lithogeochemical, IR-spectrometric, and thermochemical studies, stratigraphic subdivision and correlation of productive Middle–Upper Jurassic sediments represented by t...
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Article
Spectrum Anomaly of the Supernova Remnant 3C58
We measured the instantaneous spectra of the supernova remnant 3C58 for the epochs: 2003.4, 2004.4, and 2013.2 with the RTF-32 radio telescope of the “Svetloe” IAA RAS observatory at four frequencies from 1550...
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Article
Method for Computing the Velocity of an Electromagnetic Wave Propagating in a Medium with Inclusions at a Low Particle Concentration
Multiple scattering theory is used to develop a method for computing the velocity of an electromagnetic wave (light) propagating in a medium with inclusions. A model of light scattering by particles placed in ...
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Article
Spectra of Standard Radio Sources at the Current Epoch
The results of observations aimed at determining the spectra of standard radio sources in an “artificial-Moon” absolute flux scale at epoch 2015.5 at wavelengths of 3.5–18 cm are presented. The sample includes...
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Article
Assessing the Coking Properties and Value of Coal for Blast-Furnace Coke Production
An approach is proposed for assessing the coking properties and value of coal during prospecting, extraction, and deep processing, so as to objectively identify clinkering coal suitable for the production of b...
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Article
Determining the cause-and-effect relationships responsible for coal Properties 4. Assessing the influence of mineral impurities on the organic mass of coal
Coal may be regarded as an organic–mineral complex formed by the accumulation of sediments and their metamorphic transformation to sedimentary rock. On that basis, Kuznetsk Basin coal may be analyzed in terms ...
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Article
Sound field suppression in a waveguide equipped with a transverse packet resonator
Noise cancellation in a waveguide by applying a transverse packet resonator is studied. It is shown that this resonator expands the spectrum of suppressed frequencies in a narrow waveguide.
