Playing with spectres
This article analyses the science of spectres addressed in J. Derrida’s book Spectres of Marx. The methodological approach employed is Julia Kristeva’s ‘semiological adventure’, which is based on considering language as a heterogeneous structure in the realm of interactions between ...
The Spectral Dependence of Skin Sensitivity to Light in Immature LYMNAEA STAGNALIS L. Specimens
By carrying out a quantitative evaluation of appearances of the shadow reflex, we obtained a spectral dependence of skin light sensitivity of immature specimens of Lymnaea stagnalis L. We performed experiments on juvenile specimens with a maximum shell size of 15 mm, to rule out the influence of the sexual dominant on the appearance of the reflex response. With its maximum at 490 nm, the obtained dependence apparently corresponds to the absorption spectrum of the photosensitive skin pigment.
1...
Structural identification of the sulfonamides by the methods of IR and NMR spectroscopy
Structures of new type of sulfonamide preparations were determined complex using methods of IR spectroscopy and 1H NMR spectroscopy. This methodology proposed as a general approach for structural identification of the pharmaceutical substances.
1. Машковский М.Д. Лекарственные средства. 16-е изд. М., 2010.
2. Яхонтов Л. Н., Глушков Р. Г. Синтетические лекарственные средства. М., 1983.
3. Foss M. H., Hurley...
The spectral characteristics of shadow response in mature adults of Lymnaea stagnalis
Comparative research on spectral dependence between the appearance of shadow defensive reflex in intact and eyeless adults of Lymnaea stagnalis proved the excitatory role of dermal photoreception and the inhibitory role of the ocular one. The shape of the curve and the modified spectral maximum of the absorption of dermal light-sensitive pigment (490 nanometers) allow the authors to suppose the presence of rhodopsin-like pigment in dermal photoreceptors.
1.
Жуков В.
В.,
Король...
Expansion of the arsenal of physical research methods of liquid dielectric examples exotic types of vegetable oils
Research topic: the applicability of an external feature — electret-thermal analysis — to the study of liquid dielectrics, which are exotic types of edible vegetable oils.
The purpose of scientific research: to establish the relationship of the current response with heating of oil samples with their fatty acid composition.
Description of the research methodology: for the analysis of samples of vegetable oils (pumpkin, walnuts, black cumin), the method of electret-thermal analysis, that...
The characteristics of the energy spectrum of mixture ratio and air temperature in the troposphere of the Antarctic
This article analyses the characteristics of the energy spectrum of mixture ratio and air temperature in the troposphere of the Antarctic obtained by Fourier analysis. Selected peaks of spectral density of mixing ratio and air temperature monthly averages are interpreted as annual and semi-annual fluctuations. The spectral density of random function is considered as the energy spectrum of functions. It is shown that activity zones are present in the troposphere of the Antarctic.
1. Аверьянов...
Generalized Evans function for continuous spectrum
The task is to define a function EH(λ), such that if { n } are the points of the continuous spectrum of operator H and n λ λ , then EH(λ) is defined and is non-zero.
1.
Evans J.
W.
Nerve axon equations. Stability of the nerve impulse // Indiana Univ. Math. J. 1972/73. 22. P. 577—593.
2.
Leble S.
B., Salle M.
A., Yurov A.
V.
Darboux transforms for Davey — Stewartson equations and solitons in multidimensions // Inverse Problems. 1992. Vol. 8, №
2. P. 207—218...
The border as a barrier and an incentive for the structural economic transformation of the Kaliningrad exclave
This paper aims to study how geopolitical shifts affect regional economies and their structures. Border functions and regimes act as tools for the economy and society to adapt to the redistribution of political influence, movements of people, goods, capital and information between integration associations, individual countries and their cores. A changed environment may slow down the development of some industries (and even cause them to decline) and give a boost to others, with these two processes...
The equilibrium states of a mtDNA mutagenesis: an analytics approach
The article is dedicated to the task of construction and analysis of exactly solvable mathematical model for the mutagenesis in mitochondrial DNA (mtDNA). We begin by demonstrating that the average amounts of all four types of nucleotides (adenine A, guanine G, cytosine C and thymine T) is determined by a system of four O. D. E.’s of first order, and that this system is further reducible to a single linear inhomogeneous O. D. E. of third order. Next, we classify all possible solutions to...
Clinical cases, pathogenesis and diagnosis of catatonia in affective disorders (depression and mania) in adolescents
Catatonia is an important syndrome found in both psychiatry and general medicine. However, identification and treatment of this phenomenon is difficult without modern diagnostic scales for catatonia.
Purpose — to describe the cases of inhibited and excitable catatonia in adolescents with affective disorders.
Methods — clinical observation in accordance with the ICD-10 diagnostic criteria for affective disorders in depression and mania, the use of Beck depression scale, Beck anxiety...
Calculation method of the channel potential possibilities of surface vessel radiocommunication system in the mode of pseudo-random frequency tuning
The article is devoted to the definition of methodological approaches to the development of multi-channel duplex radio communication systems that ensure reliable operation on a surface vessel. The research provides analytical expressions for the calculation of the possible number of transmit-receive channels in the model, depending on the signal spectrum width in the channel. The proposed software allows you to quickly calculate the parameters of the communication system.
1. Катанович...
An influence of initial irregularities geometry on developments of the Rayleigh-Taylor instability in the equatorial F-layer of the ionosphere
Results of numerical simulation of the Rayleigh — Taylor instability for different geometrical characteristics of the initial irregularities for evening equatorial conditions based on electrodynamically coherent mathematical model of the equatorial ionosphere F-layer are given. It is shown that increase only in the vertical extent of initial irregularity significantly accelerates development a rayleigh-Taylor bubble whereas increase only in lateral dimensions of initial irregularity insignificantly...
‘Theory of mind’ in explaining verbal and cognitive dysfunctions in autistic children and its experimental test
This article considers the main principles of ‘theory of mind’ as a cognitive theory explaining verbal and cognitive dysfunctions in children with autism spectrum disorder. The article presents some results of testing this theory through a psycholinguistic experiment that involved 16 students from special schools. It is concluded that, in the case of autistic children, it is more correct to speak of a deficiency, rather than a complete absence of a ‘theory of mind’.
1. Сергиенко...
Digital smart technologies as a method of expansion of educational field physical laboratory of general physics
We study the problem of expanding workshops on physics at the inclusion of interactive digital technologies. The article introduced the concept of internal and external IQ software users. As part of the a workshop on the physics, to the intelligent digital technologies include computer algebra systems, virtual instrumentation. The examples two laboratory works on atomic physics, illustrating methods of expansion of educational resources by means of intelligent digital technology. In the first study...
The calculation of the spectrum of nuclear quadrupole resonance deuterium replaced methyl group
Values for quadrupole energy levels of CD3 molecule are obtained. Besides the energy values stationary states of this system is marked by total spin projection on the molecular symmetry axis. Nuclear selection rule for radiative transitions is M 1. The radiative transition frequencies are calculated and it is obtained, that spectrum have a dublet and triplet structure.
1. Варшалович Д. А., Москалев А. Н., Херсонский В. К. Квантовая теория...
A mathematical model of conversion of GaAs substrate into thin GaNxAs1-x films obtained by nitridation of porous GaAs substrate
A mathematical model of conversion of GaAS substrate into thin GaNxAs1-x films obtained by nitridation of porous GaAs substrate are presented. The technologic conditions influence on GaNxAs1-x parameters are discussed. The comparative analysis of both experimental and theoretic data was applied for optimization nitridation conditions in order to obtain «soft» substrates for GaN growth. The results will help to decrease mechanical strains in GaN/GaAs semiconductors structures. For solving and analysis...
About the method of estimating the parameters of seismic signals
The advantages of using the method of Matrix pencil method in order spectral analysis of the signals received at seismic sensors. This use will in-crease the effectiveness of application of seismic sensors in a wide range of technical equipments, securing the perimeter, access control, geophysical in-struments, and so on.
Волков А. Д. Применение сейсмодатчика МЕТ1003 в экспериментальной технике // Прикладная физика. 2011...
An instability of the equatorial F-layer of the ionosphere under conditions of alternating electric fields
The results of numerical simulation of Rayleigh-Taylor instability under conditions of alternating electric fields on the basis of electrodynamically consistent mathematical model of the Equatorial F-layer of the ionosphere.
1. Грэд Г. О кинетической теории разреженных газов // Механика. 1952. Вып. 4. С. 71—79 ; Вып. 5. С. 61—96.
2. Гершман Б. Н. Динамика ионосферной плазмы. М., 1974.
3. Кащенко...
The research of surface features of the film CdS, fabricated by hydrochemical deposition on textured silicon substate
Investigated by atomic force microscopy and Auger electron spectrometry the surface of films CdS, formed by hydrochemical deposition on textured silicon substrate. It is shown that the film CdS thus manufactured characterized inhomogeneous distribution of size structural elements and chemical composition over the surface. These films are appropriate for use in photovoltaic solar power converters on based heterostructures CdS/Si(p).
1. Шарма Б. Л. Полупроводниковые гетеропереходы...
On the analysis of NMR spectra
This paper presents a new method for analysing complex NMR spectra. This method is based on creating entangled spin states of a selected group of nuclei. The approach is tested through analysing the NMR spectrum of ethyl alcohol.
1. Гюнтер Х. Введение в курс спектроскопии ЯМР. М., 1984.
2. Сликтер Ч. Основы теории магнитного резонанса. М., 1967.
3. Варшалович Д. А., Москалев А. Н., Херсонский...
Development an Rayleigh-Taylor instability in the equatorial ionosphere from stochastic ionosphere irregularities
Processes of development of instability of Rayleigh-Taylor in the equatorial region of the ionosphere from accidentally given small perturbations of lower part of F-layer of the ionosphere
1. Гершман Б. Н, Ерухимов Л. М., Яшин Ю. Я. Волновые явления в ионосфере и космической плазме. М., 1984.
2. Гершман Б. Н., Казимировский Э. С., Кокоуров В. Д., Чернобровкина H. A. Явление...
Algebra method of the construction of the Maxwell equations in a 2D inhomogeneous dielectric
We study discrete isospectral symmetries for the linear problem in spatial dimensions two, by developing a Darboux (Moutard) transformation formalism for this problem. As an application, we construct some singular and nonsingular integrable potentials (dielectric permitivity) for the Maxwell equations in a 2D inhomogeneous medium.
1. Yurova A. A., Yurov A. V., Rudnev M. Darboux transformation for classical acoustic spectral problem // Interntional Journal of Mathematics and Mathematical Sciences...
The ageing and morphology of porous glasses with embedded materials
The ageing of nanocomposites (NCM) on the base of porous glasses with NaNO2 and NaNO3 embedded into pores has been studied. It is shown that storage of NCM at ambient conditions leads to creeping out of salts and recrystallization on sample surface. Space distribution of tin filled up the pores of porous glasses has been studied using a combination of ionic etching and Auger-spectroscopy.
1. Golosovsky I. V., Mirebeau I., Sakhnenko V. P. et al. Evolution of the magnetic phase transition in MnO confined...
The method of multipulse registration of nuclear magnetic resonance signal in unhomogeneous magnetic field
This paper presents the results of a series of experiments whose purpose was to investigate the possible use of composite pulses to improve the homogeneity of the magnetic field and study the possibility of identifying compounds based on the relaxation characteristics of the NMR signals.
1. Хаусен К. Х., Кальбитцер Х. Р. ЯМР в медицине и биологии. Киев, 1993.
2. Эрнст Р., Боденхаузен Дж., Вокаун А. ЯМР в одном и двух...
Modeling of H Thermal Ions Measurements onboard Charged Satellite Taking into Account Anisotropy of Temperature
The mass-spectrometer model of thermal ionospheric ions measurements was considered in case of charged satellite. Hyperboloid device characteristics onboard Interball-2 satellite was used for mathematical model of measurements. It was shown that angular ion distribution function changed due to temperature anisotropy and it can be interprets by different ways. Positive satellite potential increases these effects.
1.
Hamelin
M
.,
Bouhram
M
.,
Dubouloz
N
.
et
al
.
Combined effects of satellite...
Characterization and use of synthesized antimicrobial peptide in the composition of biodegradable food film
One direction in the development of food packaging involves the use of biodegradable safe materials along with antimicrobial agents. Among the promising prescribed ingredients for biodegradable films are biopeptides with antimicrobial properties. The research goal was to develop a biodegradable food film using a synthesized antimicrobial peptide. The objects of the study were the peptide, test strains of C. albicans, Escherichia coli, and Bacillus subtilis. The confirmation of the purity and primary...
Historical policy and memorial culture of modern Romanian society
The aim of the research is to analyze the contemporary politics of memory in Romania in the early 2020s. The author examines the role and place of intellectual communities as key spaces of memory genesis and the functioning of memorial culture and collective historical memory in the contemporary social and political thought of Romania. The novelty of the study lies in exploring the current stage in the development of the historical politics of Romanian society in the context of an objective deficit...
The two-party tendency in Poland’s political system: manifestations, causes and prospects
The article analyses the Polish political system and the increasing role of two political parties in it. This tendency has been observed in Poland for more than 15 years. We can draw a conclusion that two-and-a-half-party system has formed in Poland. Using Duverger’s phrasing, there is a “two-party tendency” in the functioning of the Polish model. The study analyses the facts that firm up this conclusion: not only the distribution of seats in the Sejm (the main criterion) but also many other...
Peculiarities of obtaining fodder amino acids when culturing Corynebacterium on soybean melasse
Currently, soybeans and soybean derivatives are widely used for food and animal feed. A significant content of carbohydrates in soy molasses makes it possible to use it as a component of a nutrient medium for cultivating microorganisms that produce feed amino acids. The aim of this work was to study the process of biosynthesis of feed amino acids on a soy molasses medium using bacterial strains of the genus Corynebacterium glutamicum. The following research methods were used: microscopy, spectrometry...
On the study of yeasts consortia ethanol producing abilities
The production of bioethanol from non-food feedstock is considered to be a promising alternative to conventional ethanol production from food crops. However, a number of significant technological drawbacks does not allow the industrial production of bioethanol. There is the problem of screening the most effective microorganisms-producers in particular. Due to multicomponent composition of substrate, the use of several strains of microorganisms is considered to be more effective than that of one strain...
ASK design features laboratory workshop on atomic physics taking into account the new SI-2019 system
Changes in the SI-2019 system are proposed to be taken into account by correcting of the educational experiment in atomic physics. From the data on the emission spectrum of atomic hydrogen, it was proposed to calculate not only the Rydberg constant, but also the effective mass of the electron, the refractive index of air. It is shown that a digital spectrometer allows one to quantitatively study the isotope effect of a proton.
Pets A. V.
SI system, educational experiment in atomic...
Functions of syntactic structures in the context of jakobson’s model of communication
The article discusses the role of the syntactic level of the organisation of a poetic text in the formation of a model of literary communication. The research aims to identify the role of syntactic structures in the construction of lyric discourse and to explore the poetic function of grammar units in the text. The author employs the principles and techniques of linguopoetic analysis and the methodology of constructing a communicative act, which was developed in the works of Vinogradov, Shcherba...
Transmitting antenna system for radio frequency methods of substance research
The paper considers the design of the transmitting antenna system intended for use in the technique of radio-frequency methods of substance research and justifies its advantages. It is advisable to use the device when studying objects located outside the receiving and transmitting circuits. At the same time, the operating frequencies for which it is designed, occupy a wide spectrum, covering the ranges from myriameter to decameter waves, which implies a high uniformity of the radiated power...
The closed piecewise uniform string revisited
We reconsider the composite string model introduced 30 years ago to study the vacuum energy. The model consists of a scalar field, describing the transversal vibrations of a string consisting of piecewise constant sections with different tensions and mass densities, keeping the speed of light constant across the section. We consider the spectrum using transfer matrices and Chebyshev polynomials to get a closed formula for the eigenfrequencies. We calculate vacuum and free energy as well as the entropy...
Translation of new sociological terminology: challenges and solutions
Rapid development of concepts in modern sociology leads to the emergence of a large number of neological terms. Currently, the academic language of Russian sociology sees an active expansion of foreign language terminology and translated terms reflecting changes in the English-language social picture of the world. However, the lack of consistency in intra-lingual and inter-lingual translation of new terms may complicate the understanding of this terminology by representatives of multilingual academic...
Features of connecting measuring devices with the software package Matlab
The paper describes an algorithm for integrating digital measuring devices with a personal computer as part of a multifunctional instrument complex for using the resources of the Matlab application software package for recording and processing received signals. The basic device is a memory oscilloscope manufactured by «Tektronix», which has proven itself in laboratory experiments on radio spectroscopy. The proposed procedure for connecting the oscilloscope to the software package is a sequence...
Finite-difference-steepest descent paradigm: new numerical method of Fockian spectral problem
A new numerical method that unify finite-difference and the method of steepest descent paradigms is suggested. It allows to avoid the wavefuncions space and spin variables division, that leads to superposition in spin projection stacionary states. The approach is verified by comparison with conventional methods.
Kshevetskii S. P.
Hartree — Fock equation, Fockian, wavefunction, Hamiltonian, electron, exchange
90-103
The influence of implantation on the bright-ness of nitrogen-vacancy centers
We investigate the properties of spin states in the electronic ground state of a single nitrogen-vacancy center (NV–) in 13C-enriched diamond. The analysis is based on application of a method that uses a complete set of commuting operators (CSCO). Each state is characterized by a single set of values of CSCO. The properties of the spin states change at the level anti-crossing (LAC). This change leads to an increase in the spin-lattice relaxation rate and to a change in the ODMR spectrum. The...
Photoluminescence of the 15NV–-center created by implantation
We study the properties of the spin states in single diamond 15NV–-center at the ground state level anti-crossing. Our approach uses a complete set of commuting operators. We have shown that under certain conditions in 15NV–-center it is possible to obtain a 100 % transfer of polarization from the electron spin to the spin of the 15N nucleus. We believe that these conditions can be satisfied for 15NV–-centers obtained by implantation.
1. Jelezko F., Gaebel T., Popa I. et al. Observation...
Reactions of dibenzothiazine amination of quinone derivatives on a «copper film»
Interest in nitrogen-containing heterocycles can be brought about by the possibility of obtaining organic compounds with new properties by introducing various substituents into the structure. The aim of this work is to aminate quinoid structures with dibenzothiazine to produce condensed heterocycles with a bridged nitrogen atom. It is the N-substituted derivatives that form a bridge between the dibenzothiazine molecule and the substituent that are considered as the most promising substances....
Estimation of Target Elevation Angles in Meter Radars
The problem of estimating the angles of the target location in the radar meter wave range, associated with the interference of direct and reflected from the earth's surface waves. In the area of small site angles, the directional patterns for the forward and reflected waves merge together and significantly distort the estimates of the target site angles. The possibility of solving the problem of estimating the angles of the target site by three methods is analyzed: the method of angular spectral...
1+1-Dimensional Yang — Mills Equations and Mass via Quasiclassical Correction to Action
Two-dimensional Yang — Mills models in a pseudo-euclidean space are considered from a point of view of a class of nonlinear Klein — Gordon — Fock equations. It is shown that the Nahm reduction does not work, another, novel choice is proposed and investigated. A quasiclassical quantization of the models is based on Feynmann — Maslov path integral construction and its zeta function representation in terms of a Green function diagonal for an auxiliary heat equation with an elliptic potential...
Translation: the puzzle of colour
This research contributes to the study of colour terms as a cognitive phenomenon. Since colour is not a universal concept and an ordinary mind does not perceive colour separately from the object, it is possible to observe the knowledge about colour, which exists in the language but does not exist in its physical sense. We hold that the given knowledge is the cause of significant difficulties arising in the translation of various colour terms, though the nature of these terms existence should not...
Synthesis of some nitrogen-containing heterocycles based on benzotriazole and bromo-substituted and condensed quinones
In this article, we describe the process of obtaining nitrogen-containing heterocycles based on benzotriazole and bromo-substituted and condensed quinones. As known, nitrogen-containing heterocyclic compounds containing amide function are used in the synthesis of biologically active substances. One can expect products synthesized with quinones and heterocyclic amines of the benzotriazole series to have a wide spectrum of biological activity and other useful properties.
1. Monbaliu J.-C. M. The...
Assessment of hepatic volume ex vivo by the formulas of the ultrasound volumetry
The article focuses on determination of the liver volume which is an urgent task for clinical medicine. It is directly connected to the need for an objective quantitative assessment of organ size. The complexity of calculating the volume is due to an irregular geometric shape of the organ, which can not be approximated to an ellipse or any other geometric figure. The aim of the study is to ex vivo evaluate the possibilities of measuring the volume of the liver based on the linear dimensions of the...
Two-dimensional supersymmetric quantum mechanics and the Moutard transformations
This is a treatise on a two-dimensional supersymmetric hamiltonian H whose components consists of two scalar (h0, h1) and one matrix-valued hml quantum-mechanical Hamiltonians with constant terms added to the mix. In particular, the article discusses the ways to utilize a known solution of the spectral problem for operator h0 in the multi-dimensional generalization of the factorization method in order to pro-duce such hml and h1 that their ground-state eigenvalues will be identical...
he new formula of the liver volume calculation: the integration into the automatic ultrasound diagnostic work station (AWS) "Assistant"
The previous research work of the team (M. V. Martinovich et al.) developed a new formula for in vivo liver volume calculating using the genetic algorithm method. The purpose of this work was the integration of the formula in the automatic ultrasound diagnostic work station (AWS) "Assistant”. To achieve the goal, a number of the research objectives have been set. The possibility of assessing the size of the liver on the basis of its volume is a means of objectifying the diagnostic process...
Features of electro-physical processes in the photovoltaic solar energy converters with a film of porous silicon
The article introduces the results of the research of the impedance hodographs and the capacitance-voltage characteristics of silicon photovoltaic solar energy converters based on the n+-p- junction with the antireflection coating of porous silicon on n+- region surface. The equivalent circuit of the semiconductor structure under investigation in the form of a series circuit with the constant phase elements is developed. The form of experimental capacitancevoltage characteristics is proposed.
...
The ultrasound volumetry: selecting optimal formula based on linear liver dimensions (ex vivo study)
The authors aim to identify the most optimal formula for calculating the volume of liver based on its linear size ex vivo. The authors measured liver volume in thirty-three corpses by placing the liver in water and calculating the displaced volume of the liquid. Liver was measured in each case. The data were then compared with the ones obtained by using five different formulas comprising linear liver measurements.
1. Изранов В. А., Казанцева Н. В., Белецкая М. А....
Use of the genetic algorithm for devising a formula for liver volumetry
The authors propose a method of liver volumetry using anthropometric data and the data obtained during an ultrasound examination. The algorithm is built on the basis of a genetic algorithm with coefficients calculated using linear regression. It is shown that the new formula is more accurate than previously proposed ones. The algorithm can be used to work out volumetric formulas for other organs in radiological studies.
1. Изранов В. А., Казанцева Н. В., Мартинович...