bluuebunny/crossref_metadata_2025 huggingface dataset:
Productivity index of horizontal well in Mishrif formation of Buzurgan oil field – Case study
Authors: Jreou Ghazwan N S
Published: July 2021

Horizontal good technology is one of the recent methods in the drilling and exploitation of geological formations in the best and optimal ways, because of the many and comprehensive advantages that these wells enjoy with the most important measurement and prediction index called productivity index. Which is equivalent to several times higher than the vertical well productivity index, if the field is invested by drilling vertical wells only.

The current research focuses on calculating the productivity index by proposing the development point of view of the reservoir formation in the Burgan oil field through the production of oil from the production units approved in the formation (MB21, MC1, MC2) by using of horizontal good technology and comparing it with the value of the productivity index of vertical wells in the same production units.

Well-known published methods adopted in the case of steady state and pseudo steady state were used in the calculations of the productivity index, and by comparison with the standard observed results, it was found that the Joshi method was closer than others in the calculations of the productivity index for both steady and pseudo steady state cases. Then the calculations were completed taking into account all conditions and factors that have a significant role in the value of the calculated productivity index.

The obtained results revealed that PI increases with [well length, isotropy ratio (Kv/Kh), well thickness vs. well length] increase, while it was decreased with [ drainage area] increase in the case of steady state conditions. Also, the PI increase with length increase in the case of Pseudo steady state condition for all the studied methods, and both of Kuchuck and Economides methods seem to be close in obtained results, but Economides is the closest one to the reality and importance in application with the present case. Completion configuration has an effluence on the PI, and it is increasing with the increase of well opening to the production for such well length.

Also, all the results indicated that the use of this type of technology in the field development is good and promising, and gave valuable, excellent, and optimistic results for the future production of the field in a profitable manner.
Numerical Algorithms for Simulation of a Fluid-Filed Fracture Evolution in a Poroelastic Medium
Authors: Borisov V. E , Ivanov A. V , Kritsky B. V , Savenkov E. B
Published: July 2021

The paper deals with the computational framework for the numerical simulation of the three dimensional fluid-filled fracture evolution in a poroelastic medium. The model consists of several groups of equations including the Biot poroelastic model to describe a bulk medium behavior, Reynold’s lubrication equations to describe a flow inside fracture and corresponding bulk/fracture interface conditions. The geometric model of the fracture assumes that it is described as an arbitrary sufficiently smooth surface with a boundary. Main attention is paid to describing numerical algorithms for particular problems (poroelasticity, fracture fluid flow, fracture evolution) as well as an algorithm for the coupled problem solution. An implicit fracture mid-surface representation approach based on the closest point projection operator is a particular feature of the proposed algorithms. Such a representation is used to describe the fracture mid-surface in the poroelastic solver, Reynold’s lubrication equation solver and for simulation of fracture evolutions. The poroelastic solver is based on a special variant of X-FEM algorithms, which uses the closest point representation of the fracture. To solve Reynold’s lubrication equations, which model the fluid flow in fracture, a finite element version of the closet point projection method for PDEs surface is used. As a result, the algorithm for the coupled problem is purely Eulerian and uses the same finite element mesh to solve equations defined in the bulk and on the fracture mid-surface. Finally, we present results of the numerical simulations which demonstrate possibilities of the proposed numerical techniques, in particular, a problem in a media with a heterogeneous distribution of transport, elastic and toughness properties.
The Image-Based Finite Element Evaluation of the Deformed State
Authors: Vorobiev O. V , Semenova E. V , Mukhin D. A , Statsenko E. O , Baltina T. V , Gerasimov O. V
Published: July 2021

The article presents one of the possible approaches to modeling objects with anisotropic properties based on images of the study area. Data from such images are taken into account when building a numerical model. In this case, material inhomogeneity can be included by integrating the local stiffness matrix of each finite element with a certain weight function. The purpose of the presented work is to develop a finite element for the formation of a computational ensemble and simulation of mechanical behavior taking into account the data of two-dimensional medical images. To implement the proposed approach, we used the assumption that there is a correlation between the values in the image pixels and the elastic properties of the material. Meshing was based on a four-node plane finite element. This approach allows using the quantitative phase or scanning electronic images, as well as computed tomography data. A number of test problems for compression of elementary geometry samples were calculated. The distal part of the rat femur was considered as a model problem. A computed tomography scan of the sample was used to construct a numerical model taking into account the inhomogeneity of the material distribution inside the organ. The distribution field of the nodal displacements based on data obtained from the images of the study area is presented. Within the framework of a model problem, we considered how a computer tomograph resolution influences the quality of the obtained results. For this purpose, calculations were carried out based on compressed input medical images.
On the Theory of Elasticity of Microinhomogeneous Media with Account for Stochastic Changes in the Connectivity of Constituent Components
Authors: Saraev L. A
Published: July 2021

The paper proposes a mathematical model aimed at calculating the effective elastic moduli of a micro-inhomogeneous two-component isotropic composite material, which components are connected randomly depending on the level of their relative volumetric contents. A stochastic equation is formulated for the connectivity parameter of the constituent components, according to which, with an increase in the volumetric content of the filler, individual inclusions build the structures of the matrix mixture in the form of interpenetrating frameworks, and then turn into a new binding matrix with individual inclusions from the material of the rest of the old matrix. The algorithm for the numerical solution of this stochastic differential equation is constructed in accordance with the Euler-Maruyama method. For each implementation of this algorithm, the corresponding stochastic trajectories are constructed for the random connectivity function of the constituent components of the composite material. A variant of the method aimed at calculating the mathematical expectation of a random connectivity function of the constituent components has been developed and the corresponding differential equation has been obtained for it. It is shown that the numerical solution of this equation and the average value of the production factor function calculated for all realizations of stochastic trajectories give close numerical values. New macroscopic constitutive relations are found for microinhomogeneous materials with a variable microstructure and their effective elastic moduli are calculated. It is noted that the formulas for these effective elastic moduli generalize the known results for isotropic composite materials. The values of the effective elastic moduli, constructed according to the expressions obtained in the paper, lie within the Khashin-Shtrikman range for the lower and upper bounds of the effective elastic moduli of the composite materials. The numerical analysis of the developed models showed a good agreement with the known experimental data.
Modeling the Mechanical Response of Auxetic Metamaterials to Dynamic Effects
Authors: Skripnyak V. V , Chirkov M. O , Skripnyak V. A
Published: July 2021

The paper investigates the mechanical response of a 3D auxetic structure created on the basis of a unit cell with pre-buckled structural elements to dynamic loading. The aim of the work is to study deformations of the auxetic structure made of an alpha titanium alloy during uniaxial compression at 100 m/s, to evaluate dissipative properties of the structure during high-speed deformation, and to estimate the characteristic time of the metamaterial’s compaction with a relative density of 0.0115. The numerical simulation of the metamaterial at effective strain rate of 2000 1/s has been performed using LS DYNA solver. To describe the mechanical behavior of the titanium alloy in frame elements, we use a model of an elastic-plastic damaged medium, which takes into account the strain rate sensitivity of the plastic flow, temperature changes due to dissipative effects, and the effect of the stress state triaxiality parameter on nucleation and growth of structural damages. The numerical studies have shown that the auxetic effect in the studied metamaterial is retained under high-rate elastoplastic deformation. At a speed of the uniaxial compression of 100 m/s, deformation in the volume of the metamaterial proceeds nonuniformly. Under dynamic loading of the considered auxetic metamaterial, the deformation and fracture modes depend not only on the parameters of the cell geometry, but also on the mechanical behavior of the framework material, as well as on the relative density. This makes it possible to control the deformations of the cells under mechanical stress. Layers of compacted cells are formed near the dynamic loading surface. The instability of the cells of the auxetic metamaterials increases the absorbed energy. The calculated value of the specific absorbed energy under dynamic uniaxial compression reaches 3.4 kJ/kg, and is comparable with the values for frame structures made of Ti-6Al-4V with an equivalent specific mass density. The results indicate the possibility of creating protective structures using auxetic cellular structures on the base of the pre-buckled elements of the rolled metal.
Exploring absent protein function in yeast: assaying post translational modification and human genetic variation
Authors: Moesslacher Christina S. , Kohlmayr Johanna M. , Stelzl Ulrich
Published: July 2021

Yeast is a valuable eukaryotic model organism that has evolved many processes conserved up to humans, yet many protein functions, including certain DNA and protein modifications, are absent. It is this absence of protein function that is fundamental to approaches using yeast as an in vivo test system to investigate human proteins. Functionality of the heterologous expressed proteins is connected to a quantitative, selectable phenotype, enabling the systematic analyses of mechanisms and specificity of DNA modification, post-translational protein modifications as well as the impact of annotated cancer mutations and coding variation on protein activity and interaction. Through continuous improvements of yeast screening systems, this is increasingly carried out on a global scale using deep mutational scanning approaches. Here we discuss the applicability of yeast systems to investigate absent human protein function with a specific focus on the impact of protein variation on protein-protein interaction modulation.
Genome, transcriptome and secretome analyses of the antagonistic, yeast-like fungus Aureobasidium pullulans to identify potential biocontrol genes
Authors: Rueda-Mejia Maria Paula , Nägeli Lukas , Lutz Stefanie , Hayes Richard D. , Varadarajan Adithi R. , Grigoriev Igor V. , Ahrens Christian H. , Freimoser Florian M.
Published: July 2021

Aureobasidium pullulans is an extremotolerant, cosmopolitan yeast-like fungus that successfully colonises vastly different ecological niches. The species is widely used in biotechnology and successfully applied as a commercial biocontrol agent against postharvest diseases and fireblight. However, the exact mechanisms that are responsible for its antagonistic activity against diverse plant pathogens are not known at the molecular level. Thus, it is difficult to optimise and improve the biocontrol applications of this species. As a foundation for elucidating biocontrol mechanisms, we have de novo assembled a high-quality reference genome of a strongly antagonistic A. pullulans strain, performed dual RNA-seq experiments, and analysed proteins secreted during the interaction with the plant pathogen Fusarium oxysporum. Based on the genome annotation, potential biocontrol genes were predicted to encode secreted hydrolases or to be part of secondary metabolite clusters (e.g., NRPS-like, NRPS, T1PKS, terpene, and β-lactone clusters). Transcriptome and secretome analyses defined a subset of 79 A. pullulans genes (among the 10,925 annotated genes) that were transcriptionally upregulated or exclusively detected at the protein level during the competition with F. oxysporum. These potential biocontrol genes comprised predicted secreted hydrolases such as glycosylases, esterases, and proteases, as well as genes encoding enzymes, which are predicted to be involved in the synthesis of secondary metabolites. This study highlights the value of a sequential approach starting with genome mining and consecutive transcriptome and secretome analyses in order to identify a limited number of potential target genes for detailed, functional analyses.
Arnold Esch (2019). Von Venedig ins Heilige Land und nach Ägypten. Pilgerberichte als historische Quelle (Römische Quartalschrift, 2019, Bd.114, H.1-2, S.56-79. ISSN 0035-7812)
Authors: Buzykina I. N.
Published: July 2021

В публикации представлен обзор статьи доктора профессора Арнольда Эша, посвященной различным аспектам паломнических записок в качестве исторического источника. Доктор А. Эш представляет многогранную картину мира позднего Средневековья непосредственно перед эпохой географических открытий через призму источников личного происхождения.
Review. Buseva-Davydova I. L. (2019) Russian Icon painting from Armory Chamber to Modern: looking for sacred image. SPb., 2019.
Authors: Buzykina Yu. N.
Published: July 2021

Рецензия на книгу: Бусева-Давыдова И. Л. Русская иконопись от Оружейной Палаты до модерна: поиски сакрального образа
Historical Network Analysis. A Local, Regional, and Global Approach to Soviet Church History
Authors: Boeckh K.
Published: July 2021

The article introduces historical network analysis as a fruitful approach for scrutinizing social and other relations in church and religious history. The goal is to broaden the methodology of studying events, dynamics and processes of the past with a new perspective. This concept will shed fresh light on complex confessional relations but will also take into account relevant contexts as well as comparative aspects. The approach is promising for broadening the horizon to find new observations especially for social milieus and arenas of actions. The concept allows to re-evaluate historical sources and to detect silenced spheres and unexpected layers of acting. It can trace hidden contacts, follow personal relations cross borders — local, regional and national describe interdenominational ties during the Cold War within the Soviet Union and abroad, the functioning of underground churches, methods and ways of clandestine communication and much more.
Medical translation: a mapping of Brazilian dissertations and thesis written between 2002 - 2018
Authors: Ferreira Fábio Luiz , Malta Gleiton
Published: July 2021

This is a bibliometric mapping of studies conducted on medical translation in Brazil. The primary objective is to map master’s, doctoral, and post-doctoral studies from 2002 to 2018, identifying the topics covered, the institutions, and the geographic regions in which they were carried out. The significance of the present study lies in the fact that it indicates regions and institutions, where research on medical translation is conducted, and reveals the regions in which this type of study is scarce. In both cases, the mapping can serve as a reference for researchers who are interested in this area of knowledge.     In addition, the mapping can offer input for the implementation of public policies that encourage the development of studies in the area. Data were collected in three digital platforms, namely Domínio Público, Biblioteca Digital de Teses e Dissertações, and Catálogo de Teses e Dissertações da CAPES, by means of typing different keywords in Portuguese, in the search windows available. Of the 14 studies found, 28.6% were doctoral dissertations and 71.4% were master’s theses. All of the studies were conducted in the southeastern and southern regions of Brazil. Cardiology and general biomedicine were the most frequent topics   followed by anesthesiology, orthopedics, cardiovascular surgery, arterial hypertension, physiology, geriatrics, gerontology, nutrition, and pharmacy.
The Influence of Audience Involvement on Self-Congruity and Destination Satisfaction: An application the Parasocial Interaction Theory and Balance Theory
Authors:   The Tourism Sciences Society Of Korea, Lee Eun-Ji , Bai Jiao , Chung Nam-Ho , Koo Chul-Mo
Published: July 2021

Media-induced tourism, which involves visits to place associate with films, television programs, and literature, has become a growing phenomenon, and theses research has proliferated in recent decades. Nevertheless, there is a lack of cross-disciplinary academic investigation into audiences' psychological processing on offline tourism. This study attempted to investigate the extent to which audience involvement with K-drama affects self-congruity and destination satisfaction. Specifically, The relationships and intervening mechanisms between audience involvement, self-congruity on K-drama, and tourist attitudes on destination(self-congruity on destination and destination satisfaction) were examined based on parasocial interaction theory and balance theory. Structural equation modeling (SEM) using partial least squares (PLS) via SmartPLS 3.0 was employed for analysis of the survey data(a sample of 447 respondents), using the 5000 bootstrap-samples procedure. The study identified 'self-congruity on K-drama' as significant mediators in predicting 'self-congruity on destination' and 'destination satisfaction'. The findings contribute to an improved understanding of how audience involvement affects tourist attitude on destination and the extent to which self-congruity on K-drama mediates the relationship. Practical implications of using film or culture contents for marketing are drawn from the findings of our study.
AR Experience Design to Improve AR Satisfaction and Willingness to Pay in Smart Tourism Cities
Authors:   The Tourism Sciences Society Of Korea, Lee Sun-Young , Lee Hyun-Ae , Ham Ju-Yeon
Published: July 2021

Augmented reality (AR) acceptance depends on the characteristic and background of a traveler and experiential characteristics of an AR application. This study aims to understand the configurations of the two types of travel motivations and four factors of the experience suggested by Pine and Gilmore on tourist’s AR satisfaction and willingness to pay on AR. The data are collected through an experiment using an AR of Casa Batlló in Barcelona, Spain, which is one of the most successful case as an exemplary. A total of 56 data analyzed using fuzzy-set qualitative comparative analysis, four patterns show high AR satisfaction, and two patterns show high willingness to pay for AR. In particular, education was found to be the most important experience economy factor for high AR satisfaction and willingness to pay. Passive participation (entertainment + aesthetics) was also found to be an predictor of AR satisfaction and willingness to pay. Results of this study suggest that, when designing AR content with high satisfaction and willingness to pay, creating educational content is the most important, but user participation should be induced while considering entertainment and aesthetics. In addition, it was found that the core experience economy factors influencing the willingness to pay for AR differ in accordance with the motivation of a tourist. This finding suggests a need for a personalized AR service strategy that fits the travel motivation of a tourist.
Proceso de psicoterapia cognitiva posracionalista: Experiencia de adolescentes con desregulación emocional
Authors: Cerda Aedo Bárbara , Cerda Mora Verónica , Godoy Sarmiento Priscila , Venegas Hernández Massiel , Morales Ojeda Ismael
Published: July 2021

Objetivo: Comprender la experiencia de adolescentes con desregulación emocional en un proceso depsicoterapia cognitiva post-racionalista. Metodología: Enfoque cualitativo, adoptando una perspectivafenomenológica. Se busca generar una teoría fundamentada a través de una hipótesis comprensivadesde el modelo teórico cognitivo post-racionalista (Krause, 1995). Resultados: Se pudieron observarcambios significativos en las pacientes intervenidas con respecto a los principales indicadores dedesregulación emocional que se dieron a conocer durante las primeras sesiones, verbalizadas tantopor los pacientes como la información obtenida del establecimiento del cual fueron derivadas. Seconsiguió que las adolescentes experienciaran las emociones, al nivel de comprender el sentido decontinuidad que mantenían y como este se ve alterado al momento de volverse un observador deellas mismas. Conclusiones: Se pudo acompañar al adolescente en este proceso, vivenciando yconociendo los diferentes aspectos que conllevan el realizar una terapia, tanto a nivel profesionalcomo a nivel personal.
Guidance for populating GenomeTrakr metadata templates (BioSample and SRA) v5
Authors: Timme Ruth , Balkey Maria , Wolfgang William , Strain Errol
Published: July 2021

PURPOSE: Guidance on how to populate NCBI's metadata packages, maximizing interoporability for foodborne pathogen surveillance. SCOPE: This protocol provides detailed instructions for populating the following two templates: 1. BioSample metadata: guidelines to populate the custom One Health Enteric Package, which is a modification of NCBI's combined pathogen package. 2. SRA metadata: NCBI's generic sequence metadata template for SRA submissions.
Comparative transcriptomics of Oenothera v1
Authors: Kariñho-Betancourt Eunice
Published: July 2021

We present the comparative transcriptomics protocol employed for evolutionary analysis in the genus Oenothera. We examined genome-wide patterns and functional diversification by searching for orthologous genes and employed phylogenetic inference methods to run gene family evolutionary analysis.
Comparative efficacy of protein creatinine ratio and calcium creatinine ratio in determining organ dysfunction in ante-natal patients with pre-eclampsia
Authors:   Associate Professor, Department of Obstetrics and Gynaecology, Shri Ram Murti Smarak Institute of Medical Sciences, Bareilly, Uttar Pradesh, India, Sah Dr. Shanti , Gupta Dr. Shipra ,   Junior Resident, Department of Obstetrics and Gynaecology, Shri Ram Murti Smarak Institute of Medical Sciences, Bareilly, Uttar Pradesh, India, Goel Dr. Ruchica ,   IVF Consultant, Department of Obstetrics and Gynaecology, Shri Ram Murti Smarak Institute of Medical Sciences, Bareilly, Uttar Pradesh, India
Published: July 2021

Aim: To evaluate the biochemical parameters in determining the severity of pre-eclampsia andcompare the efficacy between protein creatinine ratio and calcium creatinine ratio in determiningorgan dysfunction in ante-natal women with pregnancy-induced hypertension. Material andMethods: 150 cases of pregnancy-induced hypertension admitted in the labour room were studiedin the Department of Obstetrics and Gynaecology, SRMSIMS and were divided into two groups mildand severe pre-eclampsia depending on blood pressure, clinical and biochemical parameters. Variousparameters for renal function and liver function were evaluated along with fundoscopy. Results: Onthe evaluation of various parameters of renal function test and liver function test, a statisticallysignificant p-value was observed with increase in grade of pre-eclampsia. When abnormal organfunctions were compared, it was observed that PCR ≥ 0.3 is associated with 85%, 75.6% and81.25% cases of abnormal fundoscopy, deranged renal function test and deranged liver function testcompared to CCR ≤ 0.04 which was associated with 77%, 78.6% and 65% cases of abnormalfundoscopy, deranged renal function test and deranged liver function test respectively. Conclusion:The degree of derangement among biochemical parameters increases as the disease progresses.Early determination by a single test helps to predict organ involvement and correlates with diseaseseverity.
Personajes históricos y populares en los refranes y frases proverbiales ḥassāníes
Authors: Ould Mohamed Baba Ahmed Salem
Published: July 2021

Los refranes como parte de la tradición oral son unos enunciados relativamente antiguos que permiten conocer los aspectos de la cultura y la sabiduría popular de cualquier sociedad. Estos materiales paremiológicos tienen un gran valor etno-lingüístico en la medida en que se ve en ellos la relación existente entre la lengua y la cultura. En este artículo, se analiza el tema de los personajes históricos y populares que se mencionan en los refranes y frases proverbiales ḥassāníes con el fin de contribuir a un mejor conocimiento del dialecto y la cultura ḥassāní tradicional.
influencia del folclore en los cuentos de la ilustradora Emily Carroll
Authors: Samper Prunera Emili
Published: July 2021

La ilustradora canadiense Emily Carroll ofrece en sus trabajos un muestrario bello y, a la vez, aterrador, de personajes femeninos y de monstruos (visibles u ocultos) que atraen al lector tanto por la forma mostrada como por el trasfondo que esconden. Muchas de sus historias tienen relación con el folclore, ya sea con la inclusión de elementos tradicionales, la reelaboración de personajes, la aparición de determinados monstruos o el uso de elementos estructurales que también encontramos en los relatos de tradición oral. Este artículo pretende seguir esta influencia del folclore en la obra de Carroll teniendo en cuenta de manera especial el libro Through the Woods así como los webcómics que guardan una relación más directa con los relatos tradicionales. El objetivo es ver qué elementos procedentes de la tradición se pueden encontrar en su obra y qué tratamiento y uso hace la autora.
papel de la mujer en los cuentos populares gitanos
Authors: Bálint Zsuzsa
Published: July 2021

En este artículo pretendo demostrar que los cuentos folclóricos pueden ser entendidos como socio-narraciones, o como narraciones significativas dentro de un marco social; por consiguiente, llevaré a cabo un análisis centrado en parámetros sociales fundamentales desde la perspectiva del papel de la mujer. Una de las singularidades de las narraciones folclóricas y, sobre todo, de los cuentos maravillosos en general, es que relatan el itinerario de los jóvenes protagonistas hasta su elevación a la condición de hombres o de mujeres mientras recorren las distintas etapas de la vida, en las que hay que superar pruebas y demostrar valentía y aptitud, características que al final del trayecto ayudan a cumplir destino heroico. Mientras dura este itinerario el héroe/la heroína se rige por patrones de conducta y normas impuestos por la sociedad, y en sus actuaciones procura obedecer a las formas de actuar asimiladas desde su infancia. Por ende, un análisis textual riguroso nos puede acercar hacia la aprehensión del rol y de la imagen que se tiene sobre la mujer según es representada en las narraciones folclóricas recogidas en distintas comunidades gitanas de España y Hungría.
Tradiciones orales en torno a los duendes y otros seres sobrenaturales asociados al agua en la región sur de Jalisco (México)
Authors: Bañuelos Aquino Víctor Manuel
Published: July 2021

En la región sur del estado de Jalisco, México, está el pueblo de Tepec, en el que existen diversas tradiciones en torno a los duendes y otras entidades sobrenaturales. Tomando en cuenta dos relatos dados por narradores del lugar, nos podemos percatar del tipo de representaciones que en este poblado se hace de estos seres del imaginario: por un lado, como entidades que se roban a los niños; y por el otro, como espíritus del agua.

En este ejercicio analítico se hará una muestra de la manera en que son representados los duendes en esta región de Jalisco, y también se hará un trabajo comparativo, tomando en cuenta otras formas en las que se les ha representado en otras regiones del país, con la finalidad de encontrar puntos de similitud y diferencia que nos muestren las características más particulares de estas entidades.
GAS SENSITIVE SEMICONDUCTOR NANOMATERIALS FOR CREATION OF HYDROGEN SENSORS
Authors: Matushko I. , Oleksenko L. , Maksymovych N. , Skolyar G. , Roik O. , Fedorenko G. , Lutsenko L. , Ripko O.
Published: July 2021

Co-precipitaion method and sol-gel technique were used to prepare semiconductor microcrystalline and nanosized SnO2/Sb2O5 and Со/SnO2/Sb2O5 (0.15 wt.% Sb) materials aimed to create high sensitive hydrogen sensors. Morphology and phase composition of the obtained samples were studied by SEM, TEM and XRD methods. It was found that microcrystalline SnO2/Sb2O5 material with particle size of 1–30 μm was obtained by a co-precipitation method and nanosized SnO2/Sb2O5 material with particle size of 5–25 μm (an average size – 12 nm) was obtained by a zol-gel method. Only cassiterite phase was detected for both microcrystalline and nanosized materials.

Sensitivity measurements of the sensors were carried out with using of air-hydrogen mixtures in the concentration range of 40 – 1145 ppm Н2, and dynamic characteristics (response time and relax time) were evaluated for 40 ppm Н2 at different heater power consumptions – 0.25 and 0.35 W. To increase sensitivities of the sensors, cobalt oxide, a known catalyst for hydrogen oxidation, was added to the resulting SnO2/Sb2O5 materials.

It was shown that the sensors obtained by a zol-gel method demonstrate more significant sensitivity to hydrogen concentration in comparison with the sensors obtained by a co-precipitation method. It is probably associated with a higher surface area of the nanomaterial that agrees with its smaller particles as compared with the particles of the microcrystalline material. The Co-containing sensors based on the nanosized SnO2/Sb2O5 material are established to reveal higher sensitivity to Н2 than microcrystalline Co/SnO2/Sb2O5 sensors. The Co-containing sensors based on the nanosized SnO2/Sb2O5 material were found to have better dynamic characteristics than microcrystalline Co/SnO2/Sb2O5 sensors. The sensitivities increase and the response and recovery time decrease were found for both sensor materials at increasing of the sensors heater power consumption. The obtained results can be explained with different degree of energy surface heterogeneity of the used materials. The sensor response time is determined by the time of dynamic equilibrium establishment of the hydrogen oxidation reaction on the sensor surface and the recovery time is determined by the time of desorption of the H2 oxidation reaction products (H2O) from the sensor surface. Because of the processes, the sensor with a gas sensitive layer based on the nanosized material possessing with more homogeneous structure of its surface (according to the obtained TEM data) demonstrates improved gas sensitive properties in comparison with the sensor based on the microcrystalline material. The obtained results concerning the sensitivities to H2 and the dynamic parameters of the created sensors point to possibility of effective usage of the sensors based on the nanomaterial to detect H2 in air in the practice.
OPTICAL AND PHOTOCHEMICAL PROPERTIES OF POLYMERS BASED ON 2-(4-METHACRYOXYSTYRYL)QUINOLINE
Authors: Krupka O. , Smokal V. , Kharchenko O. , Derkowska-Zielinska B.
Published: July 2021

The design and synthesis of new polymer materials with controlled and predictable properties is still a challenge. Photoactive chromophore can be incorporated into a polymer in several different ways: guest-host systems, main chain polymers and side chain polymers. While none of these options are not perfect and each has its advantages and disadvantages. However, the chromophore functionalized polymers were found to be more effective due to: high concentration of the chromophores can be introduced; polymers with chromophore moiety show increased stability of poling induced SHG activity and decrease of the orientation relaxation process; absence of phase separation lessens the scattering losses; such techniques as plasma etching, optically induced index changes, laser ablation, electrical poling can be applied; multilayer phormation assists in easy integration with electronic and optical components.

The principles of design of various molecular photoswitches and logical devices, in particular, those based on the photoisomerization reaction of diarylethylenes have been actively investigated in recent years. Azasubstituted diarylethylenes (DAE) styrylquinolines containing a central double bond and an endocyclic nitrogen atom, have become the subject of interest due to their ability to reversible transformations (photoisomerization and protonation).

In this work, photosensitive polymers were synthesized by radical polymerization of corresponding styrylquinoline derivatives with comonomers methyl methacrylate (MMA) using asobisisobutyronitrile (AIBN) as radical initiator. We present results obtained for thin films of the methacrylic polymers incorporating styrylquinoline side-group as optically active molecule.

Synthesis of 2-(4-methacryloxystyryl)quinolone and 2-(4-methacryloxystyryl)-6-methoxyquinoline was described. The polymers were obtained by free radical polymerization of methacrylic monomers in dimethylformamide with azobisisobutyronitrile as initiator. The products of polymerization were characterized and evaluated by 1HNMR, UV spectroscopy. Glass transition temperatures were characterized by DSC method. It was found 133°C, 110°C, 130°C, 112°C for P1, P1MMA, P2, P2MMA respectively. Their optical and photochemical properties as well as temperature dependence of the photoluminescence of diarylethylenes have been investigated.
Methodological Aspects of Studying the Perception of Familiar and Unfamiliar Faces
Authors: Petrakova A.V. , Mikadze Y.V. , Raabe V.V.
Published: July 2021

Face perception, one of most important social abilities, can be defined as the ability to perceive the face as a gestalt, along with all its parts and the relations between them. This face specific strategy has been called “configural processing”. One of actual trends in face cognition research — using of unfamiliar faces without nonspecific features — leads to controversy, whether this kind of stimulus material demonstrate ecological validity. In present, we propose a verification option using the experimental paradigm “part-whole recogni- tion” (successful detection of face details when presented in the context of a whole face). This classic effect was demonstrated using unfamiliar faces, with nonspecific details, and after the learning phase. After some modifications of this paradigm — using of unfamiliar faces without nonspecific features and without a series of familiarization — the effect disappears. The question is, whether the familiarization phase, or nonspecific features predict configural processing. We have shown that the main parameter is the absence of nonspecific features. The results may be helpful for planning future research.
The Influence of Baby Schema Effect and Mere Exposure Effect on Implicit and Explicit Face Processing: a Follow-Up Study
Authors: Navarini N. , Venturoso L. , Gabrieli G. , Truzzi A. , Lim M. , Setoh P. , Esposito G.
Published: July 2021

Faces are pivotal social stimuli that convey a tremendous amount of information and trigger numerous cognitive processes and consequent behaviors. Among the numerous factors that mediate face perception, we focused our attention on two particular phenomena and their interaction: the Baby Schema effect (BSE) and the Mere Exposure effect (MEE). Accordingly to the BSE, babies’ features are considered “cuter” than adults’ features and motivate people towards protection and caregiving, while the MEE states that familiarity can increase the like- ability of various stimuli, including faces. To investigate how those two factors interact, we carried out a follow- up study of the work of Venturoso et al. (2019) on a Singaporean sample. Singapore is a multicultural city-state where different ethnicities live alongside each other. Participants (ethnic Chinese and Indian) were shown faces of female adults and babies of different ethnic groups (Caucasian, Indian, Chinese and Arabic). Implicit responses were recorded using pupillometry measures, while explicit attitudes were assessed using a questionnaire. Our results confirm the presence of the BSE in both the explicit and implicit measures; specifically, baby faces elicited greater pupillary variations and were rated as more attractive than adult faces. An interaction effect between age and ethnicity was also observed. On the other hand, differences in pupil diameters and pleasantness scores were found between the ethnic groups on adult faces. The above-mentioned differences did not depend on whether stimuli belonged to the ethnic in-group or out-group of the participants, suggesting that exposure to individuals of different ethnicities reduces in-group favoritism. Further investigation is needed to better understand the complex interaction between BSE and MEE in our increasingly multifaceted reality.
Features of the Relationship of Driving Skills with Sensorimotor Indicators of the Visual Analyzer in Students of the Training Center in the Process of Vocational Training
Authors: Bebinov S.E. , Salnikov V.A. , Krivoschekova O.N.
Published: July 2021

The approach presented in the study contributes to meeting the social need to improve the efficiency of the driver training system. The features of the relationship of sensorimotor indicators of the visual analyzer with driving skills of students of the training center are considered. The pedagogical experiment was carried out at the educational and training center «Technopark» in Omsk. The studied sample consisted of 29 participants (18 male students and 11 female students). The age of the subjects ranged from 18 years to 21 years. The level of preparedness of the participants in the experiment and the training conditions were the same. The purpose of the study was to study the structure of the correlation of sensorimotor indicators with driving skills of trained drivers who are predisposed to display indicative or performing driving style. For this, the correlation coefficients of r-Pearson between the studied characteristics were determined in the SPSS-statistics 20 shell. Relationships with a level of statistical significance of p <0,05 were taken into account. Revealed differences in the nature of correlations. It is noted that sensorimotor indicators are more integrated into the activities of students predisposed to the manifestation of an indicative driving style. The conclusions are formulated, allowing differentiating the learning process, improving the development of driving skills of students in driving schools, depending on the level of available sensorimotor indicators.
Adaptation of the Strathclyde Inventory (SI-22) — Russian Version
Authors: Zhigulina M.A. , Ladneva N.
Published: July 2021

This study aims to clarify the methodological status of the category “activity experience”. A sample of the study consists of first-year students of a Moscow university. Study 1 (N = 104) attended by respondent aged 17 to 28 years (M = 18.30; SD = 1.40), 82% are female, and in study 2 (N = 93), aged 17 to 28 20 years old (M = 18.02; SD = 0.61), 55% are female. Study 2 includes three measurements of activity-related experiences with an interval of 10—15 days. We use the Activity-Related Experience Assessment (AREA), the Universal Perceived Locus of Causality Scale (UPLOC), the Responsibility Scale, and a brief version of the Psychological Health Continuum. The results of the study demonstrate that the activity-related experiences are neither personality traits, that are inherent in the individual regardless of situations, nor emotional states that change over time. Evidence of reliability, construct validity and criterion validity of the Activity- Related Experiences Assessment Scale is given. The measure of academic success is better predicted not by those experiences that are manifested during study activities, but those that arise along on the way to university. There is a slight effect of the influence of time on the measure of effort.
Prevention of hemorrhagic complications during hybrid interference in the sleepy and coronary arteries under conditions of hypo-agregation and hypocaagulation
Authors: Kazantsev Anton N. , Chernykh Konstantin P. , Baghdavadze Goderzi Sh.
Published: July 2021

Hemorrhagic complications in patients after hybrid interventions including percutaneous coronary intervention and carotid endarterectomy are analyzed. Demonstrate a new method of hemostasis and wound drainage after carotid endarterectomy. It was found that at the preoperative stage, the coagulogram parameters were within the normal range, but the aggregatogram showed hypoagregation for two of the four inducers in all 84 operated patients. After the completion of the second stage of revascularization, the absolute partial thrombosed time in all patients was five to six times higher than normal in the coagulogram parameters. According to the aggregatogram, there was a total hypo-aggregation. All acute hematomas after carotid endarterectomy requiring revision were formed in patients with the traditional method of hemostasis and wound drainage after carotid endarterectomy (p = 0.038), which was associated with more frequent damage to the cranial nerves (p = 0.0002). Thus, the combined endpoint, including the indicator of cranial nerve damage + acute hematoma in patients with the traditional method of hemostasis and wound drainage after carotid endarterectomy, significantly exceeded it in patients who used a new tactic (local hemostatics with minimal electrocoagulation and installation of two drains in the paravasal and clitoral space) (p 0.0001). There were no cases of wound complications in the area of carotid endarterectomy. Thus, the new technique of hemostasis and wound drainage after carotid endarterectomy against the background of hypocoagulation and hypoagregation has shown its effectiveness and preventive role in the prevention of hemorrhagic complications, damage to the cranial nerves.
Сlinical and epidemiological characteristics of botulism
Authors: Cherenova Lelya P. , Matsuy Anna V. , Cherenov Igor V.
Published: July 2021

Clinical and epidemiological characteristics of botulism in the Astrakhan region for the period from 2013 to 2019 are presented. 37 people with a diagnosis of Botulism were under observation. It was found that most often (28 (75.7%) cases) patients associated their disease with the use of canned home-made products. Canned vegetables (cucumbers, tomatoes, vegetable salad, eggplant, cabbage) were consumed by 18 (48.7%) people, mushrooms 10 (27%), dried fish 7 (18.9%), herring-balyk 1 (2.7%) and home-made liver pate-1 (2.7%) patient. The incubation period in the observed patients was on average 2.4 days. It lasted 12 days in 24 (64.9%) patients, 3-5 days in 12 (32.4%) patients, and 6 days in 1 (2.7%) patient. According to the severity of the condition, 17 (45.9%) patients were hospitalized in the intensive care unit. Severe course of the disease was in 17 (45.9%) patients, moderate-in 20 (54.1%) patients. Early and persistent symptoms in all patients were marked muscle weakness, in 78.4% of patients dizziness, in 83.8% of patients difficulty walking and unsteadiness of gait. In 34 (91.9%) patients, the most pronounced symptoms were ophthalmoplegic: blurred vision, fog, flies in front of the eyes, inability to read the text. In General, up to 10 cases of botulism are registered annually in the Astrakhan region. Almost half of the patients (45.9%) have severe botulism. The disease is mostly sporadic and is associated with the use of canned vegetables and home-made mushrooms. In addition, cases of botulism associated with the use of dried fish have become more frequent in the Astrakhan region. Late hospitalization was observed in 1/3 of patients (11 (29.7%) cases) with botulism. This is due to untimely diagnosis at the pre-hospital stage and late access of patients to medical care.
Sanitary-parasitological condition of the environmental objects of the Astrakhan region
Authors: Arakelyuan Rudolf S. , Galimzyanov Khalil M. , Maslyaninova Anna E. , Deeva Tatyuna M.
Published: July 2021

The sanitary and parasitological state of environmental objects of the Astrakhan region is analyzed. It was found that out of 689 samples taken and studied from various environmental objects, 114 (16,5%) did not meet sanitary and parasitological standards. The share of soil samples taken was 554 (80,4%), of which 107 (19,3%) did not meet sanitary and parasitological standards. In 83 (15%) cases, living larvae of Strongyloides stercoralis were found, in 12 (2,1%) fertilized eggs of Ascaris lumbricoides, in 10 (1,8%) eggs of Toxocara canis, in 1 (0,2%) sample mixed invasions were noted: fertilized eggs of Ascara canis of 126 (18,3%) washes from hard surfaces, 4 (8,6%) were unsatisfactory (in 7,35% of cases, fertilized eggs of Ascaris lumbricoides were found and in 1,25% eggs of Enterobius vermicularis. Dead larvae of Anisakis simplex were found in 3 (0,4%) fish samples examined. All 6 (0,9%) river water samples complied with sanitary and parasitological standards. The presence of living strongilid larvae and toxocar eggs in the soil indicates its contamination with faeces of infected animals. The presence of people or about flooding or flooding of these objects sewer drains allows to assume existence of oosperms of ascarids in the soil about her pollution by excrements. The presence of eggs of ascarids and pinworms on various household surfaces indicates non-compliance with the rules of personal hygiene of persons infected with ascarids and/or pinworms who use these household appliances. The presence of aniacid larvae in the internal organs of fish is not a contraindication for its sale to the population.