bluuebunny/crossref_metadata_2025 huggingface dataset:
Dignity of a person as a legal value: history and modernity
Authors: Fominskaya Marina
Published: May 2020

The article discusses the legal, historical, philosophical, cultural and religious aspects of the dignity of the individual as the most important and significant legal category. The author uses the methods of historical legal, comparative legal, sociocultural analysis of modern law in order to identify the role and significance of this legal category in the law of various states, as well as in international law. As a result of the study, it was concluded that the national idea of Russia and the value of personal dignity represent the realization of the general spiritual and moral Christian principle of “love for one’s neighbor”.
About the essence and concept of a legal text
Authors: Orlov Dmitriy
Published: May 2020

The question of the essence and understanding of the normative legal text is complex, affecting many legal and theoretical problems: legal understanding; the relationship of the legal system and the legal system; understanding the method of regulatory regulation and systematization of law; understanding the rule of law itself and its interpretation as a specific legal activity, as well as a number of aspects of legal technology.

Variations of research on the presented topic have been the subject of various Humanities, such as philosophy, sociology, or even philology. However, previous studies did not provide a clear understanding of the phenomenon in question. Based on the analysis of different points of view and approaches, the author of the article examines the essence of the normative legal text, formulates its concept.
Historical-legal and linguistic analysis of constitutional construction in the Democratic people’s Republic of Korea
Authors: Suprunov Aleksandr , Vasilieva Elizabeth
Published: May 2020

The article investigates the historical, technical, legal and linguistic features of the constitutional construction process in the Democratic people’s Republic of Korea (DPRK). Various aspects of the creation, legal and linguistic content of North Korean Constitutions are analyzed, the reasons for constitutional changes are consi­dered. The influence of Juche ideology and authoritarian governance model on the Constitution and legislation of the DPRK is investigated.
On measures and approaches to counteract the illegal import and circulation of goods into the territory of the Russian Federation
Authors: Gorbunova Maria , Nazarychev Dmitriy , Zelenov Dmitriy
Published: May 2020

The analysis of the main measures aimed at countering the illegal import and circulation of goods on the territory of the Russian Federation, conducted by the Federal Customs Service of the Russian Federation, as well as other regulatory authorities, and their results, is carried out. The main problems and directions for further improvement of work on countering the illegal import and circulation of goods are considered.
Digital transformation risk management complex economic systems
Authors: Zakharov Vladimir , Frolov Vladislav
Published: May 2020

The article provides an overview of the results of recent studies carried out in different countries on the management of cyber risks in complex economic systems. It is shown that the leaders of large enterprises strive to balance the distribution of funds between different areas of cyber security to reduce the overall risk of digital transformation. Weaknesses were identified in cyber risk management, the most significant of which, according to managers, are data management and cyber risk prioritization. It is proposed to pay special attention to data protection, because data insecurity can lead to the loss of key competencies of companies, its revenues and consumer confidence in it.

The study was carried out with the financial support of the Russian Foundation for Basic Research in the framework of the scientific project no. 18-010-00781.
Theater of economic action: adequate economic security policy in Russia under modern conditions
Authors: Chebotarev Stanislav
Published: May 2020

The article explores the issue of security of the economic development of Russia in modern conditions and defines the theater of economic action.
Neurological aspects of modern drug addiction
Authors: Litvincev B. S. , Konstantinov D. P. , Efimcev A. Yu. , Petrov A. D. , Fomichev A. V. , Sosyukin A. E. , Malysheva E. V. , Vorob'eva M. N.
Published: May 2020

The article presents the results of neurological examination of 95 patients with drug dependence. Neurological symptoms were evaluated comparatively in patients with non-injecting and injecting forms of dependence (n=17 and n=78, respectively). The obtained data of clinical neurological examination were compared with the indicators of magnetic resonance imaging of the brain and neurophysiological assessment of the state of peripheral nerves. A comprehensive analysis of the results of the study indicated that chronic intoxication with injecting drugs leads to the development of more pronounced and polymorphic neurological symptoms. It is also necessary to take into account the key role of intoxication in the formation of a cascade of reactions that change the functions of the nervous system.
Theatre as an Agent of Change: Mobilising Against Marijuana Addiction in Tombia Ekpetiama Community in Bayelsa State
Authors: Zibokere Ebinepere , Ekiye Ekiyokere
Published: May 2020

This paper posits community theatre as an agent of change and argues that community theatre possesses the technicalities to bring awareness to the members of a community to the social and cultural issues affecting them via their exploration in drama or performance, thereby causing changes in their mindset, action and socialisation patterns. With a focus on marijuana addiction amongst the youths in Tombia, Ekpetiama, the paper critically analyses the effectiveness of community theatre in mobilising, sensitising, entertaining and educating the community members on the dangers of drug abuse. Marijuana addiction is a challenge worldwide and theatre practitioners have engaged several community theatre projects in order to sensitise addicts on the need to do away with drugs. This work used focus group interactions, participant observation and in-depth interviews methods to record the opinions of the people of Tombia community on issues of concern evolving from marijuana abuse. Adopting performance analysis schemata, the responses recorded were structured as thematic strands analysed and interpreted in line with the research objectives. Findings showed that community theatre is a viable avenue within which Tombia, Ekpetiama community became aware and knowledgeable about the social challenges of marijuana addiction. This in turn influenced the resolve of the youths to change by shunning marijuana smoking while the community elders were prompted to put progressive local measures in place in order to checkmate the youths and boost practices that strengthen development. Therefore, it was concluded that, community theatre is indeed an ideal agent for the mobilisation of people at the grassroots level as it encourages village or community participation to open room for them to assess their problems and proffer solutions via the implementation of meaningful changes that aid community development. The study contributes to the understanding of community theatre and exposes its efficacy, as an additional strategy; to fight against drug abuse in communities in Nigeria.
Modified Fourth-Order Buck-Boost Converter
Authors: Himmelstoss Felix A. , Edelmoser Karl
Published: May 2020

Some hundred DC/DC converters have been constructed. Here a modified one is investigated. The modification consists in the position of the output capacitor. This does not change the voltage transformation ratio, but leads to constant input current compared to a pulsating one in the original topology. The function of the converter is investigated by inspection and by constructing the signals, the large and small signal model of the converter and the transfer function are derived, dimensioning hints are given and simulations are shown.
Some Aspects of Improving the Profit Management of Energy Companies in Ukraine
Authors: Krushynska Alla , Buchkovska Yana
Published: May 2020

The article investigates the system of enterprise profit management with the identification of the main components of this process. There is dedicated profit generation by activity, profit sharing and organization-methodological component, which includes organizational and information support, systems and methods of analysis, planning and internal control of profit. A comprehensive substantiation of the theoretical foundations of the enterprise profit management system provides sufficient basis for the study of the actual practical aspects of the enterprise profit management process of the energy complex. It is researched that the profit management at the enterprise is carried out according to the basic directions of activity taking into account the business processes according to the organizational structure, which is divided into directories and it is proposed to manage the distribution and use of the profit of the enterprise in stages, guided by the management approach according to the profit centres. Centre managers would be able to make and implement financial decisions on their own, control the revenue and expenditure of the centres concerned, generate revenue that would determine the effectiveness of their operations. It is revealed that the state of the grids and power equipment of the enterprise needs additional power for electricity consumers and requires significant investments that can be attracted only if incentive regulation is implemented and the need to adjust the regulatory rate of return on regulatory asset bases — 0.05 relative units (for the base created at the date of transition to incentive regulation) and 0.17 (for the base created after the transition to incentive regulation). It is also proposed to extend the base of regulatory period, whereby the tariff is initially set at 3 years, then at 5, and then can reach 8 years, which will contribute to economic stabilization for the enterprise and consumers. The proposed measures will improve both the qualitative and quantitative parameters of the enterprise profit management system.
Strategic Approach to State Regional Economic Policy in Ukraine
Authors: Pastukh Kateryna
Published: May 2020

Under modern conditions, there is a need to update the state regional economic policy in Ukraine. Problems of the social and economic development in Ukraine explains the need to pay attention to implementation of state regional economic policy in Ukraine. Scientific and theoretical bases of state regional economic policy have been a point of many researches made by scientists. However, lots of theoretical issues on the essence of strategic approach to state regional economic policy are not fully researched. The state regional economic policy of Ukraine has been investigated. State regional economic policy is a purposeful activity of the state in economics at regional level directed at the stimulation of effective development of productive forces of regions, rational usage of resources, providing optimal conditions for the population vital activity, ecological security and advancement of territorial organization of population. The features of implementation of state regional economic policy in Ukraine are being investigated. The success of regional policy depends on the apt definition of the regions, criteria of their development, level of their correspondence to the administrative and territorial arrangement of the state. For practical realization of the policy, it is necessary to form and advance the relevant mechanism. The algorithm of forming the conception of strategy of state regional economic policy is considered in Ukraine. Goals of the state regional economic policy in Ukraine are generalized. Under today’s conditions, the state of regional social and economic development requires the improvement of forming and implementation of state regional economic policy in Ukraine. Conceptual bases for strategy of state regional economic policy in Ukraine are developed.
Work-Life Balance Practices on Employees Job Performance of Selected Banking Sector in Malaysia
Authors: Suhaimi Shahidah Bt Ahmad , Seman Kamilah Bt
Published: May 2020

The purpose of this study is to investigate the influence of work-life balance practices (e.g. flexible working options, employee assistance program, and leave programs) on employee’s job performance in banking sector. This research focusing on employees as respondents from banking sector in Klang Valley, Malaysia. Data were collected from 100 samples by which data were collected through online surveys from selected banks in Klang Valley and were analyzed through statistical software. The Pearson correlation analysis was conducted between independent variables and dependent variable. The result shows to accept the hypothesis that work-life balance practices has positive relationship with employees’ job performance in banking sector. This finding could help and promote the management of companies to practice and to provide the work-life balance policies for employees in banking sector.)
Cosmological Constraints from Line Intensity Mapping with Interlopers
Authors: Gong Yan , Chen Xuelei , Cooray Asantha
Published: May 2020

Understanding the formation and evolution of the universe is crucial for cosmological studies, and line intensity mapping provides a powerful tool for this kind of study. We propose to make use of multipole moments of a redshift-space line intensity power spectrum to constrain the cosmological and astrophysical parameters, such as the equation of state of dark energy, massive neutrinos, primordial non-Gaussianity, and star formation rate density. As an example, we generate mock data of multipole power spectra for Hα 6563 Å, [O iii] 5007 Å, and [O ii] 3727 Å measured by the SPHEREx experiment at z = 1 considering contaminations from interloper lines, and use the Markov Chain Monte Carlo method to constrain the parameters in the model. We find a good fitting result of the parameters compared to their fiducial values, which means that the multipole power spectrum can effectively distinguish signal and interloper lines, and break the degeneracies between parameters, such as line mean intensity and bias. We also explore the cross-power spectrum with the Chinese Space Station Telescope spectroscopic galaxy survey in the constraints. Since more accurate fitting results can be obtained by including measurements of the emission lines at higher redshifts out to at least z = 3, and cross-correlations between emission lines can be involved, line intensity mapping is expected to offer excellent results in future cosmological and astrophysical studies.
Modeling Observable Differences in Flare Loop Evolution due to Reconnection Location and Current Sheet Structure
Authors: Unverferth John , Longcope Dana
Published: May 2020

Flare reconnection is expected to occur at some point within a large-scale coronal current sheet. The structure of the magnetic field outside this sheet is almost certain to affect the flare, especially its energy release. Different models for reconnection have invoked different structures for the current sheet’s magnetic field and different locations for the reconnection electric field within it. Models invoking Petschek-type reconnection often use a uniform field. Others invoke a field bounded by two Y-points with a field strength maximum between them and propose this maximum as the site of the reconnection electric field. Still other models, such as the collapsing trap model, require that the field strength peak at or near the edge of the current sheet and propose that reconnection occurs above this peak. At present there is no agreement as to where reconnection might occur within a global current sheet. We study the post-reconnection dynamics under all these scenarios, seeking potentially observable differences between them. We find that reconnection occurring above the point of strongest field leads to the highest density and the highest emission measure of the hottest material. This scenario offers a possible explanation of superhot coronal sources seen in some flares.
Common-envelope Dynamics of a Stellar-mass Black Hole: General Relativistic Simulations
Authors: Cruz-Osorio A. , Rezzolla L.
Published: May 2020

With the goal of providing more accurate and realistic estimates of the secular behavior of the mass accretion and drag rates in the “common-envelope” scenario encountered when a black hole or a neutron star moves in the stellar envelope of a red supergiant star, we have carried out the first general relativistic simulations of the accretion flow onto a nonrotating black hole moving supersonically in a medium with regular but different density gradients. The simulations reveal that the supersonic motion always rapidly reaches a stationary state and produces a shock cone in the downstream part of the flow. In the absence of density gradients we recover the phenomenology already observed in the well-known Bondi–Hoyle–Lyttleton accretion problem, with super-Eddington mass accretion rate and a shock cone whose axis is stably aligned with the direction of motion. However, as the density gradient is made stronger, the accretion rate also increases and the shock cone is progressively and stably dragged toward the direction of motion. With sufficiently large gradients, the shock-cone axis can become orthogonal to the direction, or even move in the upstream region of the flow in the case of the largest density gradient. Together with the phenomenological aspects of the accretion flow, we have also quantified the rates of accretion of mass and momentum onto the black hole. Simple analytic expressions have been found for the rates of accretion of mass, momentum, drag force, and bremsstrahlung luminosity, all of which have been employed in the astrophysical modeling of the secular evolution of a binary system experiencing a common-envelope evolution. We have also compared our results with those of previous studies in Newtonian gravity, finding similar phenomenology and rates for motion in a uniform medium. However, differences develop for nonzero density gradients, with the general relativistic rates increasing almost exponentially with the density gradients, while the opposite is true for the Newtonian rates. Finally, the evidence that mass accretion rates well above the Eddington limit can be achieved in the presence of nonuniform media increases the chances of observing this process also in binary systems of stellar-mass black holes.
Nutrient composition of Chinese oak silkworm,Antheraea pernyi, a traditional edible insect in China: a review
Authors: Li Q. , Li Y.-P. , Ambühl D. , Liu Y.-Q. , Li M.-W. , Qin L.
Published: May 2020

Edible insects are considered to be rich in protein and several micronutrients; therefore, they are regarded as one of the potential contributors to food security. The Chinese oak silkworm,Antheraea pernyi (Guérin-Méneville, 1855), has been collected from oak trees in the wild for at least 2,000 years, and Chinese farmers developed the artificial rearing of Chinese oak silkworms for silk production before the 17th century. Recently, about 5×104 t ofA. pernyi, including the fifth-instar larvae, pupae and moths, has been reported to be consumed as food in China per year. A total of 18 amino acids, 16 fatty acids, 13 minerals, 5 vitamins and 7 human hormones have been detected in the larvae, pupae and adult moths ofA. pernyi. In this review, we have summarised the complete nutrient composition in the four developmental stages of this economically important insect. All available data suggest that the Chinese oak silkworm is nutritionally rich and healthy and a sustainable food item of the future. This review could provide a podium to the food and animal feed industry for framing a strategy for the intake ofA. pernyi in the diets of humans and animals. Moreover, this paper would contribute to advancing the exploration of the developmental and the metabolic biology of the Chinese oak silkworm.
Towards data-driven culture in a Spanish automobile manufacturer: A case study
Authors: Esteller-Cucala Maria , Fernandez Vicenc , Villuendas Diego
Published: May 2020

Purpose: Data-driven decision-making is a growing trend that lots of companies are nowadays willing to adopt. However, the organizational transformation needed is not always as simple and logical as it could seem and the comfort of the old habits can dim the change effort. The purpose of this study is to identify the potential problems that may arise in a real company’s transformation from a traditional intuition-driven decision-making model to a data-driven model. Design/methodology/approach: In order to reach this goal, a single case study method was used. Initially a literature review was conducted to analyze both the importance of the change to a data-driven culture and the process of organizational change. Thus, a case study method was adopted in a company of the automotive sector that included experimentation in the website design decision-making process. Findings: As a result of the case study, it was found that all the most cited risks for the organizational change process commented in the literature appeared in the project. However, even being warned of potential dangers the specific actions to prevent the damages were not trivial.Originality/value: The study presents in detail, the application of an organizational change model in a company. Important insights can be extracted from the specific case of a digitalization performed inside traditional industrial company.
Challenges and Opportunities for News Media and Journalism in an Increasingly Digital Mobile
Authors: Lawa Kheder Omar
Published: May 2020

This paper reviews challenges and opportunities for news media and journalism in today's changing media environment. It documents that we are moving towards an increasingly digital, mobile, and social media environment with more intense competition for attention. More and more people get news via digital media, they increasingly access news via mobile devices (especially smartphones), and rely on social media and other intermediaries in terms of how they access and find news. In this environment, a limited number of large technology companies enable billions of users across the world to navigate and use digital media in easy and attractive ways through services like search, social networking, video sharing, and messaging. As a consequence, these companies play a more and more important role in terms of (a) the distribution of news and (b) digital advertising.
A Study of Online Scams
Authors: Shah Azlan
Published: May 2020

This chapter presents the overview of how the online fraud began; and how in starting to spread around the world. Mastering the motivation factor fraudster to do scamming. Also the perspectives of victim attitude, social media; the emerging trends of community attitudes and IT among public community among youngster or even among elders; the concept of motivation factors, by fraudsters; the characteristics of victim by dividing to gender and age stages; sustainable online media ;sustainable long hours of consuming internet; the importance of sustainable consumption, sustainability, and sustainable deterrence to avoid people being online scam victim. Mastering how this case working is essential for modern police organizations that seek to serve public and nation, reduce the loses are facing by victim in the future, strengthen strategy in combating online scam. It's also emphasize thoroughly the effect, and the consequences after victim got cheated by online. The chapter argues that mastering fraudster and victim attitude and knowledge to enhance the awareness and reduce online scam.
Examining Perceived Value Influence Mobile Game Addiction
Authors: Yildirim Seda
Published: May 2020

This study aimed to investigate mobile game addiction through perceived game value. According to this aim, the relationship between mobile game addiction and consumption values was tested. From 500 e-survey forms, 386 forms were accepted for analysis. To measure perceived value, Sheth, Newman, and Gross's consumption values model was adapted. Lemmens, Valkenburg, and Peter's game addiction model were used in this study to measure mobile game addiction. With the help of canonical correlation analysis, it was tested whether there was a significant relationship between perceived value and mobile game addiction. Consequently, it was found that perceived values were significantly related to mobile game addiction. Especially, functional, emotional, and conditional values had a strong correlation with mobile game addiction. This study provides some evidence that perceived game value can influence game addiction.
Fractional-Order Calculus in Antimicrobial Resistance and Waning Vaccination
Authors: Ahmed E. , Matouk Ahmed Ezzat Mohamed
Published: May 2020

In this chapter, a simple model for competition between drug resistant and drug sensitive bacteria is given. So, a model of antimicrobial resistance (AMR) and waning vaccination is presented. The model's steady states are obtained. The conditions of local stability of the equilibria are also derived via the fractional Routh-Hurwitz criterion. A discretization scheme has also been applied to the proposed fractional-order model to enhance the model's adequacy and accuracy of describing natural phenomena. So, dynamical behaviors of the resulting discrete-time model are studied such as local stability, existence of Neimark-Sacker, and flip bifurcations. Furthermore, existence of chaos in the discrete-time model is proved using the theorem given by Marotto. Chaotic attractors and routes to chaos are also depicted via various numerical tools.
Application of Fractional Optimal Control Problems on Some Mathematical Bioscience
Authors: Ameen Ismail Gad , Ali Hegagi Mohamed
Published: May 2020

In this chapter, the authors present a short review of a fractional-order control models, which are described by a system of fractional differential equations. Fractional derivatives describe the behaviour of dynamical systems better than classical calculus, where it can reflect the effect of memory. This survey shows the effect of the control on the fractional models, which represents epidemiological and biomedicine problems. So, the solution to such models is necessary for decision makers in health organizations.
Synchronization of Fractional-Order Hyperchaotic Finance Systems Using Sliding Mode Control Techniques
Authors: Kumar Sanjay , Prasad Ram Pravesh , Pal Krishan , Pal Mahendra Pratap , Singh Ajeet
Published: May 2020

In this chapter, the basic concepts of fractional-order dynamical systems are presented, and the synchronization methodologies of fractional order chaotic dynamical systems are established using slide mode control techniques. Through observation of the different phase portraits and time-series graphs of fractional order finance systems through utilization of the fractional calculus and computer simulation, the authors have obtained that the lowest dimension of fractional order hyper chaotic finance system is 3.90, which is less than 4. Bifurcation diagrams and Lyapunov exponents of fractional order hyper chaotic finance system are calculated to justify the chaos in the systems. Synchronization of two identical fractional-order hyper chaotic finance systems are achieved using sliding mode control techniques.
Revisiting Anomalous g-Factors for Charged Leptons in a Fractional Coarse-Grained Approach With Axiomatic Local Metric Derivatives
Authors: Weberszpil José , Helayël-Neto José Abdalla
Published: May 2020

This contribution sets out to extend the concept of helicity so as to include it in a fractional scenario with a low-level of fractionality. To accomplish this goal, the authors write down the left- and the right-handed Weyl equations from first principles in this extended framework. Next, by coupling the two different fractional Weyl sectors by means of a mass parameter, they arrive at the fractional version of Dirac's equation, which, whenever coupled to an external electromagnetic field and reduced to the non-relativistic regime, yields a fractional Pauli-type equation. From the latter, they are able to present an explicit expression for the gyromagnetic ratio of charged fermions in terms of the fractionality parameter. They then focus their efforts to relate the coarse-grained property of space-time to fractionality and to the (g-2) anomalies of the different leptonic species. To do this, they build up an axiomatic local metric derivative that exhibits the Mittag-Leffler function as eigenfunction and is valid for low-level fractionality, whenever the order parameter is close to 1.
Properties of Spatial-Rotation Transformations of Fractional Derivatives
Authors: Malkawi Ehab
Published: May 2020

The transformation properties of the fractional derivatives under spatial rotation in two-dimensional space and for both the Riemann-Liouville and Caputo definitions are investigated and derived in their general form. In particular, the transformation properties of the fractional derivatives acting on scalar fields are studied and discussed. The study of the transformation properties of fractional derivatives is an essential step for the formulation of fractional calculus in multi-dimensional space. The inclusion of fractional calculus in the Lagrangian and Hamiltonian dynamical formulation relies on such transformation. Specific examples on the transformation of the fractional derivatives of scalar fields are discussed.
The Invariant Subspace Method for Solving Fractional Partial Differential Equations
Authors: Abdel Latif Mohamed Soror , Abdel Kader Abass Hassan
Published: May 2020

In this chapter, the authors discuss the effectiveness of the invariant subspace method (ISM) for solving fractional partial differential equations. For this purpose, they have chosen a nonlinear time fractional partial differential equation (PDE) with variable coefficients to be investigated through this method. One-, two-, and three-dimensional invariant subspace classifications have been performed for this equation. Some new exact solutions have been obtained using the ISM. Also, the authors give a comparison between this method and the homogeneous balance principle (HBP).
Apparent Measure, Integral of Real Order, and Relative Dimension
Authors: Adda Faycal
Published: May 2020

In this chapter, the author introduces a concept of apparent measure in R^n and associates the concept of relative dimension (of real order) that depends on the geometry of the object to measure and on the distance that separates it from an observer. At the end, the author discusses the relative dimension of a Cantor set. This measure enables us to provide a geometric interpretation of the Riemann-Liouville's integral of order αϵ├]0,1], and based on this interpretation, the author introduces a modification on the Riemann-Liouville's integral to make it symmetrical and then introduces a new fractional derivative that exploits at the same time the right and the left fractional derivatives.
The Facebook Me
Authors: Zhang Heng , Dunn Robert Andrew
Published: May 2020

For a better understanding of social networking site usage, the present study examines the influence of gender, personality, and self-esteem on social media presentation. The researchers found that extroverted women posted more Facebook pictures than extroverted men did. Neuroticism was related to self-presentation, and agreeableness is related to Facebook friends. Lower self-esteem was related to more self-presentation on Facebook. Women were more likely to post gender role expressions than men were. And higher levels of neuroticism were related to greater gender role expressions.
Promoting Social and Academic Wellness Among African American Adolescent Males
Authors: Collins Ayanlaja Carole Rene' , Polydore Catherine Lenna , Beamon Danielle Anita
Published: May 2020

African American adolescent males are at increasing risk for mental health challenges. Statistics indicate that depression and anxiety are of primary concern. Historical and social conditions, including institutionalized racism, produce stressors for Black males and propel negative public attitudes. The responses of healthcare professionals and school personnel to the mental health needs of Black adolescent males are generalized with limited focus on this specific population and effective interventions. The authors identify and describe predominant mental health conditions in Black male adolescents and describe the current landscape of emotional health impacting this population. They identify determinant factors that lead to poor mental health. Activating a social-constructivist approach, the authors recommend culturally responsive approaches to address the problem and improve outcomes, along with future directions.
Solution-Focused Group Work for At-Promise Youth in School Counseling
Authors: Hill Jehan , Baquet Sarah N. , Muirhead Kathleen N.
Published: May 2020

This chapter focuses on addressing the needs of at-promise youth within the educational system through a school counseling perspective. The authors of this chapter provide an overview of solution-focus counseling and how it can be implemented in a group setting to meet the unique needs of students who encounter barriers during their educational pursuits. The following sections are discussed in this chapter: resiliency language; meeting the needs of at-promise youth; elements of solution-focused counseling; application of solution-focused group strategies; addressing career, social/emotional, and academics in solution-focused group counseling; and provide a case example. This case example outlines how a school counselor may implement a solution-focused group when counseling at-promise youth within the school setting.
Managing Diversity in Schools
Authors: Igu Ntasiobi Chikezie Nwankwo , Ogba Francisca Ngozi , Nwinyinya Emeka
Published: May 2020

The multi-ethnic content of the 21st century population is made most manifest in the classroom settings of educational institutions as the composition of an average classroom is changing due to globalization and human mobility that have brought people of diverse culture together. The diversity content of the classrooms somewhat places enormous responsibilities on the school leaders and classroom teachers to evolve teaching practices and learning experiences that are culturally responsive to the needs of each individual student. This chapter contributes by analyzing the pedagogical principles of recognition and respect as imperative in managing the cultural individuality of learners in the classrooms.
Evaluation Methods of Cohesive Strength of Coatings
Authors: Arkhipov V.E. , Pugachev M.S.
Published: May 2020

Based on the test results of the coatings applied by gas-dynamic deposition, the paper evaluates the possibility of using the “pin” and “ring separation” methods to examine the cohesive strength of coatings on tensile test. There is a limitation of the “pin” method application for coatings with porosity due to a significant scatter in results (≤50%). Using the method of the “ring separation” with a high reliability of the results (scatter ≤5%) makes it possible to evaluate the effect of technological parameters of deposition, as well as changes in the phase composition of the coating on cohesion. For example, the cohesive strength of the aluminum coating decreases from ≈180 MPa to ≈50 MPa with rising deposition temperature from 180°C to 540°C; a sharp drop in cohesion of the applied metal layer from 78 MPa to 44 MPa is observed for the coating based on copper and zinc particles on formation of βʹ - and γ phases.
A New Method for Studying the Anisotropy of HDPE Sleeved Films
Authors: Efremov N.F. , Kanaiceva A.V. , Kadilova A.A.
Published: May 2020

It is established that when physical modifications to the blown film of LDPE in extrusion installation for large values of the ratio of the longitudinal drawing of the melt, Km from 7.2 to 12.4, there is the technological anisotropy Kat in the range of 2.8 to 3.7. It is 1.8 times higher than the anisotropy of strength of Kaσ films. At uniaxial tension of such films in polarized light, the appearance of isochromes associated with the value of Kat is observed.
Modified Composition for Fixing Sandy Soils
Authors: Kozlova Irina V. , Bespalov Alexey E. , Zemskova Olga V.
Published: May 2020

The possibility of using a modified composition based on slag Portland cement with the addition of stabilized finely dispersed slag in geotechnical construction and in landscape design is considered. The physical, mechanical and structural characteristics of samples hardening in normal conditions and under the influence of aggressive media were studied. It is established that the compressive and flexural strength of the modified samples is higher than that of the control sample. When hardening in normal conditions, on the first day, the flexural strength of modified specimens increased by 59%, at the grade age by 51%, compressive strength - 2.3 times and by 83%, respectively. When hardening in aggressive media, an increase in the strength of the modified specimens is also observed (flexural by 35–58%, compressive by 7–15%). This is explained by the fact that stabilized slag particles in a hardening system perform two functions: they are centers of directional crystallization for nucleation and growth of newgrowths, and full participants in the hydration process, binding calcium hydroxide to crystallohydrate compounds, thereby preventing the formation of ettringite when the concrete structure is exposed to aggressive media.
The Effect of the Level of Pouring the Mixture on the Basic Properties of Aerated Concrete with Variotropic Properties
Authors: Deryabin P.P. , Raschupkina M.A. , Chulkova I.L.
Published: May 2020

We reviewed the work of Russian scientists who had made significant contributions to the theory and technology of manufacture of products from cellular concrete, including low density. It was formulated essence of the method of molding and formation of the porous structure aerated products of variable density and strength of the cross section. It was presented the grain composition, physical properties and X-ray powder diffraction of traditional and non-traditional raw materials. The influence of the fill level of viscoplastic mixture in the form to the height of the swelling was shown and the basic properties of aerated concrete with variable density and strength of the cross section and its optimum value was revealed.
Improvement of Wood-Cement Composition Properties with Microsilica Additive
Authors: Gornostaeva E.Yu. , Lukuttsova N.P. , Dryazgov D.I.
Published: May 2020

The properties and microstructure of wood-cement compositions (WCC) with microsilica (MS) additive for the manufacture of small-pieces wall products are studied. The extreme dependences of mean density, thermal conductivity and compressive strength on the content of microsilica additive are established. The mechanism of microsilica effect on wood-cement compositions is offered. Two interrelated factors (chemical and physical) could be distinguished at that. The first factor includes mainly the interaction of silicon dioxide with lime having released during hydration of calcium silicates, i.e. pozzolatic process. The second factor lies in the compaction of wood-cement compositions and the cement stone structure by means of cement hydration products and silica particles. It is established that introducing 20% of microsilica in the composition results in the maximum increase in ultimate compression strength (3 times). It can be explained not only by forming calcium hydrosilicates, uniformly and densely covering the wood aggregate, but by compacting effect of spherical microsilica inclusions, filling the space between the new cement stone formations and wood aggregate.
Effect of Colloidal Silicon Dioxide on the Properties of Building Ceramics
Authors: Vasyunina S.V. , Lukuttsova N.P. , Momot V.O.
Published: May 2020

The paper presents the results of the researches on improving the physical-mechanical and thermophysical properties (average density, strength and thermal conductivity) of ceramic stone with colloidal silicon dioxide, with and without the mineral thinning additive of silica sand. In the course of the study, the most optimal amount of colloidal silicon dioxide for ceramic stone samples is determined. The dependence of strength, average density and thermal conductivity coefficient on the amount of the modifier and thinner is established. The graphic dependences are constructed by the method of extreme modelling on the basis of Scilab engineering environment. It is ascertained that the application of colloidal silicon dioxide can improve the physical-mechanical and thermophysical properties of ceramic stone. The results of the studies on ceramic stone modified with silica sand and colloidal silicon dioxide were better than without the sand supplement. The optimal amount of colloidal silicon dioxide in the composition of ceramic stone without a sand thinning additive is 0.2%, and 0.3% with this supplement.
Non-Autoclaved Aerated Concrete Porosity and Factors Affecting it
Authors: Suleymanova L.A. , Pogorelova Inna A. , Kara K.A.
Published: May 2020

The total volume of cellular porosity, which comprises pores, interpore partitions, and air-entrained pores, depends on the spatial packing of pores, size distribution, maximum and average size, their shape, and the thickness of interpore partitions. Interpore partitions contain gel and capillary pores, which have a significant impact on the total porosity, thus affecting the operating properties of aerated concrete. This paper presents the calculations of gel, capillary, air, and total porosity in non-autoclaved aerated concrete of average-density grades D100...D1200 for different cement hydration degrees (0.6; 0.8, and 1) and water-cement ratios (0.5; 0.6, and 0.7); calculations use the author-developed methodology. Cement consumption depends on the average-density grade as well as on cement hydration degree. Reducing the latter from 1 to 0.6 in D500 concrete raises cement consumption by 7.4 %; other grades have similar patterns. This is why aerated concrete should be conditioned to maximize the utilization of the binder by enabling its complete hydration. The amount of water in the mixture is what determines the cement consumption and the water-cement ratio, whereby the density of cement dough will not depend on the average-density grade provided that the hydration degree and the WC ratio are constant. The finding is that the ability of cement to form its own pore structure is crucial to D500 and D400 aerated concrete if the mixture has high initial water content.
The Study of Cement Concrete with Improved Properties Based on the Use of Astivated Silica Fume
Authors: Tkach E. , Soloviev V. , Temirkanov R. , Solovev Denis B.
Published: May 2020

In this research the questions of microsilica usage and ways of its activation for modification of structure of cement stone and cement on its basis. The actual questions corresponding any type of filler, particularly microsilica are: how and how much should be put, which mechanisms are involving to process of structuring, how much is received result of structure modification and others. Therefore the role of microdispersed fillers in modification process of cement rock and cement on its basis must be viewed in connection with other dimensional inclusions on different large-scale levels. Reducing of concrete consumption by its substitution by microsilica, has a positive influence to physico-chemical characteristics of concrete.
Ceramic Composition Material with Mullite Crystals Obtained from the Clayy Raw Material of Yakutia
Authors: Lebedev M.P. , Tagrov V.N. , Lukin E.S.
Published: May 2020

The article deals with the manufacture of modern structural ceramic materials from clay and loam deposits of the Republic of Sakha (Yakutia). The importance and relevance of the development of the production of building materials from local raw materials is emphasized, since this will certainly affect the effectiveness of the construction complex as a whole. The successful development of the construction complex is capable of not only stimulating growth in all sectors of the economy, but also contributes to solving the most pressing social problems. Today, Yakutia has huge reserves of mineral raw materials for the production of a wide range of building materials and products. Of practical interest are wall materials made from clay soils. Given the features of the region’s raw material base, this work focuses on additional processing of traditional material. Controlling the complex physicochemical and structural-mechanical transformations that occur during heat treatment, a methodology has been developed for creating a composite material that will allow competitive innovative materials with enhanced strength properties to be produced with a reinforcing element with a glassy phase matrix of mullite crystals. The fabricated samples have a wide range of physical and mechanical properties and allow using it as a high-quality structural building ceramics, as well as industrial floor technical tile.
Technological Formation Features of the Lightweight Concrete Cellular Structure
Authors: Aksenova S.M. , Raschupkina M.A. , Deryabin P.P. , Danilina Yu.S.
Published: May 2020

One of the most important areas of energy and resource saving in construction is secondary material resources use. In modern construction, the requirements for concrete as one of the main building materials have grown so much that classical compounds are not able to provide the required qualities. Aware of this drawback, there is a tendency to improve and to change the structure and technology of modern concrete production with obtaining better physical and mechanical properties of a new building materials generation. Among the variety of technogenic wastes at the heart of the recycling problem is a significant part of cullet, which is an effective secondary resource in obtaining modern concrete compositions with ecological and economic effects. The physical-mechanical properties of a new high-efficiency thermal insulation material – foam glass concrete are presented. A method for the formation of the lightweight concrete cellular structure is proposed, and the scope of foam glass concrete products and structures is determined.
Study of the Impact Viscosity of the Epoxy Composite Modified Technical Carbon
Authors: Vasiliev S.V. , Fedorov Y.Y. , Savvina A.V.
Published: May 2020

This article discusses effect of filler concentration on impact strength of an epoxy resin composite. The optimal ratio of resin and hardener is defined. Research of the effect of the concentration of the filler - carbon black P505 on the impact strength of a composite material based on epoxy resin ED-20 is made. According to the results of the study, it is shown that with an increase of concentration of the filler from P505 carbon black, the toughness decreases. Fractographic studies of the fracture surfaces of composites were also carried out, which indicate that the introduction of a filler leads to a decrease in the surface energy of destruction. Thus, studies of epoxy composite modified with technical carbon grade P505 showed a decrease in impact strength up to 4 times, depending on the increase in the mass fraction of the filler.
Influence of Crumb Rubber Vulcanization Degree on the Quality of Asphalt Concrete Used in Road Construction
Authors: Karpenko Alisa V. , Karpenko Denis V. , Solovev Denis B.
Published: May 2020

Article covers the questions of economic effectivityand efficiency of implementing rut-resistant rubberized asphalt. Economic data for all road-construction climatic zones in Russia is included. Comparison is made between the two alternatives: pavement with the use of crumb rubber (RBV) and a pavement with a known stabilizing agent (SMA). Calculation is based on a market price of the additives and 0,8% dosage by the weight of the mineral composition. Calculation of the presents costs is made for the different Road climatic zones with effective pavement thickness 6 cm.