bluuebunny/crossref_metadata_2025 huggingface dataset:
Absolute dimensions of the low-mass eclipsing binary system NSVS 10653195
Authors: Iglesias-Marzoa Ramón , Arévalo María J. , López-Morales Mercedes , Torres Guillermo , Lázaro Carlos , Coughlin Jeffrey L.
Published: June 2019

Context. Low-mass stars in eclipsing binary systems show radii larger and effective temperatures lower than theoretical stellar models predict for isolated stars with the same masses. Eclipsing binaries with low-mass components are hard to find due to their low luminosity. As a consequence, the analysis of the known low-mass eclipsing systems is key to understand this behavior.

Aims. We aim to investigate the mass–radius relation for low-mass stars and the cause of the deviation of the observed radii in low-mass detached eclipsing binary stars (LMDEB) from theoretical stellar models.

Methods. We developed a physical model of the LMDEB system NSVS 10653195 to accurately measure the masses and radii of the components. We obtained several high-resolution spectra in order to fit a spectroscopic orbit. Standardized absolute photometry was obtained to measure reliable color indices and to measure the mean Teff of the system in out-of-eclipse phases. We observed and analyzed optical VRI and infrared JK band differential light-curves which were fitted using PHOEBE. A Markov chain Monte-Carlo (MCMC) simulation near the solution found provides robust uncertainties for the fitted parameters.

Results. NSVS 10653195 is a detached eclipsing binary composed of two similar stars with masses of M1 = 0.6402 ± 0.0052 M⊙ and M2 = 0.6511 ± 0.0052 M⊙ and radii of R1 = 0.687+0.017−0.024 R⊙ and R2 = 0.672+0.018−0.022 R⊙. Spectral types were estimated to be K6V and K7V. These stars rotate in a circular orbit with an orbital inclination of i = 86.22 ± 0.61 degrees and a period of P = 0.5607222(2) d. The distance to the system is estimated to be d = 135.2+7.6−7.9 pc, in excellent agreement with the value from Gaia. If solar metallicity were assumed, the age of the system would be older than log (age) ∼ 8 based on the Mbol–log Teff diagram.

Conclusions. NSVS 10653195 is composed of two oversized and active K stars. While their radii is above model predictions their Teff are in better agreement with models.
Numerical approximation of the 3D hydrostatic Navier–Stokes system with free surface
Authors: Allgeyer Sebastien , Bristeau Marie-Odile , Froger David , Hamouda Raouf , Jauzein V. , Mangeney Anne , Sainte-Marie Jacques , Souillé Fabien , Vallée Martin
Published: June 2019

In this paper we propose a stable and robust strategy to approximate the 3D incompressible hydrostatic Euler and Navier–Stokes systems with free surface. Compared to shallow water approximation of the Navier–Stokes system, the idea is to use a Galerkin type approximation of the velocity field with piecewise constant basis functions in order to obtain an accurate description of the vertical profile of the horizontal velocity. Such a strategy has several advantages. It allows

to rewrite the Navier–Stokes equations under the form of a system of conservation laws with source terms,

the easy handling of the free surface, which does not require moving meshes,

the possibility to take advantage of robust and accurate numerical techniques developed in extensive amount for Shallow Water type systems.

Compared to previous works of some of the authors, the three dimensional case is studied in this paper. We show that the model admits a kinetic interpretation including the vertical exchanges terms, and we use this result to formulate a robust finite volume scheme for its numerical approximation. All the aspects of the discrete scheme (fluxes, boundary conditions, ...) are completely described and the stability properties of the proposed numerical scheme (well-balancing, positivity of the water depth, ...) are discussed. We validate the model and the discrete scheme with some numerical academic examples (3D non stationary analytical solutions) and illustrate the capability of the discrete model to reproduce realistic tsunami waves propagation, tsunami runup and complex 3D hydrodynamics in a raceway.
Development of an infrared polarized microscope for evaluation of high gradient stress with a small distribution area on a silicon chip
Authors: Su Fei , Li Tenghui
Published: June 2019

In this paper, a special microscope to evaluate stress in a silicon chip was developed based on the principle of photoelasticity. To facilitate stress measurements and to improve their precision, two methods were adopted. First, a six-step phase shifting technique was realized with the aid of two motorized rotation stages. During the implementation of this phase shifting technique, six digital images were captured at different rotation angles of the two stages and employed to automatically calculate the birefringence. Second, an algorithm was developed to correct deviations in the position of the specimen in the six images caused by mechanical vibration; thus, the most significant source of error was addressed. The precision of the system in terms of measuring the stress-birefringence phase difference was verified with a standard quarter wave plate; the results demonstrate that the system is precise to within at least 2°. With the developed system, we evaluated the stress distribution and its variations with thermal cycling around through-silicon vias on a silicon chip at room temperature; we found that stress initially increased with the number of thermal cycles before decreasing with further thermal cycles.
Predictive characterisation identifies global sources of acyanogenic germplasm of a key forage species
Authors: García Sánchez Rosa María , Parra-Quijano Mauricio , Greene Stephanie , Iriondo José María
Published: June 2019

Forage breeding is essential for animal production, and its effectiveness depends on available genetic diversity. However, breeding is challenged when there is limited evaluation of genebank accessions. Predictive characterisation based on ecogeographic information is a promising approach to address the urgent need to expedite evaluation of target traits in existing collections of forage genetic resources. Using white clover (Trifolium repens L.) as an example, we applied predictive characterisation to model the expression of cyanogenesis, an important process related to the generation of anti-quality compounds. Data on genebank accessions and other population occurrences were divided into two subsets, one including accessions that had been evaluated for this trait, and the other with those that had not. The occurrence sites of the records with the best geo-referencing quality were characterised ecogeographically. The cyanogenesis trait was predicted using the calibration method, in which some selected ecogeographic variables were used as independent variables. Thus, we identified 470 populations with high probability of being acyanogenic. A small sample of populations (18 accessions) was evaluated to ratify the usefulness of this approach. Seventeen of the evaluated accessions showed a complete acyanogenic response and one showed 95% acyanogenic plants. Our study also expanded the areas previously rated as highly acyanogenic. In conclusion, our results contribute in a predictive way and with minimum cost to increase the knowledge of wild populations and genebank accessions in relation to a target trait. This facilitation in the generation of evaluation data may encourage greater investment in forage plant breeding and boost germplasm utilisation.
Acculturation drives the evolution of intergroup conflict
Authors: Henriques Gil J. B. , Simon Burton , Ispolatov Yaroslav , Doebeli Michael
Published: June 2019

Conflict between groups of individuals is a prevalent feature in human societies. A common theoretical explanation for intergroup conflict is that it provides benefits to individuals within groups in the form of reproduction-enhancing resources, such as food, territory, or mates. However, it is not always the case that conflict results from resource scarcity. Here, we show that intergroup conflict can evolve, despite not providing any benefits to individuals or their groups. The mechanism underlying this process is acculturation: the adoption, through coercion or imitation, of the victor’s cultural traits. Acculturation acts as a cultural driver (in analogy to meiotic drivers) favoring the transmission of conflict, despite a potential cost to both the host group as a whole and to individuals in that group. We illustrate this process with a two-level model incorporating state-dependent event rates and evolving traits for both individuals and groups. Individuals can become “warriors” who specialize in intergroup conflicts, but are costly otherwise. Additionally, groups are characterized by cultural traits, such as their tendency to engage in conflict with other groups and their tendency for acculturation. We show that, if groups engage in conflicts, group selection will favor the production of warriors. Then, we show that group engagement can evolve if it is associated with acculturation. Finally, we study the coevolution of engagement and acculturation. Our model shows that horizontal transmission of culture between interacting groups can act as a cultural driver and lead to the maintenance of costly behaviors by both individuals and groups.
Comprehensive comparison of pore-scale models for multiphase flow in porous media
Authors: Zhao Benzhong , MacMinn Christopher W. , Primkulov Bauyrzhan K. , Chen Yu , Valocchi Albert J. , Zhao Jianlin , Kang Qinjun , Bruning Kelsey , McClure James E. , Miller Cass T. , Fakhari Abbas , Bolster Diogo , Hiller Thomas , Brinkmann Martin , Cueto-Felgueroso Luis , Cogswell Daniel A. , Verma Rahul , Prodanović Maša , Maes Julien , Geiger Sebastian , Vassvik Morten , Hansen Alex , Segre Enrico , Holtzman Ran , Yang Zhibing , Yuan Chao , Chareyre Bruno , Juanes Ruben
Published: June 2019

Significance

The simultaneous flow of multiple fluid phases through a porous solid occurs in many natural and industrial processes. Microscale physical mechanisms such as the relative affinity of the solid for the fluids (i.e., wettability), capillarity, and viscosity combine with pore geometry to produce a wide variety of macroscopic flow patterns. Pore-scale modeling is an essential tool to connect microscale mechanisms with macroscopic patterns, but quantitative comparisons between different models, and with experimental data, are lacking. Here, we perform an unprecedented comparison of state-of-the-art models from 14 leading groups with a recent experimental dataset. The results underscore the challenges of simulating multiphase flows through porous media, highlighting specific areas for further effort in what is already a flourishing field of research.
Specific Character of Natural Hazards on High-latitude Sea Transport Passages Europe-Asia-Pacific Region: Challenges for Technosphere Safety
Authors: Vinogradov A N , Tsukerman V A
Published: June 2019

The especial feature of high-latitude marine routes is unusual geodynamic regime of the sea bed and hydrodynamic of waters, caused by a wide spread of a submarine permafrost, enriched with methane gas-hydrates. They had been accumulated during the Ice Age, and after deglaciation the both permafrost and gas-hydrates are subject to destruction, accompanied by a runoff of methane into sea water and atmosphere. There are two mechanisms of degassing: diffusion (DDG) and flare-bubble (FDG). DDG acts permanently resulting in appearance of areas with an abnormal concentration of methane dissolved in water, decreasing its density, and so affecting a floatability of vessels. FDG appears locally and impulsively, but this type of degassing presents an essential risk for a safety of high-latitude transport communications, as well as for underwater technical infrastructure in the exploited oil and gas fields. Fast-growing gas-hydrate pingoes can change the bottom relief and generate newborn islands or shallow banks with hummock. Consequences of the blowing up of subaqueous pingoes are very hazardous, and include a formation of giant pockmarks and craters at the sea bed, an emergence of large methane bubbles to the sea surface and emission in air of the methane tails up to a thousand kilometers in length. The entry of ships into the FDG zone is fraught with flooding; the engineering facilities in these zones will be subjected to mechanical damage and fires. Due to provide both industrial and ecological safety the special preventive measures are needed.
Investment Process Resource Provision in the Agricultural Sector
Authors: Sivash O , Ushakov D , Ermilova M
Published: June 2019

Based on the statistical data and analytical documents analysis, the purpose in this paper is to develop a methodology for determining the directions of the investment process regulation at various stages of its implementation and the optimal investment resources allocation. According to the purpose of the research, the following objects are defined in this paper: to explore the current state of the investment process development in the agricultural sector of the Russian Federation and the Republic of Crimea; to identify the goals for the investment process development in the agricultural sector of the Republic of Crimea in accordance with the main state program documents; to develop a methodology for determining the financial management centers at various stages of the investment process implementation; to develop a methodology for determining the interrelated modules that affect the modeled management system for the investment process adaptability in the agricultural sector; to identify the elements of the block system for managing the resource support of the investment process.
Assessment of Performance Indicators of Innovative Activity of Subjects of The Russian Arctic Based on The Triple Helix Model
Authors: Egorov N , Pospelova T
Published: June 2019

The article includes the econometric analysis of the key performance indicators of innovative activity, patenting activity, the production of innovative products and state support for innovative activities, state capacity and the implementation of cluster programs in the constituent entities of the Arctic zone of the Russian Federation. The results of the comparative evaluation of key indicators of scientific and educational complex, business and government in the Arctic regions and the rating of the composite index level of innovative development of the subjects is made on the basis of the concept of the Triple Helix Model. It is shown that the key indicators of innovation activity selected for analysis and evaluation reflect the real picture of the current situation of the state innovative development in the Arctic zone of Russia. On the basis of the analysis, it is possible to formulate certain scientific and practical recommendations for the adoption of various management decisions. The above methodology will improve the level and quality of strategic planning and management of the innovative economies in the Arctic Territory.
Modern Scientific and Methodological Approaches to Assessing the Competitiveness of the Region: Application Problems
Authors: Krasnokutskiy P A , Ugnich E A , Taranov P M
Published: June 2019

At present, the emphasis in studies on the competitiveness of countries shifts from national to regional. Taking into account the disproportions in the development of regions, as well as the importance of inclusive development for national economy as a whole, this approach takes on special significance. Inclusive development of the territory necessarily requires an approach to ensuring competitiveness and prosperity not as inherited, but as newly created. Assessment of the territory competitiveness faces a number of problems. In this work, the author’s vision of competitiveness assessment’s basic stages, based on comparative analysis, is presented. The conclusion, that increasing the competitiveness of the region should be considered as an instrument for achieving the ultimate goal - inclusive development, is made. Besides, the main problems that arise in assessing the competitiveness of the territories, were determined. It is established that the GDP per capita indicator, used as one of the indicators of the socio-economic territory development, does not fully comply with the modern concept of inclusive development. It is shown that the use of the Russian regional innovation index is appropriate for assessing the innovative component of the region’s competitive potential. The main shortcomings of the use of integrated indicators in assessing regional competitiveness are revealed.
Technology of Effective Polytechnical Training at the Basis of Creation of Ontologies
Authors: Dolyatovskiy V A , Gamaley Y V , Dolyatovskiy L V
Published: June 2019

The problem of growth of volume of engineering knowledge and their difficulties is considered when developing and using high technology productions and high technologies in regions. Growth of requirements to competences of engineering personnel and need of structurization and systematization of knowledge result in need of application of ontologic approach to polytechnic education. The expediency of forming of ontologies of two levels is shown: models of subject domain for understanding of essence of the engineering sphere and the structured set of elements of applied knowledge (ontology of the second order), are formalized the maintenance of simple and expanded ontologies. The formal structure of the virtual training environments for engineering education is defined, examples of the developed virtual environments for all levels of training are provided, the efficiency of their practical application is shown.
The Concept of a Regional Grain Production Cluster Ensuring Food Security
Authors: Onishchenko S K
Published: June 2019

The article is focused on the challenges of creating a regional grain production cluster to ensure the food security at the regional and national levels. The research substantiates the conceptual scheme of building a regional grain product cluster summarizing the theoretical aspects of agro-industrial cluster formation and operation in the regional agri-food sector, as well as critically revises the prospects for their further development based on the food security implementation. The integration-driven transformation of the enterprises of agro-industrial complex based on the created clusters is an alternative to the crisis processes in the regional agri-food industry which cause considerable economic loss and deteriorating the living conditions of the rural population. That is why the ways searching how to optimize the regional grain product cluster structure require a clear definition of the national economy and enterprises branches participating in final product making. The agricultural enterprises specialized in growing, storing and processing grain products should constitute the regional grain production cluster core. The regional grain production cluster is an innovative development mechanism of the agrarian economy contributing to the country’s food security.
On the Competence of Russian Arbitration Courts in Cases Involving Foreign Persons
Authors: Aporevich V N
Published: June 2019

The paper attempts to identify the features of determining the competence of arbitration courts in the Russian Federation in cases involving foreign persons. firstly, the features of the definition of foreign persons, on whose exact depends the possibility of providing judicial protection in case of violation of their rights and legitimate interests in the field of business and other economic activities. Secondly, an important criterion for the legal personality of foreign and international organizations engaged in entrepreneurial activity has been formulated. Thirdly, the analysis of the main criterion for referring a dispute involving foreign persons to the jurisdiction of the arbitration court of Russia - the criterion of connection with the territory of Russia. Fourthly, the paper notes that in cases where foreign persons who participate in a case before an arbitral Tribunal are located or reside outside the borders of Russia, they acquire the right to be informed of the proceedings through the determination of the arbitral Tribunal. Moreover, the notification is carried out by sending an order to the institution of justice or other competent authority of a foreign state. Fifth, the paper analyzes the exclusive competence of arbitration courts, which can be limited only by international treaties of the Russian Federation. Sixthly, it is noted that the evolving inter-state relations, legislation and judicial practice of most States demonstrate a departure from the principle of absolute judicial immunity of a foreign state in favor of functional immunity, distinguishing the activities of a state as a subject acting as a carrier of power, and as a “trading entity’.
Improvement of the Feasibility Study of Investment Projects Aimed at Increasing the Throughput and Carrying Capacity of Railway
Authors: Korf A K , Mironenko O V , Bakinovskaya M A
Published: June 2019

Increasing the efficiency and improving the quality of railway transport operations largely depends on the validity of investment projects for its development. However, the existing techniques for the feasibility study of investment projects aimed at increasing the throughput and carrying capacity of railroad sections are summarized and do not take into account some features of the evaluation of project activities. The weakest link in the feasibility study of the projects under study is the determination of cost parameters for the formation of the cash flow of the investment project. In the existing methodological provisions, only a description of the methods for evaluating the effectiveness of the project based on the calculated cost indicators is provided, therefore they can be identified as universal for all types of projects. They lack clear calculation algorithms (the exception is the cost of construction), recommendations, assumptions that need to be taken into account in the form of uncertainty in primary information and the structural changes that have taken place in recent years in the work of railways. Therefore, with the help of logical-analytical, systemic and other campaigns, the authors developed an algorithm (methodology) that can be used to select an effective method for organizing the movement of cargo flows along sections of the railway network, and the application, which is intended to facilitate a more justified choice of priority measures for the development of the railway infrastructure.
FMECA Use for the Equipment Reliability Analysis in Hydro-Power Engineering
Authors: Lifar A S , Brom A E
Published: June 2019

It is proposed to use FMEC analysis for collection and compilation of statistical information concerning failures of the main hydro-power equipment. An algorithm of FMEC analysis for hydro-power industry has been developed. In the article authors give an example of the analysis for the hydroelectric power station of the Angara-Yenisei cascade.
Self-Organization and Adaptation of Industrial Economic Systems in Dynamics of Its Entropy-Information Processes
Authors: Chuprov S
Published: June 2019

The relevance of the research paper is stipulated by the growing dynamism of economic systems, the severity and turbulence of their environment that induce nonlinear processes with inherent features. Application of views and tools of nonlinear dynamics promotes better understanding of the role and nature of the impact of disturbances and entropy on the functioning and self-organization of economic systems. Nowadays the evolving economy is nonstationary by nature that is the reason of its disequilibrium and instability in disturbed environment.

The theoretical issues of the mutual influence of entropy and information on the process of self-organization of industrial economic systems are considered. The nature and condition of self-organization in economic systems are identified from the standpoint of the entropic and information approaches. The influence of the information factor on the adaptation of the effect and stability of the activity of industrial enterprises in a non-stationary environment using V. Trapeznikov model, which formalizes the connection of indices of entropy, control information and the effect of functioning of the economic systems is discussed. In the future, due to the study of the dynamic properties of the functioning and self-organization of nonlinear industrial economic systems, it becomes possible to analyze the corresponding mathematical equations for the stability of the movements described by them.
Reliability Assessment of Counteragent in Electronic Cooperation Channels
Authors: Selezneva E Y , Rakutko S Y , Belik N V
Published: June 2019

National economic security is interrelated with financial security of the business structures. When planning business activity, however, economic agents may not always be able to adequately assess the current level of financial security of potential foreign counterparts. This is due to an insufficient completeness and depth of external and internal data on the current situation in the microenvironment of potential counterpart enterprise, which are available to them, and also to an unpredictable degree of the impact its changes have on the performance of an enterprise’s internal mechanisms relevant to the occurrence of internal financial risks. This article describes the results of reviewing existing information systems and resources designed to assess the reliability of counterparts and states the reasons for the inadequacy of domestic information systems to assess the reliability of foreign counterparts. The authors made an attempt to develop the system of parameters to create an information product capable of providing all necessary information about a foreign counterpart to assess its reliability, which does not require substantial amount of time and money and uses electronic communication channels in a one-stop way.
The Practice of Use and Development of Boarder Situation Potential (Based on The Materials of the Amur Region)
Authors: Dyachenko V N , Lazareva V V
Published: June 2019

The article is devoted to the actual problem of regional development – the existing practice and promising directions of using the potential of the border situation for the socioeconomic development of the region. The author’s position is justified basing on the theoretical analysis of existing research approaches to boarder potential. In the study the current state and transformations in the use and development of border potential in terms of development of Russian-Chinese border cooperation were estimated. It is concluded that the changes under the general foreign economy conditions of cooperation and transformation of border potential provide a significant increase in regional competitive advantages. It causes the necessity to correct strategic plans, so a special importance appears - the use of the new possibilities to create international transport corridor and increase export capacity. It is revealed that the low attractiveness of the region as a place of permanent residence remains. The outflow of population is largely determined by the negative trends in the system of settlement of the region, the increase in the number of small villages and the preservation of the border zone. The paper presents the results of calculations of costs and economic effect of the use of various options for the organization of resettlement of the population in large rural settlements of the region.
Development of the Elements of the Mechanism Accounting and Analytical Support of Economic Security of Construction Enterprises
Authors: Altukhov P V , Predeus N V , Predeus J V
Published: June 2019

For effective ensuring economic safety of subjects of construction business it is expedient to consider specifics of their functioning, including features of system of management, organizational structure, system of controlling, the reporting, etc. At the same time, in some cases, the conduct of control procedures, as well as «traditional» security measures does not ensure the economic security of construction enterprises in full, as often information about the facts of economic life is considered without taking into account aspects of their reflection in financial, managerial and tax accounting. The formation of accounting information in financial, managerial and tax accounting involves a large number of unresolved issues on the allocation of threats, including the financial position of the construction company, p. All this requires the development of elements of the mechanism of accounting and analytical provision of economic security of construction enterprises. The article defines and substantiates the criteria for ensuring the economic security of accounting, consisting in the correct application of the principles of financial, managerial and tax accounting, offers new and improved indicators characterizing the point of occurrence of threats to the financial position of the construction company. Recommendations on determination of break-even point which purpose is measurement of sensitivity of the received profit to the arising threats of economic security are resulted. The proposal for the revision of the grouping of costs into variable, constant, quasi-variable, semi-fixed, with the purpose of improving methods of determining the required breakeven point.
Some Extrinsic Motivational Factors for Learning Critical Foreign Languages
Authors: Atitsogbui E N , Garagulya S I , Atitsogbui R M K
Published: June 2019

In this article we discuss some extrinsic factors that impact students’ motivation to learn foreign languages. These factors, attitude, goals and efforts were studies and analyzed by many researchers. Taha [8], Huang [6], Csizer and Dornyei [2], noted that attitudes toward the language community, native speakers and the language itself are important factors in the learning process. These factors enable creation of a positive attitude and tolerance and understanding of cultural, religious, and societal differences.

Hidi and Harackiewicz [5] and Schunk [5] discussed the influence of mastery and performance goals on academic motivation. They emphasized that only attractive and realistic goals can motivate people to act.

Csizer and Dornyei [2], Schunk [5] considered effort as one of criterion measures to examine motivational factors that determine direction and magnitude of motivated human behavior.
Prospects for the reproduction of Human Capital and ensuring the economic security of the state in the Russian Federation
Authors: Dyshaeva L
Published: June 2019

Competitiveness of the Economy and the potential for future Socio-economic development is determined by the development of the Human Capital of the Nation, primarily via Education System, responsible Government Policy, Culture, Arts, Healthcare and Fitness.

This substantiates the requirement for the State funding of above mentioned sectors.

The presented article provides a review of the current threats to the successful renewal of the Human Capital, nested mainly in the Education System: fees system, limiting accessibility of educational services for children from low income families; reduction of in-class hours in Universities, leading to the low level of professional education; significant changes to the values in the Russian society, loss of moral and ethical principles which were based on healthy patriotism, collectivism, personal and working relationships formed responsibly and with good will.

The author believes that the spiritual values of the Nation form an essential part of the Economic and National Security.
Labor Stimulation Construction Scale on the Modern Production Enterprise
Authors: Astakhova E V , Ivanova O A , Khilkovskaya A A
Published: June 2019

Comparative analysis of approaches to the problem of staff material stimulation at an enterprise has been carried out. The necessity of workers’ material stimulation for more efficient utilization of enterprise current assets has been argued. The idea that efficient stimulation comes to selection of proper stimulation indicators according to enterprise specifics has been founded. The article studies theoretical grounds of the content and regulation of motivation and financial incentives in the world of work. The connection between ratios of current assets turnover and final results of enterprise activities has been determined. A model scale of financial stimulation for acceleration of current assets turnover has been constructed.
Grammaticalization as a Factor of Formation of the Semantics of Modal Verbs in the Modern German Language
Authors: Egorova O M
Published: June 2019

The article points out the modal verbs of the German language, which in their historical development have passed a way from full verbs (lexemes) to auxiliary verbs (grammemes) and demonstrated the ability to rethink their linguistic meanings. Peculiarities of new grammatical meaning of the modal verbs confirm the fact of existence of grammatical precedential meaning as its prototype – the first grammatical meaning. The process of redefining the first grammatical meanings into the secondary ones is carried out in the course of grammaticalization of the modal verbs.
Organizational and Economic Mechanism of Investment Management in the Renovation of Residential Buildings in Moscow
Authors: Kolobova S V
Published: June 2019

Moscow as one of the megacities of the world is subjected to socio-economic trasnformation, the introduction of innovative technologies, changing the urban environment. The main purpose of these changes is to create a comfortable living environment for citizens. A number of investment projects are currently being implemented in the capital. One of them is an investment and construction project of renovation of residential buildings of the first period of industrial housing construction in Moscow. Investment and construction program of renovation in Moscow started in 2017 and is designed to 2032. The renovation program is the second stage of the complex reconstruction of the panel five-story buildings in Moscow. Successful implementation of the state program largely depends on the well-established organizational and economic mechanism of investment management in the renovation of residential buildings in Moscow. The effectiveness of such a mechanism will require a number of complex tasks. The article examines the organizational and economic mechanism of investment management in the investment and construction project for the renovation of residential buildings in the metropolis. The analysis of the purpose, subject, object, stages and tasks of the investment and construction project containing innovative components. Based on the results, recommendations are made for making a decision on the further implementation of the state program of innovative nature. That will optimize the expenditure of budgetary and extra-budgetary funds, reduce the time of construction, improve the quality of construction of residential and social infrastructure, improve the consumer quality of residential areas, houses, apartments and non-residential premises.
Multiparameter Control of Schoolchildren’s Mastery of the Basic Educational Program
Authors: Sergeevna P A
Published: June 2019

Based on the requirements of the educational standards, groups of parameters were revealed, according to which educational achievements should be monitored. It includes assimilation of theoretical material, the performance of tasks and exercises, the performance of laboratory and practical work, the intersubject skills, personal development, health. Information systems (IS) used in educational practice have a problem of insufficient quality in terms of functional completeness, namely, they provide control only for half of the required groups of parameters. Increase in functional completeness of IS can lead to significant increase in size of the data which are stored in system. Consequently, the processing time of monitoring results also increases, which reduces the productivity of IS. The article considers the problem of improving the quality of the functioning of the information system of multiparametric control of schoolchildren’s educational achievements. Within the framework of the subject domain modeling, using the principles of such general scientific methods of research as structural and morphological analysis, a model of the object structure of schoolchildren’s educational achievements has been created. It has the form of a morphological hierarchical tree and includes more than 80 educational results to be collected, stored and processed. The analysis of the time of formation of a report with a multiparametrical mark of the schoolchildren was carried out. The conclusion is drawn that in scales of the subject of the state temporal time delays will have unacceptable value. The method of increase in system performance is applied, namely - the denormalization used for optimization of the diagram of data storage. Results of an experiment according to productivity of the developed information system showed efficiency of the applied method.
Selection of Software Products for the Development of a Calendar Plan for High-Rise Construction
Authors: Dzhusoev H , Sinenko S , Slavin A
Published: June 2019

The paper discusses popular software products for the development of a high-rise building calendar plan, such as Rillsoft and “Hector: designer-Builder. Selected automated systems development schedule are necessary functions of data processing, have the ability to filter, display, alternating different sets of data, consideration of their sequence and interrelation; a sequence change data sets and correcting the data. When defining the work item has an opportunity to address their implementation in a variety of ways: with a “standard” single-variant technology; with recommended production technology; multiple technology. The content of software systems is unequal, and they contain extensive graphic and text databases, a comprehensive library of normative and methodological documents, numerous technological guides, a library of technological schemes and standard technological maps, examples of the development of organizational and technological documentation. Work in software complexes was carried out both in local mode on the separate computer, and in a network mode with support of simultaneous work of several users in a local network. The program modules which are a part of program complexes which are intended for the automated decision of the most difficult and labor-consuming tasks of organizational and technological design according to requirements of the operating normative and methodical documentation were used. It is concluded that a more detailed analysis of programs is needed to select the most optimal range of tasks for each software product.
Decomposition of Methane Hydrate with Heat Exposure
Authors: Davletshina M R , Stolpovskii M V , Solovev D B
Published: June 2019

The paper presents a mathematical model of dissociation of methane hydrate during thermal exposure to a porous layer. The problem of the impact of a heat source (hot fluid) on a porous reservoir of finite length, initially saturated with methane hydrate, is considered. The temperature distributions in the system are constructed at different points in time. The influence of the temperature of the heat source on the nature of the movement of the phase transition boundary is investigated.
Biohydrochemical Studies of the Intra-Annual Nutrient Dynamics in the Northeastern Shelf Waters of the Sakhalin Island
Authors: Leonov A V , Pishchal’nik V M , Petukhov V I , Petrova E A , Chicherina O V
Published: June 2019

The transformation of nutrients in marine environments of the northeastern part of the Sakhalin shelf was studied. Based on the data on the status of the thermohaline parameters of sea water, the dynamic ocean model and the hydroecological model, the seasonal dynamics of concentrations of organic and mineral substances for growth biomass aquatic organisms are presented.
The Role of Urban Squares in the Spatial Concept of Being
Authors: Maslovskaya O
Published: June 2019

The goal of the study is to identify the phenomenological values of the city squares and their role in spatial concept of being. The methodology of the study is based on principles of the phenomenological approach in architecture that infer two directions of the relationship between man and place in the spatial concept of being: human identification (identification with the place) and spatial orientation, capable of delivering a sense of contentment, fullness of everyday experience with existential meanings. City squares always play leading roles in the spatial concept of being, serving as nodes and spatial landmarks. Squares play an exceptional role in shaping the landscape, opening the quality of place, collecting and structuring it.
Methodology of Sustainable Development of City’s Cultural Landscape
Authors: Erysheva E , Moor V
Published: June 2019

Cultural landscapes in combination with unique natural complexes make a united natural and cultural framework of the urbanized environment, and their harmony is a condition of preservation and a sustainable development of environment. The variety of initial conditions and the factors defining a structure of the city’s cultural landscape can be united in three main groups: natural and geographical, socio-historical and material and technological. The complex consideration of these conditions and factors provides an objective basis of comprehensive approach at projecting. Basic principles ensuring sustainable development of the city’s cultural landscape: structural and modular coordination of the natural landscape and building; visual disclosure and active orientation of the building in relation to the landscape; semantic saturation of the cultural landscape with regional meanings and significance; purposeful formation of an artistically expressive panorama and silhouette of the city; preservation and restoration of aesthetically valuable elements of the natural landscape; organic sustainable development of the cultural landscape.
The Prospects of a Small-Block House Building within the Concept of the Automated Structure Construction of Residential Buildings
Authors: Kulikov A V , Baranov V A
Published: June 2019

This article represents conceptual research of the issues of automation of wall construction of multistoried buildings. Initially, the authors of the article reviewed key issues arising at realization of layer-by-layer wall construction method using building printers (so-called contour construction). According to the authors, the specified problems make significant limitations in the further development of contour construction method, since they have no simple solutions within this method. In other words, the method doesn’t allow to solve some specific technological issues related to the field of structural design. Authors proposed a concept of the automated small-block construction method, which allows to solve the listed issues, and also to reduce quantity of technological steps made directly on the building site. The concept borrows some practices of the existing contour construction methods (in particular, use of portal printers), by keeping unchanged the principle of small-block wall construction method. Thus the automation of the building of the walls concerns precisely the processes of preparation, delivery, and installation of small blocks in their specified position, and the associated technological processes (like wall decoration or channel making) decide due to complication of wall blocks structure. The authors of the article consider that the proposed small-block construction method will allow to optimize and accelerate processes of structure construction of residential buildings.
Longitudinal Walls Oscillations of an Annular Channel Filled with Pulsating Viscous Fluid
Authors: Kondratov D V , Popov V S , Popova A A
Published: June 2019

The mathematical model for longitudinal oscillations study of elastically fixed walls of an annular channel filled with a viscous fluid is reviewed. We assume that the channel walls are formed by two coaxial cylinders. These cylinders were elastically fixed at the edges and could make only longitudinal oscillations. The fluid motion in the channel takes place due to assigned pulsating pressure difference. The creeping liquid motion is studied and the hydrodynamic parameters distribution laws of the annular fluid layer as well as the motion laws of the channel walls are estimated. The steady-state harmonic oscillations regime is considered. Amplitude frequency characteristics of the annular channel walls are constructed.
CELF2 suppresses non-small cell lung carcinoma growth by inhibiting the PREX2-PTEN interaction
Authors: Yeung Yiu To , Fan Suyu , Lu Bingbing , Yin Shuying , Yang Sen , Nie Wenna , Wang Meixian , Zhou Liting , Li Tiepeng , Li Xiang , Bode Ann M , Dong Zigang
Published: June 2019

The phosphoinositide 3-kinase (PI3-K)/Akt signaling pathway is important in the regulation of cell proliferation through its production of phosphatidylinositol 3,4,5-triphosphate (PIP3). Activation of this pathway is frequently observed in human cancers, including non-small cell lung carcinoma. The PI3-K/Akt pathway is negatively regulated by the dual-specificity phosphatase and tensin homolog (PTEN) protein. PTEN acts as a direct antagonist of PI3-K by dephosphorylating PIP3. Studies have shown that PTEN phosphatase activity is inhibited by PREX2, a guanine nucleotide exchanger factor (GEF). Multiple studies revealed that CELF2, an RNA binding protein, cooperates synergistically with PTEN as a tumor suppressor in multiple cancers. However, the underlying mechanism as to how CELF2 enhances PTEN activity remains unclear. Here, we report that CELF2 interacts with PREX2 and reduces the association of PREX2 with PTEN. Consistent with this observation, PTEN phosphatase activity is upregulated with CELF2 overexpression. In addition, overexpression of CELF2 represses both Akt phosphorylation and cell proliferation only in the presence of PTEN. In an ex vivo study, CELF2 gene delivery could significantly inhibit patient-derived xenografts (PDX) tumor growth. To further investigate the clinical relevance of this finding, we analyzed 87 paired clinical lung adenocarcinoma samples and the results showed that CELF2 protein expression is downregulated in tumor tissues and associated with poor prognosis. The CELF2 gene is located on the chromosome 10p arm, a region frequently lost in human cancers, including breast invasive carcinoma, low-grade glioma and glioblastoma. Analysis of TCGA datasets showed that CELF2 expression is also associated with shorter patient survival time in all these cancers. Overall, our work suggests that CELF2 plays a novel role in PI3-K signaling by antagonizing the oncogenic effect of PREX2.