Key words and phrases:
original model; static mathematical model; modified model; tuning parameters; initial estimate;
parametrical identification of the model; complex technological system
Abstract:
The task of parametrical identification based on the module principle of mathematical model
of some technological system is studied. As a result of independent identification of separate
modules the vector is obtained from their tuning parameters and it is used as initial estimate
in the task of parametrical identification of original model. The role of initial estimate for
tuning parameters of original model in convergence and time required for search of minimum integral
function of identification is evaluated.
Key words and phrases:
tasks of project initiation; decision making; strategic partnership.
Abstract:
The tasks of making decisions about strategic partnership concerning the stage of project
initiation are studied. The classification of the tasks for project initiation is proposed;
mathematical formulations of three types of tasks are made; the vivid example is given.
Key words and phrases:
decomposition methods of optimization; hierarchical structure; solution coordination; local
and global tasks; multi-stage processes; optimum costs distribution; cobalt solutions
purification (refining); complex system; obvious decomposition.
Abstract:
The paper deals with basic peculiarities of complex systems; the advantage of hierarchical
structure of the system of optimum control over complex systems compared to centralized one
is proved. Reasons for the choice of decomposition methods of control over complex technological
systems are given.
Key words and phrases:
multi-frequency SAR; radial velocity; radio locator with synthesized aperture; extended
Kalmanovsky filter; selection of moving targets; point reflector; observation equation;
condition equation; resolution element.
Abstract:
Optimum algorithms, enabling to select and measure radial velocity and angle position of
small-size moving on-ground targets on the reflection background off ground surface with
the help of two- and three-frequency radars installed on aircrafts, are obtained and
analyzed.
Key words and phrases:
catalogue; contact conductivity measurement; prospects of development.
Abstract:
The state of low frequency contact conductivity measurement in Russia over the last
20 years as well as prospects of its development are studied.
Key words and phrases:
energy harvesting; mechanical vibrations; piezoelectric elements; Structural Health Monitoring.
Abstract:
This paper describes a new experimental methodology for accurate measurements
of the efficiency of energy conversion in PZ (piezoelectric) elements. These elements are
often used to monitor on-line the progressive structural damage of engineering structures,
such as bridges, aircrafts and pipelines. Harvesting energy from small amplitude mechanical
vibrations of such structures can revolutionize these monitoring techniques by increasing
their reliability, reducing the maintenance cost and making them fully autonomous. As the
quantity of electrical energy that can be harvested from vibrations is rather low, it is
important to ensure that the piezoelectric elements are operating at the best possible
efficiency.
Key words and phrases:
non-destructive control; measurement error; heat diffusivity; ordered heat mode.
Abstract:
The method of determining the coefficient of materials heat diffusivity by absolute
technique excluding the influence of external conditions on the process of research and
based on temperature changes on the surface of prism of square section is developed;
metrological analysis of the proposed method of control is carried out.
Key words and phrases:
interconnected heat and mass transfer; mathematical model; non-linear model; Markov’s chain;
cell model.
Abstract:
Cell model to solve the equations of heat diffusivity and diffusion in flat section of
optional configuration is proposed. The model is generalized in case of variables dependent
on condition parameters of materials thermo-physical properties, thus extending the
possibility of adequate description of heat and mass transfer processes.
Key words and phrases:
non-drainage storage; cryogen liquids; free convection.
Abstract:
Basic thermal physical characteristics of liquid nitrogen, hydrogen and oxygen in working
scales of temperature are systemized, the technique of determining the duration of their
non-drainage storage in industrial reservoirs on the basis of convective-free mechanism of
heat transfer is proposed. The example of the calculation of the time for cryogen liquids
storage without pressure release from vapor space is given.
Key words and phrases:
coordinate of output section; the velocity of material flow along X axis; the velocity of
material flow along Z axis; average specific shift deformation; total shift value;
coordinate of input section.
Abstract:
Technological parameters of recycling of film thermoplastics with regard for the best
physical-mechanical indexes of obtained granules are determined.
Key words and phrases:
water-resistance; sorption isotherm; sorption kinetics; silica gel.
Abstract:
Silica gel is well-known as a sorbent-dryer and a base for many catalysts. The industrial
way silica gel production is based on interaction between sodium silicate solution and
sulphuric acid with hydro gel formation, hydro gel washing and drying. The drawback of
silica gels is their low water resistance that limits their field of application.
Water-resistant silica gels produced by forming the finely dispersed initial silica gels
with binders do not possess such a drawback. Production technology of water-resistant
silica gels is developed and their production is carried out ate the enterprise
“Roskhimzashchita”. Advantages of their application in terms of pressure swing adsorption
are shown.
Key words and phrases:
impulse current; composite materials; metal-organic compounds; metals and alloys; organic
substances; alternate current.
Abstract:
The processes of electrochemical derivation of different products (metals and their alloys,
composite materials, metal-organic and organic substances) using electro-synthesis in
alternate and impulse current are studied. It is shown that the use of sinusoidal,
asymmetric and pulsating current enables to intensify the processes of derivation of
different products with given physical mechanical properties. The direction of searching
new compounds of reacting masses and technological parameters of the process of electrochemical
synthesis of organic compounds is determined.
Key words and phrases:
assumed natural strain method; four-node solid plate element; mixed finite element models.
Abstract:
On the basis of the first-order solid plate theory, proposed in earlier authors’ articles,
two assumed stress-strain ANS quadrilateral four-node solid plate elements are developed.
This paper generalizes the conventional assumed stress solid plate/shell finite element
formulation because transverse shear strains are distributed in the thickness direction
according to the linear law. Both quadrilateral ANS solid plate elements developed are
based on the unified technique that allows assessing their advantages and disadvantages.
It is worth noting that element stiffness matrices of elaborated quadrilaterals including
a displacement-based ANS quadrilateral four-node element have six zero eigenvalues as
required for satisfaction of the general rigid-body motion representation.
Key words and phrases:
initial measurement converter; thermo-generation of charge carrier; thermo-physical characteristics.
Abstract:
Physical processes occurring in semiconductors under the influence of temperature are
studied and systemized. The possibility of using these materials for measuring thermal
values is shown.
Key words and phrases:
configuration of liquid ring, angle of rotation of rotor, vanes of rotor, area of working
cavity, pressure of gas phase.
Abstract:
The method of analytical determination of inner surface of liquid ring on the basis of
interaction of flow of working fluid and thermodynamic flow of gas phase is suggested.
The obtained mathematical relationship of change in working volume of gas phase by the
angle of rotation of rotor taking into account the dipping of vanes of the rotor into the
liquid ring allows to develop more precise methods of calculation for increasing of
efficiency of liquid ring vacuum pumps.
Key words and phrases:
grinding; milling cutter; frozen rock; thermal power stations.
Abstract:
It is shown that the schemes of location of cutters on the drums of milling cutters of the
existing grinding-cutting machines do not meet the allowed mode parameters.
The calculating dependencies, determining optimum conditions of cutters work and minimum
of specific costs on destruction of large rock and frozen fuel are given. Mode parameters
and destruction parameters for a specific type of unit of grinding coal fuel in suitable
devices of thermal power stations are grounded
Key words and phrases:
durability; composites; strength; ability to work; temperature.
Abstract:
Regularities of strength and deformation durability of wood and wood composites in a wide
scale of load are studied. The influence of different factors on the constants is examined.
The values of physical and empirical constants, determining the durability are obtained;
thus the new ways of regulating durability of wood and wood composites are found.
Key words and phrases:
losses; mode; harvesting; standing crop.
Abstract:
Groundings and calculation of parameters and operation modes of reaping machine reel are presented.
Key words and phrases:
continuous professional training; managers training; content designing.
Abstract:
The results of analysis of the system of managers’ continuous professional training are
presented; those revealed great contradictions in the organization of this kind of
specialists’ training.
Key words and phrases:
automated systems of education; automated laboratory complex; Internet technologies;
information educational resources; information methodological resources; knowledge
control; study research resources; electronic textbooks; electronic study guides.
Abstract:
The paper deals with methodology of designing automated laboratory complexes. The classification
of the existing automated systems of education is presented. The requirements for development
of information study, research and information methodological resources are identified;
basic functions of automated laboratory complex are enumerated. The example of automated
laboratory complex for training chemical lab workers developed by the authors is given.
Key words and phrases:
quality of education; pedagogical technology; system-oriented control; taxons; study module;
functional-net monitoring; functional systematics.
Abstract:
The paper deals with functional-net monitoring of educational process as a sub-system controlling
the quality of specialists’ training in technical subjects when using systematic pedagogical
technology oriented at obtaining functional complete results of learning at every lesson.
Key words and phrases:
aims and tasks of ESP; English for Specific Purposes (ESP); social and professional needs;
structure and content ESP course; teaching English; university level.
Abstract:
The main problems connected with teaching English for Specific Purposes at university level
are overviewed. The aims and tasks of teaching English for Specific Purposes to students
of technical specialities are formulated. The goals, structure and content of ESP course
for students of technical specialities are introduced.
Key words and phrases:
professional competence; personality development.
Abstract:
The approach to formation of school and lyceum students’ professional competence in the
course of study area “Information Science” is given.
Key words and phrases:
designing of educational systems; teacher’s professional training.
Abstract:
The approach to training future teachers in the area of designing educational systems
structures is given.
Key words and phrases:
dynamics of volume of business; price indexes; innovation center; cluster approach;
organizational structure; capacity.
Abstract:
The analysis of technical-and-economical indexes of machine-building enterprise is carried
out. It is found out that the volume of sales increases only on the basis of cost, while
the company is on the verge of bankruptcy. Reorganization of organizational structure of
the company and regional innovation center on the basis of cluster approach is proposed.
Key words and phrases:
information system of company management; quality of management; borrower’s solvency.
Abstract:
The approach to evaluation of the quality of company management as a necessary element of monitoring its solvency is studied. The necessity of analysis of company’s business platforms, activities aimed at the improvement of labor psychology, prospects of using modern
standards and automated information management systems is shown.
Key words and phrases:
ethnography; informatization; information institutions; the mathematization of sciences;
scientific studies; a scientific and educational discipline.
Abstract:
The programme of the analysis of ethnography as a scientific and educational
discipline from the point of view of scientific studies is examined in the article
for the first time, the definition of ethnography is given.
Key words and phrases:
war; ideology; Komsomol; culture; youth; rear.
Abstract:
The content of state policy concerning ideology and culture during the war and participation
of regional Komsomol organizations is studied.
Key words and phrases:
homelessness; child neglect; orphans; orphanage; Committee on improvement of children’s
life; vocational training.
Abstract:
The reasons for homelessness and basic forms of its elimination in 1937-1939 as well
as the way of orphans’ life at pre-war time are considered.
Key words and phrases:
public; Kirsanov district; railway; zemstvo; Tambov region; primary education.
Abstract:
Particular aspects of B.N. Chicherin’s public activity in Tambov region are studied.
Key words and phrases:
axiological evaluation; the source and target in the metaphor structure; key metaphor;
cognitive metaphor; lingvo-cultural community; metaphoric model; metaphoric thinking;
national determination; reason for metaphoric transfer; economic notions representation;
substantive and predicative metaphors.
Abstract:
On the basis of French and Russian literature metaphoric models representing economic notions
are found out and analyzed by their association with concepts reflecting the fragments of
the world’s picture. The given classification of determined metaphoric models proves that
complex economic notions are represented by easy for understanding concepts typical of
commonplace mind. The analysis of metaphoric models demonstrated that metaphors help to
reveal and evaluate the most important characteristics of economic notions. The analysis
also enabled to show common and national specific features of models in Russian and French
texts on Economics.
Key words and phrases:
period; period logical structure; preface; semantic unity; syntactic construction (simple
complex); syntactical connections; topic logical diagram.; topic of cause; topic of effect.
Abstract:
Dependence of period syntactic organization on cause and effect topics logical structure is under discussion. It is stressed that creation of a harmonious period is almost impossible without application of syntactic construction which structure largely reflects the location and correlation between topics of cause and effect within the period.
Two simple diagrams “fan” and “chain” are suggested. More complicated diagrams – “circular” and “stepped” – to visualize intricate relations inside a period were introduced. Detailed syntactic analysis of investigated topics is presented.
In conclusion results of comparative investigation of cause and effect topics syntactic structure are discussed.
Key words and phrases:
ambivalent; participle II construction; interpretation; participle I construction; synonymy; transformation.
Abstract:
Ambivalent interpretation of participle I and participle II constructions in the German and
Russian languages is studied. The change of meaning of one and the same participle construction
indifferent contexts is analyzed. The author refers to the works of G. Helbig, I. Bush, E.I.
Shendels, I.V. Belyavtseva.
Key words and phrases:
the Bolon declaration; competence approach to education; International Association of Schools of social work;
module technologies of higher education; levels of practice.
Abstract:
The programs of social workers training in the UK (Wales, England, Scotland) are compared.
The directions of training programs of bachelors and asters in the sphere of social work at
different levels of training are analyzed.
Key words and phrases:
category; cluster; concept; net world view; prototype.
Abstract:
This paper is devoted to the problem of the categorization and its reflection in net jargon.
The aim of the investigation is to define the composition of the category “person” within
net jargon limits, to reveal its structure and to determine common and nationally-specific
characteristics.
Key words and phrases:
competitiveness of educational organization; quality control; quality support.
Abstract:
The approach to designing the system of quality control over educational organization,
positioned on the market of business education services.
Key words and phrases:
competitiveness of educational organization; quality control; quality support.
Abstract:
The methods of achieving and maintaining the competitive advantage of enterprise by means
of the system of quality control over positioning are presented.