Magnetic structure and phase diagram of TmB4

Magnetic structure of single crystalline TmB4 has been studied by magnetization, magnetoresistivity and specific heat measurements. A complex phase diagram with different antiferromagnetic (AF) phases was observed below TN1 = 11.7 K. Besides the plateau at half-saturated magnetization (1/2 MS), also plateaus at 1/9, 1/8 and 1/7 of MS were observed as function of applied magnetic field B//c. From additional neutron scattering experiments on TmB4, we suppose that those plateaus arise from a stripe structure which appears to be coherent domain boundaries between AF ordered blocks of 7 or 9 lattice constants. The received results suggest that the frustration among the Tm3+ magnetic ions, which maps to a geometrically frustrated Shastry-Sutherland lattice lead to strong competition between AF and ferromagnetic (FM) order. Thus, stripe structures in intermediate field appear to be the best way to minimize the magnetostatic energy against other magnetic interactions between the Tm ions combined with very strong Ising anisotropy.Comment: 4 pages, 4 figures, conference contribution - CSMAG 0

MANAGEMENT DECISION-MAKING IN THE TRANSFORMATION OF HIGHER EDUCATION

The main directions of the transformation of higher education in the Russian Federation. Clarifications on the role of leadership in the management decision-making in higher education. The formation of a broad group of larger competitive at the national level, regional universities and their focus on quality training of specialists in demand on the regional labor market. Obtained problem management decision-making, strategy development and their relationship with the state policy in the sphere of higher education

MANAGEMENT DECISION-MAKING IN THE TRANSFORMATION OF HIGHER EDUCATION

The main directions of the transformation of higher education in the Russian Federation. Clarifications on the role of leadership in the management decision-making in higher education. The formation of a broad group of larger competitive at the national level, regional universities and their focus on quality training of specialists in demand on the regional labor market. Obtained problem management decision-making, strategy development and their relationship with the state policy in the sphere of higher education

PERSONAL ASPECT OF MEDICAL STUDENTS’ TRAINING BASED ON UNDERSTANDING OF PSYCHOLOGICAL DIFFICULTIES OF THE PROFESSION

The article investigates the issues of psychological difficulties prevention in the medical profession in the training of medical students. The paper substantiates the arguments for strengthening the personal aspect of medical students’ training based on understanding the ideas about difficulties in the work of a doctor. The authors reveal the interrelation between personal characteristics of students (conscientiousness, understanding of emotions, benevolence, etc.) and their ideas about the nature of difficulties in the chosen specialty at the stage of training. The study presents the main directions of students’ understanding of such difficulties. The article describes strategies for supporting students based on the correlations of personal characteristics and the above-mentioned ideas, aimed at mastering a confident behavior by students. The proposed strategies can be of interest to teachers of courses related to ethical issues of the profession, as well as in individual work with medical students

Planning algorithm for efficient and sustainable crop production

The process of agricultural production is associated with a complex of factors of a different nature: systemic, technological, biological, socio-economic, climatic, reproductive, environmental. All of them influence the size and stability of economic and financial results. There is a threshold level of enterprise management complexity, the excess of which motivates agribusiness to switch to computerized methods. Management of an agricultural enterprise should be based on planning results, updated in a rolling mode. When developing the annual plan, it is necessary to take into account a lot of heterogeneous information and tend to the optimal solution – the achievement of the target indicators with the minimum expenditure of resources. As the basis of the optimal annual planning system, the article proposes an economic-mathematical model for optimizing the production and industry structure of an agricultural enterprise, which includes the following modules: assessment of the parameters of the yield production functions based on field history, the formation of a fertilizer application plan with justification of economically feasible yield levels, solving the problem of optimizing the sectoral structure of crop production, taking into account the forecrop influence in the crop rotation. The algorithm for finding an effective and stable production structure under various combinations of environmental conditions implements the following sequence of procedures: generation of parameter combinations of the economic-mathematical model; obtaining the optimal solution for each combination of these parameters; assessment of the mathematical expectation of the efficiency criterion and variance for each optimal solution on a variety of parameter combinations; choice of a highly effective solution with a low dispersion of this efficiency. To implement this algorithm, the method of simulation experiments in the space of system parameters is used. The optimal solution is chosen by minimizing the distance to the “ideal point” (maximum efficiency, minimum dispersion).El proceso de producción agrícola está asociado con un complejo de factores de diferente naturaleza: sistémicos, tecnológicos, biológicos, socioeconómicos, climáticos, reproductivos, ambientales. Todos ellos influyen en el tamaño y la estabilidad de los resultados económicos y financieros. Existe un nivel umbral de complejidad de gestión empresarial, cuyo exceso motiva a los agronegocios a cambiar a métodos computarizados. La gestión de una empresa agrícola debe basarse en resultados de planificación, actualizados en un modo continuo. Al desarrollar el plan anual, es necesario tener en cuenta mucha información heterogénea y tender a la solución óptima: el logro de los indicadores objetivo con el gasto mínimo de recursos. Como base del sistema óptimo de planificación anual, el artículo propone un modelo económico-matemático para optimizar la producción y la estructura industrial de una empresa agrícola, que incluye los siguientes módulos: evaluación de los parámetros de las funciones de producción de rendimiento en función del historial de campo, la formación de un plan de aplicación de fertilizantes con justificación de niveles de rendimiento económicamente factibles, resolviendo el problema de optimizar la estructura sectorial de la producción de cultivos, teniendo en cuenta la influencia de la cosecha en la rotación de cultivos. El algoritmo para encontrar una estructura de producción efectiva y estable bajo diversas combinaciones de condiciones ambientales implementa la siguiente secuencia de procedimientos: generación de combinaciones de parámetros del modelo económico-matemático; obtener la solución óptima para cada combinación de estos parámetros; evaluación de la expectativa matemática del criterio de eficiencia y la varianza para cada solución óptima en una variedad de combinaciones de parámetros; elección de una solución altamente efectiva con una baja dispersión de esta eficiencia. Para implementar este algoritmo, se utiliza el método de experimentos de simulación en el espacio de los parámetros del sistema. La solución óptima se elige minimizando la distancia al "punto ideal" (máxima eficiencia, mínima dispersión)

Efficiency of the organization of personal choice in the development by the students of the methods of creative activity

The reasons for introducing opportunity of a choice in lesson structure as an intrinsic feature of teacher personality has been represented. And it demands relevant organization in the process of professional training. The correlation between the readiness of a teacher to act under conditions of uncertainty and the readiness of students to choose ways of creative activities has been substantiated. The basic aspects of organization of students' personal choice of ways of creative activities, for example, heuristic tasks, have been examined. The factors, which raise or lower the effectiveness of organization of that choice, have been highlighted

Development of a New Dosage Form of Herbal Medicinal Products

The «cut-and-pressed granules» dosage form was developed to improve the technological properties of cut and powdered herbal substances in order to compensate for their insufficient flowability, as well as to facilitate dosing, reduce the contamination of the production equipment with dust and contamination of water extracts with dietary fibers. Based on the results of the information research the authors chose an optimal technology for the production of cut-and-pressed granules from some types of herbal substances (Rose hips, Bearberry leaf, Thyme herb, Melissa herb, Oregano herb, Motherwort grass, Matricaria flower). The authors standardised the new dosage form, developed the list of test parameters, test methods, and regulatory requirements for the quality of medicinal products based on the technological features of the new dosage form. Cut-and-pressed granules should not be produced from herbal substances that contain essential oils and coumarins, as it was demonstrated that the content of these compounds may decrease in the process of wet granulation. To determine whether it is possible to produce cut-and-pressed granules from a particular type of raw material, it is necessary to conduct comparative experimental studies confirming that the quality of aqueous extracts obtained from powdered herbal substances in sachets is comparable to that of tinctures or decoctions obtained from cut-and-pressed granules packed in sachets. The materials of the study were used to draft the general chapter OFS.1.4.1.0022.15 «Cut-and-pressed granules». This dosage form is not described in any foreign pharmacopoeias

The role of the state in the financing sources’ formation of industrial enterprises’ innovative activities

Currently, the external conditions for the functioning of industrial enterprises are formed in such a way that the achievement of their goals is seen impossible without the implementation of innovative activities. Due to the high cost of innovations, as well as the need to conduct these processes on an ongoing basis, industrial enterprises lack their own funds to finance innovation activities. The state is interested in the innovative development of industrial enterprises. This is one of the reasons why it participates in the formation of their funding sources. The article substantiates the need for state support, as well as analyzes the options for its provision by type of financing sources. For each type of sources, options for providing large-scale support, implying a large coverage area, as well as point-directed support, are also highlighted