The paper deals with review of main methods of compound details irregular optimal packing on sheet material problem solving. Existing methods and approaches to solve compound details irregular optimal packing on sheet material problem were descibed. The classification of such methods and approaches was proposed. The most perspective approaches to solve irregular packing problem were identified

Keywords: cutting-packing, irregular shaped cutting, classification, methods, approaches, complex form

"The aim of this work - analysis of mechanisms of formation of various types of sales management systems, which are used by the Russian entrepreneurial companies. In carrying out this study tested the accuracy of the following hypotheses:
Hypothesis 1: Managers and owners of business enterprises of small and medium-sized understand the critical importance of effective functioning of the sales department of the company to achieve market success.
Hypothesis 2: Managers and owners of business enterprises of small and medium-sized most significant function of sales management consider the function of monitoring the activities of sales personnel.
Hypothesis 3: Managers and owners of small entrepreneurial companies and medium size often organize sales management functions on the basis of the existing market and examples of their experience.
Hypothesis 4: Managers and owners of business enterprises of small and medium-sized believe that one of the main goals of training sessions held in - getting sales staff about how he should conduct their work in the market." ​

Keywords: The entrepreneurial companies, the effectiveness of the sales department, the function of control, the function of sales management, training.

A method of expanding the bandwidth and improve the performance of the differential voltage divider – attenuator (AT), which have parasitic capacitance on the outputs C01, C02. Wide range of transmission of the AT provided by introducing a compensation circuit C01, C02, which is achieving data quality indicators. Simulation results of desired are shown.

Keywords: a resistive voltage divider, differential attenuator, the parasitic сapacitance load, speed, upper frequency limit, analog-to-digital converters.

The processes happening in system of power supply of the AVO electric drive of gas are considered. The analysis is carried out and the assessment of consumption of electric energy of AVO of gas is executed.

Keywords: compressor station, device of air cooling of gas, mathematical statistics

The monitoring system of process of stabilization of levels of metal on continuous moulding of preparations machine, constructed useing the observer of a condition is considered. The developed nonlinear observer allows to increase the accuracy of an assessment of levels of the melted metal in the ladle with steel ,industrial ladle and crystallizers, and also makes continuous diagnostics of a condition of glasses of latches. The analysis made on the basis of linearized model, showed the observability and controllability of system on all interval of pouring.

Keywords: Machine of continuous moulding preparations,the controllability, the observability, the observer of a condition, the level of metal

There is considered the problem of structuring indicators of the quality of information-computing systems, including transport. For each quality indicator is determined by the number of corresponding criteria. An algorithm for analysis of subscriber delays.

Keywords: quality, indicator of quality, quality criterion, computer information system of railway transport,subscriber delay

The original modified design of maple shutoff valves for the nuclear power plant, thermal power plant and the main pipeline transport is considered. The new design increases reliability of functioning of a maple latch by pressure self-regulation in a cavity over a maple lock.

Keywords: shutoff valves, main pipeline transport, modification, nuclear power plant, thermal power plant.

A system of purifying from dust for keramzit production and for another branches of industry was described. This system consists of apparatus with twisted flows.

Keywords: system, purifying from dust, keramzit

Intracellular microinjection - a method of direct introduction of cellular organelles and solutions of substances into living cells. The technique of microinjection into nerve cells by puncturing their processes - axons , which are often surrounded by a dense glial sheath, are described. To puncture the sheath a special injector transmitting microvibrations of ultrasonic frequency on the injection capillary was designed. The results of using the proposed microinjection technique for introducing fluorescent marker in large axons of model object - crayfish ventral nerve cord, to visualize the morphology of axons, were shown.

Keywords: intracellular microinjection, neuron, axon, glial sheath, ultrasound vibration, piezoelectric transducer

The authors suggest two approaches to constructing hypotheses about the interactions of proteins on the basis of the results of tracking the changes in their levels during the studied biological process. The first approach is based on the use of machine mining of biological texts, which are freely available on the Internet. The second is related to the execution of database queries on binary protein-protein interactions . To specify the experimental context in obtained protein networks, filtering of the protein entities on the basis of needed ontology from database Gene Ontology was used.

Keywords: text mining, data base, protein-protein interaction, protein networks

The article describes the experience of the unique complex of works to improve the operational reliability of the emergency office buildings located in a cramped building, whose main task was to eliminate excessive rolls with hydraulic jacks and ensure the continued trouble-free operation. Highlighted the key features of the design and technology solutions for the simultaneous lifting and leveling of several buildings with different design decisions.

Keywords: adjustable foundation, electro-hydraulic flat jacks, cramped building, lifting and leveling, operational reliability.

In this paper consideration is given to problem of developing a converter which will enable convert models of geodesic domes from external 3D format to preprocessor Patran format and structural analysis of this geodesic domes. A library of Framework and Visual Basic was used for building the converter.  

Keywords: geodesic dome, structural analysis, geometrical models, grammar, the converter, preprocessor/postprocessor

The research devoted to the kinematic mechanism for turning rope of ladle excavator, in the article considered the part of the trajectory of the work process: this process make the turning of the grip relatively to the arrow with the same time turning ladle relatively to the grip. The ladle turning is made because of additional kinematic connection between the ladle and grip and / jr the arrow and implementing internal forces due to the mutual position of the corresponding arrow and grip.

Keywords: the rope excavator, the ladle turning, kinematics, the analitical investigation

The dynamic problem  of an anisotropic poroelastic plane under an influence of point source in the steady-state oscillation mode is studied. An analytical solution of the problem as a single integrals over a finite interval is given. Numerical experiments on the construction of solutions are made and the results are compared with the known classical solutions.

Keywords: poroelasticity, vibrations, anisotropy

The article devoted to the development of a conceptual desing methodology applied to the working parts of the rope excavator. As notation for the  representation of models used the Unified Modeling Language (UML). Integration method diagram of target classes (DTC), the diagram of class equipment (DCE)and the diagram of functional target classes (DFTC) obtained the model system of management of the work equipment. A result of the conceptual constructing developed a basic invariant of the object architecture, implemented in innovative desing of the woring body.

Keywords: the target analysis, the conceptual construction, innovation, the working parts, the rope excavator