The article considers the main approaches to the organization of ecological management and environmental safety at industrial enterprises in Russia, highlights the key problems and trends of environmental management in industry, factors and conditions for ensuring environmental safety in the production sector. Based on a comprehensive analysis of scientific literature and activities to ensure the implementation of ecological management of large industrial enterprises in the country, the main directions and problems of practical implementation of environmental management, as well as the design and operation of environmental safety systems in the industrial sector are identified: insufficient experience in developing and implementing an environmental strategy; fragmented use of elements and methods of environmental management; lack of methodological support for effective integration of the environmental management system into the management system of industrial enterprises; problems of corporate governance and others.

Keywords: ecological management, ecological safety, ecological management, environmental safety management system, industrial enterprise management

The article deals with the comparative analysis of traditional and new types of lighting systems in multistory public and industrial buildings. The analysis is being conducted with use of some specific objective and subjected criteria. These include a number of design characteristics of the systems in question – from an overall cost of the installation to the psychological contact with the outdoor environment. It is noted, that the main characteristic of a human activity is productivity and this depends upon the working conductions, which are evaluated on the basis of subjective appraisal. The best solution of the system of natural lighting, according to the number of criteria considered, which matches the above requirements is the system of lighting wells, combined with the windows.

Keywords: the system of roof natural lighting, objective and subjective appraisal, comfort of indoor environment, evaluation criteria, public and industrial buildings

The structural properties of cobalt catalysts and their active component are studied. The influence of metal oxides on the specific surface area, pore volume and size, the average crystallite size and the active surface area of the catalyst Co-Al2O3/SiO2 was studied.

Keywords: Fischer-Tropsch synthesis, synthetic hydrocarbons, catalyst, cobalt, promoter, carrier, specific surface, porous structure, catalytic activity, degree of reduction, active surface area

The physical and chemical properties of cobalt catalysts promoted by manganese oxides for the synthesis of hydrocarbons by the Fischer-Tropsch method are studied. The influence of polymorphic modifications of the alumina carrier on the specific surface area, pore volume, degree of reduction, size of cobalt crystallites,catalytic activity, dispersion degree of catalyst reduction is considered.

Keywords: Synthesis of Fischer-Tropsch, synthetic hydrocarbons, the cobalt catalyst, promoter MnO2, the carrier of Al2O3, specific surface area, the degree of recovery of the catalytic activity, dispersion, and the crystallites of cobalt

The parameters of the porous structure and the active surface of cobalt catalysts for Fischer-Tropsch synthesis (SFT) prepared by the impregnation method have been studied. Characteristics of composition and porous structure were studied using elemental analysis and the Brunauer-Emmett-Taylor method (BET). The effect of the addition of oxide promoters on the specific surface area, pore volume and pore size of the Co / SiO2 catalyst has been studied.

Keywords: Fischer-Tropsch synthesis, heterogeneous catalyst, promoter, carrier, specific surface area, porous structure, selectivity, activity, dipping method

The parameters of the porous structure and the outer surface of cobalt catalysts for the synthesis of Fischer-Tropsch, promoted by magnesium, prepared by the impregnation method according to moisture capacity, were studied. The effect of polymorphic modification (γ, θ, α) of the carrier on the physicochemical properties of the catalyst Co-Mg / Al2O3 was studied.

Keywords: Fischer-Tropsch synthesis, polymorphic modifications of Al2O3, synthetic motor fuel, catalyst, carrier, elemental analysis, BET method, specific surface, porous structure

The statistical characteristics and results of the FIPS 140-2 tests of a new class of pseudo-random signal generators based on modified Lorentz, Chua and Dmitriev-Kislov systems over the finite Galois field are considered. The estimates of the sidelobe levels of the correlation functions of the signals, as well as histograms of the probability distributions of the generated numbers, are obtained. Evaluations of compliance with the requirements of the FIPS 140-2 test of binary sequences generated on the basis of systems under variation of their parameters are obtained. The results of the work can be used in the construction of communication systems with broadband signals, simulation and cryptography.

Keywords: dynamic chaos, radioelectronic dynamic systems, statistical properties

Three batches of Co-MxOy / SiO2 catalysts were prepared with different methods of introducing an oxide additive. Physicochemical studies of catalysts by elemental analysis and Brunauer-Emmett-Taylor (BET) methods have been carried out. The effect of additives of oxide promoters and the method of their introduction on the specific surface, volume and pore sizes for Fischer-Tropsch synthesis catalysts were studied.

Keywords: Fischer-Tropsch synthesis, carbon-containing resources, catalyst, active component, silicate carrier, Al2O3 and ZrO2 promoters, elemental analysis, BET method, surface area, volume and pore size

Using the methods of thermo-programmed reduction (TPV) and thermo-programmed hydrogen desorption (TPD H2), physico-chemical studies of Co-MxOy / SiO2 catalysts obtained by various methods of introducing a promoter additive were carried out. The effect of the introduction method and the nature of the promoting oxide additive on the properties of the active component of the Fischer-Tropsch synthesis catalysts was studied.

Keywords: Fischer-Tropsch synthesis, catalyst, active component, silicate carrier, Al2O3 and ZrO2 promoters, TPV and TPD H2 methods, crystallite size, degree of reduction, dispersity

By designing temples there is a question about the individuality of projects. When we speak about massive building of religious buildings, the development of new projects of temples is unprofitable in terms of saving time and money. It is proposed to use a modular system by temples’ designing. This system involves the creation of one temple project with variable architectural elements. From an economic point of view, the modular system is the optimal solution for the construction of temples.

Keywords: temple architecture, modular system, space-planning solutions, architectural elements of the temple, religious buildings

The physical and chemical properties of cobalt catalysts for Fischer-Tropsch synthesis have been studied. The effect of copper and iron oxides on the specific surface, pore volume and dimensions, and the degree of reduction of metallic cobalt on the surface of the Co-Al2O3 / SiO2 catalyst have been studied.

Keywords: Fischer-Tropsch synthesis, synthetic hydrocarbons, catalyst, cobalt, promoter, carrier, specific surface, porous structure, catalytic activity, reduction degree

The dispersion parameters of the active component of cobalt catalysts promoted by nickel for Fischer-Tropsch synthesis by the temperature-programmed hydrogen desorption method (TPD H2) were studied. The influence of the polymorph (γ, θ, α) of the support on the physicochemical properties of the Co-Ni / Al2O3 catalyst was studied.

Keywords: Fischer-Tropsch synthesis, biomass, catalyst, support, Ni promoter, polymorphic Al2O3 modifications, TPD H2 method, active surface, dispersity, cobalt crystallites

The parameters of the porous structure and the outer surface of cobalt catalysts for the Fischer-Tropsch synthesis prepared by the water-impregnation method were studied. The effect of the polymorphous modification of the support on the physico-chemical properties of the Co / Al2O3 catalyst was studied.

Keywords: Fischer-Tropsch synthesis, synthetic motor fuel, catalyst, carrier, promoter, polymorphic Al2O3 modifications, elemental analysis, specific surface, porous structure

The parameters of the porous structure and the active surface of cobalt catalysts for the synthesis of liquid and solid hydrocarbons (Fischer-Tropsch synthesis) prepared by the method of impregnating a silicate carrier were studied. The effect of additives of oxide promoters on the specific surface, the volume and size of pores, the dispersion and size of crystallites of metallic cobalt on the surface of the Co / SiO2 catalyst was studied.

Keywords: Fischer-Tropsch synthesis, motor fuel, synthetic hydrocarbons, catalyst, promoter, carrier, specific surface, porous structure, catalytic activity, selectivity

An experimental study of two instances of low-noise amplifiers of the range 1.5-2.0 GHz is carried out. The following results were obtained: the amplification gain varies from 24 to 37 dB in the frequency range; the maximum output power was not less than 10 mW (10 dBm); the compression point of 1 dB is achieved with an input power of minus 16 dBm. To illustrate the measurement results, two amplitude-frequency characteristics and an amplitude characteristic of the second specimen are given. The main element of the studied amplifier is a chip of the type MAAL-007304.

Keywords: Microwave power amplifier, decimeter waves, amplitude-frequency characteristic, experiment, microcircuit