590 research outputs found
Directions to improve economic efficiency of regional production
The paper provides theoretical grounding and the directions for improving the economic efficiency of the regional feedstuff production. The study develops a conceptual model of distributing management functions of feedstuff production between the regional authorities of state sectoral and economic management and the district level.
The authors suggest the methodology for calculating potential capacity of intraregional feedstuff market, considering the demands of all categories of agricultural manufacturers.
The study examines possibilities for implementing the strategy of diversified growth and development of the intraregional feedstuff market, including the terms of interaction between the large and micro-business inside the industry and cooperation of micro-business feedstuff manufacturers with agricultural production.
The authors have developed the methodology for assessing the efficiency of feedstuff production, based on the aggregate estimation of the management organization, conditions for the development of feedstuff production and changes in the feedstuff production and livestock breeding industry.peer-reviewe
A comparison of the characteristics of extreme drought during the late 20 th and early 21st centuries over Eurasia and North America
The atmospheric general circulation character during summer droughts over Eastern Europe / Western Russia and North America from 1970-2020 is examined here. A criterion to examine atmospheric drought events encompassed the summer season was used to determine which years were driest using precipitation, evaporation, and areal coverage. The relationship between drought and atmospheric character using the Dzerzeevsky climatic classification scheme, atmospheric blocking, teleconnections, and information entropy are used to study the atmospheric dynamic
ENERGY EFFICIENT STREET LIGHTING CONTROL SYSTEM
This paper presents the algorithm of the energy-efficient street lighting control system using artificial neural networks technology. To increase the energy efficiency reduction in the luminous flux of lighting systems during periods of low traffic intensity is proposed. According to the results of computer simulation of the algorithm, was achieved power savings of 23.48 % compared with traditional algorithms.Π ΡΠ°Π±ΠΎΡΠ΅ ΠΈΠ·Π»ΠΎΠΆΠ΅Π½ Π°Π»Π³ΠΎΡΠΈΡΠΌ ΡΠ°Π±ΠΎΡΡ ΡΠ½Π΅ΡΠ³ΠΎΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΡΠ»ΠΈΡΠ½ΡΠΌ ΠΎΡΠ²Π΅ΡΠ΅Π½ΠΈΠ΅ΠΌ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΉ ΠΈΡΠΊΡΡΡΡΠ²Π΅Π½Π½ΡΡ
Π½Π΅ΠΉΡΠΎΠ½Π½ΡΡ
ΡΠ΅ΡΠ΅ΠΉ. ΠΠ»Ρ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠ½Π΅ΡΠ³ΠΎΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΡΡΡ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ ΡΠ²Π΅ΡΠΎΠ²ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΠΊΠ° ΠΎΡΠ²Π΅ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΡΡΡΠ°Π½ΠΎΠ²ΠΎΠΊ Π² ΠΏΠ΅ΡΠΈΠΎΠ΄Ρ Ρ Π½ΠΈΠ·ΠΊΠΎΠΉ ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΡΡΡΡ Π΄ΠΎΡΠΎΠΆΠ½ΠΎΠ³ΠΎ Π΄Π²ΠΈΠΆΠ΅Π½ΠΈΡ. ΠΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°ΠΌ ΠΊΠΎΠΌΠΏΡΡΡΠ΅ΡΠ½ΠΎΠ³ΠΎ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ Π°Π»Π³ΠΎΡΠΈΡΠΌΠ°, ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡ ΡΠ»Π΅ΠΊΡΡΠΎΡΠ½Π΅ΡΠ³ΠΈΠΈ ΡΠΎΡΡΠ°Π²ΠΈΠ»Π° 23,48 % ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ Π°Π»Π³ΠΎΡΠΈΡΠΌΠ°ΠΌΠΈ
Development the control system of the power of microclimatic installations based on fuzzy logic
The paper presents one possible solution of development the control system of the power of microclimatic installations based on fuzzy logic.Π ΡΠ°Π±ΠΎΡΠ΅ ΠΈΠ·Π»ΠΎΠΆΠ΅Π½ΠΎ ΠΎΠ΄Π½ΠΎ ΠΈΠ· Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΡΡ
ΡΠ΅ΡΠ΅Π½ΠΈΠΉ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΠΈΡΡΠ΅ΠΌΡ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΌΠΎΡΠ½ΠΎΡΡΡΡ ΠΌΠΈΠΊΡΠΎΠΊΠ»ΠΈΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΡΡΠ°Π½ΠΎΠ²ΠΎΠΊ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π½Π΅ΡΠ΅ΡΠΊΠΎΠΉ Π»ΠΎΠ³ΠΈΠΊΠΈ
COMPARISION OF LOAD MODELS FOR LIGHTING NETWORKS CACULATION
Π ΡΠ°Π±ΠΎΡΠ΅ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΠΌΠΎΠ΄Π΅Π»ΠΈ Π½Π°Π³ΡΡΠ·ΠΎΠΊ ΠΏΡΠΈ ΡΠ°ΡΡΠ΅ΡΠ΅ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠ°ΡΡΠΈ ΠΎΡΠ²Π΅ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΠ΅ΡΠΈ. ΠΡΠΎΠΈΠ·Π²Π΅Π΄Π΅Π½ΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΎΡΠ²Π΅ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ Π½Π°Π³ΡΡΠ·ΠΊΠΈ Π² Π²ΠΈΠ΄Π΅ ΠΌΠΎΠ΄Π΅Π»ΠΈ ΠΏΠΎΡΡΠΎΡΠ½Π½ΠΎΠΉ ΠΌΠΎΡΠ½ΠΎΡΡΠΈ ΠΈ Π² Π²ΠΈΠ΄Π΅ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠ΅ΠΉ ΠΏΠΎΡΡΠ΅Π±Π»ΡΠ΅ΠΌΡΡ
ΠΌΠΎΡΠ½ΠΎΡΡΠ΅ΠΉ ΠΎΡ ΠΏΡΠΈΠ»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·Π°Π»ΠΈ, ΡΡΠΎ ΡΠ°ΡΡ
ΠΎΠΆΠ΄Π΅Π½ΠΈΠ΅ ΡΠ΅ΠΆΠΈΠΌΠ½ΡΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² Π΄Π²ΡΡ
ΠΌΠΎΠ΄Π΅Π»Π΅ΠΉ Π½Π°Π³ΡΡΠ·ΠΎΠΊ ΠΎΡΠ²Π΅ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΠ΅ΡΠΈ Π½Π΅ ΠΏΡΠ΅Π²ΡΡΠ°Π΅Ρ 2%.In the paper, load models are considered in calculating the electrical part of the lighting network. A comparison is made of the representation of the lighting load in the form of a constant power model and in the form of the dependence of the power consumption on the applied voltage. The results of the research showed that the discrepancy between the regime parameters of the two models of loads of the lighting network does not exceed 2%
Strength and fatigue properties enhancement in ultrafine-grained Ti produced by severe plastic deformation
Severe plastic deformation (SPD) of titanium creates an ultrafine-grained (UFG) microstructure which results in significantly enhanced mechanical properties, including increasing the high cycle fatigue strength. This work addresses the challenge of maintaining the high level of properties as SPD processing techniques are evolved from methods suitable for producing laboratory scale samples to methods suitable for commercial scale production of titanium semi-products. Various ways to optimize the strength and fatigue endurance limit in long-length Grade 4 titanium rod processed by equal channel angular pressing (ECAP) with subsequent thermal mechanical treatments are considered in this paper. Low-temperature annealing of rods is found to increase the fatigue limit, simultaneously enhancing UFG titanium strength and ductility. The UFG structure in titanium provides an optimum combination of properties when its microstructure includes mostly equiaxed grains with high-angle boundaries, the volume fraction of which is no less than 50%
Tensor Ayy and vector Ay analyzing powers in the H(d,d')X and ^{12}C(d,d')X reactons at initial deuteron momenta of 9 GeV/c in the region of baryonic resonances excitation
The angular dependence of the tensor Ayy and vector Ay analyzing powers in
the inelastic scattering of deuterons with a momentum of 9.0 GeV/c on hydrogen
and carbon have been measured. The range of measurements corresponds to the
baryonic resonance excitation with masses 2.2--2.6 GeV/c^2. The Ayy data being
in good agreement with the previous results demonstrate an approximate
scaling up to -1.5 (GeV/c)^2. The large values of A_y show a significant role
of the spin-dependent part of the elementary amplitude of the NN->NN* reaction.
The results of the experiment are compared with model predictions of the
plane-wave impulse approximation.Comment: 7 pages, 7 figures. submitted to Yad.Fi
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