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The paper presents economic assessment of the regional reproduction processes that allows elaborating an optimum strategy of the state influence on social and economic processes in the agricultural sector.
Key words: economic assessment of regional reproduction processes, social and economic processes in agricultural sector, optimum strategy of state influence.
The paper analyses grain growing development problems in Azerbaijan in the period 1981–2009 and reveals its trends for the period 2001–2009. The author determines the development influential factors as well.
Key words: grain growing, food safety, grain production increase, factors of production.
The author examines modern condition of land and water use in the republic and outlines natural factors of soil salinization and erosion, as well as climatic conditions affecting agricultural production.
Key words: agriculture, soil salinization, soil erosion, air temperature, precipitations, frosts.
The paper provides an analysis of economic efficiency of farm production on private farms in Azerbaijan and reveals the difficulties faced by private farms while carrying out their marketing activity. The author offers some approved ideas on economic efficiency increase of the above-mentioned farms’ production.
Key words: economic efficiency, farm production, agrarian sphere, production profitability.
The paper outlines the modern situation in the Russian economy. The autor makes a specialemphasis on the agribusiness industry problems and suggests the ways of their solving
Key words: agribusiness economy, farm produce, material base of farm production, state support.
The paper considers resonance effects in economic functional systems (EFS). The author proves that in resonance conditions the economic functional system features minimum free energy, minimum entropy and optimum economic efficiency.
Key words: economic functional systems (EFS), resonance, entropy.
The paper presents the main components of ecological safety making a large impact on the population well-being and health, as well as the development of all branches of the national economy.
Key words: ecological risks, risk minimization, investment climate, transport infrastructure.
The author analyses some social and economic resources necessary for effective agrotourism development in the Lip-Khachmaz economic region.
Key words: economic region, farm production, agrotourism, social and economic development, natural conditions.
The paper is aimed at estimating the population welfare using the following system of indicators: total amount of material benefits and services consumed, including their separate kinds; a level of social consumption fund development, as well as social and industrial working conditions.
Key words: macroeconomic analysis, population welfare, gross domestic product.
The paper considers issues connected with design concepts for variable-rate application of fertilizers, namely: transforming rotary motion into reciprocating one and back; reducing angular speed (of a reduction gear); transferring motion to mobile links and through tight walls. The authors suggest a design of a machine for variable-rate precise application of solid mineral fertilizers of three kinds during one run across the field.
Key words: fertilizer application, position gauges, reduction gears.
The new paradigm of automatic control systems used in agriculture should consider the dynamics of systems behaviour, crisis management and transient process change rate.
Key words: automatic control systems, system effectiveness, «air top dressing-water application-air humidifying» system.
The author suggests considering a land improving machine as a dynamic system consisting of several subsystems including not only a drive of active working tools but also a power drive.
Key words: diesel engine, external load, drive dynamics, overall machine vibration, land improving machine operation precision.
The paper contains a description of the developed equipment and research technique that allow qualitative assessing livestock hoof by the wear resistance criteria.
Key words: tribological research, wear process, hoof horn, lubricants, bend resistance, biological research.
The paper presents a model and quantitative assessment of the influence of electrocontact welding thermomechanical cycle parametres on obtained durability of a joint between the welded and basic metals at the seizure stage.
Key words: electrocontact welding, metal seizure, joint durability, active centre density, seizure centre diameter.
The paper presents the results of experimental researches aimed at efficiency increasing of road-building and agricultural machinery repair using the methods of cutting with heating and subsequent surface-plastic deformation of the heated metal.
Key words: machine part restoration, cutting with heating, surface-plastic deformation of heated metal.
The author suggests a concept of distributive fuel injection pump elements repair providing the residual life use at the expense of obvious performance capacity.
Key words: fuel injection pump, pump elements, performance capacity, residual life.
The authors provide grounding for elaborating a vibration diagnostics method of car suspension damping properties with the goal of technical re-equipment of agriculture.
Key words: car utilization in agriculture, running smoothness, suspension, tool diagnostics methods.
The paper features an iterative method of choosing an optimum strategy of collecting and transporting of the machinery to be recycled that allows by repeated calculations finding the decision to obtain an average maximum income using a considerable number of steps. The result is fair for all process irrespective of step number. The authors offer examples of calculations using the considered technique.
Key words: iterative method, strategy, system condition, Markov chain, process ergodicity, transition matrix, recurrent method.
The paper considers estimating of unsteady operation periods in the process of recycled machinery collecting and transporting. The author offers a mathematical model that allows estimating the length of the given operation periods. Used as an example of the presented technique application are solving trajectories of the differential equations system that allowing defining the length of the unsteady periods of transport utilization.
Key words: unsteady periods of operation, system of differential equations, Cauchy problem, matrix, state probability, matrix determinant, matrix eigenvalue.
The paper considers the influence of oil and fuel pollution on engine operation, formation of toxic components in exhaust gases of piston-type engines, etc. the authors prove that increasing fuel and oil cleanliness can result in essentially reduced harmful influence of these products on the environment. The authors suggest using filters made from porous polymeric materials for clearing oil products of pollution and emulsion water.
Key words: oil product pollution, fuel and oil cleaning, filters made from porous polymeric materials.
The author states the requirements made for biofuels applied diesel engine operation, and presents the advantages of rape methylether. The paper also features the research results for hygroscopicity and propensity to hydrolysis of this product.
Key words: biofuel, rape methylether, biofuel physical and chemical indicators, hygroscopicity, propensity to hydrolysis.
The author makes some basic offers which should be considered in solving problems of further development of mobile means of agricultural machinery refueling in field conditions.
Key words: fuel-servicing truck, block-module, refueling module, filter-water separator.
The author describes the basic operating principle of electrostatic and electrolyte supercondensers and describes the application process of a supercondenser storage assembly in vehicle hybrid schemes.
Key words: electrolyte, condenser, activated carbon, metal foil, electrodes, electrostatic and electrolyte condensers.
The author presents a universal calculation model displaying kinematic and power indicators of a tyre and a wheel mover operating in traction and brake modes; specifies value ranges of slipping and wheel sliding factors; reveals distinctive features of traction and brake characteristics of a wheel mover and offers a combined traction-brake characteristic for theoretical and practical application.
Key words: wheel mover, tyre, slipping, sliding, traction characteristic, brake characteristic.
The paper considers some ecological and logistical issues as a single whole providing for effective economic and ecological partnership.
Key words: logistics, recycling, ecological logistics, delivery chains, environment, life activity, ecologically pure technologies.