№ 79(5), May, 2012
Public date: 31.05.2012
Archive of journal: Articles count 63, 137 kb
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EFFECTIVE METHOD OF WOOD HISTOLOGICAL STRUCTURE DEFINITION
Description
In the article, the review of method of histological structure definition of different wood types is given. The particularity of softwood, hardwood diffuse-porous and ring-porous structure is discussed
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Description
The testing of jet pumps, installed on the recirculation line of circulation axial pumps are dealt with in this article. A number of experiments with nozzles of different diameter and installation sites have been conducted to increase the suction head of circulation pumps. The main conclusions have been done after testing
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EXPERIMENTAL RESEARCH OF HYDRODYNAMICS SOURCE CYLINDRICAL COLLECTORS OF HEAT EXCHANGERS
Description
In this article, we represented the scheme and parameters of a pilot model of a source cylindrical collector of the heat exchanger. Influence to a field of velocities on withdrawal from a collector of various nonuniformities of submission of a cost of the heat-carrier on an input of a collector, and influence of a hydraulic resistance on withdrawal from a collector on uniform of a stream of the heat-carrier is experimentally established
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IMPROVEMENT OF TRANSPORT SERVICE OF PROCESS OF EAR GRAIN HARVEST IN AGRICULTURAL CONCERNS
Description
The variants of fastening of harvest-transport groups to fields and their influence on the reduction of need in automobiles are observed in this article, on the example of two farms
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NEW METHOD OF TIMBER DEHYDRATION THROUGH CENTRIFUGAL MODE
Description
The article covers consideration of the process of timber dehydration through centrifugal mode, its comparison with thermic modes of drying and description of the patented design of device for timber dehydration through centrifugal mode
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SUBSTANTIATION OF THE CONSTRUCTIVE SCHEME OF THE ROTATIONAL GARDEN MOWER
Description
In the article, the questions of substantiation of a way of the maintenance of soil in gardens on hillsides, the constructive scheme of the rotational garden mower providing cutting of vegetation at different levels are considered
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OPTIMIZATION OF PARAMETERS AND OPERATING MODES OF THE ROTATIONAL GARDEN MOWER
Description
In the article, the results of optimization of key pa-rameters of a rotational garden mower by criterion of a minimum of power expenses for vegetation crushing in gardens are resulted
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Description
The article contents substantiation of the choice of physical method (a constant magnetic field and laser) for intensification of artificial drying of tobacco
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STORAGE ORGANIZATION OF CHRONOLOGICAL DATA IN DATABASES OF MONITORING AND FORECASTING SYSTEMS
Description
The article discusses various ways to store chronological data. The mathematical models were constructed for each method. As one of the solutions is the method of data of organization partitioning of a particular DBMS
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Description
Mathematical model of the slewing mechanism with additional damper is given in the article
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