The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Analysis of sawmill waste charring process in the steel retorts. There is described the process of sawmill waste charring in the steel retorts that belong to the contractor operating in Forest Inspectorate Kozienice. The process consists of nine stages and lasts over 76 hours, including 14 h (19%) of the effective charring, 47 h (62%) of cooling the retorts, and the remaining 15 h for cleaning, loading...
Analysis of the effects of farm fi tting out with the installation for horticultural crops irrigation. The effects of fitting out the horticultural farm with irrigation installation are presented. The scope of work covered the labour inputs and exploitation costs. The total production profit analyzed in 2012, resulted from irrigation system implementation, amounted to about 30 000 PLN, when compared...
Utilization of ABC/XYZ analysis in stock planning in the enterprise. Utilization of ABC and XYZ analysis in the process of product stock management in trade enterprise is presented. Basing on the product list and information connected with the sale level, the goods were grouped into categories and priority levels in the decision problem solving were pointed out in order to achieve better financial...
The peculiarities of heavy metals accumulation by wild medicinal and fruit plants. The article shows the results of studies of heavy metals accumulation by wild medicinal and fruit plants. Special attention is given to the investigation of roadside phytocenoses. Reliable differences in chemical composition of plants from background and transformed habitats are revealed. The influence of morphological...
Soil considerations in cultivation of plants. There are analyzed the results of investigations on the effect of tractor outfit traffic over the field on the plant growth conditions. Changes in soil compaction, density and porosity influenced by compacting by wheels are presented in relations to optimal values. The effect of excessive soil compaction on development of root system and absorption of...
Computer-aiding of mathematical modeling of the carrot (Daucus carota L.) root shape. The developed method refers to computer aided mathematical modeling of the carrot root. The Bézier curves were used in mathematical model for description of the carrot root shape. Two smoothly connected Bézier curves described half of longitudinal contour of carrot root cross section. After rotation of these curves,...
Effect of chain saw pitch on vibration level on the internal combustion chain saw handles during cross cutting of wood. Results of investigations on the efect of chain saw pitch on the vibration level recorded on the internal combustion chain saw handles are presented. The investigations can contribute to learning of factors that intensify vibrations existing during cross cutting of wood with the...
Effect of sawmen’ professional experience on working time structure in pine-timber harvesting under conditions of the clear felling. Times of particular operations in timber harvesting with the use of an internal combustion chain saw were analyzed depending on professional experience of the fellers. Investigations were carried out on the two groups of sawmen: of many years’ experience and the beginners...
Effect of visible light on the process of accelerated oxidation of dye contained in red paprika powder. The effect of temperature and visible light intensity on changes in ground paprika colour was investigated. In determination of changes in colour parameters there were used the colour space L*. a*, b*, the total colour change TCD and sample whiteness index WI. Investigations were carried out at...
Obtaining of metallic nanoparticles by plasma-erosion electrical discharges in liquid mediums for biological application. The process of electrical discharge in the water of the plasma discharge channel was investigated and its diagnostics was performed. The specific features of the energy redistribution were shown, together with the physical model of the dispersed phase. The biological functionality...
Prospects of economical use of Vaccinium vitis-idaea leaves in Kirov region. Significant variability of spatial resource inner-habitat parameters defines the necessity of data collection and field research in various geographical conditions in different administrative districts. Such a holistic method applied to cowberry (Vaccinium vitis-idaea) allows to work out complex measures for stable use of...
Automated control systems for technical processes in dairy farming. Monitored parameters, evaluated data and formed control and operating commands for technical processes of individual animal service are presented. Perspective directions for the development of automated control systems for technical processes of machinery milking, feeding, livestock and maintenance in dairy farming based on precision...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.