Autor: Stejskal, T. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of erosion vulnerability of agricultural land in the catchment of Luh stream using the GIS tools
Autorzy:: Mašíček, T.
Kozlovsky Dufková, J.
Stejskal, B.
Powiązania:: https://bibliotekanauki.pl/articles/100917.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:: water erosion
erosion control
crop rotation
USLE
ArcGIS
LS-converter
USLE2D
Luh stream catchment
Opis:: Utilization of geographic information systems (GIS) for the erosion vulnerability analysis of agricultural land is shown on the example of Luh stream catchment, Czech Republic, district of Vysočina. Evaluation of soil erosion conditions according to the Universal soil loss equation (USLE) was done in ArcGIS 10 Desktop, software product of ArcInfo using a set of integrated software applications ArcMap, ArcCatalog and ArcToolbox user interface with LS-converter and USLE2D programs. The project of erosion control measures and evaluation of their effect on the erosion were parts of the analyses. Erosion control crop rotations with soil protective technologies, that change the value of cover-management factor, were used as erosion control measures.
Źródło:: Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/4; 1789-1810
1732-5587
Pojawia się w:: Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Quantitive and qualitative analysis of household waste - comparison of official data and results of case study
Autorzy:: Stejskal, B.
Mašíček, T.
Powiązania:: https://bibliotekanauki.pl/articles/101117.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:: household waste amount
household waste composition
waste management information system
waste analysis
Opis:: Statistical data of household waste management and relevant data found by one year long direct survey at five households were compared. While the composition of residual (mixed) household waste is determined by sieve analysis and manual aftersorting to predetermined groups (and the material composition of waste that passes through a sieve mesh of 8x8 mm openings is not detected by this analysis), during the direct survey in households all the household waste is sorted to predetermined groups. Official information systems report that average total amount of household waste is 301 kg per person and just less than 4 % of it is sorted to usable fractions. The direct survey shows that avarage total amount of household waste is just 164 kg per person and it is possible to sort 63 % of it.
Źródło:: Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/4; 1867-1877
1732-5587
Pojawia się w:: Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Elimination of thermal drift in measuring the positioning accuracy of a three axis milling machine
Autorzy:: Stejskal, T.
Dovica, M.
Demeč, P.
Svetlík, J.
Rajťuková, V.
Powiązania:: https://bibliotekanauki.pl/articles/102352.pdf
Data publikacji:: 2017
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: accuracy
laser interferometer
positioning
machine tool
Opis:: The aim of this paper is to draw attention to more reliable verification method of positioning accuracy. The improvement lies in mathematical elimination of thermal impact during the measurement process. This thermal impact, always present during the motion of movable parts, is of a special systemic character. It increases the indefiniteness of measurement of the classic measurement method. This measurement uncertainty can be reduced by implementing the procedure introduced in this paper. The reduction can be achieved by separating the temperature impact from other sources of inaccuracy. Such separation is a very new solution. The methodology relies on mathematical processing and does not depend on the manner of accuracy measurement. The evaluation method also yields diagnostic information on the machine’s condition. The experiments were performed with the use of laser interferometer.
Źródło:: Advances in Science and Technology. Research Journal; 2017, 11, 4; 159-167
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Impact of the technological conditions of plane surface machining on a triangular milling cutter on the residual hysteresis of the movement axis of the machine
Autorzy:: Stejskal, T.
Kráľ, J.
Rudy, V.
Melko, J.
Rjabušin, A.
Pavliková, L.
Powiązania:: https://bibliotekanauki.pl/articles/957896.pdf
Data publikacji:: 2017
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: machine tools
laser interferometer
hysteresis
Opis:: The paper deals with the possibilities of measuring the residual displacement or hysteresis on the lateral direction of the movement forces caused by the cutting forces of the machining. A special adjustment of laser interferometry assemblies was used for measurement. The measurement results indicate that the positioning accuracy in addition to the cutting forces also influences the position of the displaced moving substances and the temperature. The complex effect of these parameters is greatly dependent on the design of the machine.
Źródło:: Advances in Science and Technology. Research Journal; 2017, 11, 3; 240-245
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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