Autor: Čermák, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Solving the Box-Pushing Problem by Master-Slave Robots Cooperation
Autorzy:: Nemrava, M.
Čermák, P.
Powiązania:: https://bibliotekanauki.pl/articles/384237.pdf
Data publikacji:: 2008
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: mobile robot
robotics
Box-pushing
pushing
experiment Khepera
Opis:: This paper presents a design of the solution box-pushing problem by two robots working in the master-slave style cooperation. The configuration of the solution consists of two robots Khepera (the Master and the Slave) with similar implemented functions. The proposed methods and algorithms are experimented
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2008, 2, 3; 32-37
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Transition from Mixed-Valence to Trivalent Cerium State in Ce(Ni,Cu)Al Series
Autorzy:: Čermák, P.
Javorský, P.
Šantavá, E.
Powiązania:: https://bibliotekanauki.pl/articles/1534620.pdf
Data publikacji:: 2010-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.40.Cx
75.30.Mb
Opis:: In this work we present the study of the part of Ce(Ni,Cu)Al series from the pure CeNiAl to 30% of copper concentration, which illustrates the transition from mixed-valence state of CeNiAl to the trivalent state in CeCuAl. The work is based on X-ray diffraction, magnetization and specific heat measurement. The results indicate smooth transition between the mixed-valence and trivalent cerium state. The specific-heat data reveal increase of the Sommerfeld γ coefficient with copper concentration.
Źródło:: Acta Physica Polonica A; 2010, 118, 5; 926-928
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Growth responses of Picea abies to climate in the central part of the Ceskomoravska Upland (Czech Republic)
Autorzy:: Rybnicek, M.
Cermak, P.
Zid, T.
Kolar, T.
Powiązania:: https://bibliotekanauki.pl/articles/41537.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: growth response
Picea abies
Norway spruce
precipitation
temperature
climate
environmental factor
tree ring
biomass
Ceskomoravska Upland
Czech Republic
Opis:: The aims of the study were to determine the effect of temperatures and precipitation on the ring width and to compare the results with the results of previous studies conducted in other mountain ranges of the Czech Republic. The research was performed in the central part of the Ceskomoravská Upland in the vicinity of Herálec municipality in selected 70- up to 110-year-old spruce stands at altitudes from 680ma.s.l. to 779 m a.s.l. Measuring of tree-ring widths and synchronization of individual ring series were conducted in PAST4. The age trend was removed by ARSTAN and climatic effects were modelled in DendroClim2002. The correlation of tree-ring width with monthly precipitation is positive and statistically significant for July of the previous year and for the entire summer period from June to September of the current year. The correlation of tree-ring width with mean monthly temperatures is negative and statistically significant for July and September and positive and statistically significant for October of the previous year. Negative correlation was also found for temperatures of the entire summer period from June to September of the previous year. The regional tree-ring chronology mainly shows two periods of highly reduced increment: from 1992 to 1996 and from 2003 to the end of the analysed period. The results thus confirm the hypothesis that the tree-ring width is in positive correlation with summer precipitation and negative correlation with summer temperatures. Also the results of the habitual diagnostics have shown a relatively low degree of crown transformation which indicates a weak or short-term stress load.
Źródło:: Dendrobiology; 2012, 68
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Oak (Quercus spp.) response to climate differs more among sites than among species in central Czech Republic
Autorzy:: Rybnicek, M.
Cermak, P.
Prokop, O.
Zid, T.
Trnka, M.
Kolar, T.
Powiązania:: https://bibliotekanauki.pl/articles/41078.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:: oak
Quercus
plant response
climatic parameter
precipitation
temperature
tree ring
Czech Republic
Opis:: Climatic parameters are the main environmental factors affecting tree growth. The main aim of the presented study was to determine whether different oak species growing under contrasting environmental conditions show different sensitivity to climatic parameters. Four oak stands with Quercus robur, Quercus petraea, Quercus polycarpa and Quercus dalechampii growing in the same area were evaluated. Standard dendrochronological methods were used for sample preparation, ring width measurements, cross-dating, chronology development, and the assessment of growth-climate response patterns. Although the species grew under different environmental conditions, their local tree-ring chronologies are highly correlated. The radial growth responses to climatic parameters differ slightly, but the response depends more on local site conditions than on the oak species. At the same time, the strongest correlations between radial growth and climatic parameters were identical among species and sites. The amount of water available in the soil was the main climate-dependent factor limiting radial growth. Approximately since the 1990s, the distribution of rainfalls within the growing season has changed at the expense of spring precipitation. The significance of relative soil moisture content during spring for oak growth increased and the significance of summer values decreased.
Źródło:: Dendrobiology; 2016, 75
1641-1307
Pojawia się w:: Dendrobiology
Dostawca treści:: Biblioteka Nauki

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