National Repository of Grey Literature 114 records found  beginprevious103 - 112next  jump to record: Search took 0.01 seconds. 
Reconstructing phylogeny from patchy data of rodents
Martínková, Natália ; Moravec, J.
To reveal phylogeny of sparsely sequenced taxa, standard methods could not be successfully used due to patchy character of data and new methods had to be developed. We summarize such methods and present their funcionality on phylogeny of Arvicolini voles. Analyzing tree space with terraces, we have found that supermatrix approach is superior to supertree approach in extracting signal from data and determining a resolved and well-supported phylogeny. The most widely used program from Bayesian phylogeny inference fails to determine the correct lengths of branches in a large supermatrix with a lot of missing data, it still successfully determines the true tree topology.
Transformation BORM - Petri net with supervision
Moravec, J. ; Papík, Martin
For effective functioning of business processes need to processes be well documented and optimized. There are many ways to describe processes. Simple but effective approach appears to be the methodology BORM, which is implemented in the tool CraftCase. Unfortunately, this tool don’t offer such a comprehensive process simulation capabilities, which are often needed. Ways to eliminate this shortcoming is using Petri nets for process simulation. First, we need capture the process with BORM methodology and then we transform it to the Petri net. This post deals with transformation rules, restrictions of BORM and Petri nets and finally we show how to construct supervisor of Petri nets.
Modelling of parametric systems with non-linear couplings
Moravec, J. ; Kotek, Vladimír ; Krejsa, Jiří
In the article are presented results of dynamic analysis of one mass model. This model is nonlinear coupled. The behaviour of the model is investigated for intervals of excitation and coupling conditions
Desing and modification of water-stabilized plasma generator and multiphase modelling of flow in the arc chamber
Hrabovský, Milan ; Matas, R. ; Moravec, J.
Two-phase water-air flow in arc chamber of water stabilized plasma generator is modeled using computer code FLUENT. Effect of arc chamber geometry on properties and stability of water vortex is investigated on the basis of the computations.

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