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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Design of economic diameter of steam pipeline
 Olexa, Michal ; Kilkovský, Bohuslav (referee) ; Jegla, Zdeněk (advisor)
This bachelor thesis focuses on the derivation and practical application of the relationship for calculating the economically optimal steam pipe diameter for saturated and superheated steam. The first part of the work describes the theoretical information and principles necessary to derive the calculation relationship for the calculation of the economically optimal steam pipeline. In the second part, an assembled calculation tool in Excel is presented, created for a clear and practical design and assessment of steam pipe diameters. In the final part of the thesis, the computational tool is applied to a specific industrial case. The goal of the work is to facilitate the work of designers and constructors, and thereby contribute to saving costs for the implementation of projects.
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Plevele v máku setém a možnosti jejich regulace
 Olexa, Michal
ABSTRACT The aim of my final bachelor thesis on the basis of a literary overview, was to find out what are the most important types of weeds in vegetation of opium poppy and how to interfere them effectively. There are two type of options, a chemical (by using herbicides) or a mechanical. Mechanical regulation is not feasible either with normally intermedia distance because most of agronoms use chemical way to defence weeds in vegetation of opium poppy. Chemical treatment can be done premergently or post-emergence. Herbicides registered directly for use in poppy are not, because the poppy is not a very important crop. However, herbicides originally intended, for example, for use in maize have been identified. Important is when the app is used. It´s good to start with regulation of weeds when they start to growth. In the vegetation of opium poppy is a big space for a lot of species of weeds.
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See also: similar author names
1 Olexa, Martin
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