Zobrazeno 1 - 10
of 319
pro vyhledávání: '"Jiří, Dvořák"'
Publikováno v:
Journal of Forest Science, Vol 70, Iss 7, Pp 381-390 (2024)
In Czechia, harvesters contributed 43% of the total annual timber production in 2022. It is assumed that harvester technology will continue to be used intensively in the future, even though there is a change in the tree species composition of forests
Externí odkaz:
https://doaj.org/article/82328c30ec904501a1b4d23856743fbc
Publikováno v:
Academic Journal of Modern Philology, Vol 19, Pp 117-128 (2023)
The subject matter of the paper is motivation for second language learning under specific conditions of military service in the Czech Armed Forces. Motivation is the fundamental source of any human action, influencing goals and objectives, attitudes
Externí odkaz:
https://doaj.org/article/5b2f86c773f042618056832010d599a9
Autor:
Bogusława Berner, Jerzy Chojnacki, Jiří Dvořák, Aleksandra Pachuta, Jan Najser, Leon Kukiełka, Jan Kielar, Tomáš Najser, Marcel Mikeska
Publikováno v:
Agronomy, Vol 14, Iss 9, p 1894 (2024)
On a mounted laboratory stand, comparative tests were carried out on the effectiveness of spraying wheat plants with liquid using a multi-rotor drone. The study was undertaken with and without propeller rotations. The lack of rotations simulated spra
Externí odkaz:
https://doaj.org/article/10bc6911e51d4c19b19b88db8c1ac2de
Autor:
Ivana Stružinská, Nikola Hájková, Jan Hojný, Eva Krkavcová, Romana Michálková, Jiří Dvořák, Kristýna Němejcová, Radoslav Matěj, Jan Laco, Jana Drozenová, Pavel Fabian, Jitka Hausnerová, Gábor Méhes, Petr Škapa, Marián Švajdler, David Cibula, Filip Frühauf, Michaela Kendall Bártů, Pavel Dundr
Publikováno v:
Diagnostic Pathology, Vol 18, Iss 1, Pp 1-12 (2023)
Abstract Background Molecular aberrations occurring in primary ovarian clear cell carcinoma (OCCC) can be of diagnostic, predictive, and prognostic significance. However, a complex molecular study including genomic and transcriptomic analysis of larg
Externí odkaz:
https://doaj.org/article/62128b70bb834ff591af085588bad73c
Ergonomic forestry issues are extremely complex and multifaceted. The central questions in the ergonomics of forestry machines must also be applied in their development, design and construction processes. As such, it is essential to devote thorough a
Publikováno v:
Crystals, Vol 14, Iss 3, p 230 (2024)
This work investigates the creep behavior of severely deformed commercial aluminum. The commercial aluminum was processed by helical rolling (HR) and equal-channel angular pressing (ECAP) at room temperature. During these processes, the equivalent st
Externí odkaz:
https://doaj.org/article/9c6f951fb62649e48e42adf996c651f3
Autor:
Kateřina Pawlasová, Jiří Dvořák
Publikováno v:
Image Analysis and Stereology, Vol 41, Iss 2, Pp 57-109 (2022)
A spatial point pattern is a collection of points in space, representing, e.g. observed locations of trees, bird nests, centers of cells in a histological sample, etc. When several independent realizations of the underlying stochastic process are obs
Externí odkaz:
https://doaj.org/article/c8155e70f8124e12916f802856e1123d
Publikováno v:
Silva Fennica, Vol 57, Iss 1 (2023)
Our research aimed to quantify and evaluate the stress loading of drivers by monitoring the loading of the radial extensor muscle at the wrist joint (musculus extensor carpi radialis) when they drove different types of timber trucks. We monitored cha
Externí odkaz:
https://doaj.org/article/201990dd24af4aca958339a01397f0eb
Autor:
Aleksandra Pachuta, Bogusława Berner, Jerzy Chojnacki, Gerhard Moitzi, Jiří Dvořák, Anna Keutgen, Jan Najser, Jan Kielar, Tomáš Najser, Marcel Mikeska
Publikováno v:
Agriculture, Vol 13, Iss 8, p 1584 (2023)
The study aimed to assess the quality of spraying of ornamental conifer using a multi-rotor drone. We examined how the speed of drone movement and the propellers’ spin speed can affect the deposition quality of the sprayed liquid in the crown of bl
Externí odkaz:
https://doaj.org/article/9042f61dd1414ca2a02a51d35346bddc
Autor:
Mariusz Kormanek, Jiří Dvořák, Paweł Tylek, Martin Jankovský, Ondřej Nuhlíček, Łukasz Mateusiak
Publikováno v:
Forests, Vol 14, Iss 5, p 977 (2023)
The article presents the results of measurements regarding the impact of the MHT9002HV tracked harvester on surface deformations and changing the physical parameters of the soil of three operational trails. The measurements were made in the terrain w
Externí odkaz:
https://doaj.org/article/ef8ab3aaa8b3465fb74582a4ed748ddb