Zobrazeno 1 - 10
of 170
pro vyhledávání: '"Jiří Komárek"'
Publikováno v:
PLoS ONE, Vol 17, Iss 1, p e0261682 (2022)
Simple trichal types constitute a group of cyanobacteria with an abundance of novel, often cryptic taxa. Here, we investigated material collected from wet surface-soil in a saline environment in Petchaburi Province, central Thailand. A morphological
Externí odkaz:
https://doaj.org/article/cb5c9266bcc040e0ae82452fe1e62139
Autor:
Jiří Komárek, Vojtěch Klogner
Publikováno v:
Machines, Vol 10, Iss 5, p 309 (2022)
This paper deals with the modification of the mechanical system of the needle bar. The purpose of this work is to reduce the vibration and noise of the sewing machine for creating a decorative stitch. A special floating needle is used to sew this sti
Externí odkaz:
https://doaj.org/article/9fdd4316a5fb4e6b88d3961895a0231d
Publikováno v:
Advances in Oceanography and Limnology, Vol 8, Iss 1 (2017)
Investigations carried out on Lake Dojran, fYR Macedonia, during the spring-autumn seasons in 2015 have been focused on detecting the degree of eutrophication in the lake, successive algal flora changes in the plankton communities and eventual presen
Externí odkaz:
https://doaj.org/article/bb558bbaa4f145c9bf5e9f0d42e5bad1
Publikováno v:
ACC Journal, Vol 16, Iss 1, Pp 5-13 (2010)
Článek pojednává o analýze a optimalizaci mechanismu předávání jehly pomocí softwaru Pro/Engineer Wildfire 4 s cílem snížit hluk při vysokých otáčkách stroje. Je provedena optimalizace vybraných parametrů mechanismu s cílem zamez
Externí odkaz:
https://doaj.org/article/f55f5afd43074887bc728a54feaa3e1b
Autor:
Jan Valtera, Lucie Vysloužilová, Jiří Komárek, Josef Skřivánek, Petr Žabka, Jaroslav Beran, David Lukáš
Publikováno v:
Journal of Nanotechnology, Vol 2015 (2015)
The paper focuses on the influence of the protrusion of the rod electrode on critical voltage in the DC electrospinning process. On the testing and industrial DC electrospinning devices, electrodes of any kind are extended towards the counter electro
Externí odkaz:
https://doaj.org/article/411e1bdd57ba4bc3841094eefa77ebc9
Publikováno v:
PLoS ONE, Vol 8, Iss 6, p e66323 (2013)
Cyanobacteria are an ancient group of photosynthetic prokaryotes, which are significant in biogeochemical cycles. The most primitive among living cyanobacteria, Gloeobacter violaceus, shows a unique ancestral cell organization with a complete absence
Externí odkaz:
https://doaj.org/article/153a07ff96154d569909884c2917a33c
Autor:
Célia Leite Sant'Anna, Maria Teresa de Paiva Azevedo, Luis Henrique Zanini Branco, Jiří Komárek
Publikováno v:
Hoehnea, Vol 34, Iss 1, Pp 95-101
Brazilian aerophytic biotopes are almost completely unknown regarding to cyanobacterial flora. During the study of this special flora, three morphospecies of the genus Nostoc from different habitats in the State of São Paulo, Brazil, were found. Bas
Externí odkaz:
https://doaj.org/article/17b9afea59434b388b27f61a45256a69
Autor:
Jiří Komárek
Publikováno v:
Fottea. 23:141-148
Publikováno v:
Fottea. 20:171-191
Unicellular cyanobacteria constitute a substantial, ecologically important part of freshwater and marine microflora. Solitary, elongated cyanobacterial cells without apparent slime envelopes and dividing in a single plane perpendicular to the longitu
Autor:
Jiří Komárek
Publikováno v:
Fottea. 20:104-110
Motto: "I consider the human endeavour to discover new processes and regularities in nature, completed by requirement and satisfaction in logical arrangement of discovered facts into the objective and regular order, as a main stimulus of the noble ev