Search Results - "Tuma, Jiri"

Vehicle Gearbox Noise and Vibration: Measurement, Signal Analysis, Signal Processing and Noise Reduction Measures by Tuma, Jiri

“…Advances in methods of gear design and the possibility of predicting the sound pressure level and life time of gearboxes and perfect instrumentation of test…”
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Ant‐termite interactions: an important but under‐explored ecological linkage by Tuma, Jiri, Eggleton, Paul, Fayle, Tom M.

“…ABSTRACT Animal interactions play an important role in understanding ecological processes. The nature and intensity of these interactions can shape the impacts…”
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Chiral recognition without π−π-interactions: Highly efficient chiral strong cation exchangers lacking an aromatic unit in the molecular structure by Labíková, Magdaléna, Svoboda, Jiří, Tůma, Jiří, Lindner, Wolfgang, Kohout, Michal

“…•π−π-Interactions are not strictly required for chiral resolution.•Cyclohexane-based chiral strong cation exchangers show high enantioselectivity.•Relative…”
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Development of capacitive sensors for measuring vibrations and small displacements of a high-speed rotating machines for use in active vibration control systems by Pawlenka, Tomáš, Škuta, Jaromír, Tůma, Jiří, Juránek, Martin

“…This work focuses on the development of custom capacitive sensors for measuring vibration and small displacements of high-speed rotating machines. The main…”
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Chiral zwitterionic stationary phases based on Cinchona alkaloids and dipeptides – design, synthesis and application in chiral separation by Kuncová, Anežka, Svoboda, Jiří, Tůma, Jiří, Asnin, Leonid, Schug, Kevin, Kohout, Michal

“…•Cinchona alkaloids fused with dipeptides are new motif in chiral stationary phases.•Chiral stationary phases retain chiral recognition ability of Cinchona…”
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Feeding habits and multifunctional classification of soil‐associated consumers from protists to vertebrates by Potapov, Anton M., Beaulieu, Frédéric, Birkhofer, Klaus, Bluhm, Sarah L., Degtyarev, Maxim I., Devetter, Miloslav, Goncharov, Anton A., Gongalsky, Konstantin B., Klarner, Bernhard, Korobushkin, Daniil I., Liebke, Dana F., Maraun, Mark, Mc Donnell, Rory J., Pollierer, Melanie M., Schaefer, Ina, Shrubovych, Julia, Semenyuk, Irina I., Sendra, Alberto, Tuma, Jiri, Tůmová, Michala, Vassilieva, Anna B., Chen, Ting‐Wen, Geisen, Stefan, Schmidt, Olaf, Tiunov, Alexei V., Scheu, Stefan

“…ABSTRACT Soil organisms drive major ecosystem functions by mineralising carbon and releasing nutrients during decomposition processes, which supports plant…”
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Physiological and biochemical responses of Brassica napus L. cultivars exposed to Cd stress by Komárková, Martina, Kovalíková, Zuzana, Šimek, Jiří, Skarka, Adam, Tůma, Jiří

“…Four different rapeseed (Brassica napus L.) cultivars CZL, Benefit, Iwas and ZhongZhuang9, were used to analyse physiological responses to higher doses of…”
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Effects of Cd and Zn on physiological and anatomical properties of hydroponically grown Brassica napus plants by Benáková, Martina, Ahmadi, Hassan, Dučaiová, Zuzana, Tylová, Edita, Clemens, Stephan, Tůma, Jiří

“…Clarifying the connection between metal exposure and anatomical changes represents an important challenge for a better understanding of plant phytoextraction…”
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Chiral zwitterionic stationary phases based on Cinchona alkaloids and dipeptides: Application in chiral separation of dipeptides under reversed phase conditions by Asnin, Leonid D., Ziganshina, Daria I., Klimova, Yana A., Reshetova, Elena N., Tůma, Jiří, Kohout, Michal

“…• Chiral zwitterion-ion exchangers are used to resolve various dipeptides.• Chiral resolution of dipeptides under buffer free reversed-phase conditions is…”
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Combining Segmentation and Edge Detection for Efficient Ore Grain Detection in an Electromagnetic Mill Classification System by Budzan, Sebastian, Buchczik, Dariusz, Pawełczyk, Marek, Tůma, Jiří

“…This paper presents a machine vision method for detection and classification of copper ore grains. We proposed a new method that combines both seeded regions…”
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Effect of different immobilization strategies on chiral recognition properties of Cinchona‐based anion exchangers by Kohout, Michal, Wernisch, Stefanie, Tůma, Jiří, Hettegger, Hubert, Pícha, Jan, Lindner, Wolfgang

“…In the enantiomeric separation of highly polar compounds, a traditionally challenging task for high‐performance liquid chromatography, ion‐exchange chiral…”
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Influence of salicylic acid pretreatment on seeds germination and some defence mechanisms of Zea mays plants under copper stress by Moravcová, Šárka, Tůma, Jiří, Dučaiová, Zuzana Kovalíková, Waligórski, Piotr, Kula, Monika, Saja, Diana, Słomka, Aneta, Bąba, Wojciech, Libik-Konieczny, Marta

“…The study was focused on the influence of salicylic acid (SA) on maize seeds germination and on some physiological and biochemical processes in maize plants…”
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Changes in Content of Polyphenols and Ascorbic Acid in Leaves of White Cabbage after Pest Infestation by Kovalikova, Zuzana, Kubes, Jan, Skalicky, Milan, Kuchtickova, Nikola, Maskova, Lucie, Tuma, Jiri, Vachova, Pavla, Hejnak, Vaclav

“…Crops, such as white cabbage ( L. var. (L.) f. ), are often infested by herbivorous insects that consume the leaves directly or lay eggs with subsequent injury…”
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Substituted pyrazinecarboxamides as abiotic elicitors of flavolignan production in Silybum marianum (L.) gaertn cultures in vitro by Tůmová, Lenka, Tůma, Jirí, Megusar, Klara, Dolezal, Martin

“…Substituted pyrazinecarboxamides markedly influenced production of flavonolignans in Silybum marianum callus and suspension cultures. In this study the effect…”
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Active vibrations control of journal bearings with the use of piezoactuators by Tůma, Jiří, Šimek, Jiří, Škuta, Jaromír, Los, Jaroslav

“…Rotor instability is one of the most serious problems of high-speed rotors supported by sliding bearings. With constantly increasing parameters, new machines…”
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Bent-core liquid crystals based on 6-substituted 3-hydroxybenzoic acid: the role of substitution and linkage group orientation on mesomorphic properties by Tůma, Jiří, Kohout, Michal, Svoboda, Jiří, Novotná, Vladimíra, Pociecha, Damian

“…We have prepared and studied new series of bent-core liquid crystals based on laterally substituted 3-hydroxybenzoic acid. The physical properties of the…”
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Synthesis, identification, chiral separation and crystal structure of (3R,4R,7S,8S)-3,4,7,8-tetrachlorodecane and its stereoisomers by Valderhaug, Solveig, Paškanová, Natalie, Tůma, Jiří, Herciková, Jana, Eigner, Václav, Liu, Huiling, Gorovoy, Alexey, Johansen, Jon Eigill, Gautun, Odd Reidar

“…Chlorinated paraffins (CPs) are a notoriously known class of compounds that stand amongst the most wide-spread persistent organic pollutants. Therefore, their…”
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Bent-shaped liquid crystals based on 4-substituted 3-hydroxybenzoic acid central core by Kohout, Michal, Kozmík, Václav, Slabochová, Markéta, Tůma, Jiří, Svoboda, Jiří, Novotná, Vladimíra, Pociecha, Damian

“…Hereby, we present synthesis and mesomorphic properties of bent-shaped liquid crystals with 3-hydroxybenzoic acid central core. The mesomorphic properties were…”
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Effect of Selected Pyrazine Derivatives on the Production of Phenolics and Rutin in Urtica dioica and Fagopyrum esculentum by Moravcová, Sárka, Fiedlerová, Vendula, Tůma, Jirí, Musil, Karel, Tůmová, Lenka

“…The effect of four pyrazine derivatives on the content of phenolic compounds in Urtica dioica L. and rutin in Fagopyrum esculentum Moench was studied. Pyrazine…”
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Videofluoroscopic Swallow Study in Diagnostics of H-Type Tracheoesophageal Fistula in Children by Urík, Milan, Tuma, Jiří, Jančíková, Jana, Bezděková, Denisa, Urbanová, Petra, Dohnalová, Lucie, Papež, Jan, Jimramovský, Tomáš, Jouza, Martin, Jabandžiev, Petr

“…Esophageal atresia remains one of the most challenging congenital anomalies of the newborn. It can occur with or without tracheoesophageal fistula (TEF), and…”
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