Search Results - "Laufek, František"

Carbon-supported PdM (M = Au and Sn) nanocatalysts for the electrooxidation of ethanol in high pH media by He, Qinggang, Chen, Wei, Mukerjee, Sanjeev, Chen, Shaowei, Laufek, František

“…Carbon-supported Pd 4Au- and Pd 2.5Sn-alloyed nanoparticles were prepared by a chemical reduction method, and characterized by a wide array of experimental…”
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Mineralogical, Geochemical and Geotechnical Study of BCV 2017 Bentonite—The Initial State and the State following Thermal Treatment at 200 °C by František Laufek, Irena Hanusová, Jiří Svoboda, Radek Vašíček, Jan Najser, Magdaléna Koubová, Michal Čurda, František Pticen, Lenka Vaculíková, Haiquan Sun, David Mašín

“…Bentonites are considered to be the most suitable materials for the multibarrier system of high-level radioactive waste repositories. Since BCV bentonite has…”
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Bioprecipitation of As4S4 polymorphs in an abandoned mine adit by Falteisek, Lukáš, Drahota, Petr, Culka, Adam, Laufek, František, Trubač, Jakub

“…Opportunities to study the anthropogenic cementation zones within permanently flooded mine works, where toxic elements accumulate by processes not fully…”
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First evidence of Pinaceae and Fagaceae in the fossil wood record of the České středohoří Mts. (Czech Republic): A comprehensive study of fossiliferous sites in pyroclastic rocks surrounding the late Oligocene Milá stratovolcano by Koutecký, Vít, Mysliveček, Jakub, Rapprich, Vladislav, Laufek, František, Benkó, Zsolt, Sakala, Jakub

“…A comprehensive anatomical and mineralogical study of fossil wood fragments from fields in the vicinity of Bečov and Břvany villages (NW Bohemia, Czech…”
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Structure and Properties of Alloys Obtained by Aluminothermic Reduction of Deep-Sea Nodules by Novák, Pavel, Vu, Nguyen Hong, Šulcová, Lucie, Kopeček, Jaromír, Laufek, František, Tsepeleva, Alisa, Dvořák, Petr, Michalcová, Alena

“…This paper brings an innovative processing route of manganese deep-sea nodules, which results in completely new grades of alloys. Deep-sea nodules were…”
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Monchetundraite, Pd2NiTe2, a new mineral from the Monchetundra layered intrusion, Kola Peninsula, Russia by Vymazalová, Anna, Laufek, František, Grokhovskaya, Tatiana L., Stanley, Chris J.

“…Monchetundraite, Pd 2 NiTe 2 is a new mineral discovered in the the Monchetundra layered intrusion, Kola Peninsula, Russia. It forms euhedral grains (up to…”
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Trace element geochemistry of self-burning and weathering of a mineralized coal waste dump: The Novátor mine, Czech Republic by Kříbek, Bohdan, Sýkorová, Ivana, Veselovský, František, Laufek, František, Malec, Jan, Knésl, Ilja, Majer, Vladimír

“…An abandoned dump of the Novátor coal and uranium mine (Intra-Sudetic Basin, Czech Republic) was partly subject to spontaneous combustion in 1959–1970. This…”
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Properties of FeAlSi-X-Y Alloys (X,Y=Ni, Mo) Prepared by Mechanical Alloying and Spark Plasma Sintering by Průša, Filip, Proshchenko, Olga, Školáková, Andrea, Kučera, Vojtěch, Laufek, František

“…Short-term mechanical alloying and compaction by spark plasma sintering was used for the production of FeAl20Si20Mo20-XNiX (X corresponds to 5-15 wt %) alloy,…”
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From individual elements to macroscopic materials: in search of new superconductors via machine learning by Pereti, Claudio, Bernot, Kevin, Guizouarn, Thierry, Laufek, František, Vymazalová, Anna, Bindi, Luca, Sessoli, Roberta, Fanelli, Duccio

“…An approach to supervised classification and regression of superconductive materials is proposed which builds on the DeepSet technology. This enables us to…”
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Structure and Properties of Fe-Al-Si Alloy Prepared by Mechanical Alloying by Novák, Pavel, Vanka, Tomáš, Nová, Kateřina, Stoulil, Jan, Průša, Filip, Kopeček, Jaromír, Haušild, Petr, Laufek, František

“…Fe-Al-Si alloys have been previously reported as an interesting alternative to common high-temperature materials. This work aimed to improve the properties of…”
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Palladothallite, Pd3Tl, a new mineral from the Monchetundra layered intrusion, Kola Peninsula, Russia by Grokhovskaya, Tatiana L, Vymazalova, Anna, Laufek, Frantisek, Stanley, Chris J, Borisovskiy, Sergey Ye

“…Palladothallite, Pd3Tl, is a new mineral discovered in the Monchetundra layered intrusion, Kola Peninsula, Russia. Palladothallite occurs in orthopyroxenite…”
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Roterbärite, PdCuBiSe3, a new mineral species from the Roter Bär mine, Harz Mountains, Germany by Vymazalová, Anna, Cabral, Alexandre R., Laufek, František, Ließmann, Wilfried, Stanley, Chris J., Lehmann, Bernd

“…Roterbärite, PdCuBiSe 3 , is a new mineral species from the Roter Bär mine, Harz Mountains, Germany. It forms euhedral to subhedral grains, up to 50 μm across,…”
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Mg, Ca and Sr isotope dynamics in a small forested catchment underlain by paragneiss: The role of geogenic, atmospheric, and biogenic sources of base cations by Novak, Martin, Holmden, Chris, Andronikov, Alexandre V., Erban Kochergina, Yulia V., Kirchner, James W., Paces, Tomas, Kachlik, Vaclav, Veselovsky, Frantisek, Hruška, Jakub, Laufek, Frantisek, Koubova, Magdalena, Stepanova, Marketa, Prechova, Eva, Sebek, Ondrej, Curik, Jan, Tesar, Miroslav, Fottova, Daniela, Andronikova, Irina E., Komarek, Arnost

“…•Higher runoff of Mg, Ca and Sr than atmospheric input suggests geogenic origin.•Over 90% of geogenic Mg is supplied by biotite, most Ca and Sr comes from…”
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Application of SPS consolidation and its influence on the properties of the FeAl20Si20 alloys prepared by mechanical alloying by Průša, Filip, Šesták, Jakub, Školáková, Andrea, Novák, Pavel, Haušild, Petr, Karlík, Miroslav, Minárik, Peter, Kopeček, Jaromír, Laufek, František

“…The FeAl20Si20 alloy was prepared by a combination of short-term mechanical alloying and spark plasma sintering. The processing parameters either of the…”
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The origin and hydrothermal mobilization of carbonaceous matter associated with Paleoproterozoic orogenic-type gold deposits of West Africa by Kříbek, Bohdan, Sýkorová, Ivana, Machovič, Vladimír, Knésl, Ilja, Laufek, František, Zachariáš, Jiří

“…•Metamorphosed and hydrothermal carbonaceous matter (CM) identified in gold deposits.•The isotopic composition of carbon in CM indicates its biogenic…”
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Zeolitized fossil woods from alkaline volcaniclastic rocks: Unravelling an uncommon mineralization process by Mysliveček, Jakub, Koutecký, Vít, Rapprich, Vladislav, Sakala, Jakub, Hora, John M., Laufek, František, Pour, Ondřej, Benkó, Zsolt, Magna, Tomáš

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Radvaniceite, GeS2, a New Germanium Sulphide, from the Kateřina Mine, Radvanice near Trutnov, Czech Republic by Jiří Sejkora, Vladimír Žáček, Radek Škoda, František Laufek, Zdeněk Dolníček

“…The new mineral radvaniceite, GeS2, was found on the burning coal mine dump of the abandoned Kateřina coal mine at Radvanice, near Trutnov, northern Bohemia,…”
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Native alunogen: A Raman spectroscopic study of a well-described specimen by Košek, Filip, Culka, Adam, Žáček, Vladimír, Laufek, František, Škoda, Radek, Jehlička, Jan

“…Alunogen (Al2(SO4)3 · 17H2O) is a common secondary mineral in the terrestrial environment (acid mine drainage, volcanic or coal-fire fumaroles), and is also…”
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Indium‐copper‐rich sphalerite from the Restauradora vein, Capillitas, Catamarca, Argentina by Márquez‐Zavalía, María Florencia, Vymazalová, Anna, Galliski, Miguel Ángel, Laufek, František, Tuhý, Marek, Watanabe, Yasushi, Bernhardt, Heinz‐Jürgen

“…Abstract The Restauradora vein, is one of the 20 veins of Capillitas (27°27′ S, 66°30′ W), an epithermal precious‐ and base‐metal vein deposit belonging to the…”
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Hydrocarbon condensates and argillites in the Eliška Mine burnt coal waste heap of the Žacléř coal district (Czech Republic): Products of high- and low-temperature stages of self-ignition by Sýkorová, Ivana, Kříbek, Bohdan, Havelcová, Martina, Machovič, Vladimír, Laufek, František, Veselovský, František, Špaldoňová, Alexandra, Lapčák, Ladislav, Knésl, Ilja, Matysová, Petra, Majer, Vladimír

“…The Eliška Mine waste coal heap burned intensely in the 1960s and 1980s, and even now, on the surface of the heap, active vents still occur from which warm air…”
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