Search Results - "Kruk, Andrzej"

Structural and Magneto-Optical Characterization of La, Nd: Y2O3 Powders Obtained via a Modified EDTA Sol–Gel Process and HIP-Treated Ceramics by Kruk, Andrzej

“…In this study, pure Y2O3, La0.1Y1.9O3 and La0.1Nd0.12Y1.78O3 nanosized powders were successfully synthesized by a modified sol–gel method. Pure and rare-earth…”
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Luminescent Properties of (Ca7ZrAl6O18-Ca3Al2O6-CaZrO3):Eu3+ Composite Ceramics and Tracing in the Hydration Process by Madej, Dominika, Kruk, Andrzej

“…In this work, solid-state reaction sintering was used to fabricate Ca7ZrAl6O18-Ca3Al2O6-CaZrO3:Eu3+ ternary composite ceramics and cements. The structural,…”
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Synthesis and performance of aluminous cements containing zirconium and strontium as alternatives to the calcium aluminate cements designed for the production of high performance refractories by Madej, Dominika, Sieroń, Katarzyna, Kruk, Andrzej

“…Composite cements belonging to the CaO–Al2O3–ZrO2 (C-A-Z) and CaO–SrO–Al2O3–ZrO2 (C–Sr-A-Z) systems were evaluated as alternatives to calcium aluminate cements…”
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Advancing improvement in riverine water quality caused a non-native fish species invasion and native fish fauna recovery by Głowacki, Łukasz, Kruk, Andrzej, Penczak, Tadeusz

“…The knowledge of biotic and abiotic drivers that put non-native invasive fishes at a disadvantage to native ones is necessary for suppressing invasions, but…”
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The measurement of Faraday effect of translucent material in the entire visible spectrum by Kruk, Andrzej, Mrózek, Mariusz

“…•The setup allow to measure the Verdet constant from 300 to 1100 nm.•A double-modulation technique is introduced to improve the measurement sensitivity.•The…”
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Synthesis of Eu-doped K0.5Na0.5NbO3 ceramics and their luminescent and dielectric properties by Lubszczyk, Marta, Brylewski, Tomasz, Ziewiec, Krzysztof, Kruk, Andrzej

“…K 0.5 Na 0.5 NbO 3 :xEu sol–gel powders and bulk samples were synthesized by means of a modified sol–gel method. Two types of samples were obtained via…”
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Preparation, Characterization and Magneto-Optical Properties of Sm-Doped Y2O3 Polycrystalline Material by Kruk, Andrzej, Ziewiec, Krzysztof

“…In this paper, physicochemical properties of pure Y2O3 and samarium (Sm)-doped Y2O3 transparent ceramics obtained via arc plasma melting are presented. Yttria…”
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Investigation on the physicochemical properties of La-doped Er0.05Y1.95O3 nanopowders by Kruk, Andrzej, Polnar, Joanna

“…A series of high-purity Er 0.05 Y 1.95 O 3 nanopowders with different lanthanum content was prepared by modification of the Pechini sol–gel method using citric…”
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Crystallization and decomposition of Mn1.5Co1.5O4 spinel synthesized using EDTA gel processing by Adamczyk, Anna, Bik, Maciej, Kruk, Andrzej, Pyzalski, Michał, Brylewski, Tomasz

“…A manganese–cobalt (Mn 1.5 Co 1.5 O 4 ) spinel compound was synthesized by means of gel processing with EDTA (ethylenediaminetetraacetic acid) as a chelating…”
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Ecological amplitude and indication potential of mining bees (Andrena spp.): a case study from the post-agricultural area of the Kampinos National Park (Poland) by Szczepko-Morawiec, Katarzyna, Wiśniowski, Bogdan, Motyka, Ewelina, Celary, Waldemar, Kruk, Andrzej

“…The mining bee ( Andrena spp.) play a key role in ensuring plant and animal diversity. The present study examines their diversity in a post-agricultural…”
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Local habitat conditions shaping the assemblages of vespid wasps (Hymenoptera: Vespidae) in a post-agricultural landscape of the Kampinos National Park in Poland by Szczepko, Katarzyna, Kruk, Andrzej, Wiśniowski, Bogdan

“…The landscape of the Kampinos National Park (KPN), a UNESCO Biosphere Reserve in Poland, is a mosaic of habitats created by natural processes and human…”
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Physicochemical properties of the Crofer 22 APU steel with La0.6Sr0.4Co0.2Fe0.8O3-δ protective-conductive coatings prepared by pulsed laser deposition by Durda Ewa, Kruk Andrzej

“…Commercial La0.6Sr0.4Co0.2Fe0.8O3-δ powder was used for preparation of corresponding perovskite films on commercial Crofer 22 APU high chromium steel by pulsed…”
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Vascular plants and mosses as bioindicators of variability of the coastal pine forest (Empetro nigri-Pinetum) by Wolski, Grzegorz J., Sobisz, Zbigniew, Mitka, Józef, Kruk, Andrzej, Jukonienė, Ilona, Popiela, Agnieszka

“…Empetro nigri-Pinetum is a unique sea coast plant community developing along the Baltic Sea from Germany to Lithuania. Our detailed field research of…”
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Structural and Optical Properties of Pure and Sulfur-Doped Silicate–Phosphate Glass by Sułowska, Justyna, Madej, Dominika, Pokrzywka, Bartłomiej, Szumera, Magdalena, Kruk, Andrzej

“…A series of silicate–phosphate glass materials from the SiO2-P2O5-K2O-MgO system (pure and doped with sulfur ions) were synthesized by melting raw material…”
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The spatial and temporal reconstruction of a medieval moat ecosystem by Antczak-Orlewska, Olga, Okupny, Daniel, Kruk, Andrzej, Bailey, Richard Ian, Płóciennik, Mateusz, Sikora, Jerzy, Krąpiec, Marek, Kittel, Piotr

“…Moats and other historical water features had great importance for past societies. The functioning of these ecosystems can now only be retrieved through…”
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Optical Magnetometry Based on Nanodiamonds with Nitrogen-Vacancy Color Centers by Wojciechowski, Adam M, Mrózek, Paulina Nakonieczna Mariusz, Sycz, Krystian, Kruk, Andrzej, Ficek, Mateusz, Głowacki, Maciej, Bogdanowicz, Robert, Gawlik, Wojciech

“…Nitrogen-vacancy color centers in diamond are a very promising medium for many sensing applications such as magnetometry and thermometry. In this work, we…”
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Temperature and E-Poling Evolution of Structural, Vibrational, Dielectric, and Ferroelectric Properties of Ba1−xSrxTiO3 Ceramics (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.45) by Suchanicz, Jan, Sitko, Dorota, Stanuch, Krzysztof, Świerczek, Konrad, Jagło, Grzegorz, Kruk, Andrzej, Kluczewska-Chmielarz, Kamila, Konieczny, Krzysztof, Czaja, Piotr, Aleksandrowicz, Jakub, Wieczorek, Wojciech, Grygierek, Justyna, Sokolowski, Mariusz, Stachowski, Grzegorz, Antonova, Maija, Sternberg, Andris

“…Lead-free Ba1−xSrxTiO3 (BST) (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.45) ceramics were successfully prepared via the solid-state reaction route. A pure perovskite…”
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Long-Term Patterns in the Population Dynamics of Daphnia longispina, Leptodora kindtii and Cyanobacteria in a Shallow Reservoir: A Self-Organising Map (SOM) Approach by Wojtal-Frankiewicz, Adrianna, Kruk, Andrzej, Frankiewicz, Piotr, Oleksińska, Zuzanna, Izydorczyk, Katarzyna

“…The recognition of long-term patterns in the seasonal dynamics of Daphnia longispina, Leptodora kindtii and cyanobacteria is dependent upon their interactions,…”
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Microstructure and electrical conductivity of 3Y-TZ/Al2O3 composites by Obal Katarzyna, Wyrwa Jan, Kruk Andrzej, Dziubaniuk Małgorzata, Pędzich Zbigniew, Rękas Mieczysław, Brylewski Tomasz

“…Various amounts of Al2O3 (0.25, 0.5 and 1.0mol%) were added to tetragonal polycrystalline material (3YTZP), prepared using the hydrothermal crystallization…”
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Influence of dam removal on trichopteran assemblages in the lowland Drzewiczka River, Poland by Tszydel, Mariusz, Grzybkowska, Maria, Kruk, Andrzej

“…The aim of this study is to assess the response of Trichoptera in a patchy tailwater stretch of the Drzewiczka River (Poland) to dam removal as compared to the…”
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