Zobrazeno 1 - 10
of 230
pro vyhledávání: '"Waldemar Maniukiewicz"'
Autor:
Daria Dendek, Mateusz Zakrzewski, Radosław Ciesielski, Adam Kedziora, Waldemar Maniukiewicz, Małgorzata Szynkowska-Jóźwik, Tomasz Maniecki
Publikováno v:
Molecules, Vol 29, Iss 12, p 2857 (2024)
The impact of heterogeneous catalytic systems, which are based on rare earth metals, on the properties of biodiesel produced via the transesterification process in a stationary reactor (autoclave) was thoroughly investigated. The physicochemical attr
Externí odkaz:
https://doaj.org/article/b2725f05559e47cd890d3bac00fee30b
Autor:
Iwona Kuźniarska-Biernacka, Barbara Garbarz-Glos, Elżbieta Skiba, Waldemar Maniukiewicz, Marta Monteiro, Wojciech Bąk, Dariusz Szydłowski, Cristina Freire
Publikováno v:
Molecules, Vol 29, Iss 7, p 1416 (2024)
This work is focused on the application of lanthanide-free perovskite Ba1−xSrxTiO3 (0 < x < 1) in valorization of toxic pollutants as 4-nitrophenol (4-NPh). The series of perovskites were fabricated by facile, one-step solid-state preparation metho
Externí odkaz:
https://doaj.org/article/a5b8cf91281141e3bd5aa8a0bfe02e19
Autor:
Anna Sykuła, Agnieszka Bodzioch, Adriana Nowak, Waldemar Maniukiewicz, Sylwia Ścieszka, Lidia Piekarska-Radzik, Elżbieta Klewicka, Damian Batory, Elżbieta Łodyga-Chruścińska
Publikováno v:
Molecules, Vol 28, Iss 19, p 6893 (2023)
The encapsulation of insoluble compounds can help improve their solubility and activity. The effects of cyclodextrin encapsulation on hesperetin’s derivatives (HHSB, HIN, and HTSC) and the physicochemical properties of the formed complexes were det
Externí odkaz:
https://doaj.org/article/c01a9751c2034c6c8782bf027bfa0f58
Autor:
Tim Reilly, Pawel Mierczynski, Andri Suwanto, Satriyo Krido Wahono, Waldemar Maniukiewicz, Krasimir Vasilev, Keren Bindon, Agnieszka Mierczynska-Vasilev
Publikováno v:
Australian Journal of Grape and Wine Research, Vol 2023 (2023)
Background and Aims. Tartrate stabilisation is a necessary step in commercial wine production. The traditional method to prevent crystallisation and precipitation of potassium bitartrate (KHT) after a wine is bottled is by adding seed KHT crystals to
Externí odkaz:
https://doaj.org/article/d35db3f4288d4bcf873d117fc8af32ce
Autor:
Paweł Mierczyński, Bartosz Dawid, Agnieszka Mierczynska-Vasilev, Waldemar Maniukiewicz, Izabela Witońska, Krasimir Vasilev, Malgorzata I. Szynkowska-Jóźwik
Publikováno v:
Catalysis Communications, Vol 172, Iss , Pp 106559- (2022)
The main objective of this work was to study the physicochemical and catalytic properties of bimetallic supported catalysts [1%M-Fe/Al2O3-Cr2O3 (2:1) (M = Ru, Au, Pt, Pd)] in Fischer-Tropsch synthesis. Furthermore, the study investigated the effect o
Externí odkaz:
https://doaj.org/article/7c2626f4e0b444c093422a90301f5608
Autor:
Artem Kaporov, Oleksandr Shtyka, Radoslaw Ciesielski, Adam Kedziora, Waldemar Maniukiewicz, Malgorzata Szynkowska-Jozwik, Yelubay Madeniyet, Tomasz Maniecki
Publikováno v:
Materials, Vol 16, Iss 8, p 3180 (2023)
The investigation of the course of the Boudouard reaction and methane cracking was performed over nickel catalysts based on oxides of calcium, aluminum, and magnesium. The catalytic samples were synthesized by the impregnation method. The physicochem
Externí odkaz:
https://doaj.org/article/a7b30254de0043659a0427d361563089
Autor:
Katarzyna Justyna, Joanna Małolepsza, Damian Kusy, Waldemar Maniukiewicz, Katarzyna M. Błażewska
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 1436-1446 (2020)
The McKenna reaction is a well-known and popular method for the efficient and mild synthesis of organophosphorus acids. Bromotrimethylsilane (BTMS) is the main reagent in this reaction, which transforms dialkyl phosphonate esters into bis(trimethylsi
Externí odkaz:
https://doaj.org/article/fae351d4fa274e52b0513133490cb883
Autor:
Pawel Mierczynski, Oleksandr Shtyka, Marcin Kozanecki, Paulina Filipczak, Waldemar Maniukiewicz, Dmitry G. Gromov, Sergey V. Dubkov, Artem V. Sysa, Alexey Yu. Trifonov, Agnieszka Czylkowska, Malgorzata I. Szynkowska, Tomasz P. Maniecki
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 835-850 (2020)
The synthesis of multi-walled carbon nanotubes (MWCNTS) has been the focus of considerable research effort for more than twenty-five years and it continues to receive increasing attention because of its importance to produce carbon nanotubes with sui
Externí odkaz:
https://doaj.org/article/e48ad25430ea492499b805e27c4b827a
Autor:
Pawel Mierczynski, Magdalena Mosinska, Waldemar Maniukiewicz, Krasimir Vasilev, Malgorzata I. Szynkowska
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 3183-3195 (2020)
Monometallic copper, nickel and bimetallic Pd(Rh)-Cu(Ni) catalysts supported on a binary oxide containing various content of ZrO2 and Al2O3 were prepared by impregnation method. Their physicochemical and catalytic properties in oxy-steam reforming of
Externí odkaz:
https://doaj.org/article/55b367ca9b45445a9ee21589d7103d8b
Autor:
Payam Samadi, Michal J. Binczarski, Waldemar Maniukiewicz, Aleksandra Pawlaczyk, Jacek Rogowski, Elzbieta Szubiakiewicz, Malgorzata I. Szynkowska-Jozwik, Izabela A. Witonska
Publikováno v:
Materials, Vol 16, Iss 3, p 1216 (2023)
The main goal of this study was to modify the activity of Pd/TiO2/Ti catalyst in the reaction of CO oxidation by the addition of Zn. Plasma electrolytic oxidation (PEO) of Ti wire was conducted to produce a uniform porous layer of TiO2. A mixture of
Externí odkaz:
https://doaj.org/article/71dd7b0af69e4e7183e26e607ebedaef