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Wyniki wyszukiwania dla: hfm

  • TGA data of MXenes catalysts

    Dane Badawcze
    open access

    Data contain results from TGA measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. ...

  • Adsorption and desorption of N2 measurement of MXenes catalysts

    Dane Badawcze
    open access

    Data contain results from adsorption and desorption of N2 measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y...

  • XRD patterns of MXenes catalysts

    Dane Badawcze
    open access

    Data contain results from XRD measurements of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios....

  • Raman spectra of MXenes catalysts

    Dane Badawcze
    open access

    Data contain results from Raman spectroscopy of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. ...

  • SEM images of MXene catalysts

    Dane Badawcze
    open access

    Data contain results SEM measurements of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y, where X:Y means the acids weight ratios. MAX...

  • The XAS spectra of O-K edges, Fe-L edges in pristine, La-, and Nb-doped SFM in 3 states: as-prepared, reduced and reoxidized

    Dane Badawcze
    embargo - seria: SFM

    This dataset contains the normalized and exported to *.txt spectra for x-ray absorption spectroscopy. The samples analyzed were strontium ferrite molybdate based, doped with lanthanum and niobium. The powders were measured in as-prepared state (denoted in filename as AP), reduced (red) and reoxidized (reox). The filenames are written accordingly: Edge_(optional:...

  • XRD patterns of MXenes ashes obtained after TGA measurement

    Dane Badawcze
    open access

    Data contain results from XRD measurements of the product (ashes) produced after TGA of MAX Phase, MXene HF, MXene HF/HCl 1:3 and MXene HF/H2SO4 1:3 . The measurements were performed in AERIS PANalytical X-ray diffractometer with Cu-Ka radiation. 

  • GC Chromatograms for isomerization of alpha-pinene

    Dane Badawcze
    open access

    Data contain results of the catalytic tests for the isomerization of alpha-pinene for the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using different etching agents, HF/HCl and HF/H2SO4 with different weight ratios (1:3, 1:4, and 1:5). The samples were labeled as MXene HF/HCl X:Y and MXene HF/H2SO4 X:Y,...

  • Microscopic examination of the texture of paper products

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    Atomic force microscopy (AFM) can be used to study the state of the paper fibers with the aim of providing qualitative and semi-quantitative information on degradation and aging. The work [1] reports the results of tests of various paper products subjected to deliberate aging processes under the influence of various factors. Chemical and biological...

  • XPS data of MXene catalyst

    Dane Badawcze
    open access

    Data contain results from XPS measurement of the Ti3C2Tx MXenes produced via acidic etching aluminum from MAX Phase (Ti3C2-Al-Ti3C2-Al-Ti3C2) using 48% HF etching agent (MXene HF). The X-ray spectroscopy (XPS) measurements were conducted using Mg Ka (hn = 1253.6 eV) radiation in a Prevac (Poland) system equipped with a Scienta SES 2002 (Sweden) electron...

  • DSC and TG results for strontium ferrite molybdate: pristine La, or Nb-doped

    Dane Badawcze
    embargo - seria: SFM

    This dataset consists of DSC and TG data collected for SFM, LSFM (La-doped) and SFMNb (Nb-doped) compounds, which were undertaken to analyze the reoxidation process of reduced compounds and its transition to double-perovskite structure .The appropriate amount of the powder (~10 mg with 10% tolerance factor) were placed into the alumina crucible and...

  • The morphology of lead-silicate glasses and nanocomposites doped with iron oxide

    Dane Badawcze
    open access

    The topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of  50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass plate preheated to 573...

  • The morphology of lead-silicate glasses containing nanocrystallites of iron oxides

    Dane Badawcze
    open access

    The topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of  (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass...

  • The morphology of lead-borate glasses and nanocomposites doped with iron oxide

    Dane Badawcze
    open access

    The topography of iron-doped borate glasses and glass-ceramics were studied. Samples of composition of xFe2O3–(100 − x)(B2O3–2PbO) (2.5 < x < 37 in mol%) were prepared by the conventional meltquenching technique. The melting was conducted in alumina crucibles at the temperature of 1523 K. The melts were poured on a preheated (573 K) brass plate...

  • Nanotubular oxide layer formed on helix surfaces of dental screw implants - SEM examination

    Dane Badawcze
    open access

    The samples used for the research had the shape of a helix with a metric thread, with their geometry imitating a dental implant. The oxide layer was produced by a standard electrochemical method in an environment of 1M H3PO4 + 0.3 % HF for 20 min, at a constant voltage of 30 V. The oxidized samples were analyzed with a scanning electron microscope. 

  • XRD patterns of nickel-modified V2CTx

    Dane Badawcze
    open access

    The set includes data for XRD pattern preparation of nickel-modified V2CTx samples.

  • Electrical properties of nanostructures in lead-silicate glasses and nanocomposites doped with iron oxide

    Dane Badawcze
    open access

    Electrical properties of iron oxide nanostructures observed in silicate glasses and glass-ceramics were studied. Two different sets of glass samples were prepared. The first group of samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO– xFe2O3, where x = 15, 20 and 25 (in mol%). Composition of the second group was 50SiO2–(50−x)PbO–xFe2O3, where...

  • Magnetic properties of of lead-silicate glasses and nanocomposites doped with iron oxide

    Dane Badawcze
    open access

    Magnetic properties of iron-doped glasses and glass-ceramics were studied. Two different sets of glass samples were prepared. The first group of samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO– xFe2O3, where x = 15 and 20 (in mol%). Composition of the second group was 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere...

  • XRD diffraction patterns for strontium ferrite molybdate-based compounds: as-prepared, reduced and reoxidized

    Dane Badawcze
    embargo

    The dataset contains the XRD diffractograms collected at room temperature for SFM, LSFM and SFMNb in 3 different oxidation states, namely: as-prepared, reduced and reoxidized.

  • Measurements of raising of 160EC pantograph type

    Dane Badawcze
    open access

    In this description the results of the experiment and also simulation performed on the total assembly of the 160 EC pantograph type is given. Multibody dynamics of pantograph rising due to external torque and forces are measured for parameter validation of the pantograph model.

  • Nitrogen sorption isotherm for V2CTx

    Dane Badawcze
    open access

    Data of points for nitrogen sorption isotherm for sample V2CTx (only sorption branch). The V2CTx was prepared via selective etching of aluminium from MAX matrice V2AlC using 50% HF for 96 h at room temperature.

  • Ferromagnetic nanoparticles imaging by means of Magnetic Force Microscopy

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    Ferromagnetic nanoparticles can be used as building blocks for advanced thin film magnets, and can also be used in data storage and biomedical technologies. Nano-crystalline ferrites with the chemical formula NixZn (1 - x) Fe2O4, where x = 0, 0.2, 0.4, 0.6, 0.8, 1.0 show anti-corrosion properties and suppress electromagnetic interference, in the case...

  • Imaging of biological samples: crassula arborescens

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    One of the tasks of modern botany is to describe the relationship between climatic conditions and other environmental factors and the anatomical structure and adaptation of species present in given geographic areas. The work [1] focuses on anatomical and morphological studies of leaves of plants from the coarse family. Species tested belong to leaf...

  • Imaging of biological samples: the ant Lasius Niger

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    The world of arthropods continues to amaze researchers today. An example may be a relatively new report by a group of scientists on structures found in ant shells [1] Although calcareous anatomical structures have evolved in various groups of animals, little has been known so far about the occurrence of this type of form in insects. The authors of the...

  • Microscopy analysis of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4

    Dane Badawcze
    open access

    The data set contains live-cell imaging of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4. Cells were exposed for 6 h to the tested compounds at their IC90 concentration or to DMSO. Then, mitochondrial labelling was performed by incubating the cells with a MitoTracker Green FM probe (Thermo Fisher Scientific) and Hoechst 33342 (Thermo...

  • Phylogenetic trees of genus Oncidium Sw. based on analysis of DNA sequences

    Dane Badawcze
    wersja 1.3 open access - seria: Oncidium Sw. taxonomy

    Genus Oncidium Sw. is widely regarded as a polyphiletic, and the taxonomic boundaries between him and such genera as Odontoglossum Kunth. or Miltonia Lindley remain blurred. The goal of the study was to determine the phylogenetic relationships within the genus Oncidium s.lato based on the DNA sequences analysis. The correlation between molecular data...

  • Imaging of ferroelectric properties of sinter by means of Piezoresponse Force Microscopy

    Dane Badawcze
    open access - seria: Scanning Probe Microscopies data

    Ferroelectricity is a property of certain materials [1], characterized by a spontaneous electrical polarization that can be reversed by applying an external electric field. Ferroelectric properties can be used to make capacitors with adjustable capacity. The permeability of ferroelectrics is not only regulated, but usually also very high, especially...

  • SYNAT_MUSIC_GENRE_FV_173

    Dane Badawcze
    open access

    This is the original dataset containing 51582 music tracks (22 music genres) and 173 element-feature vector [1-6,9]. A collection of more than 50000 music excerpts described with a set of descriptors obtained through the analysis of 30-second mp3 recordings was gathered in a database called SYNAT. The SYNAT database was realized by the Gdansk University...

  • SYNAT Music Genre Parameters PCA 19

    Dane Badawcze
    open access

    The dataset contains feature vector after  Principal Component Analysis (PCA) performing, so there are 11 music genres and 19-element vector derived from music excerpts. Originally, a feature vector containing 173 elements was conceived in earlier research studies carried out by the team of authors [1-6]. A collection of 52532 music excerpts described...

  • SYNAT_PCA_48

    Dane Badawcze
    open access

    There is a series of datasets containing feature vectors derived from music tracks. The dataset contains 51582 music tracks (22 music genres) and feature vector after  Principal Component Analysis (PCA) performing, so there are 48-element vectors derived from music excerpts. Originally, a feature vector containing 173 elements was conceived in earlier...

  • SYNAT_PCA_11

    Dane Badawcze
    open access

    The dataset contains 51582 music tracks (22 music genres) and feature vector after  Principal Component Analysis (PCA) performing, so there are 11-element vectors derived from music excerpts. Originally, a feature vector containing 173 elements was conceived in earlier research studies carried out by the team of authors [1-6]. A collection of more than...

  • TF-IDF weighted bag-of-words preprocessed text documents from Simple English Wikipedia

    Dane Badawcze
    open access

    The SimpleWiki2K-scores dataset contains TF-IDF weighted bag-of-words preprocessed text documents (raw strings are not available) [feature matrix] and their multi-label assignments [label-matrix]. Label scores for each document are also provided for an enhanced multi-label KNN [1] and LEML [2] classifiers. The aim of the dataset is to establish a benchmark...