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Search results for: BAG-SHAPED MEMBRANES

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

    Open Research Data
    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...

  • Separation of bacteria in UF process

    Open Research Data
    open access

    Large quantities of water are used in car washing, so it is necessary to recycle the water, which is made possible by membrane filtration. FP100 (100 kDa) membranes have been used to treat car wash wastewater by ultrafiltration (UF). With time of operation, the properties of the membranes change. The membranes need to be cleaned periodically to prevent...

  • Detailed results of shaping personnel risk factors in enterprise B

    Open Research Data
    open access

    The data presents the shape of all the researched personnel risk factors in the B enterprise (which was tested by the author). Further considerations should be started with the presentation of the synthesis of the obtained results, which is presented in this research data.

  • Tubular ultrafiltration car wash wastewater

    Open Research Data
    open access

    The commercial ultrafiltration (UF) tubular polyvinylidene fluoride (100 and 200 kDa) and polyethersulfone  (4 kDa) membranes were applied for filtration of carwash wastewater. Intensive fouling was notice, which caused over 50% permeate  flux reduction during 3-5 h of filtration process. This phenomenon was reduced by washing the membranes with alkaline...

  • Car wash water reuse

    Open Research Data
    open access

    The resistance of automotive coatings to washing water recovered in 50% and 70% from wastewater generated at car wash was tested. The wastewater was purified in the ultrafiltration process using tubular polyvinylidene fluoride membranes (100 and 200 kDa) manufactured by PCI company. The membranes retained oil contamination and over 50% of surfactants....

  • Biofouling UF car wash

    Open Research Data
    open access

    Polyethersulfone (PES) membranes were used to separate wastewater from car washes containing bacteria.After the separation was completed, the UF installations were washed with chemical agents.The study examined how effectively these chemical agents remove bacterial contamination from the installation.P3 Ultrasil 11 alkaline solutions (pH = 12) were...

  • XPS study of the NH4-VOx powders

    Open Research Data
    open access

    Vanadium pentoxide samples were prepared by sol-gel method. The starting solution was prepared by mixing vanadium (V) oxytripropoxide (Aldrich) in an anhydrous ethanol as solvent and acetylacetone. By drying the sol at 323 K for 48 h, it transforms via gel into a xerogel powder. Next, the precursor powder was pressed into the disk-shaped pellets. Samples...

  • Photographic documentation of St. Andrew’s Church in Osiek (Oświęcim County, Lesser Poland) at the turn of the 19th and 20th centuries

    Open Research Data
    open access

    This dataset presents photographic documentation of the St. Andrew’s Church settled in Osiek (Oświęcim County, Małopolskie Voivodeship – Lesser Poland), built in 1538-1549. This wooden church is a late-gothic Silesian-style building. Inside the church are the baroque main altar and the rococo pulpit, shaped like a boat from the second half of the 18th...

  • Ethylene decomposition on TiO2 - UV and Fluorescence lamp

    Open Research Data
    open access

    Data contain chromatograms recorded during decomposition of ethylene flowing over TiO2 through the quartz tubular shape reactor. TiO2 was coated onto glass plates with dimension of 2cmx2cm, in total 3 plates were used and placed inside reactor. Reactor was irradiated by UV (Special 'TL'E, Philips) or fluorescent (Lumilux, OSRAM) 3 ring-shaped lamps,...

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

    Open Research Data
    open access

    The structure 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 samples were 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 and nanocomposites doped with iron oxide

    Open Research Data
    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

    Open Research Data
    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 structure of lead-silicate glasses containing nanocrystallites of iron oxides

    Open Research Data
    open access

    The structure 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 samples were 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...

  • Linear impedance of V2O5 nanorods obtained at 903K

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...

  • Linear impedance of V2O5 nanorods obtained at 913K

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...

  • Linear impedance of V2O5 nanorods obtained at 893K

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...

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

    Open Research Data
    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

    Open Research Data
    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...

  • Linear and nonlinear impedance of iron containing silicate glasses

    Open Research Data
    open access

    The linear and nonlinear impedance ofglasses doped with iron oxide were measured. Glass samples (50 SiO2-50-xPbO-xFe2O3 in mol%) were prepared by the conventional melt quenching technique. The substrates were powdered in a mortar and melted in Al2O3 crucibles. The melting was conducted in air at 1623K. The melts were poured out on plate heated up to...

  • Linear impedance of V2O5 nanorods obtained at 923K

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...

  • Electrical properties of silicate-lead glasses containing nanostructures of iron oxides.

    Open Research Data
    open access

    Electrical properties of silicate-lead glasses doped with different content of iron oxide was studied. The set of glass samples were prepared with 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...

  • Bricks images dataset

    Open Research Data
    open access

    The set contains 200 images of various wooden bricks of various shapes and colors placed on a background (blanket) with some heart shaped patterns. Each photo is available in 300x300 and 224x224 pixels size in PNG format. Photos are divided in 10 classes – 8 types of bricks photographed form various angles + 2 additional classes (multiple bricks at...

  • Linear and nonlinear impedance of alkali and iron doped silicate-lead glasses

    Open Research Data
    open access

    Linear and nonlinear impedance was studied for lead-silicate glass samples doped with iron ions and alkaline oxides. The compositions of glasses were as follows: (in %mol) 50% SiO2, 25% PbO, 15% Fe2O3 and 15% one of alkaline oxides: Na2O, K2O, Li2O. All samples were prepared by the conventional melt quenching technique. The substrates were powdered...

  • Tensile test results of fused filamend fabricated polylactyde and polylactyde with carbon fiber filler

    Open Research Data
    restricted access

    The Dataset contains the results of the mechanical behaviour of dog-bone shaped specimens. The specimens were additively manufactured with the fused filament fabrication (FFF) method. They used two different materials polylactide (PURE PLA) and polylactide with carbon fibre filler (PLA+CF). The specimens were segregated into three groups - unsterilized,...

  • Sea ice floe size and shape data from a very high resolution satellite image (Knox Coast, East Antarctica)

    Open Research Data
    open access

    This dataset contains floe size distribution data from a very high resolution (pixel size: 0.3 m) optical satellite image of sea ice, acquired on 16. Feb. 2019 off the Knox Coast (East Antarctica). The image shows relatively small ice floes produced by wave-induced breakup of landfast ice between the Mill Island and Bowman Island. The ice floes are...

  • Non-linear impedance of V2O5 nanorods obtained at 923K

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the non-linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...

  • Data on LEGO sets release dates and retail prices combined with aftermarket transaction prices between June 2018 and June 2023.

    Open Research Data
    open access - series: LEGO

    The dataset contains LEGO bricks sets item count and pricing history for AI-based set pricing prediction.

  • Place identity in socialist-modernist building

    Open Research Data
    open access

    The data include 96 individual response of falowiec's residents on the following  scales (1) social identification, (2) falowiec’s place identity (3) interest in history of place. Each line represents responses obtained from one participant and his or her demographic characteristics. like gender, age, and education level. 

  • Visualization of the surface of the Nafion membrane

    Open Research Data
    open access - series: Scanning Probe Microscopies data

    Fuel cells use the chemical energy of hydrogen or other fuels to produce electricity. If the fuel is hydrogen, the only products are electricity, water and heat. Fuel cells are unique in the variety of their potential applications, they can use a wide variety of fuels. They are also highly scalable devices that can power both cars and mobile phones....