Search results for: MARINE RESTORATION - Bridge of Knowledge

Your account

login

Search

Search results for: MARINE RESTORATION

Filters

total: 10254
filtered: 824

clear all filters

Chosen catalog filters

clear Chosen catalog filters

Search results for: MARINE RESTORATION

  • Luminescence of TeO2:Eu thin films

    Open Research Data
    open access

    Tellurium dioxide doped by europium thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was...

  • Chemical composition analysis of the LSNO ceramics

    Open Research Data
    open access

    The chemical composition of a series of La-Sb-Nb-O ceramics manufactured by the solid-phase reaction method was analyzed. The samples with a various antimony content were measured by XPS method (OmicronNanotechnology UHV system). Analysis confirmed presence of elements: La, Sb, Nb.

  • X-Ray diffraction of the metallic nanostructures

    Open Research Data
    open access

    Metallic nanostructures (gold and silver) were manufactured as a thermal annealing of gold or silver thin film. Gold films with thickness of 2.8 nm were deposited on a silicon substrates using a table-top dc magnetron sputtering coater (EM SCD 500, Leica), equipped with quartz microbalance for in-situ thickness measurements. Films were deposited from...

  • Structural investigations of the Al2O3 ultra thin films

    Open Research Data
    open access

    Ultra-thin layers of Al2O3 were deposited by atomic layer deposition (ALD) (Beneq TFS 200 ALD system). This method provides precise thickness control down to a single atomic layer. The precursors used were trimethylaluminum (Sigma-Aldrich) and purified water. The deposition of the atomic layer was carried out at 200 °C. Samples with a thickness of 2...

  • XRD analysis of the tellurium dioxide thin films

    Open Research Data
    open access

    Tellurium dioxide thin films were deposited by magnetron sputtering method. The XRD analysis of the films annealed at 200, 500, 650 and 700 celsius degree showed appearing of crystalline phase in a higher temeratures.

  • Influence of the annealing condictions on the chemical structure of LaBaGdCo ceramics

    Open Research Data
    open access

    Ceramic samples based on Barium, Lanthanum, Gadolinium and Cobaltium were produced by solid state reaction.  After sintring in a furnance, samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology.  XPS analysis...

  • Impedance spectroscopy of the lithium titanate doped by copper thin films

    Open Research Data
    open access

    Lithium titanate doped by copper thin films were derived by sol-gel method. Prepared gel was deposited by spin-coating technique. Samples with various content of Cu were measured by impedance spectroscopy method in a wide range of temperature, from -120 up to 150 deg.

  • Investigation of the uniformity of TeO2:Eu layer

    Open Research Data
    open access

    TeO2 doped by Eu thin films manufactured by magnetron sputtering method were measured by XPS method.  Te-Eu mosaic target with diameter of 50.8 mm was sputtered for about 45 min in argon-oxygen atmosphere what resulted in 300 nm film thickness deposition. The pressure in the deposition chamber was below 0.2 Pa and substrate was heated  at 200 oC during...

  • Study of the chemical state of Gd in a Ba-La-Gd-Co based ceramic

    Open Research Data
    open access

    Barium, Lanthanum, Gadolinium and Cobaltium precursors were used for production of ceramic materials. Samples were produced by standard solid state reaction.  Samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing on a Gadolinum were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology....

  • X-Ray photoemission spectroscopy measurements of the Nb-V-Sr-O ceramics

    Open Research Data
    open access

    Niobium doped strontium vanadate based perovskite SrV1-xNbxO3-δ materials were prepared via conventional solid state reaction (SSR) method. For comparison, different samples with a various amount of niobium dopant in the structure were synthesized; x = 0; 0,2; 0,5; 0,8 and 1. Samples were sintered by two-steps: first under a pure hydrogen (purity >99.999%)...

  • Chemical investigation of the Al2O3 ultra-thin films

    Open Research Data
    open access

    Ultra-thin layers of oluminum oxide (Al2O3) were deposited by ALD method.  Atomic layer deposition provides precise thickness control down to a single atomic layer. The precursors used were trimethylaluminum (Sigma-Aldrich) and purified water. The deposition of the atomic layer was carried out at 200 °C. Samples with a thickness of 2 and 8 nm of alumina...

  • XPS analysis of the GO based materials

    Open Research Data
    open access

    Graphene oxides samples were measured by XPS method. The X-ray photoemission spectroscopy measurements were carried out with Omicron NanoTechnology UHV equipment. The hemispherical spectrophotometer was equipped with a 128-channel collector. The XPS measurements were performed at room temperature at a pressure below 1.1 × 10−8 mBar. The photoelectrons...

  • Chemical properties of bismuth telluride – carbon composites.

    Open Research Data
    open access

    Carbon nanotubes and amorphous carbon have been introduced into bismuth telluride matrix (in 0.15 and 0.30 wt % ratio) in order to investigate influence of carbon on composite’s thermoelectric properties. Composites with well-dispersed additives have been obtained by sonication and ball-milling. Chemical composition of materials was confirmed by XPS...

  • Lanthanum investigations in ceramics annealed in a dry and wet atmosphere

    Open Research Data
    open access

    Ceramics based on Barium, Lanthanum, Gadolinium and Cobaltium were produced by standard solid state reaction from oxides and carbonate powders. After sintring, samples were annealed for 2 hours or 72 hours at 300 Celsius degree in a both: wet and dry atmosphere. Results of annealing on a chemical composition and valence state of lanthanum were observed...

  • Formation of gold nanostructures detected by XPS method

    Open Research Data
    open access

    Gold nanostructers were manufactured by thermal dewetting of thin film. Film with thickness of 2.8 nm was deposited by magnetron sputtering method. As a result of annealing at 550 deg, nanostructures appear. Bulk gold, as-deposited gold film and metallic nanostructures were measured by XPS method. 

  • Morphology of the sol-gel derived LTO:Cu films

    Open Research Data
    open access

    Morphology of the lithium titanate doped by Cu thin films were investigated by SEM microscope. Films were deposited by spin-coater from sol-gel derived sol. SEM images showed a high porous structure, tipaciall for sol-gel based films. For measurements samples with a various content of Cu were selected.

  • Mn-Co nanofilms on nickel foam measured by XPS mehod

    Open Research Data
    open access

    Manganium-Cobaltium based thin films were electrochemically deposited on a Ni based subsrates in a one-step process at −1.1 V vs. Ag/AgCl in an aqueous solution of differently concentrated Mn(NO3)2·4H2O and Co(NO3)2·6H2O with the deposition time limited by charges of 60, 120, and 200 mC at 25 °C. The concentration ratios of Mn(NO3)2·4H2O to Co(NO3)2·6H2O...

  • Depth XPS profile of Fe-S layers on a titanium substrate

    Open Research Data
    open access

    Depth XPS profile of Fe-S layers on a titanium substrate was measured. Material was etched by Argon ion gun and measured by XPS method. For each sample, three times per 10 minutes each was sputtered.

  • Tellurite based glass doped by Eu3+ ions - XPS measurements

    Open Research Data
    open access

    Eu3+ doped tellurite glass ceramics containing SrF2 nanocrystals were prepared using melt quenching technique and subsequent heat treatment of glass in 370 °C for different time periods. Thermal properties of glass matrix have been determined based on DSC measurements. XRD and XPS results confirmed formation of SrF2 nanocrystals in glass matrices after...

  • XPS analysis of TBBO glass

    Open Research Data
    open access

    Glasses and glass-ceramics with nominal composition 73 TeO2– 4BaO– 3Bi2O3–18SrF2-2RE2O3 (where RE = Eu, Dy) have been synthesized by conventional melt-quenching technique and subsequent heat treatment at 370 °C for 24 h in air atmosphere. Various Eu3+ to Dy3+ molar ratio have been applied to investigate luminescence properties in both glass and glass-ceramic...

  • Dewetting of silver films detected by XPS method

    Open Research Data
    open access

    Dewetting of silver thin films was detected by XPS method. Thin metallic films were deposited by magnetron sputtering method. Formation of nanostructures , as a result of thermal annealing, was confirmed by SEM microscope. For comparision three samples were measured. Bulg gold, as-deposited silver film with thickness of 3 nm and nanostructures.

  • Hydrogenation process ofTiO2/BiVO4/PEDOT:PSS observed by XPS method

    Open Research Data
    open access

    Titania nanotubes synthesis was based on a two-stage anodization process at water/ethylene glycol (5%/95%) electrolyte containing 0.27 M NH4F and 1 M H3PO4 described previously. Anodization process was performed in two-electrode cell compartment using platinum mesh as a cathode. The distance between electrodes was about 2 cm. The anodization voltage...

  • XPS study of the YST ceramics

    Open Research Data
    open access

    Yttrium-doped strontium titanate  was prepared via conventional solid-state reaction method from Y2O3 (Sigma Aldrich, 99,9%), TiO2 (Sigma Aldrich, 99%) and SrCO3 (Sigma Aldrich,98%). For comparision, two other techniques were used for synthesis: Pechini and wet methods. Both kind of samples were measured, after and before reduction process (in a hydrogen)....

  • Analysis of the properties of the YSTF ceramics materials before and after reduction

    Open Research Data
    open access

    The valence of titanium in reduced YSTF ceramics materials was investigated. Ceramics were reduced by annealing in a hydrogen atmosphere. For comparison unreduced sample was also measured. Valance state was measured by XPS method.

  • Detection of the Ag nanoparticles in Te-Bi-Ba-Oa glass

    Open Research Data
    open access

    The influence of the manufacturing parameters of tellurium-bismuth-barium glasses on the presence of silver nanoparticles was investigated. Glasses were annealed at 330, 335, 340, 345 and 350 degrees Celsius for 24 and 48 hours. Presence of the Ag nanoparticles was measured by XPS method. The growth of nanoparticles was observed along with the extension...

  • XRD investigations of the lithium titanate thin films

    Open Research Data
    open access

    Nanocrystalline thin films with 800 nm thickness were prepared by sol–gel method. To examine the influence of the annealing temperature on as-prepared films crystallization, the coatings were heated at temperature from 500 °C up to 600 °C  for 20h. Structure of manufactured thin films was investigated using X-ray diffraction (XRD). The most visible...

  • Investigations of the valence state of Co in a MnCoO ceramics

    Open Research Data
    open access

    McCoO ceramics materials were produced by solid state reaction and sintred in a furnance in air atmosphere for 20h. Annealing temperature was 600 Celsius degree. For investigations a series of samples, with a various composition was chosen: MnCoO, Mn, Co2O and Mn2CoO. Chemical behaviour of the Cobaltium was measured by XPS method.  The analyses were...

  • XPS measurement of the Fe-Ti based materials

    Open Research Data
    open access

    The mono‐ and bimetal‐modified (Pd, Cu) titanium(IV) oxide and iron oxide (III) photocatalysts were prepared by chemical reduction method and characterized using XPS method. The composition of elements incorporated in the surface layer of mono- and bimetallic photocatalysts was determined by XPS analysis, as well as the valence state of elements. Measurements...

  • SPTNO ceramics measured by XPS method

    Open Research Data
    open access

    SPTNO (Sr-Pr-Ti-Ni-O) ceramic were manufactured by solid state reaction, from oxides compounds. Synthesis conducted in air atmosphere at temperature in a range of 800-900 deg. Chemical composition of prepared materials were measured by XPS (X-Ray photoemision spectroscopy) method. UHV OmicronNanotechnology system with 128 channel Argus hemispherical...

  • The results of physico – chemical monitoring of watercourses around the municipality of Gdańsk in 2016

    Open Research Data
    open access

    The dataset contains the results of a physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2016. The examined material consisted of water samples collected from 16 watercourses (5 rivers, 6 streams, 2 storm water sewers, 1 artificial canal, 1 artificial arm of a river and 1 drainage trench) flowing directly...

  • Bacteriological and physicochemical monitoring of coastal sea waters – Gulf of Gdańsk (Baltic Sea) in 2006

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physicochemical studies of Gdansk Bay coastal waters within the administrative boundaries of Gdańsk city in 2006. The examined material consisted of water samples collected from 15 sampling points. Number of Escherichia coli, number of intestinal enterococci, presence of Salmonella sp., pH, temperature,...

  • Bacteriological and physicochemical monitoring of inland surface waters within the administrative boundaries of Gdańsk city in 2006

    Open Research Data
    open access

    The dataset containst the results of a bacteriological and physico-chemical study of inland surface waters within the administrative boundaries of Gdańsk city in 2006.

  • Bacteriological and physicochemical monitoring of coastal sea waters – Gulf of Gdańsk (Baltic Sea) in 2007

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physicochemical studies of Gdansk Bay coastal waters within the administrative boundaries of Gdańsk city in 2007. The examined material consisted of water samples collected from 15 sampling points. Number of Escherichia coli, number of intestinal enterococci, presence of Salmonella sp., pH, temperature,...

  • The results of measuring concentrations of heavy metals, petroleum hydrocarbons and humic acids in watercourses around the municipality of Gdańsk in 2005

    Open Research Data
    open access

    The dataset contains the results of a measurement of concentrations of heavy metals (cadmium, lead and mercury), petroleum hydrocarbons and humic acids in watercourses around the municipality of Gdańsk in 2005. The data was collected from January to December, once a month at 23 measuring stations located at 15 watercourses.

  • The results of physico – chemical and microbiological testing of watercourses around the municipality of Gdańsk in 2005

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2005. The examined material consisted of water samples collected from 15 watercourses within the administrative boundaries of Gdańsk, Poland.

  • Bacteriological and physicochemical monitoring of coastal sea waters – Gulf of Gdańsk (Baltic Sea) in 2004

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physicochemical studies of Gdansk Bay coastal waters within the administrative boundaries of Gdańsk city in 2004. The examined material consisted of water samples collected from 15 sampling points. Number of Escherichia coli, number of intestinal enterococci, presence of Salmonella sp., pH, temperature,...

  • Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2015

    Open Research Data
    open access

    This data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2015. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic  and potentially pathogenic fungi and bacteria. The collected...

  • Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2018

    Open Research Data
    open access

    This data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2018. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic  and potentially pathogenic fungi and bacteria. The collected...

  • Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2016

    Open Research Data
    open access

    The data collection contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland). The Gdańsk Szadółki Landfill is one of the biggest of facilities of this type in the country. It occupies an area of 75 hectares and serves around 500 thousand of local residents. The landfill receives around 250 million...

  • Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2017

    Open Research Data
    open access

    This data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2017. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic  and potentially pathogenic fungi and bacteria. The collected...

  • Microorganisms in the air within the Gdańsk-Szadółki landfill and adjacent area in 2019

    Open Research Data
    open access

    This data set contains the results of microbiological examination of air samples collected at Gdańsk Szadółki Landfill (Poland) in 2019. The range of examination included qualitative and quantitative assesment of selected species of bacteria and mold fungi, with particular focus on pathogenic  and potentially pathogenic fungi and bacteria. The collected...

  • Bacteria in water and bottom sediments in Puck Bay area (Baltic Sea)

    Open Research Data
    open access

    The samples for testing were collected from 5th of November 2007 to 14th of December 2007. In total, there were 147 samples collected from 30 sites, including 57 water samples and 90 sediment samples. Water was sampled from the surface and directly above the layer of bottom sediment. Sediments, regardless of length of the sample core were sampled from...

  • Bacteriological monitoring of coastal sea waters – Gulf of Gdańsk (Baltic Sea) in 2009

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physicochemical studies of Gdansk Bay coastal waters within the administrative boundaries of Gdańsk city in 2009. The examined material consisted of water samples collected from 15 sampling points. The aim of this study was to determine the number of Escherichia coli and the number of intestinal...

  • The results of physico – chemical and microbiological testing of watercourses around the municipality of Gdańsk in 2009

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2009. The examined material consisted of water samples collected from 16 watercourses within the administrative boundaries of Gdańsk, Poland.

  • The results of physico – chemical and microbiological testing of watercourses around the municipality of Gdańsk in 2011

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2011. The examined material consisted of water samples collected from 16 watercourses within the administrative boundaries of Gdańsk, Poland.

  • The results of physico – chemical and microbiological testing of watercourses around the municipality of Gdańsk in 2009

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2009. The examined material consisted of water samples collected from 16 watercourses within the administrative boundaries of Gdańsk, Poland.

  • Bacteriological and physicochemical monitoring of inland surface waters within the administrative boundaries of Gdańsk city in 2010

    Open Research Data
    open access

    The dataset containst the results of a bacteriological and physico-chemical study of inland surface waters within the administrative boundaries of Gdańsk city in 2010.The examined material consisted of water samples collected from four lakes located within the administrative boundaries of Gdańsk, Poland.

  • Bacteriological monitoring of coastal sea waters – Gulf of Gdańsk (Baltic Sea) in 2010

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physicochemical studies of Gdansk Bay coastal waters within the administrative boundaries of Gdańsk city in 2010. The examined material consisted of water samples collected from 15 sampling points. The aim of this study was to determine the number of Escherichia coli and the number of intestinal...

  • The results of physico – chemical and microbiological testing of watercourses around the municipality of Gdańsk in 2010

    Open Research Data
    open access

    The dataset contains the results of a bacteriological and physico-chemical study of watercourses waters within the administrative boundaries of Gdańsk city in 2010. The examined material consisted of water samples collected from 16 watercourses within the administrative boundaries of Gdańsk, Poland.

  • Bacteriological and physicochemical monitoring of inland surface waters within the administrative boundaries of Gdańsk City in 2008

    Open Research Data
    open access

    The dataset containst the results of a bacteriological and physico-chemical study of inland surface waters within the administrative boundaries of Gdańsk city in 2008. The examined material consisted of water samples collected from four lakes located within the administrative boundaries of Gdańsk, Poland.