Wyniki wyszukiwania dla: METAL RE-DISTRIBUTION

• Nowe potrójne związki w układzie RE2TGe3 (RE – ziemia rzadka, T – metal przejściowy)

  Publikacja

  • L. Litzbarski

  - Rok 2022

  Celem niniejszej pracy była synteza nowych związków międzymetalicznych z rodziny RE2TGe3, gdzie RE to metale ziem rzadkich, a T to metal przejściowy (Pd, Pt). Dokonano tego stosując metodę topienia w łuku elektrycznym. Za pomocą proszkowej dyfrakcji rentgenowskiej ustalono, że udało się otrzymać następujące materiały: Pr2Pd1.15Ge2.85, Sm2PdGe3, Tb2Pd1.25Ge2.85, Dy2Pd1.25Ge2.85, Ho2Pd1.3Ge2.7, Ce2Pt0.9Ge3.1, Pr2Pt1.15Ge2.85, Nd2PtGe3,...

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• Relationship between heavy metal distribution in sediment samples and their ecotoxicity by the use of the Hasse diagram technique

  Publikacja

  • S. Tsakovski
  • B. Kudłak
  • V. Simeonov
  • L. Wolska
  • G. Garcia
  • J. Namieśnik

  - ANALYTICA CHIMICA ACTA - Rok 2012

  Opisane badania wskazują, że istnieje nowe podejście oszacowywania ryzyka zanieczyszczenia określonych przedziałów środowiska morskiego dzięki równoczesnemu monitorowaniu zawartości metali ciężkich i parametrów ekotoksykologicznych. Rutynowe podejście stosuje oddzielnie wskaźniki zawartości metali ciężkich i wskaźniki ekotoksykologiczne w celu wykrycia zależności między poziomami zawartości metali ciężkich a mierzalnymi parametrami...

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• Heavy metal accumulation and distribution in Phragmites australis seedlings tissues originating from natural and urban catchment

  Publikacja

  • N. Nawrot
  • E. Wojciechowska
  • K. Matej-Łukowicz
  • J. Walkusz-miotk
  • K. Pazdro

  - ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH - Rok 2021

  The retention of heavy metal (HM) was studied in root and rhizomes (BLG), stems (ST), and leaves (LF) of Phragmites australis (common reed) seedlings collected from different locations, differing in the scale of anthropogenic interference. The analysis includes the reference samples of sediments in uncontaminated lake Garczonki and contaminated roadside ditch in Cieplewo. The concentrations of Zn, Cu, Pb, Cd, Ni, and Cr were analyzed...

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• The effect of calcination temperature on structure and photocatalytic properties of Au/Pd nanoparticles supported on TiO2

  Publikacja

  • A. Malankowska
  • J. B. Priebe
  • M. Pohl
  • J. W. Sobczak
  • M. Schneider
  • A. Zielińska-Jurek
  • A. Bruckner
  • A. Zaleska-Medynska

  - APPLIED CATALYSIS B-ENVIRONMENTAL - Rok 2014

  Bimetallic nanoparticles, composed of two different metal elements, can exhibit peculiar electronic, optical, and catalytic or photocatalytic properties that are absent in the corresponding monometallic nanoparticles. We show the effect of calcination temperature (from 350 to 700°C) on the structure and the photocatalytic properties of Au/Pd-modified TiO2. The composition of the bimetallic Au/Pd nanoparticles in relation to their...

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• Au-RE-TiO2 nanocomposites: Surface characteristics and photoactivity

  Publikacja

  • A. Krukowska
  • J. Reszczyńska
  • A. Zaleska-Medynska

  - Physicochemical Problems of Mineral Processing - Rok 2014

  The photocatalysts based on TiO2 co-doped with rare earth metal (RE) and gold nanoparticles have been prepared using a sol-gel method and followed by gold reduction. Specific surface areas of the modified photocatalysts were calculated by the Brunauer-Emmett-Teller method (BET). Diffuse reflectance spectra of the obtained photocatalysts were recorded in a UV-Vis spectrophotometer (DRS UV-Vis). The influence of the type of rare...

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• Agnieszka Jeske-Kaczanowska Dr inż

  Osoby

• Evolution of Physical Properties of RE 3 Ni 5 Al 19 Family (RE = Y, Nd, Sm, Gd, Tb, Dy, Ho, and Er)

  Publikacja

  • Z. Ryżyńska
  • M. Marshall
  • W. Xie
  • T. Klimczuk
  • M. J. Winiarski

  - CRYSTAL RESEARCH AND TECHNOLOGY - Rok 2023

  Single crystals of RE3Ni5Al19 series (RE = Y, Nd, Sm, Gd, Tb, Dy, Ho, and Er) are grown using the Al self-flux method. The crystal structure is examined by both single crystal and powder X-ray diffraction. Physical properties are studied for the first time for RE3Ni5Al19 (RE = Y, Nd, Gd, Tb, Dy, Ho, and Er) by means of magnetic susceptibility, electrical resistivity, and heat capacity measurements. Complex magnetic behaviors, with...

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• Nicole Nawrot dr inż.

  Osoby

  Katedra Inżynierii Sanitarnej

  Dr inż. Nicole Nawrot jest zatrudniona w Katedrze Inżynierii Sanitarnej od 2016 roku. W 2021 uzyskała tytuł naukowy doktora z wyróżnieniem w dziedzinie nauk inżynieryjno-technicznych w dyscyplinie inżynieria środowiska, górnictwo i energetyka. Pracę doktorską pt. „Heavy metals in urban retention tanks bottom sediments: distribution, source tracking, and evaluation of phytostabilisation adaptability and performance of P. australis...

• Lanthanide co-doped TiO2: the effect of metal type and amount on surface properties and photocatalytic activity

  Publikacja

  • J. Reszczyńska
  • T. Grzyb
  • J. W. Sobczak
  • W. Lisowski
  • M. Gazda
  • B. Ohtani
  • A. Zaleska-Medynska

  - APPLIED SURFACE SCIENCE - Rok 2014

  Preparation of new rare earth metal-containing TiO2 nanocomposites (Nd3+/Er3+, Nd3+/Eu3+, Eu3+/Ho3+-TiO2) using sol–gel route and their photoactivity under visible and ultraviolet light is reported. The obtained photocatalysts were subsequently characterized by Brunauer–Emmett–Teller (BET) method, UV–Vis diffuse-reflectance spectroscopy (DRS), luminescence spectroscopy, X-ray photoelectron spectroscopy (XPS) and X-ray powder diffraction...

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• Synthesis and characterization of ruthenium and rhenium dyes with phosphonate anchoring groups

  Publikacja

  • M. Braumüller
  • M. Schulz
  • M. Staniszewska
  • D. Sorsche
  • M. Wunderlin
  • J. Popp
  • J. Guthmuller
  • B. Dietzek
  • S. Rau

  - DALTON TRANSACTIONS - Rok 2016

  Re(L1)–Re(L3), a series of rhenium(I) tricarbonyl chloride complexes with bpy-R2 derivatives L1–L3 (bpy = 2,2′-bipyridine, R represents the substitution at the 4- and 4′-positions), and their corresponding trishomoleptic Ru(L1)3–Ru(L3)3 as well as heteroleptic ruthenium(II) complexes Ru(tbbpy)2(L1) and Ru(tbbpy)2(L2) have been synthesized and characterized. Their applicability as immobilizable metal–organic chromophores in solar...

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• Monometallic nanoparticles decorated and rare earth ions doped KTaO3/K2Ta2O6 photocatalysts with enhanced pollutant decomposition and improved H2 generation

  Publikacja

  • A. Krukowska
  • G. Trykowski
  • W. Lisowski
  • T. Klimczuk
  • M. J. Winiarski
  • A. Zaleska-Medynska

  - JOURNAL OF CATALYSIS - Rok 2018

  New, monometallic nanoparticles (MNPs) decorated surface and rare earth (RE) ions doped lattice of perovskite-type (KTaO3)/pyrochlore-type (K2Ta2O6) photocatalysts were successfully prepared by facile hydrothermal incorporation of RE ions into KTaO3/K2Ta2O6 lattices followed by photodeposition of MNPs. The impact of noble metal type (MNPs = Au, Pt, Rh) and rare earth dopant type (RE = Er, Pr) on the physicochemical properties correlated...

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• SEM/EDX data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe

  Dane Badawcze

  open access

  • B. Kamecki
  • J. Karczewski
  • P. Jasiński
  • S. Molin

  - seria: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique

  This Data set include SEM and EDX results of (Mn,Co,Fe,Ni,Cr)3O4 high-entropy spinel oxide prepared in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers were characterised after exposure to temperatures in the range of 400–900 ◦C. The as-deposited layers were amorphous,...

• TEM data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe

  Dane Badawcze

  open access

  • B. Kamecki
  • J. Karczewski
  • G. Cempura
  • P. Jasiński
  • S. Molin

  - seria: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique

  This Dataset include presentation of summarized TEM investigation of (Mn,Co,Fe,Ni,Cr)3O4 high-entropy spinel oxide prepared in the form of a ~ 500 nm thin film utilising a facile spray pyrolysis technique. The structural and electrical properties of the layers were characterised after exposure to temperatures in the range of 400–900 ◦C. The as-deposited...

• Total electrical conductivity data of (Cr,Fe,Mn,Co,Ni)3O4 High-entropy spinel oxide thin films deposited on amorphous SiO2 substrate by spray pyrolysis techniqe

  Dane Badawcze

  open access

  • B. Kamecki
  • S. Molin
  • P. Jasiński
  • J. Karczewski

  - seria: Evaluation of structural and electrical properties of multicomponent spinel oxide thin films deposited via spray pyrolysis technique

  This dataset includes electrical conductivity measurements results measured by van der pauw technique up to 900oC.

• Chromium‑based metal organic framework for pipette tip micro‑solid phase extraction: an effective approach for determination of methyl and propyl parabens in wastewater and shampoo samples

  Publikacja

  • M. Kaykhaii
  • S. H. Hashemi
  • F. Andarz
  • A. Piri
  • G. Sargazi

  - BMC Chemistry - Rok 2021

  Abstract Background A chromium-based metal organic framework was synthesized and employed as an efficient sorbent for pipette tip micro-solid phase extraction and preconcentration of parabens from wastewater and shampoo samples up to sub-ppb level before their spectrophotometric analysis. Results Factors affecting preconcentration including volume and type of solvent, amount of sorbent, number of extraction, and volume and pH of...

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• Visible light activity of rare earth metal doped (Er3+, Yb3+ or Er3+/Yb3+) titania photocatalysts

  Publikacja

  • J. Reszczyńska
  • T. Grzyb
  • J. W. Sobczak
  • W. Lisowski
  • M. Gazda
  • B. Ohtani
  • A. Zaleska-Medynska

  - APPLIED CATALYSIS B-ENVIRONMENTAL - Rok 2015

  A series of Er3+-TiO2, Yb3+-TiO2 and Er3+/Yb3+-TiO2 photocatalysts were obtained via sol-gel method, using rare earth metal (RE) precursor ranging from 0.25 to 10 mol%. The experiments demonstrated that phenol in aqueous solutions was successfully degraded under visible light (> 450 nm) using RE3+-TiO2. The as-prepared samples were characterized by X-ray diffraction (XRD), X-ray photoelectron emission spectroscopy (XPS), UV-Vis...

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• Two-step synthesis of niobium doped Na–Ca–(Mg)–P–Si–O glasses

  Publikacja

  • N. A. Wójcik
  • S. Ali
  • A. D. Mielewczyk-Gryń
  • B. Jonson

  - JOURNAL OF MATERIALS SCIENCE - Rok 2021

  Niobium doped biosolubility glasses in the Na–Ca–(Mg)–P–Si–O system were prepared by using an untypical two-step synthesis route. The parent glass was melted in air atmosphere at 1350 °C followed by re-melting the glass in Nb crucible with the addition of metallic Mg/Ca powder in the nitrogen atmosphere. The second melting step was carried out at 1450–1650 °C, using an induction furnace. The topography and structure of the obtained...

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• Przykłady realizacji i interpretacji wyników sondażowych pomiarów terenowych w czynnych systemach wodociągowych

  Publikacja

  • M. Kulbik

  - Rok 2018

  W pracy przedstawiono przebieg realizacji i rezultaty sondażowych pomiarów terenowych w trzech układach dystrybucji wody o zróżnicowanym przewymiarowaniu sieci wodociągowej. Pomiary przeprowadzono w dążeniu do identyfikacji właściwości (cech) strukturalnych i funkcjonalnych układów po wieloletniej ich eksploatacji. Ustalenia te determinują opracowanie programu realizacji pomiarów dla potrzeb tarowania komputerowego modelu przepływu...

• Ag/Pt-modified TiO2 nanoparticles for toluene photooxidation in the gas phase

  Publikacja

  • A. Zielińska-Jurek
  • A. Zaleska-Medynska

  - CATALYSIS TODAY - Rok 2014

  Ag/Pt-modified TiO2nanocomposites were synthesized using the sol–gel method. The effect of metal typeand amount as well as synthesis route on the photocatalytic activity in reaction of toluene removal, usedas a model volatile organic compound, was investigated. Toluene, at the concentration of about 200 ppm,was irradiated over modified TiO2using light-emitting diodes (LEDs, max= 415 nm). The results showedthat toluene could be...

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• The (Bi,Pb)4Sr3Ca3Cu4Ox glass-ceramics: disordered metal and superconductor

  Publikacja

  • M. Gazda

  - JOURNAL OF NON-CRYSTALLINE SOLIDS - Rok 2006

  Amorficzny materiał (Bi,Pb)4Sr3Ca3Cu4Ox wygrzewany w odpowiednich warunkach staje się granulastym metalem i nadprzewodnikiem. Może być uważany za silnie nieuporządkowany metal. Ma duży opór i zazwyczaj ujemny współczynnik temperaturowej zależności oporu. Nieuporządkowanie i granulasty charakter materiału ujawnia się również w jego właściwościach nadprzewodzących.

• Badania stabilności biologicznej wody w wybranych systemach wodociągowych

  Publikacja

  • A. Sokołowska
  • K. Jankowska
  • E. Kulbat
  • K. Olańczuk-Neyman

  - OCHRONA ŚRODOWISKA - Rok 2015

  W pracy przedstawiono wyniki badań mikrobiologicznych wody powierzchniowej i wód podziemnych z rejonu Trójmiasta, które zasilają systemy dystrybucji charakteryzujące się nikim stosunkiem powierzchni kontaktu do objętości przesyłanej wody (≈0,65) w aspekcie ich stabilności biologicznej. Dokonano oceny skuteczności zastosowanych procesów uzdatniania w usuwaniu ogólnej liczby bakterii (OLB), a w badaniach laboratoryjnych określono...

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• FEM approach to estimate the behaviour of biocomposite metal-surface coating system

  Publikacja

  • S. Sobieszczyk
  • W. Wojnicz
  • B. Nowak

  - Advances in Materials Science - Rok 2008

  A three dimensional (3D) model of biocomposite metal-surface coating system, which is influenced byknown external forces, is proposed. This model consists of the metallic substrate (Ti6Al4V) and thehydroxyapatite (HA) coating. Using FEM (finite element method), strain-stress maps of model weregenerated for investigating relations between the extreme stress of HA coating and the magnitude ofexternal force and the thickness of the...

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• Theoretical Investigation of the Electron-Transfer Dynamics and Photodegradation Pathways in a Hydrogen-Evolving Ruthenium-Palladium Photocatalyst

  Publikacja

  • M. Staniszewska
  • S. Kupfer
  • J. Guthmuller

  - CHEMISTRY-A EUROPEAN JOURNAL - Rok 2018

  Time-dependent density functional theory calcula- tions combinedwith the Marcus theory of electron transfer (ET) were app lied on the molecular photocatalys t [(tbbpy) 2 Ru(tpph z)PdC l 2 ] 2 + in order to elucidate thelight-in- duced relaxation pathways populated upon excitation in the longer wavelength range of its absorption spectrum. The computational resultsshow that after the initial excitation, metal (Ru) to ligand (tpphz)chargetransfer...

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• Starch–metal complexes and metal compounds

  Publikacja

  • H. Staroszczyk
  • W. Ciesielski
  • P. Tomasik

  - JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE - Rok 2018

  Recently, metal derivatives of starch evoked considerable interest. Such metal derivatives can take a form of starch compounds bearing metal atoms and metal carrying moieties either covalently bound or complexed. Starch metal complexes may have a character of either Werner, inclusion, sorption or capillary complexes. In this publication, preparation, structure, properties and numerous current and potential applications of those...

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• (Bi,Pb)-Sr-Ca-Cu-O glass-ceramics - superconductor and granular metal

  Publikacja

  • M. Gazda
  • B. Kusz
  • L. Murawski
  • S. Stizza
  • R. Natali

  - OPTICA APPLICATA - Rok 2008

  W materiale o składzie (Bi,Pb)-Sr-Ca-Cu-O wskutek stosowania różnych warunków wytwarzania można otrzymać materiały o różnorodnych właściwościach. W efekcie wygrzewania materiał amorficzny częściowo krystalizuje. To powoduje wzrost rozmiaru i zawartości przewodzących i nadprzewodzących granul oraz zmniejszenie szerokości izolujących barier pomiędzy granulami. Zależność temperaturowa oporu słabo skrystalizowanego materiału jest funkcją...

• A Method of Object Re-identiciation Applicable to Multicamera Surveillance Systems

  Publikacja

  • K. Lisowski
  • A. Czyżewski

  - Rok 2017

  The paper addresses some challenges pertaining to the methods for tracking of objects in multi-camera systems. The tracking methods related to a single Field of Vision (FOV) are quite different from inter-camera tracking, especially in case of non-overlapping FOVs. In this case, the processing is directed to determine the probability of a particular object’s identity seen in a pair of cameras in the presence of places non-observed...

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• Natalia Anna Wójcik dr hab. inż.

  Osoby

  Instytut Nanotechnologii i Inżynierii Materiałowej

• From structures to landscapes – towards re-conceptualization of the urban condition

  Publikacja

  • L. Nyka

  - Rok 2017

  This paper presents an original approach towards the phenomena of re-naturalization of cities and indicates its possible consequences for the urban design and planning strategies. It focuses on the ongoing shift “from structures to landscapes” in understanding urban conditions. While modern architecture introduced geomet-ric compositions against the background of nature, early modern theories of architects and sociologists started...

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• From metal dithiocarbamates to metal sulfides

  Publikacja

  • K. Grabska
  • A. Mietlarek-Kropidłowska

  - Rok 2011

  Ligandy ditiokarbamianowe są szeroko stosowane w chemii koordynacyjnej. Układy zawierające metal mogą być z powodzeniem wykorzystane do otrzymania odpowiednich siarczków. W pracy przedstawiono syntezę, strukurę, właściwości, zastosowanie związków z tej grupy. Scharakteryzowano ich rozkład termiczny, jak równeiż zaprezentowano metody umożliwiające wykorzystanie ich jako pojedyncze prekursory molekularne

• Images re-vues

  Czasopisma

  ISSN: 1778-3801

• De Re Militari

  Czasopisma

  ISSN: 2392-3911

• A Triplet-Learnt Coarse-to-Fine Reranking for Vehicle Re-identification

  Publikacja

  • E. Katsaros

  - Rok 2020

  Vehicle re-identification refers to the task of matching the same query vehicle across non-overlapping cameras and diverse viewpoints. Research interest on the field emerged with intelligent transportation systems and the necessity for public security maintenance. Compared to person, vehicle re-identification is more intricate, facing the challenges of lower intra-class and higher inter-class similarities. Motivated by deep...

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• Piotr Jasiński prof. dr hab. inż.

  Osoby

  Katedra Inżynierii Materiałów Funkcjonalnych WETI

  Piotr Jasinski obtained MSc in electronics in 1992 from the Gdansk University of Technology (GUT), Poland. Working at GUT, he received PhD in 2000 and DSc in 2009. Between 2001 and 2004 Post Doctoral Fellow at Missouri University of Science and Technology, while between 2008 and 2010 an Assistant Research Professor. Currently is an Associate Professor at Gdansk University of Technology working in the field of electronics, biomedical...

• The degradation of metal implants

  Publikacja

  • B. Świeczko-Żurek
  • M. Krzemiński

  - Advances in Materials Science - Rok 2008

  The presence of metal implants in the human body causes some dangers, which result from introducing another object into organism. There may occur a biocorrosion, which causes different modifications of implant surface.

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• Seminarium dyplomowe [ZL][2023/24] S-RE

  Kursy Online

  • Z. Lubośny

• Selection of Visual Descriptors for the Purpose of Multi-camera Object Re-identification

  Publikacja

  • P. Dalka
  • D. Ellwart
  • G. Szwoch
  • K. Lisowski
  • P. Szczuko
  • A. Czyżewski

  - Rok 2014

  A comparative analysis of various visual descriptors is presented in this chapter. The descriptors utilize many aspects of image data: colour, texture, gradient, and statistical moments. The descriptor list is supplemented with local features calculated in close vicinity of key points found automatically in the image. The goal of the analysis is to find descriptors that are best suited for particular task, i.e. re-identification...

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• Accelerated Re-Design of Antenna Structures Using Sensitivity-Based Inverse Surrogates

  Publikacja

  • S. Kozieł
  • A. Bekasiewicz

  - IEEE Access - Rok 2020

  The paper proposes a novel framework for accelerated re-design (dimension scaling) of antenna structures using inverse surrogates. The major contribution of the work is a sensitivity-based model identification procedure, which permits a significant reduction of the number of reference designs required to render the surrogate. Rigorous formulation of the approach is supplemented by its comprehensive numerical validation using a...

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• Kinematyka jako odpowiedź na współczesną potrzebę tworzenia przestrzeni = KINEMATICS AS AN ANSWER TO THE CURRENT NEED TO CREATE A RE-CONFIGURABLE SPACE

  Publikacja

  • J. Cudzik

  - Rok 2014

  Przestrzeń re-konfigurowalna pojawiły się w sztuce i architekturze już w pierwszej połowie XX wieku jako forma odpowiedzi na na pytania, które stawia przed nią świat. Nasze życie i potrzeby zmieniają się niesamowicie dynamicznie. Postfordowski model społeczeństwa sprzyja generowaniu zjawisk, których jeszcze rok temu nie brano pod uwagę. Stąd architektura próbuje stanowić odpowiedź na problemy jeszcze niezaistniałe. Jedną z jej...

• Journal of Distribution Science

  Czasopisma

  ISSN: 1738-3110

• Phosphoroorganic Metal Complexes in Therapeutics

  Publikacja

  • S. Demkowicz
  • W. Kozak
  • M. Daśko
  • J. Rachoń

  - MINI-REVIEWS IN MEDICINAL CHEMISTRY - Rok 2016

  The present mini-review highlights recent developments on antitumor activity of metal-based therapeutics which have been a subject of researches for the last few decades. In 1965, Rosenberg found that during an electrolysis on platinum electrodes a complex of Pt is generated which inhibited to a great extent a binary fission in Escherichia coli bacteria. This discovery started a new chapter in medicinal chemistry and the interesting...

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• Metal nanoparticles-assisted early diagnosis of diseases

  Publikacja

  • M. Jouyandeh
  • S. M. Sajadi
  • F. Seidi
  • S. Habibzadeh
  • M. T. Munir
  • O. Abida
  • S. Ahmadi
  • D. Kowalkowska-Zedler
  • N. Rabiee
  • M. Rabiee... i 4 innych

  - OpenNano - Rok 2022

  Early diagnosis is essential for the effective illness treatment, but traditional diagnostic approaches inevitably have major downsides. Recent advancements in nanoparticle-based biosensors have created new opportunities for accelerating diagnosis. High surface area, exceptional sensitivity, high specificity, and optical characteristics of metal and metal oxide nanoparticles have made it possible to detect a variety of health conditions...

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• Superconductivity in Metal-Rich Chalcogenide Ta2Se

  Publikacja

  • X. Gui
  • K. Górnicka
  • Q. Chen
  • H. Zhou
  • T. Klimczuk
  • W. Xie

  - INORGANIC CHEMISTRY - Rok 2020

  The metal–metal bond in metal-rich chalcogenide is known to exhibit various structures and interesting physical properties. Ta2Se can be obtained by both arc-melting and solid-state pellet methods. Ta2Se crystallizes a layered tetragonal structure with space group P4/nmm (No. 129; Pearson symbol tP6). Each unit cell consists of four layers of body-centered close-packing Ta atoms sandwiched between two square nets of Se atoms, forming...

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• Effect of plasma sprayed and laser re-melted Al2O3 coatings on hardness and wear properties of stainless steel

  Publikacja

  • M. Szkodo
  • A. Bień
  • M. Antoszkiewicz

  - CERAMICS INTERNATIONAL - Rok 2016

  Commercially available austenic stainless steel substrate was coated with commercially available, raw Al2O3 powder applied by means of plasma spraying method and then re-melted with CO2 laser beam of various parameters. Tribological and mechanical properties of the 120 J/mm and 160 J/mm laser re-melted coatings were compared with the tribological and mechanical properties of the “as-sprayed” coating. The influence of the laser...

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• Thermochemistry of rare earth perovskites Na3xRE0.67−xTiO3 (RE = La, Ce)

  Publikacja

  • D. Feng
  • P. S. Maram
  • A. D. Mielewczyk-Gryń
  • A. Navrotsky

  - AMERICAN MINERALOGIST - Rok 2016

  High-temperature oxide melt solution calorimetry using sodium molybdate (3Na2O·4MoO3) solvent at 973 K was performed for the Na3xRE0.67−xTiO3 (RE = La, Ce) perovskite series. The enthalpies of formation of lanthanum perovskites from oxides (La2O3, Na2O, TiO2), are −107.25 ± 2.56, −93.83 ± 6.06, −80.68 ± 5.93, and −33.49 ± 4.26 kJ/mol and enthalpies of formation from elements are −1614.05 ± 5.37, −1596.44 ± 7.68, −1594.03 ± 7.58,...

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• Modelling of Objects Behaviour for Their Re-identification in Multi-camera Surveillance System Employing Particle Filters and Flow Graphs

  Publikacja

  • K. Lisowski
  • A. Czyżewski

  - Rok 2018

  An extension of the re-identification method of modeling objects behavior in muti-camera surveillance systems, related to adding a particle filter to the decision-making algorithm is covered by the paper. A variety of tracking methods related to a single FOV (Field of Vision) are known, proven to be quite different for inter-camera tracking, especially in case of non-overlapping FOVs. The re-identification methods refer to the...

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• Influence of sludge treatment processes on heavy metal speciation

  Publikacja

  • H. Obarska-Pempkowiak
  • M. Gajewska

  - Rok 2008

  Sludge composition is depending on sewage quality and also affected by processing methods such as thickening, stabilization and dewatering. During those processes some of sludge's undesirable properties might be reduced or enhanced.The objective of the study is the assessment of the influence of sludge processing on selected heavy metals partitioning between phases (aqueous and particle) and sludge. Sludge from the WWTP in Gdansk...

• Arctic catchment as a sensitive indicator of the environmental changes: distribution and migration of metals (Svalbard)

  Publikacja

  • K. Katarzyna
  • Ż. Polkowska
  • S. Łukasz
  • L. Bartłomiej
  • S. Chmiel
  • R. Marek
  • L. Dariusz
  • K. Kozioł
  • T. Stefan
  • S. Vasil
  • B. Luks

  - International Journal of Environmental Science and Technology - Rok 2016

  Arctic regions experience metal pollution, despite their remote location, and the distribution and migration of those metals determine their potential impact on the local environment. Here, a High-Arctic catchment (Revelva, Svalbard) located remotely from human-induced pollution sources is studied with respect to the distribution and migration of chosen trace elements (Ag, Al, As, B, Ba, Bi, Ca, Cd, Co, Cr, Cu, Cs, Mo, Ni, Pb,...

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• Recovery and re-use of photovoltaic solar cells from crystalline silicon

  Publikacja

  • P. Ostrowski

  - Rok 2010

  Crystalline silicon-type PV modules consist, in order of mass, of glass, an aluminium frame, an EVA coating, solar cells, a terminal box, back film and tapping screws. From the economic point of view, pure silicon, recoverable from spent cells, is the most important material owing to its cost and shortage. For crystalline, silicon-based PV cells, the following chemical treatments were performed: removal of the metal coating, followed...

• Bioaccumulation of metals in tissues of marine animals, Part II - metal concentrations in animal tissues

  Publikacja

  • A. Jakimska-Nagórska
  • P. Konieczka
  • K. Skóra
  • J. Namieśnik

  - POLISH JOURNAL OF ENVIRONMENTAL STUDIES - Rok 2011

  The bioaccumulation of metals in an animal depends on a multitude of factors: biotic ones, like its body dimensions and mass, age, sex, diet, metabolism and position in the trophic web, as well as abiotic ones such as the distribution of metals in its environment, the salinity, temperature and pH of the water, habitat type, interactions with other metals. But it is diet that has the greatest influence on the accumulation of metals...

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• Impact of probability distribution on the uncertainty of resistance measurement

  Publikacja

  • S. Szczesny
  • A. Golijanek-Jędrzejczyk
  • D. Świsulski

  - ITM Web of Conferences - Rok 2019

  The paper presents studies on the influence of probability distributions on the expanded uncertainty of the resistance measurement. Choosing the correct probability distribution is very important to estimate of measurement uncertainty. The paper presents the results of analysis of the resistance measurement uncertainty using the technical method of resistance: 100 G. The analysis of the uncertainty...

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