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Wyniki wyszukiwania dla: CPT PROBE
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People with diabetes need a lower cut-off than others for depression screening with PHQ-9
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Ultra-stable sandwich shaped flexible MXene/CNT@Ni films for high performance supercapacitor
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Reduction of Conducted Emissions Generated by WPT Systems with Multilevel Inverters using Spread Spectrum Approach
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The Influence of the Depth of Cut in Single-Pass Grinding on the Microstructure and Properties of the C45 Steel Surface Layer
PublikacjaThe paper contains the results of a metallographic examination and nanoindentation test conducted for the medium carbon structural steel with low content of Mn, Si, Cu, Cr, and Ni after its grinding to a depth ranging from 2 μm to 20 μm, at constant cutting speed (peripheral speed) of vs = 25 ms−1 and constant feed rate of vft = 1 m/min. Applied grinding parameters did not cause the surface layer hardening, which could generate...
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Theoretical and Actual Feed Per Tooth During Wood Sawing on an Optimizing Cross-Cut Saw
PublikacjaThe work presents the geometries of circular saw teeth, whose task is to divide the cross-cut of the cutting layer. For efficient machining on a cross-cut saw with high feed speed values (about 1 ms−1) maximal theoretical feeds per tooth are determined. These values were compared with the actual values determined during transverse cutting of pine wood on a special test stands in industrial conditions. In the experiment the rotational...
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Parallelization of Selected Algorithms on Multi-core CPUs, a Cluster and in a Hybrid CPU+Xeon Phi Environment
PublikacjaIn the paper we present parallel implementations as well as execution times and speed-ups of three different algorithms run in various environments such as on a workstation with multi-core CPUs and a cluster. The parallel codes, implementing the master-slave model in C+MPI, differ in computation to communication ratios. The considered problems include: a genetic algorithm with various ratios of master processing time to communication...
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Are creative users more apt in reusing and adopting Open Government Data (OGD)? Gender differences
PublikacjaOpen Government Data (OGD) has been considered as a potent instrument for value creation and innovation by a range of stakeholders. Given that individual ingenuity is a function of individual and environmental factors, it is important to understand how the OGD adoption and usage is a factor of creative performance behaviors (CPB), viz., Problem Identification (PI), Information Search (IS), Idea Generation (IG) and Idea Promotion...
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Oszacowanie kąta tarcia wewnętrznego piasków morskich na podstawie sondowań statycznych metodą CPTU
PublikacjaOszacowanie kąta tarcia wewnętrznego piasków na Wybrzeżu Bałtyku w gruntach normalnie skonsolidowanych i prekonsolidowanych, starych złożach i refulatach. Porównanie tych wartości z wynikami badań w aparacie trójosiowego ściskania.Dobór odpowiednich zależności korelacyjnych między wynikami badań laboratoryjnych i terenowych.
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Negocjacyjna metoda generowania protokołu uzgodnień na platformie EBXML
PublikacjaCelem standardu ebXML jest ustanowienie globalnej platformy dla biznesu elektronicznego, umożliwiającej dowolnym przedsiębiorstwom( bez względu na ich wielkość i lokalizację)poszukiwanie partnerów handlowych i realizowanie transakcji kupna-sprzedaży w oparciu o wymianę dokumentów elektronicznych o strukturze logicznej opisanej w XML.Podstawą do nawiązania kontaktu przez dowolny podmiot jest publikowany przez niego w specjalnym...
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N-doped carbon nanospheres as selective fluorescent probes for mercury detection in contaminated aqueous media: chemistry, fluorescence probing, cell line patterning, and liver tissue interaction
PublikacjaA precise nano-scale biosensor was developed here to detect Hg2+ in aqueous media. Nitrogen-doped carbon nanospheres (NCS) created from the pyrolysis of melamine–formaldehyde resin were characterized by FESEM, XRD, Raman spectra, EDS, PL, UV–vis spectra, and N2 adsorption–desorption, and were used as a highly selective and sensitive probe for detecting Hg2+ in aqueous media. The sensitivity of NCS to Hg2+ was evaluated by photoluminescence...
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Dynamical properties of ordered Fe–Pt alloys
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Dynamics and stability of icosahedral Fe–Pt nanoparticles
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Prezentacja działania performance pt. Wstydzę się
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Prezentacja pracy wideo pt: Turkusowy pokój
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Laser microbeam CT scanning of dosimetry gels
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Pt-rich intermetallic APt8P2 (A = Ca and La)
PublikacjaThe combination of experimental and theoretical investigation of two new Pt-rich intermetallic compounds: APt8P2 (A = Ca and La) is presented, including solid-state synthesis, crystal structure determination, physical properties characterization and chemical bonding analysis. APt8P2 was obtained through the high-temperature pellet synthesis. According to both single crystal and powder X-ray diffraction results, APt8P2 crystallize...
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obraz olejny pt. Piknik pod Grunwaldem
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Wystawa pt. "architektura natury | natura architektury"
PublikacjaWystawa dokumentuje ostatni etap działania, którego tematem było uczestnictwo architekta w cyklu życia natury. Twórca czerpie z przyrody inspiracje, kreuje abstrakcyjną ideę, nadaje jej materialną formę sięgając po plastyczną skałę, by ostatecznie przywrócić ją przyrodzie. Fotografie zapisały zaskakujące piękno niepozornych obiektów, które po chwili zniknęły z krajobrazu. Użyliśmy gliny wydobytej na polu w Piotrowie, gliniane byty...
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Improved performance in lithium ion battery of CNT-Fe3O4@graphene induced by three-dimensional structured construction
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Physical modeling in sands in a wide range of stress level: Application to the calibration of CPTU i DMT tests.
PublikacjaPraca dotyczy badań modelowych w gruntach niespoistych ze szczególnym uwzględnieniem wpływu wysokiego poziomu naprężenia na zachowanie się podłoża gruntowego. Praca składa się z siedmiu rozdziałów. W pierwszym z nich opisano zachowanie się piasku w szerokim zakresie naprężeń z uwzględnieniem ściśliwości, kruszenia się ziaren, nieliniowości obwiedni zniszczenia oraz nieliniowości modułu odkształcenia związanych z poziomem naprężenia...
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Distribution of red wood ants (Hymenoptera: Formicidae) in the clear-cut areas of a managed forest in Western Poland
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Klasyfikacja piasków zgodnie z nową normą ISO na podstawie badań sondą statyczną CPTU
PublikacjaArtykuł przedstawia problematykę klasyfikacji piasków - zgodnie z nową normą europejską PN-EN ISO 14688:2006 - na podstawie badań sondą statyczną CPTU. Autorzy przedstawili wyniki korelacji ponad 400 badań sondą statyczną z odwiertami geotechnicznymi i badaniami laboratoryjnymi oraz przedstawili wnioski z badań.
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Investigation of Parallel Data Processing Using Hybrid High Performance CPU + GPU Systems and CUDA Streams
PublikacjaThe paper investigates parallel data processing in a hybrid CPU+GPU(s) system using multiple CUDA streams for overlapping communication and computations. This is crucial for efficient processing of data, in particular incoming data stream processing that would naturally be forwarded using multiple CUDA streams to GPUs. Performance is evaluated for various compute time to host-device communication time ratios, numbers of CUDA streams,...
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Analiza kosztów i czasu budowy domu jednorodzinnego w technologii drewna krzyżowo klejonego CLT
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Synergy of the Plastic Treatment HPT and Shot Peening in Aluminium Alloy Al-Mg-Mn-Sc-Zr
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Preliminary study of linear viscoelasticity limits of cold recycled mixtures determined in Simple Performance Tester (SPT)
PublikacjaThe publication presents methodology developed for determination of linear viscoelasticity limits for cold recycled mixtures with cement and bituminous emulsion using Simple Performance Tester (SPT). Methodology was verified on reference materials (PCV and steel dummy specimens, cement concrete and asphalt concrete) to comply with elasticity and viscoelasticity theory. The developed methodology enabled determination of linear viscoelasticity...
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Efficient parallel implementation of crowd simulation using a hybrid CPU+GPU high performance computing system
PublikacjaIn the paper we present a modern efficient parallel OpenMP+CUDA implementation of crowd simulation for hybrid CPU+GPU systems and demonstrate its higher performance over CPU-only and GPU-only implementations for several problem sizes including 10 000, 50 000, 100 000, 500 000 and 1 000 000 agents. We show how performance varies for various tile sizes and what CPU–GPU load balancing settings shall be preferred for various domain...
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The effect of imidazolium ionic liquid on the morphology of Pt nanoparticles deposited on the surface of SrTiO3 and photoactivity of Pt–SrTiO3 composite in the H2 generation reaction
PublikacjaPhotocatalytic water splitting has great potential in solar-hydrogen production as a low-cost and environmentally friendly method. Different unique techniques used to obtain photocatalysts with various modifications to improve H2 generation have been introduced. In the present work, SrTiO3 was successfully synthesized via the solvothermal method in the presence of ionic liquid (IL) - 1-butyl-3-methylimidazolium bromide ([BMIM][Br])...
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Effect of Double-Slope Modulation Signals on Conducted Emissions and Efficiency of Strongly Coupled Magnetic Resonance WPT Systems
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Cut-off points for Polish-language versions of depression screening tools among patients with Type 2 diabetes
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Auto-tuning methodology for configuration and application parameters of hybrid CPU + GPU parallel systems based on expert knowledge
PublikacjaAuto-tuning of configuration and application param- eters allows to achieve significant performance gains in many contemporary compute-intensive applications. Feasible search spaces of parameters tend to become too big to allow for exhaustive search in the auto-tuning process. Expert knowledge about the utilized computing systems becomes useful to prune the search space and new methodologies are needed in the face of emerging heterogeneous...
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Proposal of New Tracer Concentration Model in Lung PCT Study Comparison with Commonly Used Gamma-variate Model
PublikacjaPerfusion computed tomography (pCT) is one of the methods that enable non-invasive imaging of the hemodynamics of organs and tissues. On the basis of pCT measurements, perfusion parameters such as blood flow (BF), blood volume (BV), mean transit time (MTT) and permeability surface (PS) are calculated and then used for quantitative evaluation of the tissue condition. To calculate perfusion parameters it is necessary to approximate...
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Water treatment by H2O2 and/or UV affects carbon nanotube (CNT) properties and fate in water and tannic acid solution
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Prezentacja dzieła artystycznego pt. Tęsknię za Tobą,
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pt. „PRZYSTANEK OD ZGIEŁKU MIASTA # Gdańsk-Letnica”
Publikacjaplakat promujący wystawę pt. „PRZYSTANEK OD ZGIEŁKU MIASTA # Gdańsk-Letnica” w mediach społecznościowych oraz fizycznie w siedzibie GAK Gama w Gdańsku-Letnicy
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Radiosensitization of DNA in presence of Pt(II)-based compounds
PublikacjaX-ray irradiation of plasmid DNA in presence of platinum (II)-based compounds was carried out in order to assess the radiosensitization capabilities of these drugs. In present investigations pBR322 plasmid DNA was used to monitor the effectiveness of chosen compounds in inducing strand breaks. Samples were incubated in the presence of potential radiosensitisers: platinum (II) bromide and cis-diamminedibromoplatinum (II). The results...
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obraz olejny pt. 0:0 7/10
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obraz olejny pt. Wzór na podłodze (gwiazdy)
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Synthesis, Chemical Characterization and Multiscale Biological Evaluation of a dimericcRGD Peptide for Targeted Imaging of αVβ3 Integrin Activity
PublikacjaCyclic peptides containing the Arg-Gly-Asp (RGD) sequence have been shown to specifically bind the angiogenesis biomarker α V β3 integrin. We report the synthesis, chemical characterization, and biological evaluation of two novel dimeric cyclic RGD-based molecular probes for the targeted imaging of α V β3 activity (a radiolabeled version, 64Cu-NOTA-PEG4-cRGD2, for PET imaging, and a fluorescent version, FITC-PEG4-cRGD2, for in...
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MRM–MS of marker peptides and their abundance as a tool for authentication of meat species and meat cuts in single-cut meat products
PublikacjaThe abundance of protein markers in different types of meat cuts was explored in the context of authentication of raw meat (pork, beef and chicken) and processed meat products. Peptides originating from myoglobin (Mb) and myosin (My) were analyzed using multiple reaction monitoring mass spectrometry (MRM–MS). Analytical protocol was optimized for good repeatability (CV < 10%) and high sensitivity. The MS signal intensity of Mb...
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Tuning a Hybrid GPU-CPU V-Cycle Multilevel Preconditioner for Solving Large Real and Complex Systems of FEM Equations
PublikacjaThis letter presents techniques for tuning an accelerated preconditioned conjugate gradient solver with a multilevel preconditioner. The solver is optimized for a fast solution of sparse systems of equations arising in computational electromagnetics in a finite element method using higher-order elements. The goal of the tuning is to increase the throughput while at the same time reducing the memory requirements in order to allow...
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High-temperature Corrosion of ~ 30 Pct Porous FeCr Stainless Steels in Air: Long-Term Evaluation Up to Breakaway
PublikacjaIn this work, a long-term (up to 6000 hours) corrosion evaluation of three porous (~ 30 pct of initial porosity) ferritic iron-chromium alloys with different Cr contents (20, 22, and 27 wt pct of Cr) was carried out at 600 C, 700 C, 800 C, and 900 C in air. Mass gain measurements and SEM analyses revealed that at temperatures above 600 C, all alloys exhibit breakaway corrosion, whereas at 600 C, none of the alloys were heavily...
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A new synthetic entry to phosphinophosphinidene complexes. Synthesis and structural characterisation of the first side-on bonded and the first terminally bonded phosphinophosphinidene zirconium complexes[mu-(1,2:2-eta-tBu2PLP){Zr(Cl)Cp2}2] and [{Zr(PPhMe2)Cp2}(eta^1^-P-P-tBu2)].
PublikacjaPodano nową metodę syntezy kompleksów fosfinofosfinidenowych polegającą na reakcji dichlorku cyrkonocenu z solą litową difosfanu t-Bu2P-P(SiMe3)Li. Otrzymano pierwsze kompleksy fosfanofosfinidenowe cyrkonu z ligandem związanym w sposób boczny i ligandem związanym terminalnie.
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Metrology CT technology and its applications in the precision engineering industry
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obraz olejny pt. Muzeum Sztuki Nowoczesnej w Warszawie
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Properties of electrode modified with poly(3,4-ethylenedioxytiophene) and Pt particles.
PublikacjaWłaściwości warstw polimerowych poli(3,4-etylenodioksytiofenu)z cząstkami platyny zbadano pod względem zastosowania do reakcji utlenienia związków organicznych. Stwierdzono, bez wnikania w mechanizmy i kinetykę reakcji, że właściwości fizyczne jak i chemiczne (zdolność do katalizowania reakcji utlenienia alkoholi) zależą od materiału podłoża: Pt, węgiel szklisty, tytan, złoto.
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Corrigendum to “Binding energies of Eu2+ and Eu3+ ions in β-Ca2SiO4 doped with europium” [Opt. Mater. 35 (2013) 2107–2114]
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A Method of Reducing the Exhaust Emissions from DI Diesel Engines by the Introduction of a Fuel Cut Off System During Cold Start
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Theoretical Encapsulation of Fluorouracil (5-FU) Anti-Cancer Chemotherapy Drug into Carbon Nanotubes (CNT) and Boron Nitride Nanotubes (BNNT)
PublikacjaIntroduction: Chemotherapy with anti-cancer drugs is considered the most common approach for killing cancer cells in the human body. However, some barriers such as toxicity and side effects would limit its usage. In this regard, nano-based drug delivery systems have emerged as cost-effective and efficient for sustained and targeted drug delivery. Nanotubes such as carbon nanotubes (CNT) and boron nitride nanotubes (BNNT) are promising...
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A Dirac delta-type orthogonality relation for the on-the-cut generalized associated Legendre functions of the first kind with imaginary second upper indices
PublikacjaThe orthogonality relation for the on-the-cut generalized associated Legendre functions of the first kind with imaginary second upper indices is evaluated in a closed form. It is found to be proportional to a sum of two terms, both depending on the second upper indices and containing the Dirac delta distribution.