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Search results for: dali
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Role of Bacterial Consortium and Synthetic Surfactants in Promoting the Phytoremediation of Crude Oil-Contaminated Soil Using Brachiaria mutica
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Rozh Ali
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Ag modified ZnO microsphere synthesis for efficient sonophotocatalytic degradation of organic pollutants and CO2 conversion
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Self-compacting grout to produce two-stage concrete
PublicationTraditional concrete (TC) is primarily composed of a mixture of cement, fine and coarse aggregates, and water. TC is made by mixing together all the components before placing them. Using non-traditional concrete (two-stage concrete) to solve and to eliminate the problem of the aggregate segregation which appears in TC and in the self-compacting concrete. Two-stage concrete (TSC) consists of two main components, namely the grout...
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Aktywny wykład i small teaching – szkolenie certyfikowane
EventsSzkolenie trwa 4 godziny dydaktyczne i odbywa się w sali szkoleniowej 205 w gmachu głównym.
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Obrona pracy doktorskiej na WOiO
EventsObrona pracy doktorskiej na Wydziale Oceanotechniki i Okrętownictwa
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Rola nauczyciela w dobie dostępu do wiedzy i AI
EventsSzkolenie trwa 4 godziny dydaktyczne i odbywa się w sali szkoleniowej 205 w gmachu głównym.
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Aktywny wykład i small teaching
EventsSzkolenie trwa 4 godziny dydaktyczne i odbywa się w sali szkoleniowej 205 w gmachu głównym.
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Jak grupę zamienić w zespół – rola integracji w pracy metodą
EventsSzkolenie trwa 4 godziny dydaktyczne, odbywa się w sali szkoleniowej 205 w gmachu głównym.
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Antoni Taraszkiewicz prof. dr hab. inż. arch.
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Laboratorium Hydromechaniki
LaboratoriesBadania modelowe obiektów oceanotechnicznych
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MINIATURA 2 – warsztaty dla wnioskodawców
EventsDział Projektów PG zaprasza na szkolenie osoby zainteresowane aplikowaniem o środki finansowe w konkursie MINIATURA 2 ogłoszonym przez Narodowe Centrum Nauki.
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The phenomenology, socio-demographic, and clinical profile of substance abusers admitted to drug de-addiction unit at eradah and mental health hospital, taif, Saudi Arabia
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ANALYSIS OF THE PROJECT OF INNOVATIVE FLOATING TURBINE
PublicationThe design of a floating, innovative device for river water aeration and conversion of mechanical energy to electrical energy required the analysis of a number of geometrical and dynamic features. Such an analysis may be carried out on the basis of existing methods of numerical fluid mechanics. Models of pressures, forces and torques characteristic for the conversion of watercourse energy were developed for two basic concepts of...
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ChatGPT Application vis-a-vis Open Government Data (OGD): Capabilities, Public Values, Issues and a Research Agenda
PublicationAs a novel Artificial Intelligence (AI) application, ChatGPT holds pertinence not only for the academic, medicine, law, computing or other sectors, but also for the public sector-case in point being the Open Government Data (OGD) initiative. However, though there has been some limited (as this topic is quite new) research concerning the capabilities ChatGPT in these sectors, there has been no research about the capabilities it...
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Correlations of structural, thermal and electrical properties of sodium doped complex borophosphosilicate glass
PublicationBorophosphosilicate glasses with varying sodium ion concentrations were investigated for their, structural, thermal, and electrical properties. All the obtained glasses were transparent except the glass with the highest sodium content, which exhibited translucency due to inhomogeneities. Increasing sodium content led to reduced boron and silicon content while maintaining a constant B/Si ratio, indicating progressive depolymerization...
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DC and AC Conductivity, Biosolubility and Thermal Properties of Mg-Doped Na2O–CaO–P2O5 Glasses
PublicationBioactive glasses have recently been extensively used to replace, regenerate, and repair hard tissues in the human body because of their ability to bond with living tissue. In this work, the effects of replacing Na2O with MgO on the electrical, biosolubility, and thermal properties of the target glass 10Na2O–60P2O5–30CaO (in mol%) were investigated. The electrical properties of the glasses were studied with the impedance spectroscopy...
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Electrical properties of Na2O-CaO-P2O5 glasses doped with SiO2 and Si3N4
PublicationSodium-calcium-phosphate glasses doped with SiO2 or Si3N4 having similar sodium ion concentrations were prepared by melt quenching. The conductivity was measured by impedance spectroscopy under nitrogen atmosphere in a wide frequency range (10 mHz–1 MHz) and wide temperature range (153–473 K). At 36.6 °C, DC conductivities of all glasses vary between 1.1 ∗ 10−12 and 8.9 ∗ 10−12 S cm−1 and have similar activation energies (between...
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Curing epoxy resin with anhydride in the presence of halloysite nanotubes: the contradictory effects of filler concentration
PublicationEpoxy resins can be cured with a wide variety of curing agents such as amines and anhydrides, but anhydride curing would be more favorable for research purpose because of epoxy-anhydride curing taking place slowly at room temperature. Incorporation of natural nanosized minerals into epoxy is of environmental importance. Halloysite nanotubes (HNTs) display chemical properties similar to those of silica and alumina, and hydroxyl...
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Compositional characteristics of black-carbon and nanoparticles in air-conditioner dust from an inhabitable industrial metropolis
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Contrasting effects of operating conditions and biomass particle size on bulk characteristics and surface chemistry of rice husk derived-biochars
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Developmental selenium exposure and health risk in daily foodstuffs: A systematic review and meta-analysis
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Synergistic effects of low-/medium-vacuum carbonization on physico-chemical properties and stability characteristics of biochars
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Biomonitoring and health risks assessment of trace elements in various age- and gender-groups exposed to road dust in habitable urban-industrial areas of Hefei, China
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Bamboo-biochar and hydrothermally treated-coal mediated geochemical speciation, transformation and uptake of Cd, Cr, and Pb in a polymetal(iod)s-contaminated mine soil
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In situ synthesis of micro-plastics embedded sewage-sludge co-pyrolyzed biochar: Implications for the remediation of Cr and Pb availability and enzymatic activities from the contaminated soil
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Pollution characteristics and human health risks of potentially (eco)toxic elements (PTEs) in road dust from metropolitan area of Hefei, China
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Hydrothermal dewatering of low-rank coals: Influence on the properties and combustion characteristics of the solid products
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A comprehensive review on environmental transformation of selenium: recent advances and research perspectives
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Self-compacting grout to produce two-stage concrete
PublicationTraditional concrete (TC) is primarily composed...
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Curing epoxy with electrochemically synthesized Zn Fe3-O4 magnetic nanoparticles
PublicationCathodic electrodeposition (CED) was applied in synthesis of undoped and zinc (Zn) doped Fe3O4 nanoparticles. Changes in the lattice structure of nanoparticles were monitored using X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) supported by dispersive X-ray spectrometry (EDS), and vibrating sample magnetometry (VSM). Detailed analyses explored the formation of ZnxFe3–xO4 nanoparticles with x ≈ 0.1,...
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Doświadczalne i numeryczne badania propagacji fal elektromagnetycznych w zastosowaniu do diagnostyki konstrukcji żelbetowych i ceglanych metodą georadarową
PublicationNiniejsza praca dotyczy zagadnień propagacji fal elektromagnetycznych z ukierunkowaniem na diagnostykę nieniszczącą obiektów budowlanych. Głównym celem rozprawy było opracowanie procedur umożliwiających efektywniejsze wykorzystywanie metody georadarowej w ocenie stanu konstrukcji żelbetowych i ceglanych. Szczególną uwagę poświecono sposobom identyfikacji prędkości propagacji fali elektromagnetycznej na podstawie anomalii obserwowanych...
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Analytical progress on symmetric geometric discord: Measurement-based upper bounds
PublicationQuantum correlations may be measured by means of the distance of the state to the subclass ofstates having well defined classical properties. In particular, a geometric measure of asymmetricdiscord [Daki´c et al., Phys. Rev. Lett. 105, 190502 (2010)] was recently defined as the Hilbert-Schmidt distance of a given two-qubit state to the closest classical-quantum (CQ) correlated state.We analyze a geometric measure of symmetric...
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Sposób i układ do pomiaru ugięcia konstrukcji sztywnych, zwłaszcza pali lub ścian szczelnych, narażonych na boczne parcie gruntu i/lub materiałów rozdrobnionych
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Effect of alcohol consumption on the levels of volatile organohalogen compounds in blood and urine = Wpływ spożywania alkoholu na poziom lotnych związków chlorowcoorganicznych w krwi i moczu ludzkim
PublicationW pracy przedstawiono wyniki oznaczania lotnych związków chlorowcoorganicznych w próbkach moczu i krwi pochodzących od dawców w różny sposób narażonych na ekspozycje lotnych związków chlorowcoorgnicznych (styl życia: palenie papierosów, picie alkoholu, przyjmowanie lekarstw czy rodzaj wykonywanej pracy). Do izolacji i wzbogacania analitów z próbek moczu i krwi, wykorzystano technikę analizy fazy nadpowierzchniowej nad cienką warstwą...
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Volatile organohalogen compounds in human urine: the effect of environmental exposure
PublicationW pracy przedstawiono wyniki oznaczania lotnych związków chlorowcoorganicznych w próbkach moczu pochodzących m.in. od dawcow narazonych na kancerogeny w miejscu pracy i dawcow spozywajacych wode poddana procesowi uzdatniania przez chlorowanie. Do izolacji i wzbogacania analitów z moczu, posiadającego skomplikowaną matrycę, wykorzystano technikę analizy fazy nadpowierzchniowej nad cienką warstwą cieczy z samoczynną generacją ciekłego...
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Investigation of stability of aqueous solutions containing trace amounts of volatile organic analytes
PublicationOznaczając lotne związki chlorowcoorganiczne w matrycy wodnej należy uwzględnić specyficzne właściwości, którymi charakteryzują się te związki, a mianowicie:- niska temperatura wrzenia; - wysoka prężność pary nad roztworem; - stosunkowo niska rozpuszczalność w wodzie.Właściwości te należy uwzględnić w trakcie przygotowania wodnych roztworów wzorcowych wykorzystywanych na etapie kalibracji i badań modelowych. Ze względu na istotność...
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Dejavniki, ki vplivajo na lokacijo manjših in srednje velikih podjetij v predmestju: primer metropolitanskega območja mest Gdansk, Gdynia in Sopot
PublicationZaradi pomembne vloge manjših in srednje velikih podjetij (MSP) v evropskem gospodarstvu je ključno ustrezno poznavanje različnih dejavnikov, ki vplivajo na izbiro njihove lokacije. Kljub temu je v teoretičnih in empiričnih raziskavah industrijskih lokacij in urbanističnega načrtovanja velikost podjetij pogosto spregledana. V članku avtorji proučujejo kraj stalnega prebivališča kot dejavnik, ki spodbuja razvoj MSP v predmestjih....
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XXVIII Wieczór z Ekonomią
EventsGościem prof. Piotra Dominiaka będzie prof. Przemysław Hensel z Wydziału Zarządzania Uniwersytetu Warszawskiego. Tytuł wystąpienia: „Badania replikacyjne w naukach społecznych.” . Miejsce spotkania - sala 110/111 WZiE PG
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Investigation on structural, optical and anti-bacterial properties of organic additives iron oxide prepared by chemical route method
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Myeloid-derived suppressor cells (MDSCs) in brain cancer: challenges and therapeutic strategies
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Renoprotective and Cardioprotective Potential of Moricandia sinaica (Boiss.) against Carbon Tetrachloride-Induced Toxicity in Rats
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Synthesis, structural characterization, and thermal properties of Ca‐ and La‐doped soda‐lime glasses by laser melting
PublicationLaser melting techniques have been used in the preparation of unconventional glass compositions with high melting temperatures. Thus, we wanted to test the feasibility of using a CO2 laser in the preparation of nitrogen-rich oxynitride glasses and nitride silicate glasses. Melting from oxides and metallic raw materials, we wanted to study first glass formation and possible evaporation losses of the glass components. Two glass series...
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Ultra-Wideband Vivaldi Antenna with an Integrated Noise-Rejecting Parasitic Notch Filter for Online Partial Discharge Detection
PublicationPower transformers and gas-insulated switchgear (GIS) play crucial roles in electrical power grids. However, they may suffer from degradation of insulation material due to wear and tear, leading to their imminent failure. Partial discharges (PDs) are an initial sign of insulation materials degradation which emit signals spanning various physical domains, including electromagnetic. PDs are temporally narrow, high-frequency, stochastic...
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Morphology and mechanical properties of polyamide/clay nanocomposites toughened with NBR/NBR-g-GMA: A comparative study
PublicationThis work highlights the importance of nanoclay dispersion state in the nanocomposites containing polyamide 6 (PA6), nanoclay and elastomers as well as clay localization at the interface of thermoplastic/elastomer. Morphology and mechanical properties of a series of nanocomposites containing acrylonitrile butadiene rubber (NBR), glycidyl methacrylate-grafted NBR (NBR-g-GMA), and combined NBR/NBR-g-GMA were compared and discussed...
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The effect of nitrogen on the structure and thermal properties of beryllium-containing Na-(Li)-Si-O-N glasses
PublicationTwo oxynitride glass series with the composition of 35Na2O-5BeO-(60-x)SiO2-xSi3N4 and 9Li2O- 27Na2O-5BeO-(59-x)SiO2-xSi3N4, were prepared. The glasses' topography and structure were studied by Scanning Electron Microscopy and Raman spectroscopy. The composition was analyzed by Inductively Coupled Plasma Optical Emission Spectrometer, SEM-EDS and nitrogen and oxygen elemental analyzer. Na-(Li)-Be-silicate glasses were found to contain...
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Motywacja nauczyciela akademickiego
EventsNa szkoleniu dowiesz się m.in. jakie są teorie motywacji, jak może wyglądać praca z automotywacją studenta i motywująca komunikacja.
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Aplikacje wspierające budowanie zaangażowania
EventsZapraszamy na warsztaty, na których m.in. poznasz przykłady darmowych aplikacji wspierających projektowanie angażujących zajęć i wspierających warsztat nauczyciela oraz zaprojektujesz własne zasoby.
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Novel mycosynthesis of Co3O4, CuO, Fe3O4, NiO, and ZnO nanoparticles by the endophytic Aspergillus terreus and evaluation of their antioxidant and antimicrobial activities
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Exploiting the exceptional biosynthetic potency of the endophytic Aspergillus terreus in enhancing production of Co3O4, CuO, Fe3O4, NiO, and ZnO nanoparticles using bioprocess optimization and gamma irradiation
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