Filters
total: 2132
-
Catalog
- Publications 1818 available results
- Journals 123 available results
- Conferences 15 available results
- People 39 available results
- Inventions 11 available results
- Projects 9 available results
- Research Teams 5 available results
- Research Equipment 1 available results
- e-Learning Courses 47 available results
- Events 2 available results
- Open Research Data 62 available results
displaying 1000 best results Help
Search results for: SORBENTY NATURALNE
-
Knowledge representation of motor activity of patients with Parkinson’s disease
PublicationAn approach to the knowledge representation extraction from biomedical signals analysis concerning motor activity of Parkinson disease patients is proposed in this paper. This is done utilizing accelerometers attached to their body as well as exploiting video image of their hand movements. Experiments are carried out employing artificial neural networks and support vector machine to the recognition of characteristic motor activity...
-
Passive samplers in indoor air quality control
PublicationPrzedstawiono wyniki badań jakości powietrza wewnętrznego w 12 wybranych mieszkaniach usytuowanych na terenie aglomeracji Trójmiejskiej z wykorzystaniem techniki pasywnej (dozymetria pasywna typu permeacyjnego) oraz techniki dynamicznej (rurki sorpcyjne wypełnione sorbentem Tenax TA). Wykorzystując nowe podejście do sposobu kalibracji dokonano monitoringu zarówno poszczególnych lotnych związków organicznych jak i sumarycznej zawartości...
-
Agnieszka Ubowska dr hab. inż.
PeopleAgnieszka Ubowska, PhD Dsc Eng was born in 1978 in Piła, where she graduated from the Secondary School of Environmental Protection. In the years 1998-2003 she studied at the Faculty of Technology and Chemical Engineering of the Szczecin University of Technology, majoring in environmental protection. She obtained her doctorate in technical sciences in 2008, defending her thesis entitled "Hybrid hydrophilic acrylamide (co)polymers"....
-
Application of multicriteria decision analysis to assess the greenness of molecularly imprinted polymers synthesis components
PublicationThe study applies multicriteria decision analysis (MCDA) to rank the components of molecularly imprinted polymers (MIPs) synthesis according to their greenness. The components are taken from papers that are describing synthesis of MIPs for persistent organic pollutants (POPs) sorbents. Functional monomers (n = 14), target/surrogate molecules (n = 10), porogens (n = 8), cross-linking agents (n = 8) and initiators (n = 4) are described...
-
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science)
Journals -
Nanjing Youdian Daxue Xuebao (Ziran Kexue Ban)/Journal of Nanjing University ofPosts and Telecommunications (Natural Science)
Journals -
Beijing Huagong Daxue Xuebao (Ziran Kexueban)/Journal of Beijing University of Chemical Technology (Natural Science Edition)
Journals -
Xi'an Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of Xi'an Shiyou University, Natural Sciences Edition
Journals -
Application of deep eutectic solvents in analytical sample pretreatment (update 2017–2022). Part A: Liquid phase microextraction
PublicationSustainable development in all branches of human activity has become an unequivocal necessity in the last two decades, and green chemistry goes hand in hand with it. Various ways have been proposed in analytical chemistry to meet the current requirements of green chemistry. One such approach is the research of new reagents and solvents for analytical purposes. Deep eutectic solvents (DESs) began being investigated and used in analytical...
-
Prawne aspekty gospodarki obiegu zamkniętego
PublicationRozmaite organizacje od lat podejmują szereg prac mających na celu skierowania gospodarki na model o obiegu zamkniętym. Tego typu działania mają pomóc w ograniczeniu negatywnego wpływu przemysłu na środowisko. Jakie są słabe i mocne strony sytuacji prawnej w tym zakresie i jakie niesie to za sobą skutki? W ostatnich latach obserwuje się dynamiczny rozwój światowej gospodarki, który wpływa nie tylko na stale rosnący poziom życia,...
-
ENVIRONMENTALLY FRIENDLY MATERIALS IN ARCHITECTURE � MODERN TRENDS AND DEVELOPMENT DIRECTIONS
PublicationFor a long time the interest in environmentally friendly materials in architecture is no longer limited to the use of renewable and natural substances such as wood, stone, straw, or reusable materials, such as metals or glass. Today the so-called naturals and the materials compatible with the idea of sustainability constantly appear on the market in new forms. Increasing awareness of the necessity to limit the building sector’s...
-
Tomasz Edward Berezowski dr inż.
PeopleHe was born in 1986 in Warsaw. He graduated in 2009 with honors from the Interfaculty Study of Environmental Protection at SGGW in Warsaw, specialty Restoration and Management of Environment. He defended his doctorate with honors at Vrije UIniversiteit Brussels in 2015. In 2015-2017 he worked as an assistant and then assistant professor at the Faculty of Civil and Environmental Engineering at SGGW. In 2017, he was employed as an...
-
Efektywność działania środków przeciwstarzeniowych w procesie przyśpieszonego starzenia cieplnego
PublicationPrzedmiotem przedstawionych badań są wulkanizaty kauczuku naturalnego i butadienowo-styrenowego. Celem pracy było zbadanie efektywności działania środków przeciwstarzeniowych w procesie przyspieszonego starzenia cieplnego (w czasie 7 i 14 dni w temperaturze 70°C). Do badań wykorzystano dwie substancje przeciwstarzeniowe: komercyjnie dostępny przeciwutleniacz IPPD (N–fenylo-N′-izopropylo-p-fenylenodiamina) oraz ekologiczny przeciwutleniacz...
-
Can Communication Power of Separable Correlations Exceed That of Entanglement Resource?
PublicationThe scenario of remote state preparation with a shared correlated quantum state and one bit of forward communication [B. Dakić et al., Nat. Phys. 8, 666 (2012)] is considered. Optimization of the transmission efficiency is extended to include general encoding and decoding strategies. The importance of the use of linear fidelity is recognized. It is shown that separable states cannot exceed the efficiency of entangled states by...
-
On Applications of Elements Modelled by Fractional Derivatives in Circuit Theory
PublicationIn this paper, concepts of fractional-order (FO) derivatives are reviewed and discussed with regard to element models applied in the circuit theory. The properties of FO derivatives required for the circuit-level modeling are formulated. Potential problems related to the generalization of transmission-line equations with the use of FO derivatives are presented. It is demonstrated that some formulations of FO derivatives have limited...
-
"Mity i utopie rewitalizacji.
PublicationWe wszystkich miastach europejskich obserwuje się obecnie procesy dezurbanizacji i suburbanizacji. Zmniejsza się też populacja. Jest to punkt zwrotny w rozwoju cywilizacji. Przez ostatnie 150 lat obszary zurbanizowane wchłaniały środowisko naturalne, obecnie obszary zurbanizowane będą na powrót wchłaniane przez środowisko naturalne. W związku z powyższymi zjawiskami coraz uważniej należy wybierać projekty flagowe, stanowiące katalizatory...
-
Determination of phenylbutazone, sulfamethazine, carbendazim and linuron using a novel pine bark biosorbent for solid-phase extraction (SPE) with high-performance liquid chromatography (HPLC)
PublicationThe paper presents a novel pine bark based biosorbent for solid-phase extraction (SPE). The morphology and composition of the pine bark were characterized using Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The biosorbent was used for the preparation of wastewater for the determination of phenylbutazone, sulfamethazine, carbendazim, and linuron by high performance liquid chromatography with...
-
Miniaturized Solid Phase Extraction techniques for different kind of pollutants analysis: State of the art and future perspectives – PART 1
PublicationSolid Phase Extraction (SPE) has been practiced in a modern form for more than half a century. It was constantly developing, driven by the analysts needs. These needs are coming from the importance to select an appropriate analytical method, which should have satisfactory accuracy, precision and sensitivity. In the case of sorbent-based microextraction techniques, the choice of miniaturized variants that meet these requirements...
-
International Work-conference on the Interplay between Natural and Artificial Computation
Conferences -
Radioactivity of drilling cuttings from shale resources of the Lower Paleozoic Baltic Basin, Poland
PublicationFractionated drilling wastes originating from shale gas exploration in the Baltic Basin in Pomerania were subjected to the measurements of mean activity concentrations of naturally occurring radioactive materials (NORMs).To better understand rock structure and texture, the X-ray diffraction analysis (XRD) and scanning electron microscopy(SEM) observation were used. To compare activity concentration of radionuclides in bulk wastes...
-
Jarosław Chojnacki prof. dr hab. inż.
PeopleBorn in 1961 in Bydgoszcz, professional education started at the Chemical Technical Highschool (I. Łukasiewicz). He graduated from the Faculty of Chemistry at the Gdańsk University of Technology in 1986, defending the work on ion-selective electrodes. Subsequent studies were related to organic and siliconorganic synthesis and, from 2002 year on, to crystallography. The doctoral thesis concerned the Silanotiolanes of coinage metals...
-
BitumSorbent Studies on the preparation and properties of sorbents produced from bitumen
ProjectsProject realized in Department of Process Engineering and Chemical Technology according to LIDER/036/573/L-5/NCBR/2014 agreement from 2014-11-03
-
Solid phase extraction clean up of soil and sediment extracts for the determination of various types of pollutants in a single run.
PublicationOpisano nową procedurę oczyszczania ekstraktów rozpuszczalnikowych (uzyskanych w trakcie obróbki próbek gleby i osadów dennych) z wykorzystaniem techniki ekstrakcji do fazy stałej. Oryginalność podejścia polega na znalezieniu takiej kombinacji sorbentów, że uzyskuje się ekstrakt przygotowany do analizy chromatograficznej na zawartość różnych typów zanieczyszczeń (polichlorowane bifenyle, wielopierścieniowe węglowodory aromatyczne,...
-
Molecularly imprinted polymers based on deep eutectic solvents as a greenest materials for selective extraction of emerging contaminants from complex samples
PublicationSome of the reagents applied in the synthesis of molecularly imprinted polymers (MIPs) may impact on health and the environment. Thus, a new generation of promising green chemicals are nowadays introduced and investigated, including deep eutectic solvents (DESs). DESs seems to be a reasonable choice as they are characterized as non-toxic, low cost, easy to prepare and biodegradable chemicals. This review presents the information...
-
Nanoparticles: Synthesis, characteristics, and applications in analytical and other sciences
PublicationNanoparticles (NPs) are widely employed in different research areas, ranging from analytical chemistry and environmental science to medicine, the agriculture and pharmaceutical industry. This is mainly due to the unique characteristics of NPs and the novelty they introduce in such applications. In analytical chemistry, the role of NPs can differ depending on the nature of the steps involved in analytical process. NPs are probably...
-
A comparison of three solvent-free techniques coupled with gas chromatography for determining trihalomethanes in urine samples
PublicationDążenie do oznaczania lotnych analitów organicznych w próbkach płynów biologicznych charakteryzujących się złożonym, a często zmiennym składem matrycy, stanowi siłę napędową do działań analityków w zakresie poszukiwania nowych rozwiązań metodycznych i aparaturowych. Publikacja ta przedstawia porównanie trzech technik zastosowanych do tych celów: technikę analizy fazy nadpowierzchniowej z generacją strumienia ciekłego sorbentu...
-
Deep Eutectic Solvents and Their Uses for Air Purification
PublicationChemical compounds released into the air by the activities of industrial plants and emitted from many other sources, including in households (paints, waxes, cosmetics, disinfectants, plastic (PVC) flooring), may affect the environment and human health. Thus, air purification is an important issue in the context of caring for the condition of the environment. Deep eutectic solvents (DESs) as liquids with environmentally friendly...
-
Naturalne zasoby energetyczne, W/L, Energetyka, I st., sem. 3, zimowy 22/23 (PG_00055885)
e-Learning Courses -
Naturalne zasoby energetyczne, W/L, En, I st., sem. 3, zima 23/24 (PG_00055885)
e-Learning Courses -
On homotopy Conley index for multivalued flows in Hilbert spaces
PublicationPodano aproksymacyjną definicję indeksu homotopijnego, otrzymując naturalne związki z podobnymi niezmiennikami. Zbadano własności tego niezmiennika i zastosowano do badania gradientowych potoków wykazując pewne geometryczne własności zbiorów niezmienniczych
-
The preparation and evaluation of core-shell magnetic dummy-template molecularly imprinted polymers for preliminary recognition of the low-mass polybrominated diphenyl ethers from aqueous solutions
PublicationThe design, preparation process, binding abilities, morphological characteristic and prospective field of application of dummy-template magnetic molecularly imprinted polymer (DMMIP) for preliminary recognition of the selected low-mass polybrominated diphenyl ethers (PBDE-47 and PBDE-99) from aquatic environment were investigated. The surface of iron oxide (Fe3O4) nanopowder (50-100 nm particles size) was modified with tetraethoxysilane...
-
Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)
Journals -
Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition)
Journals -
wystawa indywidualna 'dom w lesie. kaszubskie schronienie'
PublicationObiekt architektoniczny wyrasta i wrasta. To kolejno po sobie następujące etapy naturalnego rozwoju procesu zamieszkiwania. Poszukiwanie schronienia wynika z potrzeby i konieczności zapewnienia sobie bezpiecznej kryjówki. Nie tylko człowiek jej szuka. Metaforyczne wyobrażenia archetypicznej formy schronienia pokazują jej adaptowalność do różnorodnych uwarunkowań. Kontekst stanowi zadanie problemowe, na które odpowiedzią jest konkretna...
-
Jakub Miler dr inż.
PeopleAcademic career: 2000: Master of Science - Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, thesis "Computer system for supporting risk management in a software engineering project", supervisor prof. Janusz Górski 2005: PhD - Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, thesis "A Method of Software Project Risk Identification and Analysis",...
-
Szymon Olewniczak mgr inż.
PeopleI've been a part of the Gdansk University of Technology since 2013, when I started my bachelor's degree in computer science at the Faculty of Electronics, Telecommunications and Informatics. After receiving my master's degree in 2019, I've been working as an assistant at the Department of Computer Architecture. Since 2024, I am also the deputy head of my department. My research interests revolve around various NLP related topics,...
-
Sposób otrzymywania sorbentu zwłaszcza do oczyszczania gazów
Inventions -
Sposób otrzymywania sorbentu zwłaszcza do chromatografii gazowej
Inventions -
Changes in hydrological and climatic characteristics and their impact on natural wetland ecosystems in the years 1900-2100
ProjectsProject realized in Department of Geoinformatics according to UMO-2017/26/D/ST10/00665 agreement from 2018-04-19
-
Chromatic scheduling of 1- and 2-processor uet tasks on dedicated machines with availability constraints.
PublicationRozważono uogólnienie klasycznego szeregowania jednostkowych zadań jedno- i dwuprocesorowych na maszynach dedykowanych. Przyjęty model pozwala na naturalne wprowadzenie wszystkich klasycznych kryteriów optymalizacyjnych dla harmonogramów. Zaproponowano algorytmy wielomianowe dla systemów rzadkich.
-
23_24_Analityka techniczna i kontrola jakości
e-Learning CoursesCelem przedmiotu jest: Poznanie i zrozumienie zasad ogólnych oraz wybranych procedur analityki technicznej i przemysłowej – laboratoryjnej, a także, elementów analityki procesowej i kontroli jakości różnego rodzaju paliw: gazowych, ciekłych, stałych, a także surowców, strumieni procesowych podlegających dalszej przeróbce, składników podlegających „blendingowi”, materiałów pomocniczych typu: czynniki reakcyjne, katalizatory,...
-
Badanie termowizyjne ciągu wentylacyjnego w budynku mieszkalnym z poddaszem nieużytkowym
PublicationW artykule przedstawiono szczegółową analiżą temperaturową powietrza wentylacyjnego przy kratce wywiewnej murowanego trzonu kominowego. Ze względu na występujące uciążliwości eksploatacyjne w pracy wentylacji naturalnej analiza wykonana została dwiema metodami: poprzez długotrwały pomiar za pomocą termoanemometru oraz pomiar chwilowy za pomocą kamery termowizyjnej. Uzyskane wyniki pozwoliły na sformułowanie wniosków co do przyczyny...
-
Monitoring and analytics of semivolatile organic compounds (SVOCs) in indoor air
PublicationThis paper reviews literature information on the behaviour of semivolatile organic compounds (SVOCs) in the indoor environment, as well as the most likely emission sources. The consecutive stages of analytical procedures used for monitoring SVOCs in indoor environments are described. The most common approaches used for collecting samples from the gas and particulate phases are mentioned. The paper discusses and compares various...
-
Theoretical and Economic Evaluation of Low-Cost Deep Eutectic Solvents for Effective Biogas Upgrading to Bio-Methane
PublicationThis paper presents the theoretical screening of 23 low-cost deep eutectic solvents (DESs) as absorbents for effective removal of the main impurities from biogas streams using a conductor-like screening model for real solvents (COSMO-RS). Based on thermodynamic parameters, i.e., the activity coefficient, excess enthalpy, and Henry’s constant, two DESs composed of choline chloride: urea in a 1:2 molar ratio (ChCl:U 1:2), and choline...
-
A new relevant membrane application: CO2 direct air capture (DAC)
PublicationSince carbon dioxide (CO2) is the primary greenhouse gas emitted into the atmosphere due to human activities, strong research efforts have been developed towards capturing and decreasing its production. Unfortunately, specific processes and activities make it impossible to avoid CO2 emissions. Among the different strategies scientists propose for CO2 reduction, direct CO2 capture from the atmosphere, also known as direct air capture...
-
Usługa - geneza, pojęcie, istota produkcji i jej mierniki
PublicationW treści przedstawiono genezę wiedzy ekonomicznej o usługach, istote usług, w polskiej literaturze przedmiotu oraz poglądy autorów zachodnich na istotę usług. Ponadto omówiono istotę produkcji usług oraz jej mierniki (naturalne, wartościowe i umowne).
-
X-ray images of Baltic herring
Open Research DataA methodology for studying the geometric shape of Baltic herring swimbladders including the optimal way of catching, transporting and storing fish, the X-ray measurements and the X-ray image analysis, that does not change the natural shape of the fish swimbladder was developed. Fish for research was obtained in the area of the Polish coastal zone...
-
Żuławy : tożsamość kształtowana przez wodę i ludzi
PublicationMieszkańcy Żuław przez stulecia oswajali niebezpieczeństwo ''wielkiej wody''. Najważniejsze powodzie były jednocześnie punktami zwrotnymi w historii regionu. Artykuł pokazuje jaki wpływ na obecny kształt Delty Wisły miały czynniki naturalne, a jaki - działalność osiadłych tu ludzi.
-
Analysis of exhaled breath for dengue disease detection by low-cost electronic nose system
PublicationThis paper presents a procedure and a set-up of an electronic nose system analyzing exhaled breath to detect the patients suffering from dengue – a mosquito-borne tropical disease. Low-power resistive gas sensors (MiCS-6814, TGS8100) were used to detect volatile organic compounds (VOCs) in the exhaled breath. The end-tidal phase of patients exhaled breath was collected with a BioVOCTM breath sampler. Two strategies were assessed...
-
Dispersive Micro‐Solid Phase Extraction of Selected Metals in Water and Food Samples Followed by ICP‐OES Analysis: Method Development, Analysis of Real Samples and Greenness Evaluation
PublicationMultiwalled carbon nanotubes (MWCNTs) are well-known adsorbents because of their high surface area, layered and hollow architecture, hydrophobicity, and multiple and easily accessible adsorption sites. In this study, MWCNTs were used for dispersive micro-solid-phase extraction of various metal chelates in environmental and food samples. Different parameters such as concentration of the chelating reagent, the sorbent dosage, the...