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Wyniki wyszukiwania dla: DRIVING SIMULATOR STUDIES
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Kinetic and equilibrium studies of the reaction of 2,4-dinitrophenyl-2,4,6-trinitrophenylmethane with cryptands in acetonitrile
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Studies of the complex formation between some proton sponges and Cu(II) cations
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A facile synthesis method and electrochemical studies of a hierarchical structured MoS2/C-nanocomposite
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Provenance studies on Late Neolithic amber ornaments from North-East Poland
PublikacjaThe area of North-East Poland was in prehistory, and still is today, an area with easy access to amber as a raw material, as is evidenced in part by numerous Late Neolithic (3rd millennium) amber workshops located in the Gulf of Gdańsk and Żuławy Wiślane (Vistula Fens). Given this fact, it is surprising that only a few finished amber products have been recovered from this area. Among them are unique ornaments from the Late Neolithic...
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Polyurethane Nanocomposites Containing Reduced Graphene Oxide, FTIR, Raman, and XRD Studies
PublikacjaRecently, graphene and other graphene-based materials have become an essential part of composite science and technology. Their unique properties are not only restricted to graphene but also shared with derivative compounds like graphene oxide, reduced graphene oxide, functionalized graphene, and so forth. One of the most structurally important materials, graphene oxide (GO), is prepared by the oxidation of graphite. Though removal...
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Edible Flowers Extracts as a Source of Bioactive Compounds with Antioxidant Properties—In Vitro Studies
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New supervised alignment method as a preprocessing tool for chromatographic data in metabolomic studies
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Experimental and theoretical studies of the spectroscopic properties of simple symmetrically substituted diphenylacetylene derivatives
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Conformational studies of cyclic enkephalin analogues withL- orD-proline in position 3
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The interaction of the pulsed laser irradiation with titania nanotubes - Theoretical studies on the thermal effect
PublikacjaThis paper reports temperature dispersion simulations of titania nanotubes irradiated by the 355 nm, pulsed, nanosecond laser. The modelling with the use of Finite Elements Method concerns titania nanotubes of the length and the wall thickness in the range of 0.5–2 μm and 5–20 nm, respectively. The uniqueness of the morphology was preserved by ensuring the wall thickness variation along the height of the tube, which was determined...
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Ultrastructural analysis of the submandibular sialoliths: Raman spectroscopy and electron back-scatter studies
PublikacjaThe aim of work was the epidemiological analysis of the occurrence of sialolithiasis of the submandibular gland in adults and the evaluation of the ultrastructure of salivary stones. The study sample consisted of 44 sialoliths. Analysis of the structure and chemical composition of sialoliths was performed using a Scanning Electron Microscope and Raman Spectroscopy. Comparing our results with the literature we can say that the epidemiology...
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Effect of Ethanol Extracts of Propolis (EEPs) against Staphylococcal Biofilm—Microscopic Studies
PublikacjaStaphylococci growing in the form of biofilm exhibit high resistance to a plethora of antibiotics. The aim of the study was to assess the influence of ethanolic extract of propolis (EEPs) on S. epidermidis ATCC 35984 biofilm using fluorescent microscopy. Propidium iodide (PI) and SYTO 9 were used for differentiation of live and dead cells, and calcofluor white was used to stain the extracellular matrix, the self-produced extracellular...
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Synthesis, spectroscopy and computational studies of some novelphosphorylated derivatives of quinoline-5,8-diones
PublikacjaThe neutral phosphorus nucleophiles such as R2P(=Y)M allowed the radical addition to 2-methyl-5,8-dioxo-5,8-dihydroquinoline-7-amine and N-(2-methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide giving exclusively O-phosphorylated products. All products were quantitatively prepared and characterized by microanalysis, and multinuclear NMR spectroscopy. Seven of them, have been characterized by single crystal X-ray diffraction method....
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Guided wave propagation in structures. Modelling, experimental studies and application to damage detection
PublikacjaCelem niniejszej pracy są eksperymentalne i numeryczne analizy propagacji prowadzonych fal sprężystych w stalowych konstrukcjach prętowych, belkowych, ramowych, tarczowych i płytowych. W szczególności praca poświęcona jest: (a) modelowaniu propagacji fal z uwzględnieniem zjawiska dyspersji; (b) budowie modeli obliczeniowych w formalizmie metody elementów spektralnych; (c) eksperymentalnej weryfikacji zaproponowanych modeli; (d)...
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The influence of the substrate temperature on the preparation of DNA films for studies under vacuum conditions
PublikacjaPrzeanalizowano wpływ temperatury na formowanie warstw DNA. Sprawdzono wpływ stabilizatorów na jakość otrzymanych próbek. Stwierdzono, że optymalnymi warunkami przygotowywania filmów do badań w warunkach próżniowych jest - 10 st. C przy minimalnej zawartości NaOH.
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Experimental and numerical studies of guided wave damage detection in bars with structural discontinuities
PublikacjaPraca dotyczy analizy propagacji fal podłużnych i poprzecznych w elementach prętowych z nieciągłościami strukturalnymi. Symulacje numeryczne przeprowadzone przy zastosowaniu metody elementów spektralnych zostały porównane z wynikami badań eksperymentalnych dla pręta w stanie nienaruszonym oraz dla prętów z rysą, spawem oraz dodatkową masą.
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Ab initio studies of phonons in MgO by the direct method including LO mode
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Spectroscopic and Spectroelectrochemical Studies on Redox Properties of Zinc Sulfide and Their Consequences on Photocatalytic Activity
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Transcranial magnetic stimulation (TMS) in treatment of psychiatric disorders – review of current studies
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Impact and pitfalls of scaling of left ventricular and atrial structure in population-based studies
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Potentiometric and AM1d studies of a new class of Tr-podands–silver(I) complexes
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Modified nanodiamond particle size studies by means of dynamic light scattering technique
PublikacjaThe Methods Utilizing the Phenomena of Light Scattering to Measure Particle Size distribution in different solvent, such as deionise water and alcohol and also to study the various structural formation when nanodiamond solution is placed on silicon surface. The purpose of this research project is divided into two parts to configure the measurement units for examining modified nanodiamond particles, examination...
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Modified nanodiamond particle size studies by means of dynamic light scattering technique
PublikacjaThe Methods Utilizing the Phenomena of Light Scattering to Measure Particle Size distribution in different solvent, such as deionise water and alcohol and also to study the various structural formation when nanodiamond solution is placed on silicon surface. The purpose of this research project is divided into two parts to configure the measurement units for examining modified nanodiamond particles, examination...
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Studies of polypropylene membrane fouling during microfiltration of broth with Citrobacter freundii bacteria
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Prefrontal Dysfunctions and Temperament in Pathological Obesity - the Results of Neuropsychological, TEMPS-A and Genetics Studies
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Studies on membrane scaling during water desalination by direct contact membrane distillation
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Structure-activity relationship studies on the antimicrobial activity of novel edeine a and d analogues
PublikacjaOpisano syntezę 4 nowych analogów peptydowego antybiotyku, edeiny a i d z wykorzystaniem klasycznej syntezy w roztworze. Stosowano metodę estrów aktywnych oraz metodę azydową do tworzenia wiązań peptydowych. Zbadano także aktywność przeciwgrzybową i przeciwbakteryjną opisanych połączeń.
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The Remotely and Directly Obtained Results of Glaciological Studies on King George Island: A Review
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Application of high pressure laser flash photolysis in studies on selected hemoprotein reactions
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Control Theory Education in the Distance Education B.Eng. Studies at Warsaw University of Technology
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Synthesis, biological activity and molecular modelling studies of tricyclic alkylimidazo-, pyrimido- and diazepinopurinediones
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Crystallographic and spectroscopic studies of 5-arylidene-2-amino-imidazol-4-ones
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Cyclic Dipeptides as Building Units of Nano- and Microdevices: Synthesis, Properties, and Structural Studies
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Complementarity of electronic and vibrational circular dichroism based on stereochemical studies of vic-diols
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In situ optical studies of thermal stability of iodine-doped polyazomethine thin films
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Studies of Transport Properties of Single Layer Devices Based on the Polyazomethine Thin Films
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Time Projection Chamber (TPC) detectors for nuclear astrophysics studies with gamma beams
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Polyphenol-Enriched Composite Bone Regeneration Materials: A Systematic Review of In Vitro Studies
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Mechanical, structural and diffusion studies of hydrogel polyurethane nanocomposites containing modified montmorillonite
PublikacjaW pracy zaprezentowano wyniki badań hydrożeli poliuretanowych zawierających poli(tlenek etylenu) oraz montmorylonit. Otrzymane układy scharakteryzowano z użyciem technik XRD, DMA, badań mechanicznych oraz wyznaczono chłonność wody i parametry dyfuzji.
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SEM and TEM Studies on <i>In-Situ</i> Cast Al–TiC Composites
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Nanostructured Lipid Carriers Engineered as Topical Delivery of Etodolac: Optimization and Cytotoxicity Studies
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Identification of yellow luminescence centers in Be-doped GaN through pressure-dependent studies
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X-ray and NMR structural studies of the series of porphyrazines with peripheral pyrrolyl groups
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Selection of reliable reference genes in eutopic and ectopic endometrium for quantitative expression studies
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Femtosecond studies of the excited-state dynamics of ester-alkyloxy substituted zinc phthalocyanines
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Synthesis, spectroscopy and computational studies of some biologically important hydroxyhaloquinolines and their novel derivatives
PublikacjaA series crystalline compounds of methyl and phosphinyl derivatives of 2-methylquinolin-8-ol (1a) and related 5,7-dichloro-2-methylquinolin-8-ol (1b) were quantitatively prepared and characterized by microanalysis, IR, UV-vis and multinuclear NMR spectroscopy. Five of them have been characterized by single crystal X-ray diffraction method. The known compounds, 8-methoxy-2-methylquinoline (2a) and 8-methoxyquinoline (2d), were synthesised...
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Threshold photoelectron studies of isoxazole over the energy range 9.9-30 eV
PublikacjaThe threshold photoelectron spectrum of the isoxazole molecule, C3H3NO has been measured over the photon energy range 9.9-30 eV with the use of synchrotron radiation. In the 9.9-10.8 eV range, corresponding to photoionization from the highest occupied molecular orbital 3a"(π3), seven well resolved vibrational series have been observed and their modes are tentatively assigned. A strong adiabatic ionization, with an energy of 11.132...
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Anion recognition by phosphonium calix[4]arens: synthesis and physico-chemical studies
Publikacjap-tert-butylcalix[4]arenes in the cone conformation, di-and tetra substituted at the narrow rim with charged phosphonium groups have been synthesies and characterised.
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In vitro studies of polyphenols, antioxidants and other dietary indices in kiwifruit (Actinidia deliciosa)
PublikacjaOpisano wyniki badań poziomu protein oraz potencjału przeciwutleniającego w próbkach owoców kiwi, przechowywanych i dojrzewających w atmosferze etylenu ( w ciągu pierwszych 10 dni). Próbki owoców kiwi podzielono (w sposób przypadkowy) na dwie grupy:-próbki nie poddawane obróbce,-próbki poddawane obróbce (dojrzewanie w atmosferze etylenu).W próbkach oznaczano między innymi: wolne cukry, proteiny, polifenole oraz zdolność przeciwutleniającą....
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Interaction of amphotericin B and its selected derivatives with membranes: molecular modeling studies
PublikacjaJest to praca przeglądowa obejmująca krytyczną analizę danych dotyczących oddziaływania amfoterycyny B (AmB) i jej wybranych, mniej toksycznych pochodnych, z błonami lipidowymi. Amfoterycyna B jest antybiotykiem przeciwgrzybowym ale ze względu na jej toksyczność trwają prace nad modyfikacjami chemicznymi tego związku. Celem molekularnym dla tego antybiotyku jest błona lipidowa i dlatego różnicowe powinowactwo AmB i jej pochodnych...