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Search results for: SPEKTROMETRIA MAS ROZCIEŃCZENIA IZOTOPOWEGO
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Asymptotic numerical solver for the linear Klein–Gordon equation with space- and time-dependent mass
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Possibilities of quantitative and qualitative inventory of drainage devices based on selected maps and photogrammetric images
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Territorial Extrapolation of Basic Data as a Solution of the Problem of Its Deficiency during Mass Appraisal
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Similarities and Differences in the Protein Composition of Cutaneous Melanoma Cells and Their Exosomes Identified by Mass Spectrometry
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Compensatory functional reorganization may precede hypertension-related brain damage and cognitive decline
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Liquid chromatography tandem mass spectrometry study of urinary nucleosides as potential cancer markers
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Multidimensional Gas Chromatography in Essential Oil Analysis. Part 2: Application to Characterisation and Identification
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Essential-Oil Analysis of Irradiated Spices by Using Comprehensive Two-Dimensional Gas Chromatography
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Analysis of essential oils through comprehensive two-dimensional gas chromatography: General utility
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Headspace Liquid-Phase Microextraction of Chlorobenzenes in Soil with Gas Chromatography-Electron Capture Detection
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Aroma profile and lactic acid bacteria characteristic of traditional Slovak cheese “May bryndza”
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Identification of Markers Associated with Yield Traits and Morphological Features in Maize (Zea mays L.)
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Characterization of In Vitro and In Vivo Metabolism of Antazoline Using Liquid Chromatography-Tandem Mass Spectrometry
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Avaliação das propriedades de impulso e freqüência em sistemas de aterramento
PublicationBezpieczne uziemienia projektowane dla celów ochrony odgromowej powinny odprowadzać prądy wyładowań atmosferycznych przy możliwie niewielkim spadku napięcia. Dla oceny ich skuteczności należy brać pod uwagę nie tylko ich rezystancję, lecz przede wszystkim impedancję. W pracy porównano wyniki symulacji komputerowych i pomiarów na obiektach rzeczywistych impedancji uziemień mierzonych przy wymuszeniach udarowych oraz wysokoczęstotliwościowych.
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N-way modelling of sediment monitoring data from Mar Menor lagoon, Spain
PublicationW artykule przedstawiono zastosowanie modelowania typu Tucker3 dla danych pochodzących z monitorowania chemizmu osadów obszaru laguny Mar Menor w Hiszpanii. Celem badania jest modelowanie i interpretacja frakcjonowania metali ciężkich w materii zawieszonej i frakcjach osadów wynikających z procesów sedymentacyjnych. Modelowanie ma na celu oszacowanie ryzyka środowiskowego ponieważ działalność ludzka ma znaczny wpływ na stan laguny....
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Znaczenie Internetu w rozwoju mass mediów mniejszości polskiej w krajach nadbałtyckich
PublicationWpływ Internetu na szeroko pojęty rozwój mass mediów mniejszości polskiej należy uznać za ograniczony i przejawiający się zróżnicowanym tempem oraz zakresem w odniesieniu do poszczególnych mediów i republik. Tylko na Litwie wszystkie, główne mass media zostały wprowadzone do Internetu, a na Łotwie jedynie audycja radiowa. Internet stanowi platformę dla przekazów tradycyjnych i jego pojawienie się nie doprowadziło do powstania mediów...
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Application of static headspace gas chromatography for routine analysis of VFAs in cattle farm wastewater
PublicationOznaczanie lotnych kwasów tłuszczowych w próbkach środowiskowych jest tematem coraz powszechniej analizowanym z uwagi na ich uciążliwość w środowisku. Celem pracy było wykorzystanie techniki statycznej analizy headspace (HS) w połączeniu z analizą chromatograficzną do oznaczania lotnych kwasów monokarboksylowych w wodnych próbkach środowiskowych pochodzących z hodowli bydła.
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GLEMOK – novel method for catchment moisture determination using high-resolution soil map
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Can a man also be afraid? Partner communication, anxiety and hope in parents of premature infants
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Mass Spectrometry-Based Analysis of DNA Modifications: Potential Applications in Basic Research and Clinic
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Effect of the 5-HTTLPR polymorphism on affective temperament, depression and body mass index in obesity
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The Current Use of Mass Spectrometry in Combination with Other Separation Techniques in Drug Discovery Arena
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ChemInform Abstract: Modern Methods of Thermochemical Biomass Conversion into Gas, Liquid and Solid Fuels
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Use of Impedance Spectroscopy to Characterize Lining Performance in Simulated Flue Gas Desulfurization Systems
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Trust in the source of received information as a factor related to public perception of shale gas drilling
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Review of Small Gas Turbine Engines and Their Adaptation for Automotive Waste Heat Recovery Systems
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MiMSeg - an algorithm for automated detection of tumor tissue on NMR apparent diffusion coefficient maps.
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Computational examination of Jeffrey nanofluid through a stretchable surface employing Tiwari and Das model
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Analytical techniques for trace organic compounds-III: Mass spectrometry in trace organic analysis
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Mangiferin Has an Additive Effect on the Apoptotic Properties of Hesperidin in Cyclopia sp. Tea Extracts
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Inert gas condensation made bimetallic FeCu nanoparticles - plasmonic response and magnetic ordering
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Signals Features Extraction in Radioisotope Liquid-Gas Flow Measurements using Autocorrelation Function
PublicationKnowledge of the two-phase flow structure is essential for the proper conduct of industrial processes. Description of liquid-gas flow regimes is possible by using of data analysis in time, frequency, or state-space domain. In this research studies, the autocorrelation function is applied for analysis of signals obtained for liquid-gas flow by use gamma-ray absorption. The experiments were carried out on the laboratory hydraulic...
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Effects of UV light irradiation on fluctuation enhanced gas sensing by carbon nanotube networks
PublicationThe exceptionally large active surface-to-volume ratio of carbon nanotubes makes it an appealing candidate for gas sensing applications. Here, we studied the DC and low-frequency noise characteristics of a randomly oriented network of carbon nanotubes under NO2 gas atmosphere at two different wavelengths of the UV light-emitting diodes. The UV irradiation allowed to sense lower concentrations of NO2 (at least 1 ppm) compared to...
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Design and computational fluid dynamics analysis of the last stage of innovative gas-steam turbine
PublicationResearch regarding blade design and analysis of flow has been attracting interest for over a century. Meanwhile new concepts and design approaches were created and improved. Advancements in information technologies allowed to introduce computational fluid dynamics and computational flow mechanics. Currently a combination of mentioned methods is used for the design of turbine blades. These methods enabled us to improve flow efficiency...
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Waste management in the mining industry of metals ores, coal, oil and natural gas - A review
PublicationWaste generated due to mining activity poses a serious issue due to the large amounts generated, even up to 65 billion tons per year, and is often associated with the risk posed by its storage and environmental management. This work aims to review waste management in the mining industry of metals ores, coal, oil and natural gas. It includes an analysis and discussion on the possibilities for reuse of certain types of wastes generated...
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Using Disparity Map for Moving Object Position Estimation in Pan Tilt Camera Images
PublicationIn this paper we present the algorithm for rapid moving object position estimation in an images acquired from pan tilt camera. Detection of a moving object in a image acquired from a moving camera might be quite challenging. Standard methods that relay on analyzing two consecutive frames are not applicable due to the changing background. To overtake this problem we decided to evaluate the possibility of calculating a disparity...
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Ochrona mat wibroizolacyjnych przed uszkodzeniami na skutek obciążeń od nawierzchni kolejowych
PublicationWykorzystanie mat wibroizolacyjnych staje się coraz powszechniejsze. Na rynku dostępne są maty wykonane z poliuretanu, wełny mineralnej oraz granulatu gumowego łączonego spoiwem poliuretanowym. Producenci deklarują dla swoich wyrobów skuteczne tłumienie drgań, niski współczynnik przesztywnienia dynamicznego, a także zwiększenie trwałości nawierzchni. Deklarowane zalety są jednak ściśle związane z rodzajem konstrukcji dróg szynowych....
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The impact of mass-media campaigns on physical activity: a review of reviews through a policy lens
PublicationBackground This review of reviews aimed to: (1) summarize the evidence from published reviews on the effectiveness of mass-media campaigns to promote physical activity (PA) or PA-related determinants (intermediate psychological and proximal outcomes) and (2) to identify policy-relevant recommendations related to successful PA campaigns. Methods An extensive literature search was performed on 1 March 2021. Reviews that evaluated...
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Magnetoacoustic Heating of Plasma Caused by Periodic MagnetosoundPerturbations with Discontinuities in a Quasi-Isentropic Magnetic Gas
PublicationThe magnetoacoustic heating of plasma by harmonic or periodic saw-tooth perturbations at a trans-ducer is theoretically studied. The planar fast and slow magnetosound waves are considered. The wavevector may form an arbitrary angleθwith the equilibrium straight magnetic field. In view of variableθand plasma-β, the description of magnetosound perturbations and appropriate magnetosound heatingis fairly difficult. The scenario of...
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Effect of MAO coatings on cavitation erosion and tribological properties of 5056 and 7075 aluminum alloys
PublicationTwo ceramic coatings have been applied on 5056 and 7075 aluminum alloy by microarc oxidation (MAO) technology. The mass losses, surface morphologies and the phase constituents of the MAO coatings before and after cavitation tests were examined by means of digital scales, scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. In order to assess the impact of the mechanical properties of the surface layer on...
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Digital image transmission simulation using the PL-log-MAP turbo decoding algorithm
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Photon Physics and Plasma Research, Photonics Applications and Web Engineering, Wilga, May 2012
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A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider
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Analysis of odour interactions in model gas mixtures using electronic nose and fuzzy logic
PublicationMeasurement and monitoring of air quality in terms of odour nuisance is an important problem. Although the source of these nuisances is different (e.g. wastewater treatment plants, municipal landfills), their common feature is that they are a complex mixture of odorants with different odour thresholds. An additional problem is occurrence of the odour interactions between mixture components. From a practical point of view, it would...
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Load effect impact on the exploitation of concrete machine foundations used in the gas and oil industry
PublicationMachine foundations is a critical topic in the gas and oil industry, which design and exploitation require extensive technical knowledge. Machine foundations are the constructions which are intended for mounting on it a specific type of machine. The foundation has to transfer dynamic and static load from machine to the ground. The primary difference between machine foundations and building foundations is that the machine foundations...
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Synteza bio-cyklicznych węglanów z wykorzystaniem oligoeteroli różniących się masą molową
PublicationCykliczne węglany mogą być otrzymywane w wyniku cykloaddycji CO2 do eterów glicydylowych. Biorąc pod uwagę stopniowe wyczerpywanie się, a co za tym idzie, zauważalny wzrost cen substratów ropopochodnych należy wziąć pod uwagę zastąpienie surowców petrochemicznych przez związki pochodzenia naturalnego. Ponadto, wykorzystanie CO2 przyczynić się może do rozwoju perspektyw utylizacji tego gazu w syntezach organicznych. Otrzymanie węglanów...
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Highly effective asphaltene-derived adsorbents for gas phase removal of volatile organic compounds
PublicationA novel nitrated asphaltene-derived adsorbent (Asf-Nitro) was prepared using facile isolation and modification procedures. The successful modification was confirmed by Fourier-transform infrared spectroscopy (FTIR). The nitrated adsorbent was evaluated in terms of dispersive and specific interactions, Lewis acid-base properties and adsorption isotherms by means of inverse gas chromatography (IGC). Nitration was found to be extremely...
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Methods of assaying volatile oxygenated organic compounds in effluent samples by gas chromatography—A review
PublicationThe paper is a review of the procedures for the determination of volatile and semivolatile oxygenated organic compounds (O-VOCs) in effluent samples by gas chromatography. Current trends and outlook for individual steps of the procedure for the determination of O-VOCs in effluents are discussed. The available sample preparation techniques and their limitations are described along with GC capillary columns used for O-VOCs separation...
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Simplified Map-based Selection of Optimal Spindle Speeds When Milling Complex Structures
PublicationIn the paper a method for selecting optimal spindle speeds for complex structures during milling operations is presented. It is based on the selection of the spindle speed in accordance with a simple equation resulting from the minimisation of vibration energy, which leads to the minimisation of the work of cut-ting forces presented in previous elaborations by the authors [1]. Optimal spindle speeds are obtained for many points...
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Application of cyanated asphaltenes in gas-phase adsorption processes for removal of volatile organic compounds
PublicationThe paper presents an innovative, chemically modified (methylcyanated) asphaltene-based adsorbent that can be an inter-esting low-cost alternative for traditional adsorbents. Adsorption properties of adsorbents were examined by inverse gas chromatography technique, adsorption isotherms, and breakthrough curves. A significant increase in retention volume for pyridine, 2-pentanone, nitropropane, toluene, and 1-butanol was observed....