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Search results for: t-rflp
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A correct description of the interaction between a magnetic moment and its image
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Investigation of hyperfine structure of several major lines in PbI and PbII
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Hyperfine structure and isotope shift study in singly ionized lead
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Hyperfine structure and isotope shifts in 733.2 nm mixed forbidden line of Pb I
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Preface
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DSC Study of Polyurethanes obtained from 4,4'-Bis(10-Hydroxydecaoxy)biphenyl
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Determining efficient values of continuous technological machines parameters
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Estimation of the parameters of the discrete model of a steel–concrete composite beam
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Birds in Early Medieval Greater Poland: Consumption and Hawking
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Human–environment interactions in medieval Poland: a perspective from the analysis of faunal stable isotope ratios
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A Distributed System of Signal Acquisition for Induction Motors Diagnostic
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The study on minimum uncut chip thickness and cutting forces during laser-assisted turning of WC/NiCr clad layers
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Surface roughness analysis after machining of direct laser deposited tungsten carbide
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London penetration depth in local pair superconductors
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Thermodynamic and electromagnetic properties of hard-core charged bosons on a lattice
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Gauge-invariant theory of the Meissner effect in the lattice model of a superconductor with local pairing
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Magnetic penetration depth and correlation length in the superconductor with local pairing
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Response of the local pair superconductor to the static vector potential at finite wave length
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Switching off direct current with contactors: A laboratory exercise
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Intelligent Control Structure for Control of Integrated Wastewater Systems
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Doświadczenia w stosowaniu bezchlorowych mieszanin zeotropowych - zamienników czynnika R 22.
PublicationOmówiono zagadnienie substytucji czynnika chłodniczego R 22. Podano podstawowe własnosci długoterminowych zamienników tego płynu, w szczegolności R 404A, R 407 C i R 410A. Zestawiono dostępne dane eksperymentalne o stosowaniu tych mieszanian. Zaakcentowano problem mozliwych zmian składu mieszaniny zeotropowej i w konsekwencji jej własności.
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Thermo-mechanic tests using 3d printed elements
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Numerical Simulations of X22CrMoV12-1 Steel Multilayer Welding
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Attempts to Modify Austenitic Steel with Carbon Nanotubes
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New method of processing heat treatment experiments with numerical simulation support
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Influence of the improved reduction technique on superconductivity in Nd1.85Ce0.15Cu1±yO4−δ
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Hydration phase diagram for sodium cobalt oxide Na0.3CoO2·yH2O
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The influence of the temperature treatment on the Nd2-xCexCuO4-y crystals surface
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Proton affinity and proton transfer energy for selected organic molecules
PublicationThe Hartree-Fock method in 6-311G** molecular orbitals basis set has been applied to calculations of proton affinities and proton transfer reaction energies for water, methanol, acetaldehyde, ethanol, acetone, acetic acid, methyl acetate and ethyl acetate.
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Dissociation energies of protonated water clusters
PublicationRelative abundances of positively ionized water clusters formed in a low-pressure electrical discharge as function of reduced electric field were obtained by using drift cell and quadrupole mass spectrometer. It was noticed that some clusters say with n = 4 were more abundant than others, at comparable drift conditions. Dissociation energies have been derived from equilibrium conditions for relative clusters abundances. The Hartree-Fock...
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Dissociation pathways of protonated water clusters
PublicationRelative abundances of positively ionized water clusters formed in a low-pressure electrical discharge as function of reduced electric field were obtained by using drift cell and quadrupole mass spectrometer. It was noticed that some clusters say with n=4 were more abundant than others, at comparable drift conditions. Dissociation energies have been derived from equilibrium conditions for relative clusters abundances. The Hartree-Fock...
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The Influence of Synthesis Temperature on Manufacturing and Properties of SrSi2O2N2:Eu2+ Powders
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Water tracing as an alternative method for tunnels exploration in macromolecules
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Computer-aided design and selective laser melting of porous biomimetic materials
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Effect of preparation method on the properties of potato starch acetates with an equal degree of substitution
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Effect of the production method on the properties of RS3/RS4 type resistant starch. Part 2. Effect of a degree of substitution on the selected properties of acetylated retrograded starch
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Selected properties of acetylated adipate of retrograded starch
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Facilitating the CVD synthesis of seamless double-walled carbon nanotubes
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Superconductivity at 2.2 K in the layered oxypnictideLa3Ni4P4O2
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Insulator to correlated metal transition inV1−xMoxO2
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Physicochemical Properties and Application of Silica-Doped Biochar Composites as Efficient Sorbents of Copper from Tap Water
PublicationThis article concerns research on new sorption materials based on silica-doped activated carbon. A two-stage synthesis involved pyrolysis of plant material impregnated in a water glass solution , followed by hydrothermal activation of the pyrolysate in KOH solution. The resulting composite can be used as a sorbent in drinking water filters. The proposed method of synthesis enables the design of materials with a surface area...
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Modeling the pH effects on nitrogen removal in the anammox-enriched granular sludge
PublicationThe aim of the study was to determine the pH effects on nitrogen removal in the anammox-enriched granular sludge. The experimental data were extracted from a 4L completely-mixed batch reactor with the granular sludge at different initial pH values (6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5) and constant temperature T=30℃. Simulations were run in GPS-X 6.4 using a comprehensive mechanistic model Mantis2. Two kinetic parameters, including...
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Investigations on the immunosuppressive activity of derivatives of mycophenolic acid in immature dendritic cell
PublicationThe main activity of mycophenolic acid (MPA) and its analogs is the inhibition of proliferation of T cells. Here, we hypothesized that MPA and its conjugates inhibits also the activity of antigen-presenting cells (APC) including dendritic cells (DCs). We tested the effect of novel amino acid derivatives of MPA and conjugates of MPA with acridines/acridones on DCs by flow cytometry, ELISA and MLR assay. Both acridines/acridone derivatives...
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Application of recombinant antigens in serodiagnosis of swine toxoplasmosis and prevalence of Toxoplasma gondii infection among pigs in Poland
PublicationNiniejsza praca przedstawia częstość występowania toksoplazmozy w populacji świń obejmującej 1754 osobników pochodzących z różnych regionów Polski, która określona została z wykorzystaniem testu IgG ELISA opartego na antygenie natywnym pasożyta. Specyficzne przeciwciała anty-T. gondii klasy IgG zostały wykryte u 19,2% zwierząt z testowanej grupy. Ponadto w pracy oszacowano użyteczność diagnostyczną w rozpoznawaniu toksoplazmozy...
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Novel single-stranded DNA-binding protein from psyvhrophilic bacterium Psychrobacter arcticus
PublicationTo study the biochemical properties of SSB from Psychrobacter arcticus (ParSSB), we have cloned the ssb genes obtained by PCR and have developed Escherichia coli overexpression systems. The gene consists of an open reading frame of 642 nucleotides encoding SSB protein of 213 amino acids with a calculated molecular mass of 22.8 kDa. The amino-acid sequence of ParSSB exhibits 49% identity and 57% similarity to Escherichia coli SSB....
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High step-up continuous input current LCCT-Z-source inverters for fuel cells
PublicationFalowniki typu Z (ZSI) przeznaczone są do układów wymagających szerokiej zmiany wzmocnienia napięciowego, np. w energetyce odnawialnej. Ostatnio zaproponowano w literaturze zmienione struktury - falowniki typu Trans-Z (TZSI) oraz typu T (TSI) - w których dzięki zastosowaniu dławików sprzężonych uzyskano lepsze wzmocnienie niż w ZSI. W tym artykule przedstawiono ideę rozszerzonej struktury TZSI. Zaproponowano dwie nowe struktury...
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Distributed graph searching with a sense of direction
PublicationIn this work we consider the edge searching problem for vertex-weighted graphs with arbitrarily fast and invisible fugitive. The weight function w provides for each vertex v the minimum number of searchers required to guard v, i.e., the fugitive may not pass through v without being detected only if at least w(v) searchers are present at v. This problem is a generalization of the classical edge searching problem, in which one has...
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A rapid and sensitive method for the quantitative analysis of ibuprofen and its metabolites in equine urine samples by gas chromatography-tandem mass spectrometry
PublicationIbuprofen is widely used in human and veterinary medicine for the treatment of chronic pain as well as rheumatic and musculoskeletal disorders. However, t he anal- gesic and anti-inflammatory properties of Ibuprofen have contributed to frequent drug abuse in equestr ian s ports. A sensitive and rapid gas chromatography with tandem mass spectrometry based method with a simple liquid-liquid extraction and deriva- tization requiring...
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Influence of temperature on the activity of anammox granular biomass.
PublicationThe aim of this study was to determine a short-term and long-term effect of temperature on the anammox rate and determination of temperature coefficients in the Arrhenius and Ratkowsky equations. The short-term effects of temperature on the anammox granular biomass were investigated in batch tests at ten different temperatures in the range of 10–55 °C. The maximum overall nitrogen removal rate of 1.3 gN gVSS−1·d−1 was observed...
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MODELING THE pH EFFECTS ON NITROGEN REMOVAL IN THE ANAMMOX-ENRICHED GRANULAR SLUDGE
PublicationThe aim of the study was to determine the pH effects on nitrogen removal in the anammox-enriched 10 granular sludge. The experimental data were extracted from a 4L completely-mixed batch reactor with the 11 granular sludge at different initial pH values (6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5) and constant temperature 12 T=30℃. Simulations were run in GPS-X 6.4 using a comprehensive mechanistic model Mantis2. Two 13 kinetic parameters,...