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Graphene-encapsulated iron nanoparticles as a non-viral vector for gene delivery into melanoma cells
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Novel non-covalent stable supramolecular ternary system comprising of cyclodextrin and branched polyethylenimine
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Energy resolution and non-proportionality of the light yield of pure CsI at liquid nitrogen temperatures
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Force-induced structural changes in non-sulfated carrageenan based oligosaccharides – a theoretical study
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Nuclear Magnetic Relaxation and d-Wave Pairing in a Model of a Superconductor with Non-Retarded Attraction
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Enforced conformational changes in the structural units of glycosaminoglycan (non-sulfated heparin-based oligosaccharides)
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Bedload transport and temporal variation of non-uniform sediment in a seepage-affected alluvial channel
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Small isomeric push–pull chromophores based on thienothiophenes with tunable optical (non)linearities
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Non-standard Analysis Filter Bank Design Applied to Hybrid Filter Bank Architecture
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Large nonsaturating magnetoresistance, weak anti-localization, and non-trivial topological states in SrAl2Si2
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Writing in Richardson variant of progressive supranuclear palsy in comparison to progressive non-fluent aphasia
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Non-causal final impulse response filters for the maximum return from capital markets
PublikacjaW artykule rozważa się strategię operacji na rynkach kapitałowych, która polega na kupowaniu lub sprzedawaniu instrumentu finansowego, kiedy sygnał wyjściowy nie-przyczynowego filtru o skończonej odpowiedzi impulsowej osiąga odpowiednio minimum lub maksimum. Celem artykułu jest wyznaczenie "najlepszego" nie-przyczynowego filtru o skończonej odpowiedzi impulsowej (FIR), który zapewnia maksymalną stopę zwrotu z rynku przy użyciu...
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1/f noise as a diagnostic tool for non-destructive testing of silicon solar cells
PublikacjaPrzeprowadzono badania eksperymentalne charakterystyk statycznych i szumowych krzemowych ogniw słonecznych. Wyniki wykazują możliwość wykorzystania szumu 1/f jako narzędzia diagnostycznego w testach nieniszczacych tych przyrzadów.
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Increasing rate of daptomycin non-susceptible strains of Staphylococcus aureus in patients with atopic dermatitis
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Unusual cis-diprotonated forms and fluorescent aggregates of non-peripherally alkoxy-substituted metallophthalocyanines
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Deep learning model for automated assessment of lexical stress of non-native english speakers
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Non-vitamin K antagonist oral anticoagulants (NOACs) in cancer patients with atrial fibrillation
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Brain Fog and Quality of Life at Work in Non-Hospitalized Patients after COVID-19
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Glucose metabolism disorders in patients with non-functioning adrenal adenomas — single-centre experience
PublikacjaIntroduction: The presence of glucose metabolism disorders and their possible correlation with degree of cortisol secretion were evaluated in patients with non-functioning adrenal incidentalomas (NFAIs). Material and methods: The study group consisted of 131 patients with hormonally inactive adrenal incidentalomas....
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Non-steroidal anti-inflammatory drugs are safe with respect to the transcriptome of human dermal fibroblasts
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Level and significance of European Union means in the budgets of non-urban poviats of Pomeranian voivodeship
PublikacjaJednym z warunków prowadzenia działań mających na celu rozwój obszaru jest posiadanie środków finansowych pozwalających realizować zadania, które ten rozwój determinują. Środki te pochodzić mogą z różnych źródeł. Jednym z tych źródeł jest wsparcie pochodzące z budżetu Unii Europejskiej przyznawane w określonych ramach czasowych zwanych okresem programowania. Polska już po raz drugi korzystać może z pomocy udzielanej w tej formie....
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Nonlinear generation of non-acoustic modes by low-frequency sound in a vibrationally relaxing gas
PublikacjaTwo dynamic equations referring to a weakly nonlinear and weakly dispersive flow of a gas in which molecular vibrational relaxation takes place. are derived. The first one governs an excess temperature associated with the thermal mode, and the second one describes variations in vibrational energy. Both quantities refer to non-wave types of gas motion. These variations are caused by the nonlinear transfer of acoustic energy into...
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Wyznaczanie gęstości opakowania materiału w silosie nan podstawie danych pomiarowych ECT
PublikacjaW pracy przedstawiono wyniki próby skorelowania zmian koncentracji materiału sypkiego ze wskaźnikiem porowatości. Analizę wykonano dla stanu spoczynkowego materiału sypkiego.
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Non-linearity of multibody dynamic equations with respect to Lagrange multipliers: application to railway dynamics
PublikacjaPraca koncentruje się na dynamice układów wieloczłonowych z zamkniętymi łańcuchami członów. Głównym punktem zainteresowania jest modelowanie układów z występującymi nieliniowymi zależnościami opisującymi wpływ siły mnożników Lagrange'a na dynamikę układu (nieliniowe modele siły tarcia.). Aby zbudować model dynamiki układu zawierającego zamknięte łańcuchy członów, wspomniane łańcuchy są "rozcinane" i budowana jest struktura drzewa...
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Comprehensive circumscribing of non-linearity cases of a water supply system with smooth flow control
PublikacjaW artykule opisano formalnie poprawne metody opisu matematycznego pracy pomp o płynnie regulowanych wydatkach oraz reduktorów ciśnienia i reduktorów przepływu w modelowaniu przepływów ustalonych zachodzących w systemach wodociągowych. Opisano metodę opartą o dynamiczną analizę wrażliwości systemu oraz metodę wykorzystującą charakterystyki hydrauliczne systemu wodociągowego. Przedstawiono wyniki symulacji wykorzystującej ww. metody...
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Distant Non-Obvious Mutations Influence the Activity of a Hyperthermophilic Pyrococcus furiosus Phosphoglucose Isomerase
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Application of Graph Theory Algorithms in Non-disjoint Functional Decomposition of Specific Boolean Functions
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Fulminant hepatic failure in woman with iron and non-steroidal anti-inflammatory drug intoxication
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Effects of Resveratrol Supplementation in Patients with Non-Alcoholic Fatty Liver Disease—A Meta-Analysis
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The invasive and new non-invasive methods of mammalian oocyte and embryo quality assessment: a review
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Kinetic flux vector splitting scheme for solving non-reactive multi-component flows
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Public valuation of social impacts. The comparison between mega and non-mega sporting events
PublikacjaThe main aim of this study is to assign value to intangible effects,including social impacts, which appear when organising sportingevents of various scales in the city of Gdansk located in northernPoland. A survey was conducted to determine the city residents’willingness-to-pay (WTP) using the contingent valuation method(CVM). The average WTP values, which ranged between PLN 6.04and PLN 46.34, show that the scale of the sporting...
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Respiration rate estimation using non-linear observers in application to wastewater treatment plant
PublikacjaA problem of respiration rate estimation using two new non-linear observers for a wastewater treatment plant is addressed in this paper. In particular, a non-linear adaptive Luenberger-like observer and a super twisting sliding mode observer have been derived to produce stable and bounded estimates of the respiration rate. During the synthesis of the particular observer, an appropriate mathematical utility model was used. The observability...
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A Low-Cost System for Far-Field Non-Anechoic Measurements of Antenna Performance Figures
PublikacjaPrototype measurements are the key step in the development of antenna structures. Typically, their far-field characteristics are validated in expensive, dedicated facilities such as open range sites, or anechoic chambers. Despite being necessary for obtaining high-precision data (e.g., for device qualification), the use of costly infrastructure might not be fully justified when the main goal of measurements includes demonstration...
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Non-ergodic fragmentation upon collision-induced activation of cysteine–water cluster cations
PublikacjaCysteine–water cluster cations Cys(H2O)3,6 + and Cys(H2O)3,6H+ are assembled in He droplets and probed by tandem mass spectrometry with collision-induced activation. Benchmark experimental data for this biologically important system are complemented with theory to elucidate the details of the collisioninduced activation process. Experimental energy thresholds for successive release of water are compared to water dissociation energies...
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Estimation of the size of informal employment based on administrative records with non‐ignorable selection mechanism
PublikacjaIn this study, we used company level administrative data from the National Labour Inspectorate and The Polish Social Insurance Institution in order to estimate the prevalence of informal employment in Poland in 2016. Since the selection mechanism is non‐ignorable, we employed a generalization of Heckman’s sample selection model assuming non‐Gaussian correlation of errors and clustering by incorporation of random effects. We found...
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Compact 4 × 4 butler matrix with non‐standard phase differences for IoT applications
PublikacjaButler matrices represent a popular class of feeding networks for antenna arrays. Large dimensions and the lack of flexibility in terms of achievable output phase difference make conventional Butler structures of limited use for modern communication devices. In this work, a compact planar 4 × 4 matrix with non-standard relative phase shifts of –30º, 150º, –120º, and 60º has been proposed. The structure is designed to operate at...
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Detection of Lexical Stress Errors in Non-Native (L2) English with Data Augmentation and Attention
PublikacjaThis paper describes two novel complementary techniques that improve the detection of lexical stress errors in non-native (L2) English speech: attention-based feature extraction and data augmentation based on Neural Text-To-Speech (TTS). In a classical approach, audio features are usually extracted from fixed regions of speech such as the syllable nucleus. We propose an attention-based deep learning model that automatically de...
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Automated detection of pronunciation errors in non-native English speech employing deep learning
PublikacjaDespite significant advances in recent years, the existing Computer-Assisted Pronunciation Training (CAPT) methods detect pronunciation errors with a relatively low accuracy (precision of 60% at 40%-80% recall). This Ph.D. work proposes novel deep learning methods for detecting pronunciation errors in non-native (L2) English speech, outperforming the state-of-the-art method in AUC metric (Area under the Curve) by 41%, i.e., from...
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The selective salinity and hydrazine parameters for the start-up of non-anammox-specific biomass SBR
PublikacjaThe presence of ammonium (NH 4+ ) in wastewater above the permissible limits leads to undesirable ecological impact and public health concerns. In this study, the anaerobic ammonium oxidizing (anammox) bacteria-mediated nitrogen removal was investigated using a sequential batch reactor (SBR). Effects of different salinity levels were evaluated on the bacterial activity at: mild (below 0.2 g NaCl/L), elevated (18.2 g NaCl/L) and...
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Effects of rapid heating on non-equilibrium microstructure evolution and strengthening mechanisms of titanium alloy
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The covalent and non-covalent conjugation of graphene oxide with hydroxycamptothecin in hyperthermia for its anticancer activity
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Non-standard contact conditions in generalized continua: microblock contact model for a Cosserat body
PublikacjaGeneralized continuum theories involve non-standard boundary conditions that are associated with the additional kinematic variables introduced in those theories, e.g., higher gradients of the displacement field or additional kinematic degrees of freedom. Accordingly, formulation of a contact problem for such a continuum necessarily requires that adequate contact conditions are formulated for the additional kinematic variables and/or...
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Non-Adaptive Rotor Speed Estimation of Induction Machine in an Adaptive Full-Order Observer
PublikacjaIn the sensorless control system of an induction machine, the rotor speed value is not measured but reconstructed by an observer structure. The rotor speed value can be reconstructed by the classical adaptive law with the integrator. The second approach, which is the main contribution of this paper, is the non-adaptive structure without an integrator. The proposed method of the rotor speed reconstruction is based on an algebraic...
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Weakly-Supervised Word-Level Pronunciation Error Detection in Non-Native English Speech
PublikacjaWe propose a weakly-supervised model for word-level mispronunciation detection in non-native (L2) English speech. To train this model, phonetically transcribed L2 speech is not required and we only need to mark mispronounced words. The lack of phonetic transcriptions for L2 speech means that the model has to learn only from a weak signal of word-level mispronunciations. Because of that and due to the limited amount of mispronounced...
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Distributed protection against non-cooperative node behavior in multi-hop wireless networks
PublikacjaAn important security problem in today's distributed data networks is the prevention of non-cooperative behavior i.e., attacks consisting in the modification of standard node operation to gain unfair advantage over other system nodes. Such a behavior is currently feasible in many types of computer networks whose communication protocols are designed to maximize the network performance assuming full node cooperation. Moreover, it...
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Exact resultant equilibrium conditions in the non-linear theory of branching and self-intersecting shells
PublikacjaWe formulate the exact, resultant equilibrium conditions for the non-linear theory of branching and self-intersecting shells. The conditions are derived by performing direct through-the-thickness integration in the global equilibrium conditions of continuum mechanics. At each regular internal and boundary point of the base surface our exact, local equilibrium equations and dynamic boundary conditions are equivalent, as expected,...
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Non-adiabatic Effects in Pressure Drop Calculations in Flow Boiling and Flow Condensation in Minichannels
PublikacjaConsiderations presented in the paper relate both to the case of flow boiling and flow condensation in conventional channels as well as small diameter ones. Authors devoted all the possible attention that the modeling presented is applicable to the whole range of quality variation in both cases of condensation and boiling. The form of two-phase flow multiplier, which is a major factor in modeling presented here, should be capable...
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Effects of acute hypercapnia on the amplitude of cerebrovascular pulsation in humans registered with a non-invasive method
PublikacjaCelem pracy jest przedstawienie wpływu silnego zwiększenia ciśnienia dwutlenku węgla we krwi na amplitudę tętnienia naczyń mózgowych zarejestrowanego metodą bezinwazyjną.
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Non-invasive biological fluid matrices analysed to assess exposure to environmental tobacco smoke
PublikacjaPalenie tytoniu stanowi istotne źródło zanieczyszczenia powietrza wewnętrznego. Szkodliwość palenia tytoniu potwierdzają zarówno badania doświadczalne, jak i liczne opracowania epidemiologiczne. Celem przeprowadzonych prac badawczych było oznaczenie zawartości wybranych jonów nieorganicznych (zwłaszcza jonów rodankowych jako biomarkerów narażenia na składniki obecne w środowiskowym dymie tytoniowym) w próbkach płynów biologicznych...