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Search results for: DIN
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Jager W., Marzahn G.: Mauerwerk. Bemessung nach DIN 1053-100
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Maksymalny stopień zbrojenia poprzecznego elementów żelbetowych wg zasad wymiarowania przyjętych w EC:2002, DIN:2001, PN:2002.
PublicationW pracy przedstawiono problematykę maksymalnego stopnia zbrojenia na ścinanie elementów żelbetowych, pokazaną na tle wymagań normowych europejskich oraz niemieckich i polskich. Uzyskane wyniki porównano z danymi eksperymentalnymi.
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Bezpieczne wymiarowanie ścinania ze zmiennym kątem THETA w kratownicach zastępczych według norm EC:2003, DIN:2003, PN:2002
PublicationPraca przedstawia zagadnienie wymiarowania elementów żelbetowych na ścinanie według zmodyfikowanej kratownicy Morscha, zamieszczonej w normach: europejskiej, niemieckiej i polskiej. Podano praktyczne wnioski odnośnie bezpiecznego przyjmowania kąta THETA, odwzorowującego nachylenie myślowo wydzielonych betonowych krzyżulców ściskanych.
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Rozważania na temat bezpiecznego wymiarowania ścinania ze zmiennym kątem THETA w kratownicach zastępczych według norm EC:2003 DIN:2001 PN:2002
PublicationW pracy przedstawiono problem bezpiecznego projektowania elementów żelbetowych na ścinanie według zmodyfikowanego modelu kratownicowego Morscha, w ujęciu normy europejskiej, polskiej i niemieckiej. Wykazano, że przyjmowane graniczne kąty nachylenia betonowych krzyżulców ściskanych mogą być w pełni bezpiecznie stosowane do analizy konstrukcji.
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9-Cyano-10-methylacridinium hydrogen dinitrate
PublicationThe title compound, C15H11N2+·HN2O6−, crystallizes in the monoclinic space group C2/c with four molecules in the unit cell. The planar 9-cyano-10-methylacridinium cations lie on crystallographic twofold axes and are arranged in layers, almost perpendicular to the ac plane, in such a way that neighbouring molecules are positioned in a `head-to-tail' manner. These cations and the hydrogen dinitrate anions are linked through C—H⋯O...
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15 N NMR and FTIR studies of 2,4-dinitroanilines and their salts
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Identification of X-DING-CD4, a new member of human DING protein family that is secreted by HIV-1 resistant CD4+ T cells and has anti-viral activity
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Conformers and hydrogen bond transformations in N-methylpiperidine betaine 2,4-dinitrophenolate crystals
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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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Effects of dinuclear berenil-platinum(II) complexes on fibroblasts redox status
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New Dinuclear Macrocyclic Copper(II) Complexes as Potentially Fluorescent and Magnetic Materials
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Synthesis of novel dinuclear ruthenium polypyridine dye for dye-sensitized solar cells application
PublicationA new dinuclear ruthenium(II) polypyridine complex has been successfully synthesized. The new compound has been characterized by spectroscopic and electrochemical methods. Its potential application as a sensitizing dye in dye-sensitized solar cells has been checked under AM 1.5 G irradiation conditions (100 mW cm−2) and its performance was compared to that of a commercially available mononuclear analogous dye. The overall light-to-electricity...
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Effect of novel dinuclear platinum(II) complexes on redox status of MOLT-4 leukemic cells
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Kinetic and equilibrium studies of the proton and deuteron transfer reaction between bis(2,4-dinitrophenyl)methane and strong nitrogen bases in acetonitrile
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Structure and characterization of physicochemical and magnetic properties of new complex containing monobridged oxygen copper(II) dinuclear cation
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Three-fast-searchable graphs
PublicationIn the edge searching problem, searchers move from vertex to vertex in a graph to capture an invisible, fast intruder that may occupy either vertices or edges. Fast searching is a monotonic internal model in which, at every move, a new edge of the graph G must be guaranteed to be free of the intruder. That is, once all searchers are placed the graph G is cleared in exactly |E(G)| moves. Such a restriction obviously necessitates...
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Allelic length of a CA dinucleotide repeat in theegfr gene correlates with the frequency of amplifications of this sequence—first results of an inter-ethnic breast cancer study
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Vibrational Sum-Frequency Generation Activity of a 2,4-Dinitrophenyl Phospholipid Hybrid Bilayer: Retrieving Orientational Parameters from a DFT Analysis of Experimental Data
PublicationThe vibrational nonlinear activity of films of 2,4-dinitrophenyl phospholipid (DNP) at the solid interface is measured by sum-frequency generation spectroscopy (SFG). Hybrid bilayers are formed by a LangmuirSchaefer approach in which the lipid layer is physisorbed on top of a self-assembled monolayer of dodecanethiol on Pt with the polar heads pointing out from the surface. The SFG response is investigated in two vibrational frequency...
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Fire Protection and Materials Flammability Control by Artificial Intelligence
PublicationFire safety has become a major challenge of materials developers because of the massive production of organic materials, often combustibles, and their use for different purposes. In this sense, fire safety is critically considered in the development of engineering materials [1, 2]. The multiplicity of parameters contributing to the development of formulation of flame-retardant materials from one side and the sustainability concerns...
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Wide range of properties of polyurethanes for medicine - characterization of biomaterials
PublicationW artykule opisano różnorodność poliuretanów stosowanych na polu biomedycznym. Wyrózniono mtody otrzymywania materiałów o róznych własciwościach, a tym samym zastosowaniach. Opisano 10 serii potrzymanych PU oraz wyniki charakterystyki fizycznej, powierzchniowej i biologicznej tych poliuretanów.
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Poliuretany biomedyczne otrzymane na bazie poli(-kaprolaktonu) oraz poliglikolu etylenowego
PublicationW artykule omówiono metody syntezy poliuretanów do zastosowań medycznych w oparciu o dwa związki pełniące funkcje oligodioli: poliglikol etylenowy i polikaprolakton. W wyniku niekatalizowanej, bezrozpuszczalnikowej syntezy otrzymano kilka serii polimerów. Dla otrzymanych poliuretanów przeprowadzono charakterystyki powierzchniowe i termiczne, obserwacje pęcznienia oraz testy biozgodności in vitro. Otrzymane wyniki przedstawiono...
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Poliuretany do zastosowań w medycynie na bazie poli(ε-aprolaktonodiolu) oraz poliglikolu etylenowego. Poly(ε-caprolactonediol) and polyethylene glycol-based polyurethanes for medical applications
PublicationOmówiono sposoby otrzymywania poliuretanów do zastosowań medycznych. W wyniku modyfikacji znanej metody prepolimerowej syntezy otrzymano dwie serii nowych poliuretanów różniących się składem chemicznym, dlaktórych przygotowano pełne charakterystyki właściwości. Wykazano, że wprowadzenie poliglikolu etylenowego do struktury poliestouretanówotrzymanych na bazie polikaprolaktonu znacząco poprawia powinowactwo materiałów do wody, zwiększa...
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Light formed through urban morphology and different organism groups: First findings from a systematic review
PublicationThe prevailing implementation and usage of contemporary lighting technologies and design practices in cities have created over-illuminated built environments. Recent studies indicate that exposure to electric lighting effects formed through spatial characteristics has visual, physiological, and behavioural effects on both humans and non-humans, such as wildlife. In order to gain a better understanding of the impact that electric...
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Structural characterization and biological properties of a new dinuclear oxidovanadium(IV) N -(phosphonomethyl)iminodiacetate complex with the 4-amino-2-methylquinolinium cation
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A strong preference for the TA/TA dinucleotide step discovered for an acridine-based, potent antitumor dsDNA intercalator, C-1305: NMR-driven structural and sequence-specificity studies
PublicationTriazoloacridinone C-1305, a potent antitumor agent recommended for Phase I clinical trials, exhibits high activity towards a wide range of experimental colon carcinomas, in many cases associated with complete tumor regression. C-1305 is a well-established dsDNA intercalator, yet no information on its mode of binding into DNA is available to date. Herein, we present the NMR-driven and MD-refined reconstruction of the 3D structures...
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The First Dinuclear Nickel(II) Thiosulfate Obtained From Oxidation of Tri-tert-butoxysilanethiol. Contributions to the Chemistry of Silicon-Sulfur Compounds No. 78[1]
PublicationPrezentowany związek {[Ni2(μ-S2O3)2(C7H9N)4-H2O]C7H8} (1) jest pierwszym tiosiarczanem metalu otrzymanym w wyniku utlenienia silanotiolu. Mechanizm tej reakcji zakłada powstawanie (RO)3SiSSSi(OR)3 jako jako produktu pośredniego. Bimetaliczny związek niklu(II) posiada dwie reszty tiosiarczanowe pełniące rolę liganda zarówno -S,O chelatującego jak i S-mostkującego łączącego oba centra metaliczne. Związek krystalizuje jako dimer z...
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Test Execution Logging and Visualization Techniques
PublicationTraditionally, log traces of test cases ex ecution are stored in textual format and their analysis is done in a post- execution phase. Our approach bases on the concept of gr aphical presentation of te st execution which enables better analysis of log traces and also gives the opportunity to consider them on-line. In particular, we discuss the graphical symbols we chose, we pres ent the logging interface we defined a nd describe...
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Badania doświadczalne naporu materiału sypkiego w silosach.
PublicationPokazano wyniki naporu materiału sypkiego na ścianę leja dużego silosu za pomocą wbudowanych w ścianę czujników pomiarowych. Silos był napełniany i opróżniany centrycznie. Zastosowany materiał to suchy piasek.
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Experimental and computational study on the reactivity of 2,3-bis[(3-pyridylmethyl)amino]-2(Z)-butene-1,4-dinitrile, a key intermediate for the synthesis of tribenzoporphyrazine bearing peripheral methyl(3-pyridylmethyl)amino substituents
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Analysis of mHealth research: mapping the relationship between mobile apps technology and healthcare during COVID-19 outbreak
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Correlated electrons and transport in a quantum point contact and in a double-quantum-dot system
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Anatomy of noise in quantitative biological Raman spectroscopy
PublicationRaman spectroscopy is a fundamental form of molecular spectroscopy that is widely used to investigate structures and properties of molecules using their vibrational transitions. It relies on inelastic scattering of monochromatic laser light irradiating the specimen. After appropriate filtering the scattered light is dispersed onto a detector to determine the shift from the excitation wavelength, which appears in the form of...
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Targeting Spike‐ACE2 Interface of SARS‐CoV‐2 and its Omicron Variant: A Comparative Screening of Potential Inhibitors for Existing and Anticipating Variants Using Molecular Modelling Approach
PublicationThe recent COVID pandemic has shown major impact on public health and economic crisis. Despite the development of many vaccines and drugs against the severe acute respiratory syndrome (SARS) coronavirus 2, the pandemic still persists. The continued spread of the virus is largely driven by the emergence of viral variants such as α, β, γ, delta, epsilon spike, omicron and its subvariants (BA.1,2,3) which can evade the current vaccines...
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Synergistic effect of nickel formate on the thermal and flame-retardant properties of polypropylene
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KEMR-Net: A Knowledge-Enhanced Mask Refinement Network for Chromosome Instance Segmentation
PublicationThis article proposes a mask refinement method for chromosome instance segmentation. The proposed method exploits the knowledge representation capability of Neural Knowledge DNA (NK-DNA) to capture the semantics of the chromosome’s shape, texture, and key points, and then it uses the captured knowledge to improve the accuracy and smoothness of the masks. We validate the method’s effectiveness on our latest high-resolution chromosome...
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Investigation of Noise-Induced Instabilities in Quantitative BiologicalSpectroscopy and Its Implications for Noninvasive Glucose Monitoring
PublicationPrzedstawiono sposób oceny błędów jakie pojawiają się przy estymacji poziomu glukozy we krwi za pomocą pomiarów widm Ramana. Zastosowano nieliniowy algorytm regresji według maszyny wektorów nośnych. Określono jak na wyznaczenie stężenia glukozy we krwi wpływają błędy pomiarów widmach Ramana oraz błędów pomiaru referencyjnego stężenia glukozy podczas etapu kalibracji modelu (etapu uczenia algorytmu maszyny wektorów nośnych). Określono...
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From U2TP Models to Executable Tests with TTCN-3
PublicationThe approach towards system engineering according to Model-Driven Architectures (MDA) with code generation derived from model implies also an increased need for research on automation of the test generation process. This paper presents an approach to derive executable tests from UML 2.0 Testing Profile diagrams automatically. In particular, an approach to derive executable tests within the Testing and Test Control Notation (TTCN-3)...
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Recent advances on magnetic carbon-related materials in advanced oxidation processes of emerging pollutants degradation
PublicationRecently, carbon-related materials have been proposed to improve the charge separation of the photogenerated carriers in the semiconductor matrices’ and surface properties. Carbon-related materials may act as co-catalysts, enhancing the pollutants adsorption on the surface, improving the charge carriers separation and photocatalyst stability and providing more active centres for photocatalytic reactions. This review summarizes...
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Loads on walls and inserts in a mass-flow silos
PublicationArtykuł przedstawia numeryczną symulację przepływu materiału sypkiego w silosach z uwzględnieniem wkładki silosowej o kształcie podwójnego stożka. Pokazany został wpływ zamontowanej wkładki na rodzaj przepływu oraz na wartość i kształt naporu na ścianę silosu.
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Berry seed oils as potential cardioprotective food supplements
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Ultrafast degradation of brilliant cresyl blue under hydrodynamic cavitation based advanced oxidation processes (AOPs)
PublicationThe study highlights effectiveness of hydrodynamic cavitation (HC) in the degradation of effluents polluted by Brilliant Cresyl Blue (BCB) dye. Optimal process parameters were cavitation number 0.27, inlet pressure 1.70 bar, temperature 20 °C and pH 7. The efficiency of HC was investigated in combination with other advanced oxidation processes, including the addition of external oxidants (hydrogen peroxide, ozone, and sodium persulfate)...
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Designing a high-sensitivity dual-band nano-biosensor based on petahertz MTMs to provide a perfect absorber for early-stage non-melanoma skin cancer diagnostic
PublicationThe purpose of this study is development of a novel high-performance low-Petahertz (PHz) biosensor for non-melanoma skin cancer (NMSC) diagnosis. The presented device is designed to work within a microwave imaging regime, which is a promising alternative to conventional diagnostic methods such as visual examination, dermoscopy, and biopsy. The suggested biosensor incorporates a dual-band perfect absorber (operating bands at 0.909...
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Synthesis of Multiwalled Carbon Nanotubes by Catalytic Combustion of Polypropylene
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Measurement of filling and discharging loads in a full scale hopper.
PublicationArtykuł przedstawia wyniki doświadczalne naporu piasku na ścinanie uzyskane podczas napełniania i opróżniania leja silosu o pojemności 2.5 m3. Pokazane zostały wartości naporu w funkcji czasu oraz kształt powierzchni górnej materiału dla poszczególnych etapów napełniania i opróżniania.
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ROLE OF GREEN LOGISTICS IN THE CONSTRUCTION OF SUSTAINABLE SUPPLY CHAINS
PublicationThe global supply chain has been growing strongly in recent years. This development brings many benefits to the economy, society, and human resources in each country but also causes a large number of concerns related to the environment since traditional logistics activities in the supply chain have been releasing significant amount of emissions. For that reason, many solutions have been proposed to deal with these environmental...
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An Instantaneous Engine Speed Estimation Method Using Multiple Matching Synchrosqueezing Transform
PublicationInstantaneous rotational speed measurement of the engine is crucial in routine inspection and maintenance of an automobile engine. Since the contact measurement of rotational speed is not always available, the vibration measurement has been used for noncontact rotational speed estimation methods. Unfortunately, the accuracy of the noncontact estimation methods by analyzing engine vibration frequency is not satisfactory due to the...
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Moisture damage mechanism and material selection of HMA with amine antistripping agent
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Binder availability and blending efficiency of reclaimed asphalt: A state-of-the-art review
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Validation of high-resolution 3D patient QA for proton PBS and IMPT using laser CT of improved polymer gel dosimeters
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New approach in SARS-CoV-2 surveillance using biosensor technology: a review
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