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Wyniki wyszukiwania dla: Letters
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Letters detection in the photograph
PublikacjaUrządzenie do lokalizacji i odczytu napisów z przeznaczeniem dla osób niewidomych może wykorzystywać standardowe systemy rozpoznawania znaków OCR (ang. Optical Character Recognition). Niestety ze względu na złożoność scen w terenie systemy takie nie potrafią analizować zdjęć bezpośrednio. Zdjęcia przed uruchomieniem systemu OCR wymagają przetworzenia polegającego na segmentacji i wyszukaniu segmentów podobnych do liter. Podejście...
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The muscovian letters of Francesco Locatelli (1735), or the illusory modernisation of Russia's legal and political system during the reign of Peter The Great and his successors
PublikacjaIn the 18 th century thinkers of the French Enlightenment discover Russia, whose institutional reforms replace their traditional utopian topies. The myths of Peter the Great and of Catherine II as Minerva of the North are created Russia also becomes a peculiar laboratory of Enlightenment incarnate. Francesco Locatelli, the author of the Muscovian Letters, who between 1733 and 1735 spend two years in Russian prisons, attempts...
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Dual-band antenna with improved gain for WLAN and ISM applications
PublikacjaIn this Letter, a dual-band antenna with an improved gain is proposed. The structure features 9.7 and 10.4 dBi gain within 2.4 GHz to 2.5 GHz and 5 GHz to 6 GHz bands, respectively. This makes it suitable for WLAN and ISM applications. The structure comprises an asymmetrical pair of radiators and slots suspended over a reflector. The antenna is optimised in a two-stage process using a trust-region-based gradient search algorithm....
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Time travel without paradoxes: Ring resonator as a universal paradigm for looped quantum evolutions
PublikacjaA ring resonator involves a scattering process where a part of the output is fed again into the input. The same formal structure is encountered in the problem of time travel in a neighborhood of a closed timelike curve (CTC). We know how to describe quantum optics of ring resonators, and the resulting description agrees with experiment. We can apply the same formal strategy to any looped quantum evolution, in particular to the...
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Ab Initio Study of the Electronic Spectrum of 7-Hydroxyquinoline
PublikacjaThe electronic spectrum of 7-hydroxyquinoline has been studied by using ab initio Multi-State Multi-Reference Møller-Plesset Second-Order Perturbation Theory (MSMRMP2). The energy range up to 6.5 eV is taken into consideration. The lowest π–π* transition is calculated to have an energy of 3.65 eV in good agreement with experimental data. Several other π–π* transitions are predicted to have excitation energies of 4.93, 5.20, 5.47,...
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On the Possibilities of Decreasing Power Loss in Large Tilting Pad Thrust Bearings
PublikacjaJournal Menu About this Journal Abstracting and Indexing Aims and Scope Article Processing Charges Articles in Press Author Guidelines Bibliographic Information Citations to this Journal Contact Information Editorial Board Editorial Workflow Free eTOC Alerts Publication Ethics Submit a Manuscript Table of Contents Abstract Full-Text PDF Full-Text HTML...
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An efficient and convenient synthesis of unsymmetrical disulfides from thioacetates
PublikacjaWe have developed convenient methods for the synthesis of functionalized unsymmetrical dialkyl disulfides under mild conditions in very good yields. The designed method is based on the reaction of (5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl)-disulfanyl derivatives 1 with functionalized alkyl thiolate anions, generated in situ from thioacetates2and sodium methoxide or butylamine. The developed method allows the preparation...
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Amino-modified mesoporous silica SBA-15 as bifunctional drug delivery system for cefazolin: Release profile and mineralization potential
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Bioactive monolithic composites of silica/polydimethylsiloxane/calcium phosphate obtained at room temperature in sol–gel micromolding technique
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DNA base modifications in chromatin of human cancerous tissues
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Hard anodization of copper in potassium carbonate aqueous solution
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Ultrasound assisted synthesis of 3-alkynyl substituted 2-chloroquinoxaline derivatives: their in silico assessment as potential ligands for N-protein of SARS-CoV-2
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In silico studies and β-cyclodextrin mediated neutral synthesis of 4-oxo-4,5,6,7-tetrahydroindoles of potential biological interest
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Two-electron entanglement in a two-dimensional isotropic harmonic trap: Radial correlation effects in the low density limit
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The von Neumann entanglement entropy for Wigner-crystal states in one dimensional N-particle systems
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Entanglement in S states of two-electron quantum dots with Coulomb impurities at the center
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Bipartite correlations in quantum resonance states
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Optimized configuration interaction approach for trapped multiparticle systems interacting via contact forces
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Two-electron entanglement in elliptically deformed quantum dots
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Comment on “Entanglement of two interacting bosons in a two-dimensional isotropic harmonic trap” [Phys. Lett. A 373 (2009) 3833]
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Rotationally invariant bipartite states and bound entanglement
PublikacjaW pracy rozważano stany kwantowe niezmiennicze na działanie grupy SO(3). Pokazano, że w przypadku, gdy pierwszy podukład ma parzysty wymiar większy lub równy cztery oraz drugi podukład ma wymiar dowolny, większy niż pierwszy to pośród takich stanów zawsze istnieje splątanie związane.
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Thermal properties of dense polymer-derived SiCN(O) glasses
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Enantiopure C1-Cyclotriveratrylene with a Reversed Spatial Arrangement of the Substituents
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Mapping Mechanostable Pulling Geometries of a Therapeutic Anticalin/CTLA-4 Protein Complex
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Photocatalytic Removal of Phenol Under UV Irradiation on WO x –TiO2 Prepared by Sol–Gel Method
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TiO2 Nanoparticles with High Photocatalytic Activity Under Visible Light
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Targeting of p53 and its homolog p73 by protoporphyrin IX
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Aberration of the enzymatic activity of Fhit tumor suppressor protein enhances cancer cell death upon photodynamic therapy similarly to that driven by wild-type Fhit
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Room-Temperature Ferromagnetism in InSb-Mn Nanowires
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Contribution of small heat shock proteins to muscle development and function
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Lower Temperature Dehydrogenation of Methylcyclohexane by Membrane-assisted Equilibrium Shift
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Evidence for sex steroid receptors in feline brainstem
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Fabrication of diet supplements components applied in order to reduce body mass
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Novel Catalysts, Room Temperature, and the Importance of Oxygen for the Synthesis of Single-Walled Carbon Nanotubes
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Solid-Phase Microextraction for the Determination of Inorganic Ions: Applications and Possibilities
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Application of polyethylene glycol-coated iron oxide nanoparticles for magnetic solid phase extraction of copper from seawater samples and its determination by graphite furnace atomic absorption spectrometry using response surface methodology for optimization of extraction
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Molecularly Imprinted Polymers for Stir Bar Sorptive Extraction: Synthesis, Characterization, and Application
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Innate lymphoid cells type 2 – emerging immune regulators of obesity and atherosclerosis
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Mechanism for sonocoating a polymer surface with nano-hydroxyapatite
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The role of solvent solubility parameters in the formation of intermittent low and high molecular weight polystyrene rich structures in a thin film resulting from water vapor induced phase separation
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Serendipitous synthesis of trimetallic porphyrazine triads
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Synthesis, characteristics and photochemical studies of novel porphyrazines possessing peripheral 2,5-dimethylpyrrol-1-yl and dimethylamino groups
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First example of a diazepinoporphyrazine with dendrimeric substituents
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EZH2 and SMYD3 expression in papillary thyroid cancer
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Survivin DEx3 as a biomarker of thyroid cancers: A study at the mRNA and protein level
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High efficacy and safety of VTD as an induction protocol in patients with newly diagnosed multiple myeloma eligible for high dose therapy and autologous stem cell transplantation: A report of the Polish Myeloma Study Group
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Multiple intermodal-vectorial four-wave mixing bands generated by selective excitation of orthogonally polarized LP01 and LP11 modes in a birefringent fiber
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A Reaction of Thioamides with Zinc Ammoniates Leading to Simple Amidines. Discovery of a New Zwitterionic Monomethylamidine
PublikacjaThe reaction of thioamides with the R1R2N-ZnCl ammoniates leads to N-mono-, N,N'-di-, N,N-disubstituted, and unsubstituted amidines with high concns. of amines in abs. ethanol. The efficient direct formation of the N,N'-dimethylamidine can be explained by a greater reactivity of methylamine compared with dimethylamine. Discovery of a new zwitterion (induced by a carbonyl oxygen) suggests that the stabilization in the thymine...
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Selective Cytostatic and Cytotoxic Anticancer Effects of Bisfunctional Agents: A Strategy for the Design of DNA Binding Agents
PublikacjaVarious agents have been synthesized and proved useful for the National Cancer Institute's anticancer testing as potential new drugs, but most agents suffer side effects from their limited selectivity against cancer cells over healthy ones. Therefore, this paper attempts to describe drugs in terms of the level of tumor cell selectivity which they possess to define the features of mols. that are essential for useful cytotoxicity....
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Neuromorphic Binarized Polariton Networks
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