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Search results for: PIPE-EMBEDDED STRUCTURE
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The concept of capillary forces supported evaporator for application to domestic ORC unit
PublicationIn the paper presented are studies on the investigation of the capillary forces effect inducted in the porous structure of a loop heat pipe. The potential application of such heat exchanger is for example an evaporator of the domestic micro CHP unit. Preliminary analysis of the results indicates water as having the best potential, however taking into account all issues it can be said that the best effect is obtained using ethanol.
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ESCASA : Analytical estimation of atomic coordinates from coarse‐grained geometry for nuclear‐magnetic‐resonance ‐assisted protein structure modeling. I. Backbone and Hβ protons
PublicationA method for the estimation of coordinates of atoms in proteins from coarse-grained geometry by simple analytical formulas (ESCASA), for use in nuclear-magnetic-resonance (NMR) data-assisted coarse-grained simulations of proteins is proposed. In this paper, the formulas for the backbone Hα and amide (HN) protons, and the side-chain Hβ protons, given the Cα-trace, have been derived and parameterized, by using the interproton distances...
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Katarzyna Merkel dr hab.
PeopleOver the past 15 years, my work has mainly been related to the study of liquid crystal compounds with a diverse structure (discotic, dendrimeric, banana, bimedogenic, uniaxial and biaxial nematics and smectics) as well as polymeric materials (biopolymers, nano-composites) and biological materials. My work concerned mainly the issues of organization, observation of orientation effects, studying the dynamics of molecular processes...
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Zdzisław Kowalczuk prof. dr hab. inż.
PeopleZdzislaw Kowalczuk received his M.Sc. degree in 1978 and Ph.D. degree in 1986, both in Automatic Control from Technical University of Gdańsk (TUG), Gdańsk, Poland. In 1993 he received his D.Sc. degree (Dr Habilitus) in Automatic Control from Silesian Technical University, Gliwice, Poland, and the title of Professor from the President of Poland in 2003. Since 1978 he has been with Faculty of Electronics, Telecommunications and Informatics...
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Sulfonamides with hydroxyphenyl moiety: Synthesis, structure, physicochemical properties, and ability to form complexes with Rh(III) ion
PublicationSulfonamides are the first successfully synthesized antimicrobial drugs. The mechanism of sulfonamides’ antimicrobial action involves competitive inhibition of folic acid synthesis and prevention of the growth and reproduction of bacteria. Even though they have been applied in therapy for more than 75 years, sulfonamides are still the drugs of choice for the treatment of various diseases. The aim of this work was to synthesize...
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Negative Poisson’s ratio from pentagons: A new auxetic structure combining three different auxetic mechanisms
PublicationA novel class of two-dimensional auxetic structures based on the pentagon motif is proposed. Their mechanical properties are investigated by combining molecular mechanics simulations with a simple three-parameter mechanical model which assumes perfectly elastic behavior. It is predicted that the proposed structures – termed as double re-entrant honeycomb – may possess unique mechanical characteristics, which include complete and...
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Theoretical Design of the Molecular Structure of Bent-Core Mesogens with Large Second-Order Nonlinear Optical Properties
PublicationABSTRACT: The first hyperpolarizability of two series of moleculeswith bent-shaped structures has been calculated at the ab initio level.The two series consist of carboxyl derivatives for which somemolecules are known to exhibit banana phases and of their sulfinatehomologues that have not been synthesized yet. The final purpose isto reveal the relevance or not in synthesizing these latter molecules.The strategy is based on reporting...
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Isolation and structure elucidation of phenolic compounds from Cyclopiasubternata Vogel (honeybush) intact plant and in vitro cultures
PublicationZ materiału roślinnego i hodowli tkankowych Cyclopia subternata Vogel (miodokrzew) wyizolowano i zidentyfikowano matodami NMR i MS 10 związków. m.in. z grupy flawonów i glikozydów izoflawonów. 6 z nich po raz pierwszy wykryto w tym gatunku roślin.
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How the “Liquid Drop” Approach Could Be Efficiently Applied for Quantitative Structure–Property Relationship Modeling of Nanofluids
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Cement-based composites with waste expanded perlite - Structure, mechanical properties and durability in chloride and sulphate environments
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The effect of a polyharmonic structure of the perturbation signal on the results of harmonic analysis of the current of a first-order electrode reaction
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Three-dimensional structure of wave-induced momentum flux in irrotational waves in combined shoaling-refraction conditions
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<title>Fiber-optic low-coherence tomography system for visualization of internal structure of ceramic materials</title>
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Synthesis, chemical structure and properties of cross-linked poly(esterourethanes) based on unsaturated oligo(alkyleneester)diols
PublicationW pracy przedstawiono wyniki badań struktury chemicznej i właściwości nienasyconych oligo(alkilenoestro)dioli oraz syntetyzowanych z ich udziałem poli(estrouretanów). Strukturę oligomeroli oraz poliuretanów ustalono w oparciu o wyniki badań FTIR, NMR, analizę elementarną. Właściwości poli(estrouretanów) określono przez pomiary stabilności termicznej, analizę termomechaniczną oraz obliczenia ciężaru cząsteczkowego łańcuchów polimerowych...
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Structure and electric conductivity of reduced lead-germanate, bismuth-germanate and bismuth-silicate glasses modified with potassium
PublicationZbadano szkła germanianowo-ołowiowe i krzemianowo+bizmutowe. Warstwy metalicznych granul wytwarzano w nich poprzez redukcję powierzchni w atmosferze wodoru. Praca dotyczy wpływu potasu na właściwości szkła. Przeprowadzono badania metodami mikroskopii sił atomowych, DSC oraz pomiary przewodności elektrycznej. Stwierdzono, że obecność potasu poprawia mechaniczne i technologiczne właściwości szkła.
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Effects of Urea and Trimethylamine-N-oxide on the Properties of Water and the Secondary Structure of Hen Egg White Lysozyme
PublicationW celu określenia sposobu hydratacji mocznika i N-tlenku trimetyloaminy, wykorzystano spektroskopię oscylacyjną FTIR. Dane eksperymentalne, otrzymane z pomiarów widm oscylacyjnych wody półciężkiej (HDO) rozcieńczonej izotopowo w wodnych roztworach badanych związków, analizowane były za pomocą "metody widm różnicowych". Strukturalno-energetyczna charakterystyka wody zaburzonej przez cząsteczki osmolitów wskazuje, że woda zaburzona...
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Structure–activity relationships study on biological activity of peptides as dipeptidyl peptidase IV inhibitors by chemometric modeling
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Design, synthesis and structure–activity relationships of novel phenylalanine-based amino acids as kainate receptors ligands
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TiCoCrFeMn (BCC + C14) High-Entropy Alloy Multiphase Structure Analysis Based on the Theory of Molecular Orbitals
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Inhibition of phthalocyanine-sensitized photohemolysis of human erythrocytes by polyphenolic antioxidants: description of quantitative structure–activity relationships
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Two-electron reduction of quinones by Enterobacter cloacae NAD(P)H:nitroreductase: quantitative structure-activity relationships
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The effect of CeO2 on the thermal stability, structure and thermoluminescence and optically stimulated luminescence properties of barium borate glass
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Designing RBFNs Structure Using Similarity-Based and Kernel-Based Fuzzy C-Means Clustering Algorithms
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Analysis of cost structure of international road transport operators in West Pomeranian voivodship in the years 2008-2014
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PAID-PL—The Polish Version of the Problem Areas in Diabetes Scale: Perfect Reliability and a One-Factor Structure
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Combining the MARTINI and Structure-Based Coarse-Grained Approaches for the Molecular Dynamics Studies of Conformational Transitions in Proteins
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Interconnected nanoporous carbon structure delivering enhanced mass transport and conductivity toward exceptional performance in supercapacitor
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Designing of an effective structure of system for the maintenance of a technical object with the using information from an artificial neural network
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Design of serine proteinase inhibitors by combinatorial chemistry using trypsin inhibitor SFTI‐1 as a starting structure
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Numerical Verification of Tests on the Influence of the Imposed Thermal Cycles on the Structure and Properties of the S700MC Heat-Affected Zone
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Crystal structure and physical properties of Mg6Cu16Si7-type M6Ni16Si7, for M=Mg, Sc, Ti, Nb, and Ta
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Synthesis and electrode properties of 19-membered azo- and azoxycrown ethers. Structure of dibenzo-19-azocrown-7
PublicationW artykule opisano syntezę 19-członowych azo i azoksykoron oraz strukturę dibenzo-19-azokorony-7. Przedstawiono badania elektrodowe niektórych otrzymanych związków. Stwierdzono, że związki są czułe na jony talu (I).
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Selected problems of technological preparation of production of a two-segment passenger inland waterways ship of a combined structure
PublicationPrzystępując do opracowania założeń do ''Ramowej technologii budowy statku rzecznego'', którego projekt powstaje w ramach zadania INCOWATRANS natknięto się na szereg problemów wynikających z odmienności i prototypowości analizowanego statku. Statek rzeczny to składajacy się z dwóch autonomicznych jednostek zespół pływający. Konstrukcja każdej z wymienionych jednostek jest konstrukcją mieszaną tj. składa się z części o konstrukcji...
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Effect of Electron Beam Power Density on the Structure of Titanium Under Non-Vacuum Electron-Beam Treatment
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Interfaces with Structure Dynamics of the Workhorses from Cells Revealed through Cross-Linking Mass Spectrometry (CLMS)
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Structure and electrical properties of ceramic proton conductors obtained with molten-salt and solid-state synthesis methods
PublicationPublikacja omawia wyniki badań niobanu lantanu domieszkowanego akceptorowo pod kątem właściwości elektrycznych i strukturalnych.
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Scale-consistent approach to the derivation of coarse-grained force fields for simulating structure, dynamics, and thermodynamics of biopolymers
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Structure determination of UL49.5 transmembrane protein from bovine herpesvirus 1 by NMR spectroscopy and molecular dynamics
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Crystal Structure, Hydration, and Two-Fold/Single-Fold Diffusion Kinetics in Proton-Conducting Ba0.9La0.1Zr0.25Sn0.25In0.5O3−a Oxide
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<title>Structure and state visualization system for BAC detector electronics in ZEUS experiment of HERA accelerator</title>
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Control of Luminescence by Tuning of Crystal Symmetry and Local Structure in Mn4+ -Activated Narrow Band Fluoride Phosphors
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Application of Raman Spectroscopy to Evaluate the Structure Changes of Lubricating Grease Modified with Montmorillonite after Tribological Tests
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Effect of preparation conditions and promoters on the structure and activity of the ammonia decomposition reaction catalyst based on nanocrystalline cobalt
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Microbial Diversity in Deep-Subsurface Hot Brines of Northwest Poland: from Community Structure to Isolate Characteristics
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Crystal structure and isothermal titration calorimetry studies of new cobalt(II) complex with 2-methylnitrilotriacetate ion
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Structure-activity relationship study of tetrapeptide inhibitors of the Vascular Endothelial Growth Factor A binding to Neuropilin-1
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Structure–property relationships and third-order nonlinearities in diketopyrrolopyrrole based D–π–A–π–D molecules
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Influence of Ionic Liquid Structure on Supported Ionic Liquid Membranes Effectiveness in Carbon Dioxide/Methane Separation
PublicationThis paper indicates the possibility of application of imidazolium ionic liquids immobilized in polymeric supports—supported ionic liquid membranes—in CO2 separation from gaseous streams (e.g., biogas). Imidazolium salts containing alkyl fluoride anions, bis(trifluoromethylsulfonyl)imide and trifluoromethanesulfonate, selectively separating CO2 were used. The permeability of CO2 through membranes was investigated under gas pressure...
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Structure and thermoelectric properties of Cs-Bi-Te alloys fabricated by different routes of reduction of oxide reagents
PublicationCesium-bismuth-telluride polycrystalline materials were fabricated using a cost-effective method based on a reduction of oxide reagents, leading to a production of a material with good thermoelectric properties. Several samples with various initial stoichiometry were prepared by melting of oxide powders at 1050 °C, quenching, milling to powders and then reducing in pure hydrogen at 400 °C. Another concept was to obtain the CsBi4Te6...
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Visible light photocatalytic activity of ionic liquid-TiO2 spheres: effect of the ionic liquid's anion structure
PublicationThe effect of the ionic liquid’s (IL) anion type ([BIMIM][X], where X= [Br], [PF6] or [OctSO4]) and content on the morphology, surface properties and photoactivity of TiO2 obtained by solvothermal method has been systematically investigated. Our results revealed that the presence of [Br], [OctSO4] anions favors formation of anatase phase, while presence of [PF6] anion causes formation of mixture of anatase and Ti(OH)PO4 phases....