Academic literature on the topic 'Radius of gyration'

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Journal articles on the topic "Radius of gyration"

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Tanner, John J. "Empirical power laws for the radii of gyration of protein oligomers." Acta Crystallographica Section D Structural Biology 72, no. 10 (2016): 1119–29. http://dx.doi.org/10.1107/s2059798316013218.

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The radius of gyration is a fundamental structural parameter that is particularly useful for describing polymers. It has been known since Flory's seminal work in the mid-20th century that polymers show a power-law dependence, where the radius of gyration is proportional to the number of residues raised to a power. The power-law exponent has been measured experimentally for denatured proteins and derived empirically for folded monomeric proteins using crystal structures. Here, the biological assemblies in the Protein Data Bank are surveyed to derive the power-law parameters for protein oligomer
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McMullen, William E., Karl F. Freed, and Binny J. Cherayil. "Apparent radius of gyration of diblock copolymers." Macromolecules 22, no. 4 (1989): 1853–62. http://dx.doi.org/10.1021/ma00194a057.

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Zhou, Zhiping, and Deyue Yan. "Mean-square radius of gyration of polysiloxanes." Macromolecular Theory and Simulations 6, no. 1 (1997): 161–68. http://dx.doi.org/10.1002/mats.1997.040060111.

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Smirnov, Alexander V., Ivan N. Deryabin, and Boris A. Fedorov. "Small-angle scattering: the Guinier technique underestimates the size of hard globular particles due to the structure-factor effect." Journal of Applied Crystallography 48, no. 4 (2015): 1089–93. http://dx.doi.org/10.1107/s160057671501078x.

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The straightforward calculation of small-angle scattering intensity by hard spheres at different concentrations is performed. For the same system of hard spheres, the scattering intensities were found both using the product of the form factor and the structure factor {based on the work of Kinning & Thomas [Macromolecules, (1984),17, 1712–1718]} and using the correlation function {based on the work of Kruglov [J. Appl. Cryst.(2005),38, 716–720] and Hansen [J. Appl. Cryst.(2011),44, 265–271;J. Appl. Cryst.(2012),45, 381–388]}. All three intensities are in agreement at every concentration. Th
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Kawaguchi, Takeshi. "Scattering curve and radius of gyration of a straight chain of identical spheres." Journal of Applied Crystallography 34, no. 6 (2001): 771–72. http://dx.doi.org/10.1107/s0021889801014558.

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The angularly averaged scattering intensity and the radius of gyration of a straight chain ofNequal spheres have been derived. The intensity becomes equal to zero at the same points where the intensity of the constituting sphere vanishes. The property holds also for a `particle' formed ofNequally sized and non-overlapping spheres with different electron densities. The radius of the spheres can be determined from the positions of the zeros. The number of the spheres can be obtained from the extrapolated zero-angle intensity or from the radius of gyration in the case of linear chains.
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Li, Zhigang, Yan Shi, and Shanzhi Chen. "Exploring the influence of human mobility on information spreading in mobile networks." International Journal of Modern Physics C 27, no. 06 (2016): 1650066. http://dx.doi.org/10.1142/s0129183116500662.

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In recent years, the dynamic spread of information has captured researchers’ attention. Therefore, identifying influential spreaders of information has become a fundamental element of information spreading research. Many studies have measured the influence of spreaders by considering the centrality indexes of network topology characteristics, such as degree, betweenness and closeness centrality. Additionally, some works have identified influential spreaders by analyzing human mobility characteristics such as contact frequency, contact time and inter-contact time. In this paper, we mainly explo
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Jensen, Robert K. "Body segment mass, radius and radius of gyration proportions of children." Journal of Biomechanics 19, no. 5 (1986): 359–68. http://dx.doi.org/10.1016/0021-9290(86)90012-6.

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Zuo, Haochen, Shouqi Cao, and Qingzhao Yin. "Molecular dynamics study of alloying process of Cu–Au nanoparticles with different heating rates." International Journal of Modern Physics B 35, no. 04 (2021): 2150060. http://dx.doi.org/10.1142/s0217979221500600.

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In this paper, molecular dynamics (MD) simulation is utilized for the investigation of impact of heating rates on Au and Cu nanoparticles alloying process. Aggregation of contacted nanoparticles experiences three stages due to the contacting, while the alloying process can be distinguished into five regimes because of the contacting and melting. Different heating rates result in different contact temperatures. The decrease of the potential energy can be observed when the temperature reaches the melting temperature. When the temperature reaches the melting point, shrinkage ratio and relative gy
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Bluhm, T. L., and M. D. Whitmore. "Styrene/butadiene block copolymer micelles in heptane." Canadian Journal of Chemistry 63, no. 1 (1985): 249–52. http://dx.doi.org/10.1139/v85-041.

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The radius of gyration of poly(styrene-b-butadiene) block copolymer micelles in n-heptane is measured by small angle X-ray scattering (SAXS). The results are compared with theoretical predictions, and good agreement is found, particularly for the appropriate scaling relations. It is argued that the radius of gyration of the micelles depends on both the molecular weight and the composition of the copolymers. The dominant factors which determine the micelle core and corona dimensions are identified.
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Stojanovic, Zeljko, Katarina Jeremic, Slobodan Jovanovic, Wolfgang Nierling, and Manfred Lechner. "Influence of substituent type on properties of starch derivates." Chemical Industry 64, no. 6 (2010): 555–64. http://dx.doi.org/10.2298/hemind101125076s.

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The subject of the study was investigation of influence of substituent type on the properties of starch derivates in diluted solutions. Three samples were prepared: two anionic (carboxymethyl starch, CMS) and one cationic starch (KS). Starch derivates were synthesized in two steps. The first step was preparation of alkali starch by the addition of sodium-hydroxide to the starch dispersed in ethanol or water. In the second step, the required amount of sodium monocloracetate or 3-chloro-2-hydroxypropyl-threemethylamonium chloride was added to the obtained alkali starch in order to prepare CMS or
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Dissertations / Theses on the topic "Radius of gyration"

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Akbari, Saeed. "Morphology and Dynamics of Catenanes in Dilute Solutions and at Liquid/Liquid Interface." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1544538754254472.

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Zubal, Lukáš. "Zpracování, gelace a charakterizace atelokolagenu." Doctoral thesis, Vysoké učení technické v Brně. CEITEC VUT, 2018. http://www.nusl.cz/ntk/nusl-385280.

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Předkládaná disertační práce se zabývá charakterizací, zpracováním a gelací rozpustného kolagenu. Literární rešerše shrnuje postavení kolagenu na trhu s transplantáty, jeho aplikace a jednotlivé typy kolagenu. Detailně jsou rozebrány jednotlivé metody charakterizace rozpustného kolagenu a způsoby jeho gelace. Experimentální část je rozdělena na dvě podkapitoly. První podkapitola experimentální části se zabývá rozpouštěním a gelací rozpustného kolagenu v natlakované CO2 atmosféře. Proti jiným podobným metodám, metoda pracuje na poměrně nízkém tlaku (do 0.9MPa) a je bezpečná z pohledu denaturace
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Ould-Kaddour, Latifa. "Etude par diffusion de la lumiere des systemes ternaires : polymere-polymere-solvant." Strasbourg 1, 1988. http://www.theses.fr/1988STR13006.

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Etude experimentale de plusieurs systemes ternaires, comportant deux polymeres differents en solution par diffusion de la lumiere. L'analyse de l'intensite diffusee a vecteur d'onde nul a permis de caracteriser les proprietes thermodynamiques et plus particulierement le parametre d'interaction entre les deux polymeres
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Omari, Abdelaziz. "Hydrodynamique des polymères à l'interface solide-liquide : influence de la déplétion." Brest, 1987. http://www.theses.fr/1987BRES2026.

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Etude du phenomene de depletion pres de la paroi pour des solutions de polymeres (polyacrylamide, xanthane) ebn ecoulement dans des milieux poreux de taille comparable a celle des macromolecules. L'etude montre que l'epaisseur de la couche de depletion est une caracteristique intraseque du polymere
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Little, Kenneth L. "Criticality for the radius of gyration of curves." 2004. http://purl.galileo.usg.edu/uga%5Fetd/little%5Fkenneth%5Fl%5F200408%5Fma.

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Chung, Chen-Huan, and 鍾震寰. "Asymptotic behavior of the gyration radius for simple random walk on Z^d." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/23939762240587413840.

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碩士<br>輔仁大學<br>數學系研究所<br>100<br>The purpose of the thesis is to investigate asymptotic behavior of the r-gyration radius of simple random walk on Z^d for any dimension d > 1 and r > 0. Moreover we also obtain the main coefficient as fixed one xj-axis direction for j = 1, 2, · · · , d. Thus we give an explicit formula of the papers [1] for nearest-neighbor simple random walk. The proof is basic on fractional derivative. Key words : asymptotic behavior, simple random walk, gyration radius, fractional derivative.
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Amundarain, Jesus. "Characterization of Athabasca asphaltenes separated physically and chemically using small-angle X-ray scattering." Master's thesis, 2010. http://hdl.handle.net/10048/1496.

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Athabasca asphaltenes were characterized using small-angle X-ray scattering (SAXS) with synchrotron radiation. Two methods were used to separate asphaltenes from Athabasca bitumen. Conventional chemical separation by precipitation with n-pentane, and physical separation realized by passing bitumen through a zirconia membrane with a 20 nm average pore size. The Athabasca permeates and chemically separated samples were dispersed in 1-methylnaphtalene and n-dodecane, with temperature and asphaltene concentration ranges of 50-310 C and 1-8 wt. %, respectively. Two approaches were also taken in the
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Books on the topic "Radius of gyration"

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Lattman, Eaton E., Thomas D. Grant, and Edward H. Snell. Quantities Directly Measurable by Scattering. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199670871.003.0003.

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In this chapter we note that solution scattering data can be divided into four regions. At zero scattering angle, the scattering provides information on molecular weight of the particle in solution. Beyond that, the scattering is influenced by the radius of gyration. As the scattering angle increases, the scattering is influenced by the particle shape, and finally by the interface with the particle and the solution. There are a number of important invariants that can be calculated directly from the data including molecular mass, radius of gyration, Porod invariant, particle volume, maximum par
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Book chapters on the topic "Radius of gyration"

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Gooch, Jan W. "Radius of Gyration." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9741.

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Ahmed, Mustapha Carab, Ramon Crehuet, and Kresten Lindorff-Larsen. "Computing, Analyzing, and Comparing the Radius of Gyration and Hydrodynamic Radius in Conformational Ensembles of Intrinsically Disordered Proteins." In Methods in Molecular Biology. Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0524-0_21.

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Cantarella, Jason, Tetsuo Deguchi, Clayton Shonkwiler, and Erica Uehara. "Exact Evaluation of the Mean Square Radius of Gyration for Gaussian Topological Polymer Chains." In Topological Polymer Chemistry. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6807-4_4.

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Guha Neogi, Pinaki Prasad. "Edge–Texture-Based Characteristic Attribute on Local Radius of Gyration Face for Human Face Recognition." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2188-1_21.

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Nie, Yanjie, Caixia Gao, and Ziyi Fu. "Uniform Demagnetization Fault Diagnosis in Permanent Magnet Synchronous Motors Based on the Back-EMF Gyration Radius." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9686-2_8.

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Ranimol, G., C. B. Devipriya, and Swetha Sunkar. "Docking and Molecular Dynamics Simulation Studies for the Evaluation of Laccase Mediated Biodegradation of Triclosan." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_20.

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AbstractTriclosan (TCA) is an antibacterial and antimicrobial compound that is incorporated into toothpaste, soap, and liquid dishwasher. Continuous TCA exposure may contribute to the emergence of antibiotic-resistant bacteria in the microbiome. Triclosan also reacts to form dioxins, which bioaccumulate and are toxic to aquatic organisms, impedes the thyroid hormone metabolism of the human body. Laccases are multi copper-containing enzymes that can degrade the aromatic compounds and thus reduce their toxicity. To effectively degrade the compound, it is essential to understand the molecular fun
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"Radius of gyration." In Encyclopedic Dictionary of Polymers. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-30160-0_9561.

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"Radius of Gyration." In Encyclopedia of Colloid and Interface Science. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20665-8_100134.

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Yaws, Carl L. "Radius of Gyration – Organic Compounds." In Thermophysical Properties of Chemicals and Hydrocarbons. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-323-28659-6.00015-x.

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Yaws, Carl L. "Radius of Gyration – Inorganic Compounds." In Thermophysical Properties of Chemicals and Hydrocarbons. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-323-28659-6.00016-1.

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Conference papers on the topic "Radius of gyration"

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Shiman, Oksana V., and Michel Gaudet. "Using Radius of Gyration in Order to Determine Surrogate Mechanical Properties of a Porous Structure." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-133321.

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Abstract Advances in additive manufacturing have now made printing very fine design features possible, giving rise to the possibility of incorporating a porous structure within a component to act as a thermal barrier. The model of such a component may be simplified during finite element analysis by replacing the topographically complex porous structure with that of a homogeneous material having surrogate material properties equivalent to those of the porous structure. Determining changes in length within a porous structure for the purpose of calculating strain presents a challenge. Due to the
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Zhao, Lixin, Miao Zhang, Feng Li, and Zhengrong Hua. "Flow Field Distribution and Parameter Optimization Analysis of Spiral Tube Separators." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20105.

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Focus on the spiral tube separator, model selection and basic parameters of numerical simulation are described. Flow field simulation analysis of spiral tube separators of both without holes and with holes are carried out respectively. Effects of gyration radius, inlet flowrate, number of spiral circles, and oil droplet diameter on flow field distribution and the separation performance of spiral tube separators are analyzed in detail. Simulation results also show that the gyration radius and inlet velocity are the two main factors affecting separation characteristics of spiral tube separators.
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Ottosson, Peter, Mats Brown, and Lars Larsson. "The Effect of Pitch Radius of Gyration On Sailing Yacht Performance." In High Performance Yacht Design Conference. RINA, 2002. http://dx.doi.org/10.3940/rina.ya.2002.06.

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Tyapkin, Y., and E. Silinskaya. "Seismic Data Resolution Enhancement by Optimizing the Generalized Radius of Gyration." In 69th EAGE Conference and Exhibition incorporating SPE EUROPEC 2007. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609.201401917.

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Yaseen, Shahwar, Yasar Ayaz, Khawaja Fahad Iqbal, et al. "Centre of mass avoidance planner using radius of gyration for Reciprocal Velocity Obstacles." In 2014 International Conference on Robotics and Emerging Allied Technologies in Engineering (iCREATE). IEEE, 2014. http://dx.doi.org/10.1109/icreate.2014.6828351.

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Sayers, Colin M., and Joel Le Calvez. "Characterization of microseismic data in gas shales using the radius of gyration tensor." In SEG Technical Program Expanded Abstracts 2010. Society of Exploration Geophysicists, 2010. http://dx.doi.org/10.1190/1.3513255.

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Varghese, Alfred Franklin, Murugan Paradesi Chockalingam, Sreeja Viswaksenan, et al. "Experimental determination of radius of gyration of an object using compound pendulum technique." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON RESEARCH ADVANCES IN ENGINEERING AND TECHNOLOGY - ITechCET 2022. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0193845.

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Fischbach, Fritz A. "Oriented and disoriented microparticle radii of gyration in the Fraunhofer-dominated regime." In OSA Annual Meeting. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.fp5.

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A radius of gyration is a particle parameter obtainable through light- or x-ray scattering in the Rayleigh-Gans-Debye regime. Radii of gyration can also be theoretically defined and experimentally obtained for scattering in the Fraunhofer diffraction dominated regime. It is shown how this applies to both oriented and disoriented scattering for particles of general shape. For oriented particles, the parameter is the root-mean-square distance from a line passing through the particle's center of mass, along the direction of intensity scanned in the plane perpendicular to the incident radiation be
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Ahmadi, M., J. Poshtan, and M. Poshtan. "Static eccentricity fault detection in induction motors using wavelet packet decomposition and Gyration radius." In 2013 1st International Conference on Communications, Signal Processing, and Their Applications (ICCSPA). IEEE, 2013. http://dx.doi.org/10.1109/iccspa.2013.6487316.

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Tretjakovas, Jurijus, and Jolanta Pileckienė. "Decrease of the radius of gyration of the I-beam column due to long–term corrosion." In 4th International Civil Engineering & Architecture Conference. Golden Light Publishing, 2025. https://doi.org/10.31462/icearc2025_ce_sme_142.

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Reports on the topic "Radius of gyration"

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Andriulli, J. B. A simple rotational pendulum method to measure the radii of gyration or mass moments of inertia of a rotor and other assemblies. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/416947.

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