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Artykuły w czasopismach na temat „Parallel split structures”

Autor: Grafiati

Data publikacji: 5 października 2024

Data aktualizacji: 19 lipca 2025

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1

Barron, Yonit. "The Delay Time Profile of Multistage Networks with Synchronization." Mathematics 11, no. 14 (2023): 3232. http://dx.doi.org/10.3390/math11143232.

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The interaction between projects and servers has grown significantly in complexity; thus, applying parallel calculations increases dramatically. However, it should not be ignored that parallel processing gives rise to synchronization constraints and delays, generating penalty costs that may overshadow the savings obtained from parallel processing. Motivated by this trade-off, this study investigates two special and symmetric systems of split–join structures: (i) parallel structure and (ii) serial structure. In a parallel structure, the project arrives, splits into m parallel groups (subproject

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2

Lee, Jung-Han. "A Novel Meander Split Power/Ground Plane Reducing Crosstalk of Traces Crossing Over." Electronics 8, no. 9 (2019): 1041. http://dx.doi.org/10.3390/electronics8091041.

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In this paper, a novel meander split power/ground plane is proposed for reducing crosstalk between parallel lines crossing over it. The working mechanism of the meander split scheme is investigated by simulations and measurements. The LC equivalent circuit and transmission line model are developed for modeling interactions between the meander split and the signal lines. The proposed meander structure enhances electromagnetic coupling between split planes. The capacitive coupling across the split ensures signal integrity and magnetic coupling between adjacent finger shaped structures suppresses

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RAUBER, THOMAS, and GUDULA RÜNGER. "A DATA RE-DISTRIBUTION LIBRARY FOR MULTI-PROCESSOR TASK PROGRAMMING." International Journal of Foundations of Computer Science 17, no. 02 (2006): 251–70. http://dx.doi.org/10.1142/s0129054106003814.

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Multiprocessor task (M-task) programming is a suitable parallel programming model for coding application problems with an inherent modular structure. An M-task can be executed on a group of processors of arbitrary size, concurrently to other M-tasks of the same application program. The data of a multiprocessor task program usually include composed data structures, like vectors or arrays. For distributed memory machines or cluster platforms, those composed data structures are distributed within one or more processor groups. Thus, a concise parallel programming model for M-tasks requires a stand

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4

Zhu, Hong, Song Zhang, and Chul Ahn. "Sample size considerations for split-mouth design." Statistical Methods in Medical Research 26, no. 6 (2015): 2543–51. http://dx.doi.org/10.1177/0962280215601137.

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Split-mouth designs are frequently used in dental clinical research, where a mouth is divided into two or more experimental segments that are randomly assigned to different treatments. It has the distinct advantage of removing a lot of inter-subject variability from the estimated treatment effect. Methods of statistical analyses for split-mouth design have been well developed. However, little work is available on sample size consideration at the design phase of a split-mouth trial, although many researchers pointed out that the split-mouth design can only be more efficient than a parallel-grou

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5

Khan, Adeena, Waleed M. S. Fawzy, Syed S. Habib, and Mamoona Sultan. "Novel and pragmatic exploration of variation in glottic parameters in non-parallel versus parallel vocal cord CT planes with potential reporting pitfalls." PLOS ONE 18, no. 10 (2023): e0293659. http://dx.doi.org/10.1371/journal.pone.0293659.

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Oblique orientation of vocal cord demands strict compliance, by technicians and clinicians, to the recommended parallel plane CT scan of larynx. Repercussions of non-compliance has never been investigated before. We aimed to observe influence of non-parallel vocal cord plane CT scan on qualitative and quantitative glottic parameters, keeping parallel plane CT as a standard for comparison. Simultaneous identification of potential suboptimal imaging sequelae as a result of unformatted CT plane was also identified. In this study we included 95 normal adult glottides and retrospectively analyzed t

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6

Blelloch, Guy, Daniel Ferizovic, and Yihan Sun. "Joinable Parallel Balanced Binary Trees." ACM Transactions on Parallel Computing 9, no. 2 (2022): 1–41. http://dx.doi.org/10.1145/3512769.

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In this article, we show how a single function, join , can be used to implement parallel balanced binary search trees ( BSTs ) simply and efficiently. Based on join , our approach applies to multiple balanced tree data structures, and a variety of functions for ordered sets and maps. We describe our technique as an algorithmic framework called join-based algorithms . We show that the join function fully captures what is needed for rebalancing trees for a variety of tree algorithms, as long as the balancing scheme satisfies certain properties, which we refer to as joinable trees. We discuss fou

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7

Chen, Shuang, Zongqian Shi, Jiajia Sun, Shenli Jia, Mingjie Zhong, and Yuxin Ma. "High-throughput particle focusing and separation in split-recombination channel." Journal of Micromechanics and Microengineering 32, no. 2 (2022): 025007. http://dx.doi.org/10.1088/1361-6439/ac4644.

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Abstract Inertial microfluidic has been widely applied to manipulate particles or bio-sample based on the inertial lift force and Dean Vortices. This technology provides significant advantages over conventional technologies, including simple structure, high throughput and freedom from an external field. Among many inertial microfluidic systems, the straight microchannel is commonly used to produce inertial focusing, which is a phenomenon that particles or cells are aligned and separated based on their size under the influence of inertial lift force. Besides the inertial lift force, flow drag f

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8

Mosbah, Said, Chemseddine Zebiri, Djamel Sayad, et al. "Compact and Highly Sensitive Bended Microwave Liquid Sensor Based on a Metamaterial Complementary Split-Ring Resonator." Applied Sciences 12, no. 4 (2022): 2144. http://dx.doi.org/10.3390/app12042144.

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In this paper, we present the design of a compact and highly sensitive microwave sensor based on a metamaterial complementary split-ring resonator (CSRR), for liquid characterization at microwave frequencies. The design consists of a two-port microstrip-fed rectangular patch resonating structure printed on a 20 × 28 mm2 Roger RO3035 substrate with a thickness of 0.75 mm, a relative permittivity of 3.5, and a loss tangent of 0.0015. A CSRR is etched on the ground plane for the purpose of sensor miniaturization. The investigated liquid sample is put in a capillary glass tube lying parallel to th

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9

Jacobitz, Frank G., Lukas Liechtenstein, Kai Schneider, and Marie Farge. "On the structure and dynamics of sheared and rotating turbulence: Direct numerical simulation and wavelet-based coherent vortex extraction." Physics of Fluids 20, no. 4 (2008): 045103. https://doi.org/10.1063/1.2896284.

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The influence of rotation on the structure and dynamics of sheared turbulence is investigated using a series of direct numerical simulations. Five cases are considered: turbulent shear flow without rotation, with moderate rotation, and with strong rotation, where the rotation configuration is either parallel or antiparallel. For moderate rotation rates an antiparallel configuration increases the growth of the turbulent kinetic energy, while the parallel case reduces the growth as compared to the nonrotating case. For strong rotation rates decay of the energy is observed, linear effects dominat

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10

Rashid, Mahmood A., Swakkhar Shatabda, M. A. Hakim Newton, Md Tamjidul Hoque, and Abdul Sattar. "A Parallel Framework for Multipoint Spiral Search in ab Initio Protein Structure Prediction." Advances in Bioinformatics 2014 (March 16, 2014): 1–17. http://dx.doi.org/10.1155/2014/985968.

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Protein structure prediction is computationally a very challenging problem. A large number of existing search algorithms attempt to solve the problem by exploring possible structures and finding the one with the minimum free energy. However, these algorithms perform poorly on large sized proteins due to an astronomically wide search space. In this paper, we present a multipoint spiral search framework that uses parallel processing techniques to expedite exploration by starting from different points. In our approach, a set of random initial solutions are generated and distributed to different t

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11

Deng, Xida, Ge Dong, Xuan Dai, and Jinxiang Deng. "Compact Full Ka-Band Waveguide Directional Coupler Based on Rectangular Aperture Array with Stairs." Micromachines 12, no. 7 (2021): 745. http://dx.doi.org/10.3390/mi12070745.

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This article presents a compact 3 dB waveguide directional coupler with full waveguide bandwidth. It consists of a pair of rectangular waveguides with stairs structures in the coupling region. The waveguides are placed parallel to each other along their broad wall, which has a rectangular aperture array. The compact size, broad bandwidth, good in-band coupling flatness, and good return loss are achieved by using the proposed structure. For verification purposes, a prototype of the proposed coupler was designed, manufactured, and measured. The experimental results show that over the full wavegu

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12

Mansy, Hussein, Pan-Mei Yang, and David R. Williams. "Quantitative measurements of three-dim ensional structures in the wake of a circular cylinder." Journal of Fluid Mechanics 270 (July 10, 1994): 277–96. http://dx.doi.org/10.1017/s0022112094004271.

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The fine scale three-dimensional structures usually associated with streamwise vortices in the near wake of a circular cylinder have been studied at Reynolds numbers ranging from 170 to 2200. Spatially continuous velocity measurements along lines parallel to the cylinder axis were obtained with a scanning laser anemometer. To detect the streamwise vortices in the amplitude modulated velocity field, it was necessary to develop a spatial decomposition technique to split the total flow into a primary flow component and a secondary flow component. The primary flow is comprised of the mean flow and

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13

Kraftmakher, G., and V. Butylkin. ""Cut wires grating – single longitudinal wire" planar metastructure to achieve microwave magnetic resonance in a single wire." Advanced Electromagnetics 1, no. 2 (2012): 16. http://dx.doi.org/10.7716/aem.v1i2.14.

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Here we present metastructures containing cut-wire grating and a single longitudinal cut-wire orthogonal to grating’s wires. Experimental investigations at microwaves show these structures can provide strong magnetic resonant response of a single nonmagnetic cut-wire in dependence on configuration and sizes in the case when metastructures are oriented along the direction of wave propagation and cut-wires of grating are parallel to the electric field of a plane electromagnetic wave. It is suggested a concept of magnetic response based on antiparallel resonant currents excited by magnetic field

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14

Muldarisnur, M., and F. Marlow. "Polarization angular-resolved transmission spectroscopy of opal films." Journal of Nonlinear Optical Physics & Materials 25, no. 02 (2016): 1650015. http://dx.doi.org/10.1142/s0218863516500156.

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In this paper, we investigated the angular behavior of light transmission through opal films over a broad range of wavelengths and angles. The opal films were prepared using the capillary deposition method (CDM). The observation of many well-defined diffraction peaks indicates that the CDM results in opal films with high quality. Peaks overlapping at normal incidence split when samples are rotated. The angular shift of these peaks was found to satisfy the kinematical diffraction theory very well. Furthermore, the variation of intensity with incident angle can be interpreted in terms of a simpl

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15

Ren, Min, Haijian Sun, Shunqi Bo, Shuyi Zhang, and Panyu Hua. "Parallel Amino Acid Deletions of Prestin Protein in Two Dramatically Divergent Bat Lineages Suggest the Complexity of the Evolution of Echolocation in Bats." Acta Chiropterologica 20, no. 2 (2019): 311. https://doi.org/10.5281/zenodo.13433307.

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(Uploaded by Plazi for the Bat Literature Project) The membrane motor protein, prestin, encoded by gene Prestin, provides the electromotility to cochlear outer hair cells (OHCs) and is therefore considered responsible for cochlea's high sensitivity to sound waves. Echolocating bats use ultrasound for orientation and hunting. In this study, we obtained the complete Prestin coding sequences of 60 mammal taxa. Alignment results detected the same 3-bp deletion mutation (c.1833_1835del in exon 18) in two bat lineages, Pteropodidae and Emballonuroidea, and caused an amino acid deletion (p.Asp611del)

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16

Ren, Min, Haijian Sun, Shunqi Bo, Shuyi Zhang, and Panyu Hua. "Parallel Amino Acid Deletions of Prestin Protein in Two Dramatically Divergent Bat Lineages Suggest the Complexity of the Evolution of Echolocation in Bats." Acta Chiropterologica 20, no. 2 (2019): 311. https://doi.org/10.5281/zenodo.13433307.

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(Uploaded by Plazi for the Bat Literature Project) The membrane motor protein, prestin, encoded by gene Prestin, provides the electromotility to cochlear outer hair cells (OHCs) and is therefore considered responsible for cochlea's high sensitivity to sound waves. Echolocating bats use ultrasound for orientation and hunting. In this study, we obtained the complete Prestin coding sequences of 60 mammal taxa. Alignment results detected the same 3-bp deletion mutation (c.1833_1835del in exon 18) in two bat lineages, Pteropodidae and Emballonuroidea, and caused an amino acid deletion (p.Asp611del)

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17

Ren, Min, Haijian Sun, Shunqi Bo, Shuyi Zhang, and Panyu Hua. "Parallel Amino Acid Deletions of Prestin Protein in Two Dramatically Divergent Bat Lineages Suggest the Complexity of the Evolution of Echolocation in Bats." Acta Chiropterologica 20, no. 2 (2019): 311. https://doi.org/10.5281/zenodo.13433307.

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(Uploaded by Plazi for the Bat Literature Project) The membrane motor protein, prestin, encoded by gene Prestin, provides the electromotility to cochlear outer hair cells (OHCs) and is therefore considered responsible for cochlea's high sensitivity to sound waves. Echolocating bats use ultrasound for orientation and hunting. In this study, we obtained the complete Prestin coding sequences of 60 mammal taxa. Alignment results detected the same 3-bp deletion mutation (c.1833_1835del in exon 18) in two bat lineages, Pteropodidae and Emballonuroidea, and caused an amino acid deletion (p.Asp611del)

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18

Ren, Min, Haijian Sun, Shunqi Bo, Shuyi Zhang, and Panyu Hua. "Parallel Amino Acid Deletions of Prestin Protein in Two Dramatically Divergent Bat Lineages Suggest the Complexity of the Evolution of Echolocation in Bats." Acta Chiropterologica 20, no. 2 (2019): 311. https://doi.org/10.5281/zenodo.13433307.

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(Uploaded by Plazi for the Bat Literature Project) The membrane motor protein, prestin, encoded by gene Prestin, provides the electromotility to cochlear outer hair cells (OHCs) and is therefore considered responsible for cochlea's high sensitivity to sound waves. Echolocating bats use ultrasound for orientation and hunting. In this study, we obtained the complete Prestin coding sequences of 60 mammal taxa. Alignment results detected the same 3-bp deletion mutation (c.1833_1835del in exon 18) in two bat lineages, Pteropodidae and Emballonuroidea, and caused an amino acid deletion (p.Asp611del)

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19

Ren, Min, Haijian Sun, Shunqi Bo, Shuyi Zhang, and Panyu Hua. "Parallel Amino Acid Deletions of Prestin Protein in Two Dramatically Divergent Bat Lineages Suggest the Complexity of the Evolution of Echolocation in Bats." Acta Chiropterologica 20, no. 2 (2019): 311. https://doi.org/10.5281/zenodo.13433307.

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(Uploaded by Plazi for the Bat Literature Project) The membrane motor protein, prestin, encoded by gene Prestin, provides the electromotility to cochlear outer hair cells (OHCs) and is therefore considered responsible for cochlea's high sensitivity to sound waves. Echolocating bats use ultrasound for orientation and hunting. In this study, we obtained the complete Prestin coding sequences of 60 mammal taxa. Alignment results detected the same 3-bp deletion mutation (c.1833_1835del in exon 18) in two bat lineages, Pteropodidae and Emballonuroidea, and caused an amino acid deletion (p.Asp611del)

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20

Wang, Yaqian, and Xiaohong Jiao. "Dual Heuristic Dynamic Programming Based Energy Management Control for Hybrid Electric Vehicles." Energies 15, no. 9 (2022): 3235. http://dx.doi.org/10.3390/en15093235.

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This paper investigates an adaptive dynamic programming (ADP)-based energy management control strategy for a series-parallel hybrid electric vehicle (HEV). This strategy can further minimize the equivalent fuel consumption while satisfying the battery level constraints and vehicle power demand. Dual heuristic dynamic programming (DHP) is one of the basic structures of ADP, combining reinforcement learning, dynamic programming (DP) optimization principle, and neural network approximation function, which has higher accuracy with a slightly more complex structure. In this regard, the DHP energy m

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21

Miau, J. J., C. R. Chen, and J. H. Chou. "A vertically oscillating plate disturbing the development of a boundary layer." Journal of Fluid Mechanics 298 (September 10, 1995): 1–22. http://dx.doi.org/10.1017/s0022112095003211.

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A vertically oscillating plate in a boundary layer regulates the vorticity flux rate with respect to time and displaces the vorticity away from the wall. These phenomena are discussed for non-dimensional frequencies of the oscillating plate K = 0, 0.006, 0.01 and 0.02. The velocity data obtained by a split-fibre probe near the wall in the region immediately downstream of the oscillating plate lead to a discussion on the behaviour of the flow structures with respect to the non-dimensional frequency. The physical understanding deduced is complementary to the findings of a smoke-wire flow visuali

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Kumar, Vinay, and Gyanendra Yadav. "Modeling and Simulation of Hybrid Electric Vehicles." International Journal of Engineering and Science Invention 14, no. 4 (2025): 136–43. https://doi.org/10.35629/6734-1404136143.

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A comprehensive multi-physics approach to hybrid electric vehicle (HEV) modeling is presented in this work. Purpose of model is to enable design engineers to create regulator structures & automated optimization procedures for HEVs, as well as to examine the consequences of component selection. Internal combustion engine (ICE), motor producer (MG), power split device (PSD), and longitudinal dynamics of the vehicle are all part of the whole drivetrain organization of a series/parallel HEV. Every facet of friction, damping, stiffness, and rotational inertial dynamics is taken into account. Th

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23

Samelson, R. M. "Lyapunov, Floquet, and singular vectors for baroclinic waves." Nonlinear Processes in Geophysics 8, no. 6 (2001): 439–48. http://dx.doi.org/10.5194/npg-8-439-2001.

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Abstract. The dynamics of the growth of linear disturbances to a chaotic basic state is analyzed in an asymptotic model of weakly nonlinear, baroclinic wave-mean interaction. In this model, an ordinary differential equation for the wave amplitude is coupled to a partial differential equation for the zonal flow correction. The leading Lyapunov vector is nearly parallel to the leading Floquet vector f1 of the lowest-order unstable periodic orbit over most of the attractor. Departures of the Lyapunov vector from this orientation are primarily rotations of the vector in an approximate tangent plan

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24

Liu, Qiang, Baoyan Song, and Junlu Wang. "Second-degree branch structure blockchain expansion model." International Journal of Distributed Sensor Networks 18, no. 3 (2022): 155014772110647. http://dx.doi.org/10.1177/15501477211064755.

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The blockchain runs in a complex topological network which is affected by the principle of consensus, and data storage between nodes needs to maintain global consistency in the entire network, which causes the data storage inefficient. At the same time, the information exchange between large-scale communication node groups leads to the problems of bandwidth expropriation and excessive network load. In response to these problems, this article proposes a second-degree branch structure blockchain expansion model. First, a ternary storage structure is established. Data use the way of fully integra

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Geng, Stefan, Andreas Meier, and Thomas Schulte. "Model-Based Optimization of a Plug-In Hybrid Electric Powertrain with Multimode Transmission." World Electric Vehicle Journal 9, no. 1 (2018): 12. http://dx.doi.org/10.3390/wevj9010012.

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Plug-in hybrid electric vehicles are developed in order to reduce the fuel consumption and the emission of carbon dioxide. Besides the series, parallel and power split configurations are commonly used for conventional hybrid electric vehicles, and multimode transmissions are used for plug-in hybrid electric vehicles, which are able to switch between different modes like parallel or series operation of the combustion engine and electric motor. Several concepts have already been discussed and presented. These concepts comprise novel structures and multi-speed operation for the combustion engine

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Zerbe, Eva-Maria, Oliver Moers, Peter G. Jones, and Armand Blaschette. "Zwischenmolekulare Wechselwirkungen in den Kristallstrukturen von 4-Halogenbenzolsulfonamiden (Halogen = Fluor, Chlor, Brom, Iod) und 4-Methylbenzolsulfonamid / Intermolecular Interactions in the Crystal Structures of 4-Halobenzenesulfonamides (Halogen = Fluorine, Chlorine, Bromine, Iodine) and 4-Methylbenzenesulfonamide." Zeitschrift für Naturforschung B 60, no. 2 (2005): 125–38. http://dx.doi.org/10.1515/znb-2005-0201.

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Low-temperature single-crystal X-ray structures of the following 4-X-benzenesulfonamides have been studied in order to compare the effects of the 4-substituents on the molecular packings: X = F (1, orthorhombic, Pbca, Z′ = 1, structure previously reported), X = Cl (2, monoclinic, P21/n, Z′ = 1), X = Br (3, isostructural with 2), X = Me (4, isomorphous with 2 and 3, room-temperature structure previously reported, accurate redetermination in this work), X = I (5, monoclinic, Pc, Z′ = 2 molecules with markedly different conformations). As a common feature, the five structures display molecular la

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Vasilyak, L. M., O. D. Volpyan, A. I. Kuzmichev, Yu A. Obod, V. Ya Pecherkin, and P. A. Privalov. "Resonant reflection of plane microwave electromagnetic waves by the linear dielectric-ring structures." Industrial laboratory. Diagnostics of materials 88, no. 2 (2022): 49–53. http://dx.doi.org/10.26896/1028-6861-2022-88-2-49-53.

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Artificial materials with negative magnetic and dielectric permittivity have unique electrodynamic properties that are not present in natural materials. We present the results of studying of the main magnetic LC resonance induced by a plane electromagnetic wave of GHz range in the linear structures of subwavelength dielectric ring elements with a high relative permittivity. The dielectric constant of the ring material (capacitor ceramics) is 160. Resonant scattering on the main magnetic mode and wave properties of linear structures consisting of subwavelength dielectric elements in the form of

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Godinez, Felipe, Raphael Tomi-Tricot, Bruno Quesson, et al. "An 8 channel parallel transmit system with current sensor feedback for MRI-guided interventional applications." Physics in Medicine & Biology 66, no. 21 (2021): 21NT05. http://dx.doi.org/10.1088/1361-6560/ac2fbe.

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Abstract Background. Parallel transmit (pTx) has introduced many benefits to magnetic resonance imaging (MRI) with regard to decreased specific absorption rates and improved transmit field homogeneity, of particular importance in applications at higher magnetic field strengths. PTx has also been proposed as a solution to mitigating dangerous RF induced heating of elongated conductive devices such as those used in cardiac interventions. In this work we present a system that can augment a conventional scanner with pTx, in particular for use in interventional MRI for guidewire safety, by adjustin

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Gkantou, Michaela, Magomed Muradov, George S. Kamaris, Khalid Hashim, William Atherton, and Patryk Kot. "Novel Electromagnetic Sensors Embedded in Reinforced Concrete Beams for Crack Detection." Sensors 19, no. 23 (2019): 5175. http://dx.doi.org/10.3390/s19235175.

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This paper investigates the possibility of applying novel microwave sensors for crack detection in reinforced concrete structures. Initially, a microstrip patch antenna with a split ring resonator (SRR) structure was designed, simulated and fabricated. To evaluate the sensor’s performance, a series of structural tests were carried out and the sensor responses were monitored. Four reinforced concrete (RC) beam specimens, designed according to the European Standards, were tested under three-point bending. The load was applied incrementally to the beams and the static responses were monitored via

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Balić-Žunić, Tonči, Martha G. Pamato, and Fabrizio Nestola. "Redetermination and new description of the crystal structure of vanthoffite, Na6Mg(SO4)4." Acta Crystallographica Section E Crystallographic Communications 76, no. 6 (2020): 785–89. http://dx.doi.org/10.1107/s2056989020005873.

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The crystal structure of vanthoffite {hexasodium magnesium tetrakis[sulfate(VI)]}, Na6Mg(SO4)4, was solved in the year 1964 on a synthetic sample [Fischer & Hellner (1964). Acta Cryst. 17, 1613]. Here we report a redetermination of its crystal structure on a mineral sample with improved precision. It was refined in the space group P21/c from a crystal originating from Surtsey, Iceland. The unique Mg (site symmetry \overline{1}) and the two S atoms are in usual, only slightly distorted octahedral and tetrahedral coordinations, respectively. The three independent Na atoms are in a distorted

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Abdel-Hakim, Khaled, Tetsuo Nishimura, Michikatsu Takai, and Harumi Sakahara. "Review of Monoisocentric Split-Field Technique for Conventional and IMRT Treatment in Head and Neck Cancers: Technical Limitations and Approaches for Optimization." Technology in Cancer Research & Treatment 4, no. 1 (2005): 107–13. http://dx.doi.org/10.1177/153303460500400114.

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The importance of treatment planning of head and neck malignancies arises from the necessity to achieve homogenous doses to localized target volume surrounded by normal structures, which can produce acute and long-term morbidity. In many radiotherapy departments, a commonly employed strategy is a 3-field technique. Bilateral parallel-opposed fields are matched to anterior lower neck field. In recent years, Intensity Modulated Radiotherapy (IMRT) is used to radiate head and neck tumors. When the target extends to the lower neck regions, abutment of upper IMRT and lower neck fields is required.

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Pan, Tao, Yanan Zhang, Hui Wang, et al. "The reanalysis of biogeography of the Asian tree frog,Rhacophorus(Anura: Rhacophoridae): geographic shifts and climatic change influenced the dispersal process and diversification." PeerJ 5 (November 21, 2017): e3995. http://dx.doi.org/10.7717/peerj.3995.

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Rapid uplifts of the Tibetan Plateau and climate change in Asia are thought to have profoundly modulated the diversification of most of the species distributed throughout Asia. The ranoid tree frog genusRhacophorus, the largest genus in the Rhacophoridae, is widely distributed in Asia and especially speciose in the areas south and east of the Tibetan Plateau. Here, we infer phylogenetic relationships among species and estimate divergence times, asking whether the spatiotemporal characteristics of diversification withinRhacophoruswere related to rapid uplifts of the Tibetan Plateau and concomit

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Fonseka, H. Aruni, Yunyan Zhang, James A. Gott, Richard Beanland, Huiyun Liu, and Ana M. Sanchez. "Multiple radial phosphorus segregations in GaAsP core-shell nanowires." Nano Research 14, no. 1 (2020): 157–64. http://dx.doi.org/10.1007/s12274-020-3060-x.

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AbstractHighly faceted geometries such as nanowires are prone to form self-formed features, especially those that are driven by segregation. Understanding these features is important in preventing their formation, understanding their effects on nanowire properties, or engineering them for applications. Single elemental segregation lines that run along the radii of the hexagonal cross-section have been a common observation in alloy semiconductor nanowires. Here, in GaAsP nanowires, two additional P rich bands are formed on either side of the primary band, resulting in a total of three segregati

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Hatert, Frédéric, Edward S. Grew, Pietro Vignola, et al. "Crystal chemistry and nomenclature of fillowite-type phosphates." Canadian Mineralogist 59, no. 4 (2021): 781–96. http://dx.doi.org/10.3749/canmin.2000043.

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ABSTRACT The crystal chemistries of five samples of minerals belonging to the fillowite group were structurally investigated: (A) fillowite from the Buranga pegmatite, Rwanda; (B) fillowite from the Kabira pegmatite, Uganda; (C) johnsomervilleite from Loch Quoich, Scotland; (D) johnsomervilleite from the Malpensata pegmatite, Italy; and (E) chladniite from the Sapucaia pegmatite, Minas Gerais, Brazil. Their crystal structures were refined in space group R (No. 148), using single-crystal X-ray diffraction data, to R1 values of (A) 3.79%, (B) 3.52%, (C) 4.14%, (D) 4.04%, and (E) 5.59%. Unit-cell

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Müller, Jens. "Wide Band Measurement of Dielectric Properties of Electronic Assembly Materials Inside an LTCC Fluidic Structure." Journal of Microelectronics and Electronic Packaging 11, no. 2 (2014): 64–69. http://dx.doi.org/10.4071/imaps.400.

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Assembly materials such as underfillers or glob top epoxies are typically not specified regarding their dielectric properties for frequencies higher than 1 MHz. However, their behavior should be known for a wider frequency range in order to implement the appropriate parameters for RF and microwave simulations and designs. Typical methods to measure permittivity and loss tangent are based on parallel plate capacitor measurement with an impedance or network analyzer (up to about 1 GHz), S-parameter measurement of filled waveguides, coaxial transmission lines, or resonance methods (e.g., split po

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Müller, Jens. "Wide Band Measurement of Dielectric Properties of Electronic Assembly Materials Inside a LTCC Fluidic Structure." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2013, CICMT (2013): 000041–46. http://dx.doi.org/10.4071/cicmt-tp22.

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Assembly materials like underfillers or glob top epoxies are typically not specified regarding their dielectric properties for frequencies higher than 1 MHz. However, their behavior should be known for a wider frequency range in order to implement the right parameters for RF and microwave simulations and designs. Typical methods to measure permittivity and loss tangent are based on parallel plate capacitor measurement with an impedance or network analyzer (up to about 1 GHz), S-parameter measurement of filled wave guides or coaxial transmission lines or resonance methods (e.g. split post reson

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Kovalevsky, V. N., A. V. Mysi, and V. I. Sushkova. "Theoretical aspects of block stone blasting method." Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 9, no. 2 (2024): 97–104. http://dx.doi.org/10.17073/2500-0632-2023-12-187.

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Block stone excavation is a key aspect of the building materials industry, important for providing construction with durable materials and when giving aesthetic solutions to various structures and design elements. However, when excavating stone (using drilling and blasting), it is necessary to maintain its integrity for further processing and use. The conditions required for applying the method of blasting separation (split off) of stone blocks from hard rock mass were considered, which is important for improving the quality of blasted stone blocks. The rational parameters of stone block blast

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He, Xiaokun, Nan Xu, Yuan Xue, Hong Zhang, Ran Zuo, and Qian Xu. "Revisiting the Mechanistic Pathway of Gas-Phase Reactions in InN MOVPE Through DFT Calculations." Molecules 30, no. 4 (2025): 971. https://doi.org/10.3390/molecules30040971.

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III-nitrides are crucial materials for solar flow batteries due to their versatile properties. In contrast to the well-studied MOVPE reaction mechanism for AlN and GaN, few works report gas-phase mechanistic studies on the growth of InN. To better understand the reaction thermodynamics, this work revisited the gas-phase reactions involved in metal–organic vapor-phase epitaxy (abbreviated as MOVPE) growth of InN. Utilizing the M06-2X function in conjunction with Pople’s triple-ζ split-valence basis set with polarization functions, this work recharacterized all stationary points reported in prev

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English, L. T. P., V. H. Galvan, and C. R. Pullinger. "Geological setting of gold-silver mineralization in the La India mining district, Nicaragua." Naturalis Scientias 01, no. 01 (2024): 41–45. http://dx.doi.org/10.62252/nss.2024.1003.

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La India gold mining district covers a 50 km² area of fault-fill gold-silver mineralized quartz-adularia veins on the western margin of a Tertiary volcanic arc in western Nicaragua. Historic mining records and modern mineral exploration data, which to-date has defined a mineral endowment of over 2.3 Moz gold, provide a wealth of geological information. This paper draws on these observations and data to describe and classify the gold-silver mineralisation at La India, identify the geological controls, and interpret the timing of mineralisation within the regional tectonic setting. The district-

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Stepišnik, Tomaž, and Dragi Kocev. "Semi-supervised oblique predictive clustering trees." PeerJ Computer Science 7 (May 3, 2021): e506. http://dx.doi.org/10.7717/peerj-cs.506.

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Semi-supervised learning combines supervised and unsupervised learning approaches to learn predictive models from both labeled and unlabeled data. It is most appropriate for problems where labeled examples are difficult to obtain but unlabeled examples are readily available (e.g., drug repurposing). Semi-supervised predictive clustering trees (SSL-PCTs) are a prominent method for semi-supervised learning that achieves good performance on various predictive modeling tasks, including structured output prediction tasks. The main issue, however, is that the learning time scales quadratically with

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Xu, Tao, Ge Fu, Huai Yuan Tan, Hong Zhang, and Xin Ran Liu. "Structured Big Data Management System Supported Cross-Domain Query." Applied Mechanics and Materials 631-632 (September 2014): 1033–38. http://dx.doi.org/10.4028/www.scientific.net/amm.631-632.1033.

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We design a structured big data management system which can deal with large-scale structured datasets and supports the cross-domain collaborative query. The system employs the HDFS as the storage layer. And it realizes a scheduling engine in reference with the splitting technology of the massive parallel processing (MPP) database. Using this engine, tasks can be split and distributed to different sub-nodes for parallel execution. Through cross-domain querymodule, users can execute SQL commands on the datasets of different datacenters or network domains. Meanwhile, the system supports the distr

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Quenneville, Pierre, Alain Charron, and Karl Van Dalen. "Effect of end distance on the resistance of split ring connectors in timber joints loaded in compression." Canadian Journal of Civil Engineering 20, no. 5 (1993): 863–71. http://dx.doi.org/10.1139/l93-112.

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An experimental program was undertaken to verify the end distance requirements in the Canadian standard for engineering design in wood for split ring connectors in joints loaded in compression. In a laboratory study, 48 joints of the Douglas fir-larch species group using 63 mm diameter split rings, 45 joints of the Douglas fir-larch species group using 102 mm diameter split rings, and 51 joints of the spruce-pine-fir species group using 63 mm diameter split rings were loaded to failure in compression. The split ring end distance varied between 50 and 200 mm for joints with 63 mm diameter split

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Mikhalevich, Valeria I. "New insight into the systematics and evolution of the foraminifera." Micropaleontology 59, no. 6 (2013): 493–527. http://dx.doi.org/10.47894/mpal.59.6.01.

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A new suprageneric classification of the Foraminifera is here presented based on fundamentally new concepts of their evolution and classification. The predominant significance is given to the shell morphology as the most conservative feature, while the wall composition and shell wall ultrastructure are considered as having important but nevertheless subordinate meaning. Foraminifera are regarded as a phylum that includes five classes: Astrorhizata Saidova 1981, Spirillinata Mikhalevich 1992, Miliolata Saidova 1981, Nodosariata Mikhalevich 1992 and Rotaliata Mikhalevich 1980. Each of the five c

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Wang, Mengxiang, Qi Zong, and Haibo Wang. "An Experimental Study on Mechanical Properties and Fracture Characteristics of Saturated Concrete under Coupling Effect of Low Temperature and Dynamic Load." Geofluids 2022 (September 20, 2022): 1–13. http://dx.doi.org/10.1155/2022/5201061.

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Concrete is widely used in bridge foundation, water supply, and drainage engineering. On the one hand, the saturated concrete is always in the saturated state. In the cold winter, northeast China and the alpine region suffer from freezing disaster. On the other hand, it has to continue to bear the dynamic load action of vehicles and running water, which makes the stress state of saturated concrete more complicated under the coupling action of low temperature and dynamic load. In order to study the mechanical properties and fracture characteristics of saturated concrete under the coupling effec

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Manasyan, Anahit, and Taron Simonyan. "Legal Symbolism and Constitutional Policy in Contemporary Reality of Changes." Studia Politologiczne, no. 61/2021 (October 1, 2021): 152–85. http://dx.doi.org/10.33896/spolit.2021.61.8.

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The article tries to bring to the light the role of symbolism in the organized human life, in general, and the contemporary societies with the accelerating changes almost in all social structures, in particular. The rational of symbolism in changing socio-political and legal environment creates complexity of the issue, which has been studied in the article, taking into account the methodology of complex system theory. The interconnectivity and interdependency of law, morality and politics create the picture of synergy of different social norms with each other in changing environment. Their pos

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Al-Shamarti, Ahlam Dhahir Mohsin. "PLOT AND STRUCTURE IN A CRITICAL EXAMINATION OF "KING LEAR" BY WILLIAM SHAKESPEARE." American Journal Of Social Sciences And Humanity Research 4, no. 8 (2024): 207–28. http://dx.doi.org/10.37547/ajsshr/volume04issue08-16.

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Known for its complicated character interactions and complex narrative, William Shakespeare's tragedy King Lear is the subject of this paper's critical analysis of the play's structure and plot. The analysis centers on the ways in which Shakespeare enhances the play's thematic resonance through the utilization of structural components, subplots, and parallel narratives. Shakespeare explores themes of power, insanity, familial devotion, and human suffering by intertwining King Lear and Gloucester's narratives. The symmetrical split of the play into acts and scenes reflects the fall into anarchy

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Rots, Jan G., and Max A. N. Hendriks. "Elastic-Brittle Fraction Model for Robust Post-Peak Analysis of Masonry Structures." Key Engineering Materials 624 (September 2014): 27–39. http://dx.doi.org/10.4028/www.scientific.net/kem.624.27.

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The paper presents a model that splits the material cross section into a number of parallel fractions each of them having a different elastic-perfectly brittle characteristic. The idea is that the summation of all parallel fractions provides an approximation of the overall continuum softening curve. Softening is interpreted as a gradual reduction of the cross-sectional area, which it actually is from a physical point of view. Disorder and heterogeneity are introduced by assigning the fractions i different values of Young’s modulus Ei , strength fi and area Ai such that the overall fracture ene

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Sieder, Raimund, and Reinhard Brandner. "Probabilistic Models for the Tensile Properties of Split Boards and Their Application for the Prediction of Bending Properties of Engineered Timber Products Made of Norway Spruce." Buildings 12, no. 8 (2022): 1143. http://dx.doi.org/10.3390/buildings12081143.

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The main strength and elastic properties of structural timber products, such as glued laminated timber (glulam; GLT) and cross-laminated timber (CLT), are usually described via load-bearing models, which use the tensile properties parallel to the grain of the base material boards and finger joints as input parameters. These load-bearing models assume that the strength-graded boards will retain their full dimensions in the final product. In some applications or use cases, however, the structural timber products are split lengthwise, e.g., split/resawn glulam, or comprise a random share of in wi

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Jablonowski, Christiane, Michael Herzog, Joyce E. Penner, et al. "Block-Structured Adaptive Grids on the Sphere: Advection Experiments." Monthly Weather Review 134, no. 12 (2006): 3691–713. http://dx.doi.org/10.1175/mwr3223.1.

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Abstract A spherical 2D adaptive mesh refinement (AMR) technique is applied to the so-called Lin–Rood advection algorithm, which is built upon a conservative and oscillation-free finite-volume discretization in flux form. The AMR design is based on two modules: a block-structured data layout and a spherical AMR grid library for parallel computer architectures. The latter defines and manages the adaptive blocks in spherical geometry, provides user interfaces for interpolation routines, and supports the communication and load-balancing aspects for parallel applications. The adaptive grid simulat

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Zeng, Yan, Wei Wang, Yong Ding, Jilin Zhang, Yongjian Ren, and Guangzheng Yi. "Adaptive Distributed Parallel Training Method for a Deep Learning Model Based on Dynamic Critical Paths of DAG." Mathematics 10, no. 24 (2022): 4788. http://dx.doi.org/10.3390/math10244788.

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AI provides a new method for massive simulated data calculations in molecular dynamics, materials, and other scientific computing fields. However, the complex structures and large-scale parameters of neural network models make them difficult to develop and train. The automatic parallel technology based on graph algorithms is one of the most promising methods to solve this problem, despite the low efficiency in the design, implementation, and execution of distributed parallel policies for large-scale neural network models. In this paper, we propose an adaptive distributed parallel training meth

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