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Articoli di riviste sul tema "Tapered splices"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 11 febbraio 2022

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1

Pierson, Jeffery L., Scott R. Small, Jose A. Rodriguez, Michael N. Kang, and Andrew H. Glassman. "The Effect of Taper Angle and Spline Geometry on the Initial Stability of Tapered, Splined Modular Titanium Stems." Journal of Arthroplasty 30, no. 7 (2015): 1254–59. http://dx.doi.org/10.1016/j.arth.2015.01.054.

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2

Kozlov, V. B., A. B. Istomin, and I. N. Gemba. "Repair and restoration of shafts, couplings, splined and keyed joints." Glavnyj mekhanik (Chief Mechanic), no. 7 (June 11, 2021): 32–42. http://dx.doi.org/10.33920/pro-2-2107-03.

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The article provides an overview of the methods of restoration and repair of various parts of the equipment: shafts, couplings, splined and keyed joints. Recommendations on the choice of methods, equipment and tools are given. In case of wear, the keyway is repaired by welding the face with subsequent milling. At the same time, the keyway size set by the standard is maintained. Such repairs are also possible: the keyway is expanded and deepened, completely eliminating the traces of wear, after which a stepped key is made to it. However, with such repairs, a high-quality connection is not provi

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3

Piccirillo, Paul S., and C. W. Van Atta. "An experimental study of vortex shedding behind linearly tapered cylinders at low Reynolds number." Journal of Fluid Mechanics 246 (January 1993): 163–95. http://dx.doi.org/10.1017/s0022112093000084.

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Experiments were performed to study vortex shedding behind a linearly tapered cylinder. Four cylinders were used, with taper ratios varying from 50:1 to 100:1. The cylinders were each run at four different velocities, adjusted to cover the range of laminar vortex shedding for a non-tapered cylinder. The flow was confirmed to consist of discrete shedding cells, each with a constant frequency. For a centrespan Reynolds number greater than 100, the dimensionless mean cell length was found to be a constant. Individual cell size was found to be roughly self-similar. New shedding cells were created

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4

Zhu, Xiaoliang, and Huoxing Xiang. "Tapered splice technique for capillary optical fiber." Optical Fiber Technology 36 (July 2017): 130–33. http://dx.doi.org/10.1016/j.yofte.2017.03.007.

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5

Figueiredo-Filho, Afonso, Bruce E. Borders, and Kenneth L. Hitch. "Number of diameters required to represent stem profiles using interpolated cubic splines." Canadian Journal of Forest Research 26, no. 7 (1996): 1113–21. http://dx.doi.org/10.1139/x26-124.

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Interpolated cubic splines were used to estimate diameters and partial or total volumes for 285 trees from Pinustaeda L. plantations in southern Brazil. A range of 4 to 13 interpolated points was tested in an attempt to determine how many points are necessary to adequately represent stem taper. The various number of combinations with 13 or fewer points for interpolation were compared with a full spline of 16 points, which according to pertinent literature, estimates volume similarly to the traditional volume formulas (Newton, Huber, Smalian). The results showed that 10 well-placed points are n

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6

Kuželka, Karel, and Róbert Marušák. "Spline representation of irregular and malformed stem profiles of broadleaved tree species in White Carpathian Mountains." Beskydy 5, no. 2 (2012): 111–20. http://dx.doi.org/10.11118/beskyd201205020111.

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The paper deals with representation of individual stem profiles of beech and oak in White Carpathian Mountains, Czech Republic. Due to complicacy and irregularity of stem profiles of most trees common taper functions are not applicable for individual stem profile description. Selected spline functions were used to model the irregular stem profiles. To fit complicated stem profiles with a spline more input points are needed than for regular stems. The splines were computed using four fixed input points representing diameters in four conventional heights (base diameter, stump diameter, DBH and t

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7

Liu, Peng, Kun Lin, Hongjun Liu, and Rong Qin. "Free Transverse Vibration Analysis of Axially Functionally Graded Tapered Euler-Bernoulli Beams through Spline Finite Point Method." Shock and Vibration 2016 (2016): 1–23. http://dx.doi.org/10.1155/2016/5891030.

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A new model for the free transverse vibration of axially functionally graded (FG) tapered Euler-Bernoulli beams is developed through the spline finite point method (SFPM) by investigating the effects of the variation of cross-sectional and material properties along the longitudinal directions. In the proposed method, the beam is discretized with a set of uniformly scattered spline nodes along the beam axis instead of meshes, and the displacement field is approximated by the particularly constructed cubic B-spline interpolation functions with good adaptability for various boundary conditions. U

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8

Rahman, Ahmad Baharuddin Abd, Loh Hsi Yoon, Izni Syahrizal Ibrahim, Roslli Noor Mohamed, Shahrin Mohammad, and A. Aziz Saim. "Performance of Grouted Splice Sleeves with Tapered Bars under Axial Tension." Applied Mechanics and Materials 789-790 (September 2015): 1176–80. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.1176.

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Many structural failures in precast concrete buildings are initiated by connection failures. To avoid such failures, the connections should have enough strength to join the reinforcement bars between precast concrete panels. This paper presents the structural performance and behaviour of a proposed splice sleeve connection using generic steel pipe. The connection consisted of steel bars with tapered nuts confined in grouted steel pipes. The connections were subjected to increasing axial tension until failure. The results show that the use of smaller pipes gives better confinement effects and p

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9

Ghannadiasl, Amin. "Quintic B-spline collocation method for numerical solution of free vibration of tapered Euler-Bernoulli beam on variable Winkler foundation." Journal of Mechanical Engineering and Sciences 15, no. 2 (2021): 8193–204. http://dx.doi.org/10.15282/jmes.15.2.2021.18.0643.

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The collocation method is the method for the numerical solution of integral equations and partial and ordinary diﬀerential equations. The main idea of this method is to choose a number of points in the domain and a ﬁnite-dimensional space of candidate solutions. So, that solution satisﬁes the governing equation at the collocation points. The current paper involves developing, and a comprehensive, step-by step procedure for applying the collocation method to the numerical solution of free vibration of tapered Euler-Bernoulli beam. In this stusy, it is assumed the beam rested on variable Winkler

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10

Wen, Xiao-dong, Ti-gang Ning, Hai-dong You, et al. "Up-tapered fiber Mach-Zehnder interferometer fabricated by using a fusion splicer." Optoelectronics Letters 9, no. 5 (2013): 325–28. http://dx.doi.org/10.1007/s11801-013-3107-2.

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11

Zheng, Ximeng, Benoît Debord, Luca Vincetti, Benoît Beaudou, Frédéric Gérôme, and Fetah Benabid. "Fusion splice between tapered inhibited coupling hypocycloid-core Kagome fiber and SMF." Optics Express 24, no. 13 (2016): 14642. http://dx.doi.org/10.1364/oe.24.014642.

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12

CHIARI, V. G., and A. L. MORENO JUNIOR. "Experimental evaluation of coupler behavior for mechanical rebar splices in reinforced concrete structures." Revista IBRACON de Estruturas e Materiais 11, no. 6 (2018): 1326–53. http://dx.doi.org/10.1590/s1983-41952018000600009.

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Abstract The use of mechanical splices to connect steel bars is an important solution in many infrastructure projects worldwide. In Brazil, this system is rarely used. The Brazilian standards regarding this subject are old and out of date; particularly with regard to the performance evaluation test methods for these splices in the laboratory. This paper presents and discusses the test procedure proposed in the international standard ISO 15835 [1] in light of the current procedure defined by Brazilian Standard ABNT NBR 8548 [2], applied to types of mechanical splices commonly used in Brazil: ta

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13

Biging, Greg S. "Estimating the accuracy of volume equations using taper equations of stem profile." Canadian Journal of Forest Research 18, no. 8 (1988): 1002–7. http://dx.doi.org/10.1139/x88-153.

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Comparisons of log volume estimation techniques are performed using the equations of Smalian, Huber, and Newton, and a numerical technique using cubic splines. The data utilized were obtained by predicting diameters at various points along the stem from two paper equations for white fir. Results indicate that Newton's and Huber's equations were the most accurate, followed by the cubic spline and Smalian's equation, respectively. This technique facilitated partitioning of the total error in volume estimation into measurement error and error due to model misspecification arising when the taper o

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14

Zapata-Cuartas, Mauricio, Bronson P. Bullock, and Cristian R. Montes. "A Taper Equation for Loblolly Pine Using Penalized Spline Regression." Forest Science 67, no. 1 (2021): 1–13. http://dx.doi.org/10.1093/forsci/fxaa037.

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Abstract Stem profile needs to be modeled with an accurate taper equation to produce reliable tree volume assessments. We propose a semiparametric method where few a priori functional form assumptions or parametric specification are required. We compared the diameter and volume predictions of a penalized spline regression (P-spline), P-spline extended with an additive dbh-class variable, and six alternative parametric taper equations including single, segmented, and variable-exponent equation forms. We used taper data from 147 loblolly pine (Pinus taeda L.) trees to fit the models and make com

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15

Ren, Haonan, Ozan Aktas, Yohann Franz, et al. "Tapered silicon core fibers with nano-spikes for optical coupling via spliced silica fibers." Optics Express 25, no. 20 (2017): 24157. http://dx.doi.org/10.1364/oe.25.024157.

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16

Ishikura, Akihiko, Yasuyuki Kato, and Mitsuru Miyauchi. "Taper splice method for single-mode fibers." Applied Optics 25, no. 19 (1986): 3460. http://dx.doi.org/10.1364/ao.25.003460.

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17

Mizusawa, T., and K. Takami. "Vibration of tapered thickness annular sector plates by spline element method." Journal of Sound and Vibration 154, no. 1 (1992): 147–60. http://dx.doi.org/10.1016/0022-460x(92)90409-q.

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18

Jung, Yongmin, Yoonchan Jeong, Gilberto Brambilla, and David J. Richardson. "Adiabatically tapered splice for selective excitation of the fundamental mode in a multimode fiber." Optics Letters 34, no. 15 (2009): 2369. http://dx.doi.org/10.1364/ol.34.002369.

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19

Mukhtar, Wan Maisarah, P. Susthitha Menon, and Sahbudin Shaari. "Effect of Taper Angle of the Optical Fiber Microprobe in Power Collection." Advanced Materials Research 403-408 (November 2011): 3387–91. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.3387.

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The objective of this experiment is to study the effect of taper angle of the optical fiber microprobe in power collection. Optical fiber microprobes with taper angle from 10° to 23° were fabricated using the automatic fusion splicer by applying one-sided pulling and electric arc heating technique. It was found that the maximum power detected by a small taper angle probe was only -34.22dBm. The highest optical power collected by the optical fiber microprobe in this study was -25.01dBm with taper angle of 22.9°. Large taper angle probe receives more light at the tip which increases the sensitiv

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20

Prasetyo, Agus Dwi, and Edwar Edwar. "Antena Planar UWB dengan Pencatuan Tapered-CPW dan Spline-Curved Ground Plane." Jurnal Nasional Teknik Elektro dan Teknologi Informasi (JNTETI) 8, no. 3 (2019): 259. http://dx.doi.org/10.22146/jnteti.v8i3.521.

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21

Hellman, Michael D., Sean M. Kearns, Daniel D. Bohl, Bryan D. Haughom, and Brett R. Levine. "Revision Total Hip Arthroplasty With a Monoblock Splined Tapered Grit-Blasted Titanium Stem." Journal of Arthroplasty 32, no. 12 (2017): 3698–703. http://dx.doi.org/10.1016/j.arth.2017.06.045.

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22

Merdol, S. D., and Y. Altintas. "Mechanics and Dynamics of Serrated Cylindrical and Tapered End Mills." Journal of Manufacturing Science and Engineering 126, no. 2 (2004): 317–26. http://dx.doi.org/10.1115/1.1644552.

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Serrated end mills are effectively used in suppressing chatter vibrations in roughing operations. Mechanics and dynamics of serrated cylindrical and tapered helical end mills are presented in the article. The serrated flute design knots are fitted to a cubic spline, which is then projected on helical flutes. Cutting edge geometry at any point along the serrated flute is represented by its immersion angle and tangent vectors in radial, tangential and helical directions. The chip thickness removed by each cutting edge point is determined by using exact kinematics of dynamic milling. The cutting

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23

Mlzusawa, T. "Vibration of rectangular mindlin plates with tapered thickness by the spline strip method." Computers & Structures 46, no. 3 (1993): 451–63. http://dx.doi.org/10.1016/0045-7949(93)90215-y.

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24

Mizusawa, T. "Buckling of rectangular Midlin plates with tapered thickness by the spline strip method." International Journal of Solids and Structures 30, no. 12 (1993): 1663–77. http://dx.doi.org/10.1016/0020-7683(93)90196-e.

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25

Cohn, Matthew R., Matthew W. Tetreault, Jefferson Li, et al. "Is There a Benefit to Modularity for Femoral Revisions When Using a Splined, Tapered Titanium Stem?" Journal of Arthroplasty 35, no. 6 (2020): S278—S283. http://dx.doi.org/10.1016/j.arth.2019.12.041.

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26

Gkiatas, Ioannis, Michael-Alexander Malahias, William Xiang, et al. "How Does Contact Length Impact Titanium Tapered Splined Stem Stability: A Biomechanical Matched Pair Cadaveric Study." Journal of Arthroplasty 36, no. 9 (2021): 3333–39. http://dx.doi.org/10.1016/j.arth.2021.04.013.

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27

Tikhomirov, Alexei, and Scott Foster. "CO2Laser Fiber Taper Profile Fabrication for Splice-Free Fiber Laser Arrays." IEEE Photonics Technology Letters 28, no. 13 (2016): 1473–76. http://dx.doi.org/10.1109/lpt.2016.2543735.

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28

Zhou, Zhiwei, Meixia Chen, and Kun Xie. "Non-uniform rational B-spline based free vibration analysis of axially functionally graded tapered Timoshenko curved beams." Applied Mathematics and Mechanics 41, no. 4 (2020): 567–86. http://dx.doi.org/10.1007/s10483-020-2594-7.

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29

Lahtinen, Aatos, and Kaija Laurila. "The monotony preserving QO‐spline as a taper curve." Scandinavian Journal of Forest Research 5, no. 1-4 (1990): 277–83. http://dx.doi.org/10.1080/02827589009382612.

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30

Marchi, Maurizio, Roberto Scotti, Giulia Rinaldini, and Paolo Cantiani. "Taper Function for Pinus nigra in Central Italy: Is a More Complex Computational System Required?" Forests 11, no. 4 (2020): 405. http://dx.doi.org/10.3390/f11040405.

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Abstract (sommario):

Stem tapers are mathematical functions modelling the relative decrease of diameter (rD) as the relative height (rH) increase in trees and can be successfully used in precision forest harvesting. In this paper, the diameters of the stem at various height of 202 Pinus nigra trees were fully measured by means of an optical relascope (CRITERION RD 1000) by adopting a two-steps non-destructive strategy. Data were modelled with four equations including a linear model, two polynomial functions (second and third order) and the Generalised Additive Model. Predictions were also compared with the output

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31

Robalinho, Paulo, and Orlando Frazão. "Fiber Microsphere Coupled in a Taper for a Large Curvature Range." Fibers 7, no. 10 (2019): 87. http://dx.doi.org/10.3390/fib7100087.

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This work consists of using an optical fiber microsphere as a sensor for a wide range of curvature radii. The microsphere was manufactured in a standard fiber with an electric arc. In order to maximize system efficiency, the microsphere was spliced in the center of a taper. This work revealed that the variations of the wavelength where the maxima and minima of the spectrum are located varies linearly with the curvature of the system with a maximum sensitive of 580 ± 20 (pm km). This is because the direction of the input beam in the microsphere depends on the system curvature, giving rise to in

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32

Thérien, Guillaime, and Claude Camiré. "Use of Taper Curve Solved by an Algebraic Method in Silvicultural Research." Forestry Chronicle 62, no. 6 (1986): 529–32. http://dx.doi.org/10.5558/tfc62529-6.

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Taper equations are commonly used to predict the bole shape and to calculate its volume. In this study, a new algebraic solution model is proposed for research purposes. This model was found to be as accurate as cubic spline function and simple to use. It would be particularly appropriate for research on stand reactions after silvicultural treatments. The study also evaluated compatible volume equations. The required accuracy can be obtained only with a volume equation taking into account a form class coefficient. Key words: balsam fir, taper equation, volume equation, algebraic solution model

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33

Kim, Hyuntai, Jongki Kim, Yongmin Jung, et al. "Simple and reliable light launch from a conventional single-mode fiber into a helical-core fiber through an adiabatically tapered splice." Optics Express 20, no. 23 (2012): 25562. http://dx.doi.org/10.1364/oe.20.025562.

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34

Duijndam, A. J. W., and M. A. Schonewille. "Nonuniform fast Fourier transform." GEOPHYSICS 64, no. 2 (1999): 539–51. http://dx.doi.org/10.1190/1.1444560.

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The nonuniform discrete Fourier transform (NDFT) can be computed with a fast algorithm, referred to as the nonuniform fast Fourier transform (NFFT). In L dimensions, the NFFT requires [Formula: see text] operations, where M𝓁 is the number of Fourier components along dimension 𝓁, N is the number of irregularly spaced samples, and ε is the required accuracy. This is a dramatic improvement over the [Formula: see text] operations required for the direct evaluation (NDFT). The performance of the NFFT depends on the lowpass filter used in the algorithm. A truncated Gauss pulse, proposed in the liter

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35

Mukhtar, Wan Maisarah, P. Susthitha Menon, and Sahbudin Shaari. "Microfabricated Fiber Probe by Combination of Electric Arc Discharge and Chemical Etching Techniques." Advanced Materials Research 462 (February 2012): 38–41. http://dx.doi.org/10.4028/www.scientific.net/amr.462.38.

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In this study, optical fiber probes were fabricated by combination of electric arc discharge and chemical etching techniques. Size of tips diameters fabricated using different etching solutions were observed. When the optical fibers were pulled and heated by the electric arc discharge using a fusion splicer, fiber tips with few microns in diameter were obtained. To minimize the tips diameter, the pulled fiber probes were etched vertically for 10 minutes using two different etching solutions namely 49% HF and HF buffer solution (49% HF and 40% NH4F) with ratio of 2:1. A thick overlayer was adde

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36

Hoque, Ahasanul, Mohammad Tariqul Islam, and Ali F. Almutairi. "Low-Profile Slotted Metamaterial Antenna Based on Bi Slot Microstrip Patch for 5G Application." Sensors 20, no. 11 (2020): 3323. http://dx.doi.org/10.3390/s20113323.

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A low-profile high-directivity, and double-negative (DNG) metamaterial-loaded antenna with a slotted patch is proposed for the 5G application. The radiated slotted arm as a V shape has been extended to provide a low-profile feature with a two-isometric view square patch structure, which accelerates the electromagnetic (EM) resonance. Besides, the tapered patch with two vertically split parabolic horns and the unit cell metamaterial expedite achieve more directive radiation. Two adjacent splits with meta units enhance the surface current to modify the actual electric current, which is induced b

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Chen, Xumiao, Miao Miao, Honggang Ma, Chen Shao, and Khaled A. S. Al-Rasheid. "Morphology, morphogenesis and small-subunit rRNA gene sequence of the novel brackish-water ciliate Strongylidium orientale sp. nov. (Ciliophora, Hypotrichia)." International Journal of Systematic and Evolutionary Microbiology 63, Pt_3 (2013): 1155–64. http://dx.doi.org/10.1099/ijs.0.048157-0.

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A novel stichotrich ciliate, Strongylidium orientale sp. nov., was discovered from a mangrove river in Hong Kong, southern China, and its morphology was investigated through observations in vivo and after protargol impregnation. Cells are 80–120×35–50 µm in vivo and fusiform in shape, with rounded anterior and tapered posterior ends. It is characterized by its brackish habitat and by the presence of two types of cortical granules arranged irregularly throughout the cortex. Morphogenetic events of cell division and physiological reorganization are described. The main ontogenetic features were:

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Lin, Tengfei, Bo Zhang, and Kurt Marfurt. "Geometric seismic attribute estimation using data-adaptive windows." Interpretation 7, no. 2 (2019): SC33—SC43. http://dx.doi.org/10.1190/int-2018-0114.1.

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Geometric seismic attributes such as coherence are routinely used for highlighting geologic features such as faults and channels. Traditionally, we use a single user-defined analysis window of fixed size to calculate attributes for the entire seismic volume. In general, smaller windows produce sharper geologic edges, but they are more sensitive to noise. In contrast, larger windows reduce the effect of random noise, but they might laterally smear faults and channel edges and vertically mix the stratigraphy. The vertical and lateral resolutions of a 3D seismic survey change with depth due to at

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Zhu, Yimei, M. Suenaga, and J. Tafto. "The interfacial structure of orthogonally oriented twins in YBa2Cu3O7." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 938–39. http://dx.doi.org/10.1017/s0424820100150526.

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Interfaces such as the twin boundary and grain boundary in YBa2Cu3O7-δ are thought to be important in reconciling the large discrepancy between the low critical-current density observed in bulk polycrystalline. Recently, we studied another type of frequently encountered interface, i.e., the interface between the orthogonally orientated (110) and (-110) twins. In the vicinity of the interface, the crystal has a characteristic geometry because of additional constrains due to the impediment and the local orientational difference. The impinging twins usually have a wedge shape (Fig. la), and when

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Di Domizio, Jennifer, Jeremy P. M. Mogk, and Peter J. Keir. "Wrist Splint Effects on Muscle Activity and Force during a Handgrip Task." Journal of Applied Biomechanics 24, no. 3 (2008): 298–303. http://dx.doi.org/10.1123/jab.24.3.298.

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Wrist splints are commonly prescribed to limit wrist motion and provide support at night and during inactive periods but are often used in the workplace. In theory, splinting the wrist should reduce wrist extensor muscle activity by stabilizing the joint and reducing the need for co-contraction to maintain posture. Ten healthy volunteers underwent a series of 24 10-s gripping trials with surface electromyography on 6 forearm muscles. Trials were randomized between splinted and nonsplinted conditions with three wrist postures (30° flexion, neutral, and 30° extension) and four grip efforts. Cust

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41

Kaya, Mustafa, and Munir Elfarra. "Effect of taper modification on the performance of NREL VI wind turbine blade for low and mid wind speeds." Wind Engineering 43, no. 4 (2019): 392–403. http://dx.doi.org/10.1177/0309524x19858254.

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The taper distribution along the span of the NREL phase VI rotor blade is modified using a new approach. The taper distribution in this approach is expressed as a cubic spline defined by three chord lengths values in the spanwise direction: root, mid-span and tip. Then, the effect of the modified taper distribution on the thrust and the torque is studied. Various blade geometries are generated using different chord length values on the root, mid-span and tip locations while the planform area is kept fixed as the original blade, NREL VI. The flowfields are calculated using a commercial Reynolds

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42

Luo, Taiming, Jianwei Wei, Xiaozhan Yang, Daoyuan Wang, and Wenlin Feng. "Trace Hydrogen Sulphide Gas Sensor Based on Cu/rGO Membrane-Coated Photonic Crystal Fibre Michelson Interferometer." Zeitschrift für Naturforschung A 75, no. 4 (2020): 293–99. http://dx.doi.org/10.1515/zna-2019-0341.

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AbstractA novel Michelson interferometric hydrogen sulphide sensor coated with copper/reduced graphene oxide (Cu/rGO) composite membrane is proposed and fabricated. A section of endlessly photonic crystal fibre (EPCF) was sandwiched in two single-mode fibres (SMFs). One SMF was spliced and tapered with EPCF; the other SMF was connected with the Faraday rotator mirror to construct the Michelson structure. The cladding of the EPCF was coated by the Cu/rGO-sensing membrane, which was prepared by the dip-coating method. The obtained Cu/rGO-sensing film has a length of 25.0 mm. The fabricated sensi

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Scolforo, Henrique Ferraco, John Paul McTague, Harold Burkhart, Joseph Roise, Rafaela Lorenzato Carneiro, and José Luiz Stape. "Generalized stem taper and tree volume equations applied to eucalyptus of varying genetics in Brazil." Canadian Journal of Forest Research 49, no. 5 (2019): 447–62. http://dx.doi.org/10.1139/cjfr-2018-0276.

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Lack of generalized equations has prevailed in Brazil, because it is assumed that localized or climate-specific equations are needed. This study aimed to develop generalized stem taper and volume equations applicable to 11 eucalyptus clones and evaluate if climate variation impacts the accuracy of the estimates. A total of 693 trees evenly distributed across 11 clones at 21 sites were used for model fittings and predictive validation. The penalized mixed spline (PMS) approach was developed for predicting stem taper and volume along the stem profile. The Schumacher and Hall (1933) equation was

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Chen, Xiao Xia, Shu Zhong Lin, and Jing Zhong Xing. "Modeling of Flexspline and Contact Analyses of Harmonic Drive." Key Engineering Materials 419-420 (October 2009): 597–600. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.597.

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Harmonic drive has widespread applications for its compact size and high reduction ratios. It is often favored for electro-mechanical systems with space and weight limitation. In order to minimize the volume and improve its transmission capacity, more and more aborative design technologies are adopted. For structural analyses in assembly state and in transmission stage, Finite Element Analysis (FEA) can be widely applied to get proper parameters and performance. Flexspline usually endures large deformation under assembly force from wave generator. In transmission state, driving force leads to

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Lotfi, S., M. Azhari, and A. Heidarpour. "Inelastic initial local buckling of skew thin thickness-tapered plates with and without intermediate supports using the isoparametric spline finite strip method." Thin-Walled Structures 49, no. 11 (2011): 1475–82. http://dx.doi.org/10.1016/j.tws.2011.07.013.

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Li, Liang, and Dingguo Zhang. "Dynamic analysis of rotating axially FG tapered beams based on a new rigid–flexible coupled dynamic model using the B-spline method." Composite Structures 124 (June 2015): 357–67. http://dx.doi.org/10.1016/j.compstruct.2015.01.018.

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Altinbalik, Tahir, Sedat Bingöl, and Önder Ayer. "Simulation of Lateral Extrusion of Spline Form Based on the Software DEFORM-3D." Applied Mechanics and Materials 729 (January 2015): 149–54. http://dx.doi.org/10.4028/www.scientific.net/amm.729.149.

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Lateral extrusion, sometimes called injection upsetting, offers a product with central boss section having complete or segmented protrusions. Collar flanges, spur gear forms, spline or taper with shaft are examples of the products of produce by lateral extrusion. The aim of this study is to investigate the lateral extrusion of gear-like spline form in terms of forming load and load die filling ratio and comparison the results with those results obtained from a commercially FEM based programme named DEFORM-3D. A series of experiment has been carried out using solid lead billets with two differe

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Garner, David M., Naiara Maria de Souza, Vitor E. Valenti, and Luiz Carlos M. Vanderlei. "Complexity of Cardiac Autonomic Modulation in Diabetes Mellitus: A New Technique to Perceive Autonomic Dysfunction." Romanian Journal of Diabetes Nutrition and Metabolic Diseases 26, no. 3 (2019): 279–91. http://dx.doi.org/10.2478/rjdnmd-2019-0029.

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Abstract Backgound and aims. In this study we analyzed heart rate variability (HRV) via chaotic global techniques so as to discriminate diabetics from control subjects. Matherial and method. Chaotic global analysis of the RR-intervals from the electrocardiogram and preprocessing adjustments were undertaken. The effect of varying two parameters to adjust the Multi-Taper Method (MTM) power spectrum were evaluated. Then, cubic spline interpolations from 1Hz to 13Hz were applied whilst the spectral parameters were fixed. Precisely 1000 RR-intervals of data were recorded. Results. CFP1 and CFP3 are

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Li, Qiang, and Yun Long Diao. "Digital Conjugate of Tooth Surface of Logarithmic Spiral Bevel Gear." Applied Mechanics and Materials 556-562 (May 2014): 1079–82. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1079.

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Based on the surface of the envelope principle and the digital conjugate surface theory, The taper logarithm helical gear meshing theory further perfect. According to the mathematical model of logarithmic spiral bevel gear tooth surface meshing, using MATLAB powerful scientific analysis and calculation visual features and functions for the conjugate tooth surface equation to get the enveloping surface discrete conjugate points and draw out the conjugate tooth surface. Again through the optimization of surface get rid of the noise, end up with conjugate tooth surface precision, and can B spline

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Naghsh, Mohammad Ali, Saeid Sarrami-Foroushani, Mojtaba Azhari, and Sajjad Mohajeri. "Static and dynamic instability analysis of tapered CNTRC sandwich plates under uniform and non-uniform in-plane loadings using spline finite strip method." Aerospace Science and Technology 110 (March 2021): 106514. http://dx.doi.org/10.1016/j.ast.2021.106514.

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