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Journal articles on the topic 'Angles de Cardan'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Fischer, I. S., and R. N. Paul. "Kinematic Displacement Analysis of a Double-Cardan-Joint Driveline." Journal of Mechanical Design 113, no. 3 (1991): 263–71. http://dx.doi.org/10.1115/1.2912778.

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The input-output displacement relations of two Cardan joints arranged in series on a driveline has been investigated in detail, including the effects of unequal joint angles, the phase angle between the two Cardan joints and also such manufacturing tolerance errors as nonright angle moving link lengths and offset joint axes. A combined Newton-Raphson method and Davidon-Fletcher-Powell optimization algorithm using dual-number coordinate-transformation matrices was employed to perform the analysis. An experiment was conducted to validate the results of the analysis. The apparatus consisted of a

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2

Rimrott, F. P. J., W. M. Szczygielski, and B. Tabarrok. "Kinetic Energy and Complementary Kinetic Energy in Gyrodynamics." Journal of Applied Mechanics 60, no. 2 (1993): 398–405. http://dx.doi.org/10.1115/1.2900807.

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The concepts of kinetic energy and complementary kinetic energy permit to distinguish between two different formulations of what happens to be the same quantity in Newtonian mechanics. These formulations turn out to play a significant role in gyrodynamics in that they can be used very effectively to establish fundamental equations. It is relatively straightforward to establish a complementary kinetic energy expression. The establishment of the kinetic energy expression is, in spite of its unambiguous definition, more complicated, and a way is presented how to obtain it without too much difficu

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Sinclair, Jonathan, Paul J. Taylor, and Lindsay Bottoms. "The Appropriateness of the Helical Axis Technique and Six Available Cardan Sequences for the Representation of 3-D Lead Leg Kinematics During the Fencing Lunge." Journal of Human Kinetics 37, no. 1 (2013): 7–15. http://dx.doi.org/10.2478/hukin-2013-0020.

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Cardan/Euler angles represent the most common technique for the quantification of segmental rotations. Cardan angles are influenced by their ordered sequence, and sensitive to planar-cross talk from the dominant rotation plane, which may affect the angular parameters. The International Society of Biomechanics (ISB) currently recommends a sagittal, coronal, and then transverse (XYZ) ordered sequence, although it has been proposed that when quantifying non-sagittal rotations this may not be the most appropriate technique. This study examined the influence of the helical and six available Cardan

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4

Hirsch, Steven M., Devon Frayne, Stephen Brown, and David M. Frost. "Interpreting Knee Valgus: Orthogonal Distance Vs Cardan/Euler Angles." Medicine & Science in Sports & Exercise 52, no. 7S (2020): 255–56. http://dx.doi.org/10.1249/01.mss.0000676340.24399.24.

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5

Benkhemis, I., M. Boucher, W. Bertucci, and R. Taiar. "22.3 Effect of cardan angles sequences on the force value." Gait & Posture 21 (June 2005): S143. http://dx.doi.org/10.1016/s0966-6362(05)80471-0.

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6

Tupling, S. J., and M. R. Pierrynowski. "Use of cardan angles to locate rigid bodies in three-dimensional space." Medical & Biological Engineering & Computing 25, no. 5 (1987): 527–32. http://dx.doi.org/10.1007/bf02441745.

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7

Plamondon, A., and M. Gagnon. "Errors in Simulated Vertebral Motions Using Cardan Euler Angles With a Least Squares Method." Journal of Biomechanical Engineering 114, no. 2 (1992): 260–62. http://dx.doi.org/10.1115/1.2891380.

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8

Carbonari, Luca, Luca Bruzzone, and Massimo Callegari. "Impedance Control of a Spherical Parallel Platform." International Journal of Intelligent Mechatronics and Robotics 1, no. 1 (2011): 40–60. http://dx.doi.org/10.4018/ijimr.2011010103.

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This article describes the impedance control of an in-parallel actuated orientation platform. The algorithm is based on a representation of platform orientation which exploits the equivalent axis of rotation: this approach is more intuitive and easier to visualize than conventional methods based on Cardan or Euler angles. Moreover, since for small angular displacements the Mozzi’s axis lies very close to angular velocity, impedance control algorithms based on such representation provides better performances and smoother motions. Results of numerical simulations and experimental tests are shown

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9

Javorova, Juliana, and Anastas Ivanov. "Study of soccer ball flight trajectory." MATEC Web of Conferences 145 (2018): 01002. http://dx.doi.org/10.1051/matecconf/201814501002.

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In this paper the trajectories of a soccer ball for the most important kicks in the football game - a corner kick and a direct free kick are studied. The soccer ball is modelled as an ideal rigid hollow spherical body with six degrees of freedom, which performs a general motion in an immovable air environment with constant parameters. The ball 3D orientation is determined by the three Cardan angles. The aerodynamic forces and moments with which the air environment acts to the ball are taken into account. Two of the most dangerous areas of the football goal are defined. Differential equations w

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10

Veličković, S., Z. Djordjević, B. Stojanović, J. Blagojević, and S. Miladinović. "Influence of angles of fiber orientation on improving the characteristics of composite cardan shaft using factorial experiment." IOP Conference Series: Materials Science and Engineering 393 (August 10, 2018): 012086. http://dx.doi.org/10.1088/1757-899x/393/1/012086.

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11

Guess, Trent M., Swithin Razu, Amirhossein Jahandar, Marjorie Skubic, and Zhiyu Huo. "Comparison of 3D Joint Angles Measured With the Kinect 2.0 Skeletal Tracker Versus a Marker-Based Motion Capture System." Journal of Applied Biomechanics 33, no. 2 (2017): 176–81. http://dx.doi.org/10.1123/jab.2016-0107.

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The Microsoft Kinect is becoming a widely used tool for inexpensive, portable measurement of human motion, with the potential to support clinical assessments of performance and function. In this study, the relative osteokinematic Cardan joint angles of the hip and knee were calculated using the Kinect 2.0 skeletal tracker. The pelvis segments of the default skeletal model were reoriented and 3-dimensional joint angles were compared with a marker-based system during a drop vertical jump and a hip abduction motion. Good agreement between the Kinect and marker-based system were found for knee (co

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12

Koh, Timothy J., Mark D. Grabiner, and John J. Brems. "Three-Dimensional in Vivo Kinematics of the Shoulder during Humeral Elevation." Journal of Applied Biomechanics 14, no. 3 (1998): 312–26. http://dx.doi.org/10.1123/jab.14.3.312.

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Shoulder kinematics, including scapular rotation relative to the trunk and humeral rotation relative to the scapula, were examined during humeral elevation in three vertical planes via video analysis of intracortical pins. Helical axis parameters provided an easily interpretable description of shoulder motion not subject to the limitations associated with Cardan/Euler angles. Between 30 and 150° of elevation in each plane, the scapula rotated almost solely about an axis perpendicular to the scapula. Additional scapular rotation appeared to support the notion that the scapula moves “toward” the

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13

Patonis, Photis, Petros Patias, Ilias N. Tziavos, Dimitrios Rossikopoulos, and Konstantinos G. Margaritis. "A Fusion Method for Combining Low-Cost IMU/Magnetometer Outputs for Use in Applications on Mobile Devices." Sensors 18, no. 8 (2018): 2616. http://dx.doi.org/10.3390/s18082616.

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This paper presents a fusion method for combining outputs acquired by low-cost inertial measurement units and electronic magnetic compasses. Specifically, measurements of inertial accelerometer and gyroscope sensors are combined with no-inertial magnetometer sensor measurements to provide the optimal three-dimensional (3D) orientation of the sensors’ axis systems in real time. The method combines Euler–Cardan angles and rotation matrix for attitude and heading representation estimation and deals with the “gimbal lock” problem. The mathematical formulation of the method is based on Kalman filte

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Graf, Eveline S., Ian C. Wright, and Darren J. Stefanyshyn. "Effect of Relative Marker Movement on the Calculation of the Foot Torsion Axis Using a Combined Cardan Angle and Helical Axis Approach." Computational and Mathematical Methods in Medicine 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/368050.

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The two main movements occurring between the forefoot and rearfoot segment of a human foot are flexion at the metatarsophalangeal joints and torsion in the midfoot. The location of the torsion axis within the foot is currently unknown. The purpose of this study was to develop a method based on Cardan angles and the finite helical axis approach to calculate the torsion axis without the effect of flexion. As the finite helical axis method is susceptible to error due to noise with small helical rotations, a minimal amount of rotation was defined in order to accurately determine the torsion axis l

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15

Xia, Yuanfeng, Jian Pang, Liang Yang, Qin Zhao, and Xianwu Yang. "Nonlinear numerical and experimental study on the second-order torsional and lateral vibration of driveline system connected by cardan joint." Journal of Vibration and Control 26, no. 7-8 (2019): 540–51. http://dx.doi.org/10.1177/1077546319889846.

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In this article, a nonlinear dynamic model with five degrees-of-freedom for a four-wheel-drive vehicle driveline connected by a cardan joint, including dynamic intersection angle, nonconstant velocity, and additional moment caused by the cardan joint, is established by using the Lagrange method to analyze the driveline coupling vibration in both torsional and lateral directions. High-order Runge–Kutta algorithm is applied to solve the differential equations and to calculate transient responses of the driveline rotors under acceleration condition. The color maps and second-order vibration of th

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16

Lee, M. G., J. G. Choi, Heon Young Kim, R. H. Wagoner, and June Key Lee. "Experimental Study of Springback in Draw Bend Test of AZ31B Magnesium Alloy Sheet." Advanced Materials Research 26-28 (October 2007): 389–92. http://dx.doi.org/10.4028/www.scientific.net/amr.26-28.389.

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Springback has been measured under various process conditions corresponding to those found in real press-stamping operations. The draw bend tests originally developed at Ohio State University (Carden et al., 2002 [1]) were conducted using a range of tool radii, direct controlled constraining forces, and friction conditions. Especially, the draw-bend test was able to apply precise constant restraining force and almost negligible friction by rotating the cylindrical tool with the same speed of drawn sheet strip. Springback angle changes were measured for the bending and sidewall curl regions to

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17

Zhao, Yun Peng, and Nan Li. "Research on Coordinate System Transformation in Flexible Rope FEA." Advanced Materials Research 753-755 (August 2013): 1785–89. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1785.

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This paper focuses on the transform relationships between each element and between elements with inertial system under different attitude coordinate system in the finite element multi-body system mechanical analysis of the flexible rope process. It mainly research the attitude coordinate transformation matrix between the of flexible rope Micro-element and inertial system under the four coordinate system which are the direction cosine coordinates, finite rotation four element coordinates, Euler angle coordinate and Cardan angle coordinates, and the relationship between the connecting base on th

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18

SAITO, Takashi, Yohji OKADA, Bunsyu NAGAI, and Yoshihiko SHINODA. "Development of Cardan Angle Control Magnetic Bearing and Application to Stabilize Flexible Rotor." Transactions of the Japan Society of Mechanical Engineers Series C 65, no. 629 (1999): 76–81. http://dx.doi.org/10.1299/kikaic.65.76.

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19

Caspers, Martijn. "Absence of Cartan subalgebras for right-angled Hecke von Neumann algebras." Analysis & PDE 13, no. 1 (2020): 1–28. http://dx.doi.org/10.2140/apde.2020.13.1.

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20

Bárczy, Tamás, and György Kaptay. "Modeling the Infiltration of Liquid Metals Into Porous Ceramics." Materials Science Forum 473-474 (January 2005): 297–302. http://dx.doi.org/10.4028/www.scientific.net/msf.473-474.297.

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A new “Closely Packed Equal Sphere” (CPES) infiltration model has been developed by us. It differs from the classical capillary infiltration model mainly in the value of the critical contact angle of spontaneous infiltration (50,7o, instead of 90o), and as a consequence, it also differs in the functional relationship between the threshold pressure and the contact angle. Our new equation becomes identical with the Carman equation for perfectly wettability. Our experimental results are in good agreement with these theoretical results.

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21

Hsu, Pei, and Wilfrid S. Kendall. "Limiting angle of brownian motion in certain two-dimensional Cartan-Hadamard manifolds." Annales de la faculté des sciences de Toulouse Mathématiques 1, no. 2 (1992): 169–86. http://dx.doi.org/10.5802/afst.744.

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22

Schache, Anthony G., Tim V. Wrigley, Peter D. Blanch, Roland Starr, David A. Rath, and Kim L. Bennell. "The effect of differing Cardan angle sequences on three dimensional lumbo-pelvic angular kinematics during running." Medical Engineering & Physics 23, no. 7 (2001): 495–503. http://dx.doi.org/10.1016/s1350-4533(01)00070-4.

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23

Oiwa, Shunya, and Takahiro Yajima. "Jacobi stability analysis and chaotic behavior of nonlinear double pendulum." International Journal of Geometric Methods in Modern Physics 14, no. 12 (2017): 1750176. http://dx.doi.org/10.1142/s0219887817501766.

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In this paper, we study the Jacobi stability on the nonlinear double pendulum by the Kosambi–Cartan–Chern (KCC) theory. We assume that the mass and length of rods of two kinds of pendulums are equal, respectively. Moreover, we consider the case that initial angles of the double pendulum are equal. Under these conditions, we obtain the boundary between Jacobi stable and unstable trajectories for initial angles. It is shown that the condition of Jacobi stable or unstable depends only on deflection angles of the nonlinear double pendulum. Then, we discuss relationships between Jacobi stability, p

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24

Övgün, Ali, and İzzet Sakallı. "Testing generalized Einstein–Cartan–Kibble–Sciama gravity using weak deflection angle and shadow cast." Classical and Quantum Gravity 37, no. 22 (2020): 225003. http://dx.doi.org/10.1088/1361-6382/abb579.

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25

Pataky, Todd C., and John H. Challis. "Using directional statistics to test hypotheses regarding rigid body attitude: Comparison to univariate and multivariate Cardan angle tests." Journal of Biomechanics 111 (October 2020): 109976. http://dx.doi.org/10.1016/j.jbiomech.2020.109976.

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26

Zhang, Lu, Songbai Chen, and Jiliang Jing. "Gravitational lensing by a black hole with torsion." International Journal of Modern Physics D 27, no. 12 (2018): 1850110. http://dx.doi.org/10.1142/s0218271818501109.

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In this paper, we have investigated the gravitational lensing in a spherically symmetric spacetime with torsion in the generalized Einstein–Cartan–Kibble–Sciama (ECKS) theory of gravity by considering higher order terms. The torsion parameters change the spacetime structure, which affects the photon sphere, the deflection angle and the strong gravitational lensing. The condition of existence of horizons is not inconsistent with that of the photon sphere. Especially, there exists a novel case in which there is horizon but no photon sphere for the considered spacetime. In this special case, the

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27

Uthaykumar, M., R. Prasanna, D. Simson, R. M. Sakthi Sadhasivam, M. Lenin, and P. Sumalatha Devi. "Effect of Rake Angle on Chip Control in CNC Lathe Machining of Low Carbon Steel." Bonfring International Journal of Industrial Engineering and Management Science 6, no. 4 (2016): 146–51. http://dx.doi.org/10.9756/bijiems.7549.

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28

SAIGO, Muneharu, and Takuzo IWATSUBO. "Transverse vibration of a rotor system driven by Cardan joints. (3rd report. Influence of initial intersecting angle and sign of torque)." Transactions of the Japan Society of Mechanical Engineers Series C 55, no. 516 (1989): 1911–17. http://dx.doi.org/10.1299/kikaic.55.1911.

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29

BERTRAND, CHRISTINE, RICHARD KERNER, and SALVATORE MIGNEMI. "GENERALIZATION OF MANTON’S CONSTRUCTION OF THE WEINBERG-SALAM MODEL WITH A GAUSS-BONNET TERM." International Journal of Modern Physics A 07, no. 31 (1992): 7741–52. http://dx.doi.org/10.1142/s0217751x92003501.

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In a paper1 published in 1979 Manton has derived the bosonic sector of the Weinberg-Salam electroweak model by considering the Yang-Mills Lagrangian on a six-dimensional space M4×S2. The model turned out to be very rigid and identified the Weinberg angle with the angle between two neighbor roots in the Cartan diagram of the gauge group. leading to θW=60° for SU(3), θW=45° for O(5) and θW=30° for G2 and to the equality of the masses of the Z particle and of the Higgs boson. We generalize this model by identifying the Yang-Mills Lagrangian with a part of the Einstein-Hilbert Lagrangian on the fi

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Sakhnova, T. A., E. V. Blinova, I. N. Merkulova, et al. "Factors Associated with the Increase in Spatial and Frontal QRS-T Angles in Patients with Inferior Myocardial Infarction." Kardiologiia 60, no. 11 (2020): 76–83. http://dx.doi.org/10.18087/cardio.2020.11.n1295.

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Aim To identify clinical, echocardiographic, and angiographic factors related with an increase in the frontal QRS-T angle (fQRS-T) and the spatial QRS-T angle (sQRS-T) in patients with inferior myocardial infarction.Material and methods The study included 128 patients aged (median [25th percentile; 75th percentile]) 59.5 [51.5; 67.0] years diagnosed with inferior wall acute myocardial infarction. fQRS-T was calculated as a module of difference between the QRS axis and the Т axis in the frontal plane. sQRS-T was calculated by a synthesized vectorcardiogram as a spatial angle between the QRS and

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31

London, S. "Genetic polymorphism of CYP2D6 and lung cancer risk in African- Americans and Caucasians in Los Angeles County." Carcinogenesis 18, no. 6 (1997): 1203–14. http://dx.doi.org/10.1093/carcin/18.6.1203.

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Wu, A. H. "Plasma isoflavone levels versus self-reported soy isoflavone levels in Asian-American women in Los Angeles County." Carcinogenesis 25, no. 1 (2003): 77–81. http://dx.doi.org/10.1093/carcin/bgg189.

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33

Jana, Santhanu, Juergen Jakumeit, Ruedoger Tiefers, and Todor Stoyanov. "Simulation of Cold Shuts and Misruns in Centrifugal Casting of TiAl Low Pressure Turbine Blades." Materials Science Forum 765 (July 2013): 155–59. http://dx.doi.org/10.4028/www.scientific.net/msf.765.155.

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In this work cold shuts and misruns in thin turbine blade test geometries are predicted using a three-phase mold filling and solidification simulation methodology applied to a centrifugal casting process of turbine blades. The methodology is based on a finite-volume method with arbitrary shaped polyhedral control volumes. The Volume-of-Fluid (VOF) approach has been used to capture the phase separation between gas, melt and solid. A High Resolution Interface Capturing (HRIC) scheme has been established to gain sharp interfaces between phases, mandatory for correct calculation of surface tension

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34

Wang, Jiulong, Hongqing Song, Weiyao Zhu, Yuhe Wang, and John Killough. "Flow characteristics and a permeability model in nanoporous media with solid-liquid interfacial effects." Interpretation 5, no. 1 (2017): SB1—SB8. http://dx.doi.org/10.1190/int-2016-0009.1.

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Molecular dynamics simulations of water flow through nanotubes have demonstrated higher flow rates than the flow rates predicted using classical models and a significant change in flow patterns due to the thin film that forms on the solid wall of the tubes. We have developed a two-region analytical model that described the flow characteristics and permeability of fluid flow through nanoporous media and considered the solid-liquid interfacial effects. Our model considers the influence of various interfacial effects, including long-range van der Waals forces, double-layer repulsive forces, and s

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Vasyuk, Yu A., V. V. Nesvetov, E. N. Yushuk, and M. M. Scherbak. "Clinical Capabilities and Limitations in the Use of Modern Technologies in Echocardiography." Kardiologiia 59, no. 7 (2019): 68–75. http://dx.doi.org/10.18087/cardio.2019.7.2651.

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Transthoracic echocardiography is the most frequently used method for detection of impaired contractility of the left ventricle. In most cases, assessment of contractility is carried out visually “by eye”, what increases its subjectivity, is operator-dependent in nature and requires a high level of clinical training and experience of the researcher. Currently in the arsenal of a specialist in echocardiography for quantification of left ventricular contractility sometimes is used tissue Doppler echocardiography, however, this method requires special settings of the image (high frame rate, the a

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Gago-Dominguez, Manuela, Xuejuan Jiang, David V. Conti, et al. "Genetic variations on chromosomes 5p15 and 15q25 and bladder cancer risk: findings from the Los Angeles–Shanghai bladder case–control study." Carcinogenesis 32, no. 2 (2010): 197–202. http://dx.doi.org/10.1093/carcin/bgq233.

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37

Claudio, Grimaldi. "La variabilité des références dans les dénominations de couleur françaises." SHS Web of Conferences 78 (2020): 05010. http://dx.doi.org/10.1051/shsconf/20207805010.

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Le concept de couleur a été depuis toujours au carrefour de plusieurs champs de connaissance tels que, entre autres, la physique, la psychologie, l’anthropologie, la physiologie et la linguistique. En particulier, le concept de couleur a été analysé de manière significative en linguistique (morphologie, sémantique, pragmatique), linguistique cognitive, psycholinguistique, traduction et lexicographie sous plusieurs angles et perspectives. Toutefois peu d’études ont analysé les évolutions en diachronie des dénominations de couleur, notamment en ce qui concerne la sphère sémantique relative aux r

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Bouchardy, C. "Re: London,S.J. et al. (1997) Genetic polymorphism of CYP2D6 and lung cancer risk in African-Americans and Caucasians in Los Angeles County. Carcinogenesis, 18, 1203-1214." Carcinogenesis 19, no. 3 (1998): 533–35. http://dx.doi.org/10.1093/carcin/19.3.533.

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Erker, Gerhard. "Chemistry of organo-zirconium and -hafnium compounds. Von D. J. Cardin, M. F. Lappert und C. L. Raston. Ellis Horwood, Chichester 1986. 451 S., geb. £ 59.50. — ISBN 0-85312-475-2." Angewandte Chemie 99, no. 8 (1987): 825–26. http://dx.doi.org/10.1002/ange.19870990838.

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Rakhmanov, S. R. "Some peculiarities of the process of the pipe purse firmware on the firmware." Metallurgicheskaya i gornorudnaya promyshlennost, no. 1 (2019): 31–39. http://dx.doi.org/10.33101/s001-1700087840.

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Purpose. Conducting research aimed at choosing the rational modes of flashing the tubular billet by stabilizing the dynamic characteristics of the drive power line of heavy-duty piercing mills TPA. Methodology. The dynamics of the power line of the piercing mill of the pipe-rolling unit (TPA) are considered, taking into account the peculiarities of the behavior of the spindle hinges and the mechanism for setting the work rolls. Findings. The differential equation of motion of the line of the main drive of the piercing mill is composed and its numerical solution is given. An adapted three-mass

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Dongmei, Lang, Zhu Zitan, Qin Sijun, and Lyu Deguo. "Root architecture and nitrogen metabolism in roots of apple rootstock respond to exogenous glucose supply in low carbon soil." Plant, Soil and Environment 64, No. 5 (2018): 240–46. http://dx.doi.org/10.17221/15/2018-pse.

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To investigate the response of root architecture and nitrogen metabolism of apple rootstock to glucose supply in low-carbon (C) soil, Malus baccata (L.) Borkh. in gravel soil was treated with glucose C equal to the soil microbial biomass carbon (MBC)-C value (G<sub>1</sub>), five times the soil MBC value (G<sub>2</sub>), or with no glucose (CK). The roots samples were harvested after treatments for 7, 15 and 30 days. The roots tended to become larger, more dichotomous and showed a larger link branching angle in G<sub>1</sub> and G<sub>2</sub> tha

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Kececioglu, Ifiyenia, and Yuxiang Jiang. "Flow Through Porous Media of Packed Spheres Saturated With Water." Journal of Fluids Engineering 116, no. 1 (1994): 164–70. http://dx.doi.org/10.1115/1.2910229.

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The existing literature on the flow of fluids through porous packed beds gives very limited quantitative information on the criteria employed in marking the applicability of the different flow regimes. It is the objective of this paper to provide experimental evidence for determining the demarcation criteria during the flow of water through a bed of randomly packed spherical beads. Two different sizes of glass beads, 3 mm and 6 mm, were employed as the porous matrix through which water flowed at rates varying from 5.07 × 10−6 m3/s to 4920 × 10−6 m3/s. Our dimensionless pressure drop data showe

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Magaš, Damir. "Mirjana Polić Bobić: Kalifornijski zapisi oca Ferdinanda Konšćaka iz Družbe Isusove, Hrvatska sveučilišna naklada, Zagreb, 2015." Geoadria 21, no. 1 (2016): 167. http://dx.doi.org/10.15291/geoadria.170.

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Mirjana POLIĆ BOBIĆ: Kalifornijski zapisi oca Ferdinanda Konšćaka iz Družbe Isusove, Hrvatska sveučilišna naklada, Zagreb, 2015.U ovoj knjizi autorica je iscrpno i kompetentno, kao ponajbolji prevodilac pisane ostavštine Ferdinanda Konšćaka, analitički i metodološki kvalitetno, uz podrobna objašnjenja i popratna razmišljanja, na tristo stranica predstavila bogatu i vrijednu pisanu ostavštinu kao i relevantne spise o njegovom radu i o njemu. To je do sada najsveobuhvatniji pristup obradi spisa ovoga pripadnika Družbe Isusove u nas, koji uvelike pridonosi spoznaji o veličini i značenju njegovih

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Pich Mitjana, Josep, and David Martínez Fiol. "Manuel Brabo Portillo. Policía, espía y pistolero (1876-1919)." Vínculos de Historia. Revista del Departamento de Historia de la Universidad de Castilla-La Mancha, no. 8 (June 20, 2019): 387. http://dx.doi.org/10.18239/vdh_2019.08.20.

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RESUMEN:El objetivo del artículo es aproximarnos a la controvertida biografía del comisario Manuel Brabo Portillo. El trabajo está basado en fuentes primarias y secundarias. El método utilizado es empírico. En el imaginario del mundo sindicalista revolucionario, Brabo Portillo era el policía más odiado, la reencarnación de la cara más turbia del Estado. Fue, así mismo, un espía alemán relacionado con el hundimiento de barcos españoles, el asesinato del empresario e ingeniero Barret y el primer jefe de los terroristas vinculados a la patronal barcelonesa. La conflictividad que afectó a España e

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MacWilliams, Bruce A., and Roy B. Davis. "Addressing Some Misperceptions of the Joint Coordinate System." Journal of Biomechanical Engineering 135, no. 5 (2013). http://dx.doi.org/10.1115/1.4024142.

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The joint coordinate system convention proposed by Grood and Suntay has been widely adopted, but often misrepresented. Previous work has argued by logical explanation of the approach that the joint coordinate system is a set of Euler or Cardan angles. The current work offers both an explanation and mathematical proof that the joint coordinate system convention is equivalent to a Cardan angle sequence, thereby demonstrating the joint coordinate system angles are both sequence dependent and orthogonal.

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Watson, I. T., B. Gangadhara Prusty, J. Olsen, and D. Farrell. "A Parameter Investigation Into the Thompson Constant-Velocity Coupling." Journal of Mechanical Design 133, no. 12 (2011). http://dx.doi.org/10.1115/1.4005229.

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The Thompson coupling is a relatively recent design of constant-velocity coupling, that is, principally based on the double Cardan mechanism. An extra mechanism comprising a spherical pantograph serves to align the intermediate shaft of this coupling and so maintains the constant velocity of the double Cardan mechanism, in a modular fashion. This technical note serves to introduce basic closed form expressions for the coupling’s geometry—which may then be used to derive linkage accelerations and dynamic forces. The expressions are derived using standard identities in spherical geometry. The re

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Tanık, Engin, and Volkan Parlaktaş. "Compliant Cardan Universal Joint." Journal of Mechanical Design 134, no. 2 (2012). http://dx.doi.org/10.1115/1.4005657.

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In this study, a compliant version of the Cardan universal joint is introduced. The original design consists of two identical parts assembled at right angle with respect to each other. The single piece part can be produced from planar materials; thus, it has the advantage of easiness in manufacturing. Dimensions of the mechanism are devised in order to satisfy the Cardan joint theory and to avoid an undesired contact between the identical parts. As a design example, a mechanism is dimensioned. The resultant stresses at flexural hinges of this sample are determined via finite element analysis m

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Glasoe, Ward M., Fernando A. Pena, and Vandana Phadke. "Cardan angle rotation sequence effects on first-metatarsophalangeal joint kinematics: implications for measuring hallux valgus deformity." Journal of Foot and Ankle Research 7, no. 1 (2014). http://dx.doi.org/10.1186/1757-1146-7-29.

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Ishida, Hiroaki, Roman Krutowski, and Taras Panov. "Basic Cohomology of Canonical Holomorphic Foliations on Complex Moment-Angle Manifolds." International Mathematics Research Notices, October 7, 2020. http://dx.doi.org/10.1093/imrn/rnaa252.

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Abstract We describe the basic cohomology ring of the canonical holomorphic foliation on a moment-angle manifold, LVMB-manifold, or any complex manifold with a maximal holomorphic torus action. Namely, we show that the basic cohomology has a description similar to the cohomology ring of a complete simplicial toric variety due to Danilov and Jurkiewicz. This settles a question of Battaglia and Zaffran, who previously computed the basic Betti numbers for the canonical holomorphic foliation in the case of a shellable fan. Our proof uses an Eilenberg–Moore spectral sequence argument; the key ingre

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Liu, Hsien-Kuang, and Azar Parvizi-Majidi. "Modeling and Experimental Investigations of Pressure Infiltration of Sol-Gel processed 3-D Ceramic Matrix Composites." MRS Proceedings 271 (1992). http://dx.doi.org/10.1557/proc-271-601.

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ABSTRACTA parabolic rate kinetics model has been developed and verified by experiments for the pressure infiltration of textile ceramic matrix composites using sol-gel processing with added solid particles. Darcy's law and a global permeability of the whole system were adopted in the model. The permeability of the whole system consisting of fiber preform, compaction, and filter was derived from the individual permeabilities of the fiber preform and particle compaction inside the preform which were based on the Kozeny-Carman equation. Experiments were conducted using 3-D angle interlock woven c

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