Reliability of an Observational Biomechanical Analysis Tool in Adolescent Baseball Pitchers by Steven F DeFroda, Dai Sugimoto, Steven J Staffa, Donald S Bae, Ellen Shanley, Charles A Thigpen, Peter K Kriz

“… # Methods Adolescent baseball pitchers underwent analysis using 2D video in indoor settings. Observational mechanics were collected using a 20-item scoring tool (ACES) based on 2D video analysis. …”
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ALMA Observations of Solar Spicules in a Polar Coronal Hole by T. S. Bastian, C. Alissandrakis, A. Nindos, M. Shimojo, S. M. White

“…We report observations of solar spicules at millimeter wavelengths (mm- λ ) using the Atacama Large Millimeter/submillimeter Array (ALMA). …”
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Robust Observer Design for Switched Positive Linear System with Uncertainties by Yanke Zhong, Tefang Chen

“…This paper is concerned with the design of a robust observer for the switched positive linear system with uncertainties. …”
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Using iNaturalist to Contribute Your Nature Observations to Science by Matthew Earl Boone, Mathieu Basille

“…Citizens can submit pictures of biological observations to an online data base to be reviewed by the rich online community and used for important biodiversity research around the world. …”
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Least Squares Estimation for α-Fractional Bridge with Discrete Observations by Guangjun Shen, Xiuwei Yin

“…Assume that the process is observed at discrete time ti=iΔn,  i=0,…,n, and Tn=nΔn denotes the length of the “observation window.” …”
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Using iNaturalist to Contribute Your Nature Observations to Science by Matthew Earl Boone, Mathieu Basille

“…Citizens can submit pictures of biological observations to an online data base to be reviewed by the rich online community and used for important biodiversity research around the world. …”
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Relational Teaching Behaviours in the Large University Class: An Observational Study by Simon G. Beaudry, Jenepher Lennox Terrion, Meredith Rocchi, Michelle Bartleman

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MODELLING AND OPTIMIZATION DESIGN FRAMEWORK AND LAYOUT MICROSATELLITE EARTH OBSERVING by M. A. Starasotnikau, R. V. Feodortsau

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Observations on Harmonics Summation in Transmission Systems: Alternative Aggregation Estimation by Rafael S. Salles, Maise N. S. Silva, Paulo F. Ribeiro

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Primary Thyroid Disorders in Patients with Endogenous Hypercortisolism: An Observational Study by Eda Demir Onal, Muhammed Sacikara, Fatma Saglam, Reyhan Ersoy, Bekir Cakir

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Annual Observations of Climatic Impacts in the Songhua River Basin, China by Xiaocheng Song, Liu Jing

“…In this study, based on annual observation data from the Songhua River Basin (Harbin, China), a regression and a stochastic model were used to analyze the relationship of the atmosphere-river daily maximum temperatures and evaluate the heat fluxes. …”
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An Update to the Central England Temperature Series—HadCET v2.1 by Tim Legg, Stephen Packman, Thomas Caton Harrison, Mark McCarthy

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Policy relevant crop diversity monitoring based on earth observation and farmers’ declarations by Marijn van der Velde, Martin Claverie, Raphaël d’Andrimont, Melissande Machefer, Simona Bosco, Rui Catarino, Frank Dentener, Vincenzo Angilieri

“…Comprehensive, wall-to-wall, evaluation of cropping systems and therefore crop diversity using Earth Observation (EO) data is becoming reality. Agricultural policies such as the Common Agricultural Policy (CAP) in the European Union (EU) stimulate more diverse crop-mixes. …”
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Impossibility Results for Byzantine-Tolerant State Observation, Synchronization, and Graph Computation Problems by Ajay D. Kshemkalyani, Anshuman Misra

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A Robust k-Means Clustering Algorithm Based on Observation Point Mechanism by Xiaoliang Zhang, Yulin He, Yi Jin, Honglian Qin, Muhammad Azhar, Joshua Zhexue Huang

“…In this paper, we propose a robust two-stage k-means clustering algorithm based on the observation point mechanism, which can accurately discover the cluster centers without the disturbance of outliers. …”
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Observation of Body‐Centered‐Cubic Cu Nanocluster with Partial Cu(0) Character by Pu Gao, Jing Du, Weijie Hong, Mingzai Wu, Yan Feng, Yanjun Ding, Manzhou Zhu

“…Herein, a Cu(0)‐containing Cu NC is first reported to contain a metallic framework of 23 Cu atoms with a body‐centered‐cubic Cu@Cu8 core, stabilized by 6 triphenylphosphine (TPP) and 18 4‐methylbenzenethiolate ligands, as determined by single‐crystal X‐ray crystallography. The observed structure stands in stark contrast to the FCC and other structures reported for Cu NCs. …”
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Mirizzi Syndrome with Cholecystobiliary Fistula: Observation of Development from Asymptomatic Cholecystolithiasis to Surgery by Hiroyuki Sugo, Yuuki Sekine, Naoki Iwanaga, Shigefumi Neshime, Michio Machida

“…We report an extremely rare case of Mirizzi syndrome in which it was possible to observe the process of development of cholecystobiliary fistula from asymptomatic cholecystolithiasis until unavoidable surgical intervention 4 years later. …”
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Esophageal Lichen Planus as a Cause of Dysphagia: Literature Review and Clinical Observation by A. I. Dolgushina, E. R. Olevskaya, A. O. Khikhlova, A. A. Saenko, S. U. Belousov

“…Recommendations for the treatment of ELP are limited to the results of a series of clinical observations and include the prescription of systemic corticosteroids. …”
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Collaborative communication-based ocean observation research with heterogeneous unmanned surface vessels by Zhen Kang, Zhen Kang, Miao Gao, Miao Gao, Zihao Liao, Anmin Zhang, Anmin Zhang

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Observation of a Class of Disturbance in Time Series Expansion for Fractional Order Systems by Yiheng Wei, Hamid Reza Karimi, Jinwen Pan, Qing Gao, Yong Wang

“…This paper is concerned with the problem of designing disturbance observer for fractional order systems, of which the disturbance is in time series expansion. …”
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