Results 81 to 90 of about 24,817,127 (318)

Analytic Study of Grid Star and Reference Star Selection for the Space Interferometry Mission [PDF]

, 2001
Grid stars and reference stars provide the fundamental global and local astrometric reference frames for observations by the Space Interferometry Mission. They must therefore be astrometrically stable at the ~1 uas level.
Gould, Andrew
core   +3 more sources

The Enhanced Whey Protein Oral Bioavailability and Muscle Anabolism Ability by a Simple and Effective Piperine‐Whey Protein Synergistic Codelivery System

Advanced Science, EarlyView.
WP(Pip) is a mixture of whey protein and piperine‐loaded nanoemulsion stabilized by WP through microfluidic homogenization. Acting as a “smart key,” piperine opens epithelial tight junctions to enhance absorption of whey protein and, thereby increasing circulating amino acid availability, synergistically up‐regulates the mTOR signaling pathway in ...
Qing Yue, Kaiwen Wu, Bing Wei, Guiling Song, Congyu Sun, Xing Li, Xiangyu Liu, Zhaoxiang Ma, Mingchun Lv, Jasper Landman, Yuan Li   +10 more
wiley   +1 more source

Robust Adaptive Synchronization of a Class of Uncertain Chaotic Systems with Unknown Time-Delay

Applied Sciences, 2020
In this paper, a robust adaptive control strategy is proposed to synchronize a class of uncertain chaotic systems with unknown time delays. Using Lyapunov theory and Lipschitz conditions in chaotic systems, the necessary adaptation rules for estimating ...
Assef Zare, Seyede Zeynab Mirrezapour, Majid Hallaji, Afshin Shoeibi, Mahboobeh Jafari, Navid Ghassemi, Roohallah Alizadehsani, Amir Mosavi   +7 more
doaj   +1 more source

A new approach to quantify angles and time of changes-of-direction during soccer matches.

PLoS ONE, 2021
Background and aimsSoccer players frequently perform change-of-directions (CODs) at various speeds during matches. However, tracking systems have shown limitations to measure these efforts.
Tomohiro Kai, Shin Hirai, Yuhei Anbe, Yohei Takai   +3 more
doaj   +1 more source

Independent analysis of the orbits of Pioneer 10 and 11

, 2009
Independently developed orbit determination software is used to analyze the orbits of Pioneer 10 and 11 using Doppler data. The analysis takes into account the gravitational fields of the Sun and planets using the latest JPL ephemerides, accurate station
Anderson J. D., Ho C., Montenbruck O., Moyer T. D., Mudgway D. J., Press W. H., Scheffer L. K., Sovers O. J., VIKTOR T. TOTH   +8 more
core   +2 more sources

Multi‐Omics Insights Into the Mechanisms of Early Muscle Fiber Difference and Transformation Between Lean‐Type and Chinese Indigenous Pigs

Advanced Science, EarlyView.
Multi‐omics analyses uncover breed‐specific cis‐regulatory landscapes and higher‐order chromatin architectural differences that underlie early postnatal muscle fiber divergence in pigs. A super‐enhancer upstream of PPP3CB recruits MEF2C to activate PPP3CB transcription, while the PPP3CB–MEF2C positive feedback loop promotes oxidative muscle fiber ...
Shuailong Zheng, Hainan Wu, Min Liu, Kunpeng Wu, Shuntao Huang, Zulfiqar Ahmed, Lenox Pius, Mengjin Zhu, Dequan Xu   +8 more
wiley   +1 more source

Mechanosensitive Piezo1/Osteocalcin/Irisin Axis Protects Against Disuse‐Induced Muscle Atrophy

Advanced Science, EarlyView.
Mechanical unloading suppresses bone Piezo1 expression, which reduces circulating undercarboxylated osteocalcin (unOCN). unOCN reduction subsequently exacerbates IMM‐induced Fndc5/Irisin decrease and drives severe muscle atrophy. Bone Piezo1 activation or exogenous osteocalcin/Irisin ameliorate muscle atrophy, while muscle‐specific Gprc6a or Fndc5 ...
Zhaolu Wang, Xiuying Jiang, Xi Sun, Hao Chen, Jianjun Jin, Xin'e Shi   +5 more
wiley   +1 more source

Pattern Generation for Walking on Slippery Terrains

, 2017
In this paper, we extend state of the art Model Predictive Control (MPC) approaches to generate safe bipedal walking on slippery surfaces. In this setting, we formulate walking as a trade off between realizing a desired walking velocity and preserving ...
Herzog, Alexander, Khadiv, Majid, Moosavian, S. Ali A., Righetti, Ludovic   +3 more
core   +1 more source

Evaluation of Experienced Manipulation Characteristics in Robotic Surgery Using Log Data From the Hinotori Surgical System

Annals of Gastroenterological Surgery, EarlyView.
This study analyzed log data from the Japanese hinotori surgical robot to characterize manipulation performed by experienced surgeons in robotic surgery. Compared with less‐experienced surgeons, the experienced group demonstrated shorter task durations, reduced travel distances with the right instrument (Arm3), faster and more dynamically modulated ...
Masaki Saito, Shunsuke Hayakawa, Hiroyuki Sagawa, Tamiaki Kondo, Masanao Ohashi, Sunao Ito, Reo Sato, Hajime Ushigome, Kenta Saito, Ryo Ogawa, Hiroki Takahashi, Shuji Takiguchi   +11 more
wiley   +1 more source

Approximate Analytical Solutions of Nonlinear Jerk Equations Using the Parameter Expansion Method

Computation
The Parameter Expansion Method (PEM) is employed to study nonlinear Jerk equations, which are often difficult to solve because of their strong nonlinearity.
Gamal M. Ismail, Galal M. Moatimid, Stylianos V. Kontomaris   +2 more
doaj   +1 more source