Results 181 to 190 of about 594,581 (335)

Motion planning and control of an installation robot for attitude adjustment of arc parts in underground shield tunneling

Deep Underground Science and Engineering, EarlyView.
Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao, Guofei Xiang, Liang Liao, Lai Wei, Hongli Wang, Songyi Dian   +5 more
wiley   +1 more source

Cranial trephination and infectious disease in the Eastern Mediterranean: The evidence from two elite brothers from Late Bronze Megiddo, Israel. [PDF]

PLoS One, 2023
Kalisher R, Cradic MS, Adams MJ, Martin MAS, Finkelstein I.   +4 more
europepmc   +1 more source

In Search of Hidden Chambers at Newgrange Passage Tomb

, 2011
Kevin Barton, Roman Pašteka, Palo Zahorec, Juraj Papčo and Conor Brady describe the first use of microgravity on a passage tomb in ...
Barton, Kevin, Pašteka, Roman, Zahorec, Pavel, Papčo, Juraj, Brady, Conor   +4 more
openaire   +1 more source

Analytical stress solution framework for lined compressed air energy storage chambers and its application to safe burial depth determination and supporting effectiveness evaluation

Deep Underground Science and Engineering, EarlyView.
An analytical framework delivers a closed‐form stress solution for lined compressed air energy storage chambers, enabling the determination of the minimum safe burial depth. The solution quantitatively evaluates lining support effectiveness, offering a reliable tool for chamber design and optimization.
Zeyuan Sun, Cheng Zhao, Jinquan Xing, Qinyuan Luo   +3 more
wiley   +1 more source

Novel archaeological and palaeontological findings in cave and palaeoriver landscapes of inland northeast Arabia. [PDF]

PLoS One
Groucutt HS, Stewart M, Al-Jibreen F, Al-Qahtani M, Al-Shanti M, Andrieux E, Blinkhorn J, Boivin N, Breeze PS, Drake N, Memesh A, Mufarreh Y, Price G, Scerri EML, Vanwezer N, Vonhof H, Zalmout I, Alsharekh AM, Petraglia MD.   +18 more
europepmc   +1 more source

King Muryeong's Tomb and Corridor-Style Chamber Tombs in East Asia

The Journal of Paekche Culture, 2012
openaire   +1 more source

Embryonic cerebrospinal fluid pressure in fetal mice in utero: External factors pressurize the intraventricular space

Developmental Dynamics, EarlyView.
Abstract Background Previous experiments inducing leakage of embryonic cerebrospinal fluid (CSF) suggest the necessity of intraventricular CSF pressure (PCSF) for brain morphogenesis. Nevertheless, how embryonic PCSF occurs is unclear, especially in utero. Results Using a Landis water manometer, we measured PCSF in fetal mice isolated from the amniotic
Koichiro Tsujikawa, Reina Muramatsu, Takaki Miyata   +2 more
wiley   +1 more source

An Ultra‐Low‐Power and High‐Temperature‐Homogeneity Wafer‐Scale Infrared Source

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A wafer‐scale MEMS infrared source with an Al@nanoforest radiation layer achieves high emissivity and temperature homogeneity at low power, enabling efficient CO2 detection for smart agriculture. Non‐dispersive infrared gas sensors, renowned for their high selectivity and high reliability, are extensively employed in applications of smart agriculture ...
Qirui Zhang, Shuxin Chen, Meng Shi, Xin Liu, Hanhui Li, Ruitao Tao, Yu Liu, Na Zhou, Wenwu Li, Haiyang Mao   +9 more
wiley   +1 more source

Effect of In Situ Polymerization of Super Absorbent Polymers on the Protection of Earthen Heritage Sites in Semi-Arid Regions. [PDF]

Materials (Basel)
Zheng Y, Liu S, Zhang Y, Du Z, Li M, Luo H, Zhu J.   +6 more
europepmc   +1 more source

The Gas‐Liquid Separation Characteristics Inside a Drainage Self‐Priming Pump Under Different Discharge Valve Openings

Energy Science &Engineering, EarlyView.
To investigate the influence of discharge valve opening on the self‐priming characteristics of a self‐priming pump, numerical calculations are conducted for four different discharge valve openings based on a circulation piping system. The hydraulic performance and the internal flow characteristics during self‐priming process are obtained.
Yu‐Liang Zhang, Hui‐Fan Huang, Jin‐Fu Li, Xiao‐Mei Guo   +3 more
wiley   +1 more source