Results 191 to 200 of about 5,798 (299)

An analytical model for quantitative evaluation of friction drag in directional sliding drilling. [PDF]

Sci Rep
Ma Z, Zhang H, Hu H, Li G, Tian S, Zhang Y, Wang T.   +6 more
europepmc   +1 more source

Seismic analysis and design of tunnels within fault ground: A review

Deep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang, Yujing Jiang, Xuepeng Zhang, Yuyong Jiao, Ningbo Li, Xiao Wang, Bo Li   +6 more
wiley   +1 more source

Bioinspired Drilling for Extraterrestrial Applications. [PDF]

Biomimetics (Basel)
Battsengel GE, Melkoumian N, Harvey D, Akmeliawati R.   +3 more
europepmc   +1 more source

Cobalt‐Free Single‐Crystal Cathodes for Next‐Generation Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Cobalt‐free single‐crystal cathodes enhance lithium‐ion battery stability by mitigating fracture, degradation, and phase transitions. This review highlights Ni‐rich layered, Li‐Mn‐rich, spinel, and olivine frameworks, synthesis strategies enabling morphology and defect control, and structural tuning via doping and coatings, offering pathways toward ...
Srinivasan Alagar, Rakesh Saroha, Jun Kim, Hyung Do Kim, Jung Sang Cho, Sang Mun Jeong   +5 more
wiley   +1 more source

Air leakage characteristics and comprehensive prevention of goaf side retained roadway of fully mechanized mining faces in Qincheng coal mine. [PDF]

Sci Rep
Luo X, Chen L, Wu B, Sun M, Yang T, Yu H.   +5 more
europepmc   +1 more source

Dynamic Covalent Chemistry Enables Self‐Healing and Compatibilization in Polypropylene Composites

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance polypropylene insulation material is created through dynamic covalent crosslinking. It achieves exceptional dielectric properties, autonomous self‐healing, and easy recycling, offering a sustainable solution for future HVDC transmission systems.
Hongzhe Zhang, Wenye Zhang, Wenjie Huang, Jun‐Wei Zha   +3 more
wiley   +1 more source

Computer Vision for Autonomous Drill Jumbos: Detecting Non-Drillable Areas of a Mine Face. [PDF]

Sensors (Basel)
Rösgen M, Pekarski A, Ziegler M, Clausen E.   +3 more
europepmc   +1 more source

Thermochromic Radiative Cooling Coatings with Robust Superhydrophobicity for Energy‐Efficient Buildings

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A scalable, color‐adaptive radiative cooling coating is developed to enable dynamic spectral regulation via a reversible thermochromic transition at ~45 °C and a high solar reflectance of 91.7%. The coating achieves 4.44 °C outdoor sub‐ambient cooling while providing robust superhydrophobicity and environmental durability through its micro/nano ...
Ziqi Li, Akbar Bashir, Chak‐Yin Tang, Gary Chi‐Pong Tsui, Yan Chen, Jie Cui, Xing Ouyang, Chen Liu, Dazhu Chen   +8 more
wiley   +1 more source

Accuracy of Guided Drilling, Partially Guided Trephination, and Fully Guided Trephination Within a Static Surgical Guide for Apicoectomy in Hard Bone: An In Vitro Study. [PDF]

Dent J (Basel)
Alzaabi FJH, Nagy E, Gryschka DG, Shetty SR, Elsewify T, Braunitzer G, El-Damanhoury HM, Antal MA.   +7 more
europepmc   +1 more source

The Dimensional Revolution of Phosphorus: From Allotropicity to Battery System Applications

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Phosphorus‐based materials are promising high‐capacity anodes classified by dimension (0D–3D) to systematically explore their properties and composite strategies. When combined with materials such as carbon to form heterostructures, the electrical conductivity and stability are effectively enhanced.
Shuhan Zhang, Zhiyuan Zhang, Ziying Pan, Kaixuan Hu, Yameng Yin, Yapan Wu, Caihong Yang, Lei Zheng, Dongsheng Li   +8 more
wiley   +1 more source