Results 91 to 100 of about 2,418,377 (304)

Two‐Step Thermal Upcycling of Flexible Printed Circuit Board Waste Into Metallic Copper Nanoparticles: Synthesis and Characterization

Advanced Materials Technologies, EarlyView.
A two‐step thermal upcycling process converts flexible printed circuit board waste into high‐purity copper nanoparticles using polymer degradation and arc discharge. The synthesized nanoparticles exhibit controlled morphology and high metal purity.
Bikesh S. Ghinangju, Rumana Hossain, Veena Sahajwalla   +2 more
wiley   +1 more source

Deformation and Fracture Behavior of Argillaceous Weakly Cemented Rock Under Hydromechanical Interaction: Experimental Study and UDEC-Trigon Simulation

Geofluids
This study investigates innovative methods to address the stability issues of roadways with argillaceous weakly cemented surrounding rock (AWCR) in western China's coal mining regions.
Zhijiang Lun, Zizheng Zhang, Weiguang Zhang, Honglei Wei, Shuaigang Liu   +4 more
doaj   +1 more source

Moisture‐Adaptive Triboelectric Materials and Platforms: Design Strategies, Performance Enhancement, and Applications in Energy Harvesting and Wearable Electronics

Advanced Materials Technologies, EarlyView.
This review summarizes moisture‐adaptive strategies that enable triboelectric nanogenerators (TENGs) to operate across diverse moisture conditions. It examines moisture‐management methods, including exclusion, directional transport, removal, and utilization, with charge‐regulation approaches based on interfacial, dielectric, and structural engineering.
Junzhe Gan, Zhao Sha, Xuehua Zhang, Hoang‐Phuong Phan, Jin Zhang   +4 more
wiley   +1 more source

Comprehensive mining method of group drawing and automated drawing during longwall top coal caving

International Journal of Coal Science & Technology
To address issues such as inefficient top-coal drawing, challenges in simultaneously mining and drawing, and the need for intelligent control in extra-thick coal seams, this study examines the principles of top-coal drawing and explores automation and ...
Weidong Pan, Zhining Zhao, Peng Gao, Xinyuan Li, Kunming Zhang, Cang Deng, Suyu Liang   +6 more
doaj   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Polymetallic nodule mining: innovative concepts for commercialisation

, 2012
Seabed resources of value to the modern economy include oil and gas reserves, placerdeposits including diamonds and gold, and minerals found in the form of Seafloor MassiveSulfides, Sediments, Crusts and Polymetallic (Manganese) Nodules.A review of the ...
Lee, Sang Eui, Zabeen, Suraiya, Wang, Shiping, Virnovskaia, Anastasia, Flentje, Warren   +4 more
core   +1 more source

Improving recovery in sublevel top coal caving mining by using partially reverse drawing technique

International Journal of Mining Science and Technology
The sublevel top coal caving (SLTCC) mining technology is extensively employed in steeply inclined thick coal seams. Because of the typical characteristics of the short coal face in this mining method, a significant portion of the top coal is lost at the
Jinwang Zhang, Dongliang Cheng, Jiachen Wang, Shengli Yang, Xiaohang Wan, Xinyang Li   +5 more
doaj   +1 more source

Degradable Magnetic Composites from Recycled NdFeB Magnets for Soft Actuation and Sensing

Advanced Robotics Research, EarlyView.
This work presents a degradable soft magnetic composite made from recycled NdFeB particles embedded in a gelatin‐based organogel. The material is processed into magnetic sensors and soft robotic components, which can later be dissolved in a green solvent to recover NdFeB magnetic particles.
Muhammad Bilal Khan, Lin Guo, Kilian Schäfer, Eduardo Sergio Oliveros‐Mata, Xiaotao Wang, Florian Hofmann, Matthias Lutzi, Mark Suppelt, Proloy Taran Das, Jan Schmidtpeter, Imants Dirba, Stephan Rinderknecht, Mario Kupnik, Denys Makarov, Oliver Gutfleisch   +14 more
wiley   +1 more source

Auditory–Tactile Congruence for Synthesis of Adaptive Pain Expressions in RoboPatients

Advanced Robotics Research, EarlyView.
In this work, we explore auditory–tactile congruence for synthesizing adaptive vocal pain expressions in robopatients. Using a robopatient platform that integrates vocal pain sounds with palpation forces, we conducted 7680 trials across 20 participants.
Saitarun Nadipineni, Chapa Sirithunge, Yue Xie, Fumiya Iida, Thilina Dulantha Lalitharatne   +4 more
wiley   +1 more source

Green coal mining technique integrating mining-dressing-gas draining-backfilling-mining

, 2016
Aiming to address the following major engineering issues faced by the Pingdingshan No. 12 mine: (1) difficulty in implementing auxiliary lifting because of its depth (i.e., beyond 1000m); (2) highly gassy main coal seam with low permeability; (3 ...
X. Miao (13801663), Q. Zhang (1740952), S. Guo (4877908), J. Zhang (526367), Sam Spearing (23305612), Q. Sun (1373196)   +5 more
core