Results 151 to 160 of about 70,940 (309)

Determination of the state of stress at the Stripa Mine, Sweden

, 1982
The state of stress at the Stripa Mine has been measured both in a 381-m-deep hole drilled from the surface and in holes drilled from the drifts underground.
Hustrulid, W.A.,, Leijon, Bengt,, Doe, T.W.,, Strindell, L.,, Ingvald, K.,   +4 more
core  

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

Advanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen, Patryk Wąsik, Juan Fernando Cucuyame Morales, Marie Kate Palau, Adrian Francisco Duran Ornelas, Phani Saketh Dasika, Jin Hee Kim, Radhika Laxminarayana, Eric Hintsala, Greta Chang, Junzhi Liao, Lizhi Sun, Nathan Lord, Atsushi Arakaki, Paul Bardunias, Pablo Zavattieri, David Kisailus   +16 more
wiley   +1 more source

Balancing Hydrophobicity and Hydrophilicity: Dual Filler‐Engineered Proton Exchange Membranes for Durable, High‐Power Fuel Cells

Advanced Functional Materials, EarlyView.
Polarity‐matched Zr–MOFs program Nafion's nanoscale morphology during solution casting. Hydrophilic UiO‐66 preserves hydrated pathways, while hydrophobic UiO‐67 increases the proton hopping sites by densifying ionic clusters. Combining both fillers yields a membrane that delivers 176 mS cm−1 conductivity, reaches 1.46 W cm−2 under 200 kPa, and triples ...
Yonghwi Cho, Yunseong Ji, Minkyu Choi, Junsu Kim, Yejin Kim, Su Jeong Lee, Wooyoung Choi, Choong Hoo Lee, Ju Yeon Kim, Ohchan Kwon, Hanim Kim, Du Yeol Ryu, Ki Chul Kim, Dae Woo Kim   +13 more
wiley   +1 more source

An Explanation for the Intermittent Crack Tip Advancement and Pressure Fluctuations in Hydraulic Fracturing

, 2016
We recall physical evidence coming from field data for intermittent fracture advancement and pressure fluctuations in case of hydraulic fracturing. We then simulate this behavior at mesoscopic level on a heterogeneous sample of saturated rock taking into
SECCHI, STEFANO, PESAVENTO, FRANCESCO, MILANESE, ENRICO, RIZZATO, PAOLO, Schrefler, B. A.   +4 more
core  

Editorial for the Special Issue "Advances and Applications of Polymer Gels for Subsurface Energy and Storage". [PDF]

Gels
Bai B, Pu J.
europepmc   +1 more source

Mechanical Programming of PEGDA‐β‐CD Polyrotaxane‐Based Hydrogels via Host–Guest Molecular Recognition

Advanced Functional Materials, EarlyView.
A mechanically programmable hydrogel for tissue engineering is developed by modulating the molecular threading density of poly(ethylene glycol) diacrylate‐β‐cyclodextrin (PEGDA‐β‐CD) polyrotaxane and combining it with β‐CD‐modified gelatin. The polyrotaxane‐guided transition from disordered pores to laminar microstructures enables precise tuning ...
Shiyi Chen, Xudan Xing, Haopu Su, Dominik Voll, Xiaohe Xu, Jiafeng Wan, Tongtong Cui, Christian W. Schmitt, Stefan Bräse, Peng Li, Patrick Théato   +10 more
wiley   +1 more source

Preparation and Performance of Multifunctional Self-Aggregating Modified Quartz Sand Proppant for Coalbed Methane Channel Fracturing. [PDF]

Materials (Basel)
Wang B, Chen M, Lin H, Liang Z, Ma Y, Yang Y, Chen R, Pu X.   +7 more
europepmc   +1 more source

Mechanistic Insights into CO2/CH4 Competitive Adsorption in Coal for Enhanced Methane Recovery and Carbon Sequestration

ACS Omega
Yifan Liu, Ziqi Shen, Yunzhong Jia, Juan Zhang, Caiyun Xiao, Xiao Sun   +5 more
doaj   +1 more source

Bone‐Inspired Recyclable Composites for Damage‐Tolerant Circular Materials

Advanced Functional Materials, EarlyView.
Bone‐inspired architected composites are developed by combining osteon‐like reinforcements with a recyclable Elium thermoplastic matrix. The hierarchical architecture redirects cracks and promotes energy dissipation, while enabling recovery of intact, aligned, load‐bearing reinforcement units that retain their original stiffness, revealing a route ...
Alessandro Stagni, Nastaran Bahrami Novin, Luigi Benvenuto, Enrico Lertora, Flavia Libonati   +4 more
wiley   +1 more source

Gas Invasion Patterns in Saturated Marine Sediments. [PDF]

Energy Fuels
Wang P, Wang L, Zhu B, Dai SC.
europepmc   +1 more source