Results 201 to 210 of about 2,048 (300)

Influence of edge Notch geometry with and without presence of ice filling on dynamic behavior of rock. [PDF]

Sci Rep
Bolbanabad SM, Sarfarazi V, Monjezi M.
europepmc   +1 more source

Investigation on the failure evolution characteristics of surrounding rock in deep cross‐fault roadway: Based on physical model test and numerical simulation

Deep Underground Science and Engineering, EarlyView.
This study reveals the failure evolution characteristics of deep cross‐fault roadway surrounding rock under excavation support and periodic weighting. Periodic weighting readily induces fault activation, with the spatial distribution of failed rock masses being controlled by the fault strike and dip.
Tiezhu Li, Suping Peng, Jing Zheng, Zhanhua Yang, Qijun Tian   +4 more
wiley   +1 more source

Shaking table model test and numerical analysis of the steeply dipping bedded rock slopes under seismic actions. [PDF]

Sci Rep
Wang C, Zhang P, Dong J, Meng L, Li L, Li M.   +5 more
europepmc   +1 more source

Geochemical Indicators of Organic Matter Combustion Governed by Pyrometamorphism in Columnar-Jointed Carbonate Source Rocks. [PDF]

ACS Omega
Makhlouf I, Ibrahim KM, Aljurf S, Abu-Mahfouz IS.   +3 more
europepmc   +1 more source

Low‐Temperature in Situ Upgrading of Ultra‐Deep Heavy Oil Using Ni–Ce/MOF–OTf Superacid Catalysts to Enhance Energy Utilization and Sustainability

EcoEnergy, EarlyView.
A triflate‐functionalized Ni–Ce/MOF–OTf superacid enables low‐temperature (∼140°C) in situ upgrading of ultra‐deep heavy oil. It reduces viscosity by 92.11% in 12 h, maintains activity over cycles, and delivers 90.25% recovery with a lower carbon footprint by selective bond cleavage. ABSTRACT Ultra‐deep heavy oil is an important unconventional resource,
Li Wang, Ji‐Xiang Guo, Qiming Huang, Kunpeng Li, Chi Li, Yajie Wu   +5 more
wiley   +1 more source

Optimization of borehole diameter to improve rock fragmentation in open-pit limestone mine bench blasting. [PDF]

Sci Rep
Ye H, Yu M, Shi B, Yu Y, Shang F, Dong Y, Lei T, Li N, Wang Q.   +8 more
europepmc   +1 more source

A practical guide to species trend detection with unstructured data using local frequency scaling (Frescalo)

Ecography, EarlyView.
Accurately measuring biodiversity change remains a central challenge in ecology. Beyond the general idea of quantifying temporal species frequency changes, several sampling‐related biases in data collection remain key methodological challenges to consider. Long‐term standardized ecological data are rare, and most available datasets exhibit considerable
Romain Goury, Diana E. Bowler, Colin Harrower, Tamara Münkemüller, Jeanne Vallet, Jon M. Yearsley, Wilfried Thuiller, Oliver L. Pescott   +7 more
wiley   +1 more source

Experimental Study on the Dynamic Properties of Granite with Filled Joints of Different Thicknesses. [PDF]

Materials (Basel)
Wang Z, An J, Xia Y, Si Y.
europepmc   +1 more source

Entropy‐Driven Innovations: Entropy Stabilized Oxides for High‐Performance Next‐Generation Lithium–Sulfur Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This article explores high‐entropy‐stabilized oxides (HEOs) as novel functional materials for addressing critical issues in lithium–sulfur (Li–S) batteries, including lithium polysulfide (LPS) shuttling, inadequate conductivity, and slow redox kinetics.
Hassan Raza, Jialiang Wei, Zhicai Wang, Zhaoyang Lv, Junye Cheng, Jia Xu, Liang An, Yuliang Liu, Sergey Ryazantsev, Shukui Li, Guangping Zheng   +10 more
wiley   +1 more source

Experimental and numerical simulation research on the mechanical properties and failure characteristics of joint limestone under triaxial compression. [PDF]

Sci Rep
Tan X, Du B, Shen M, Li Y, Jiang G, Tang X.   +5 more
europepmc   +1 more source