Results 301 to 310 of about 3,374,665 (395)

Imaging Insights into Midfoot and Forefoot Disorders. [PDF]

J Korean Soc Radiol
Oh SH, Choi YS, Potter HG.
europepmc   +1 more source

Preparation of Temperature-Activated Nanomaterial-Enhanced Phase Transition Emulsion and Study on Self-Generating Plugging Particles. [PDF]

Nanomaterials (Basel)
Wang J, Bao D, Yang Y, Miao Z, Li M, Qi Y, Wang B, Liang T, Zhang P.   +8 more
europepmc   +1 more source

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Conductivity in fluid-bearing rocks

Journal of Geophysical Research, 1974
The presence of high-conductivity fluids, such as water or partial melt in cracks, pores, and grain boundaries, determines the electrical conductivity of rocks under most conditions in the crust. Archie's law, σ/σ0 = η/r, is usually observed, where the conductivity in the bulk material is σ, that of the fluid is σ0, the porosity is η, and r is usually ...
T. J. Shankland, H. S. Waff
openaire   +2 more sources

Mathematical modeling for nonlinear dynamic mixed friction behaviors of novel coupled bearing lubricated with low-viscosity fluid

The Physics of Fluids, 2022
This paper aims to develop a mathematical model for investigating the nonlinear dynamic mixed friction behaviors, including hydrodynamic, contact, deformation, etc., of the novel coupled bearing lubricated with low-viscosity fluid.
Jianlin Cai, Guo Xiang, Sheng Li, Juan Guo, Jiaxu Wang, Shouan Chen, Tianyou Yang   +6 more
semanticscholar   +1 more source

Active fluid-film bearing with deep Qnetwork agent based control system

Journal of tribology, 2022
Despite the fact that the hydrodynamic lubrication is a self-controlled process, we designed the control systems based on PI controller, adaptive PI controller, and DQN-agent to minimize the friction torque in a conical fluid-film bearing.
Yu. N. Kazakov, A. Kornaev, D. Shutin, Sheng Li, L. Savin   +4 more
semanticscholar   +1 more source

Seismic Constraint on the Fluid‐Bearing Systems Feeding Hakone Volcano, Central Japan

Journal of Geophysical Research: Solid Earth, 2020
Investigating heterogeneous structures beneath active volcanoes is important for better understanding of volcanic activity and improved mitigation of volcanic risk.
Hirokazu Kashiwagi, J. Nakajima, Y. Yukutake, R. Honda, Y. Abe, S. Sakai   +5 more
semanticscholar   +1 more source