نتایج جستجو برای: rock characteristic
تعداد نتایج: 213091 فیلتر نتایج به سال:
No prior research has documented the different types of rock coatings in Yosemite Valley, despite the evident black streaks down Yosemite Falls, the light granitic rock exposed by recent rock falls contrasting with dark rock coatings, and the millions of visitors who have photographed the coated rocks of Yosemite. This paper identifies the types of rock coatings found on Half Dome, in Yosemite ...
Introduction: We have completed analysis of a new near-field rock count at the Mars Pathfinder landing site and determined that the previously published [1,2] rock count suggesting 16 % cumulative fractional area (CFA) covered by rocks is incorrect. The earlier value is not so much wrong (our new CFA is 20%), as right for the wrong reason: both the old and the new CFA’s are consistent with remo...
Brittleness is an essential parameter to determine the deformation and failure behavior of rocks, it useful quantify brittleness rocks in numerus engineering practices. A novel energy-based evaluation index proposed this study, which redefines dissipated proportion ultimate elastic strain energy relative post-peak residual energy. series conventional triaxial compression (CTC) tests were perfor...
The Maksan granitoid is located in the south margin of Lut block, and southeastern Iran. It composed of granite, granodiorite, monzodiorite, quartz monzodiorite, diorite and gabbro. Compostions of biotite from different rock types of Maksan granitoid, i. e., granite, granodiorite, monzodiorite (Quartz monzodiorite), diorite and gabbro in SE of Iran have been documented by electron microprobe. B...
In prion diseases, synapse dysfunction, axon retraction and loss of neuronal polarity precede neuronal death. The mechanisms driving such polarization defects, however, remain unclear. Here, we examined the contribution of RhoA-associated coiled-coil containing kinases (ROCK), key players in neuritogenesis, to prion diseases. We found that overactivation of ROCK signaling occurred in neuronal s...
1 Department of Endocrinology and Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, USA, 2 GIM Foundation, Little Rock, AR, USA, 3 Department of Internal Medicine and Hospital Medicine, Christus Trinity Mother Frances Hospital, Tyler, TX, USA, 4 Department of Policy, University of Arkansas for Little Rock, Little Rock, AR, USA, 5 Tutwiler Clinic, Tutwiler, MS, USA...
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