نتایج جستجو برای: wall rock
تعداد نتایج: 207244 فیلتر نتایج به سال:
In continental arcs the extension of geothermal gradients derived from shallow crustal levels to depth predicts widespread melting at pressures that are inconsistent with seismic studies. Numerical models of low-pressure metamorphism in continental arcs suggest that these extrapolations are problematic because magmatic advection is the dominant mechanism of heat transport in these terranes rath...
Original scientific paper Rock burst is a common serious geological hazard in underground engineering, which seriously affects the progress of projects. The mechanism of rock burst can be explained by the distribution law of rock fragments and its fractal characteristics. A simulation experiment of rock burst was conducted with the granite samples under a biaxial loading machine system to analy...
based on volume-averaging concepts, liquid migration along subvertical fractures typically is predicted to be Field and laboratory tracer experiments were conducted to investisubject to strong matrix imbibition into the partially satugate the extent of tracer imbibition and penetration into unsaturated, fractured rock matrix at Yucca Mountain, Nevada. Field experiments rated rock (e.g., Wang an...
Based on existing construction practices, and the difficulty of sourcing rock armor materials in Philippines, an alternative to conventional rubble mound breakwaters was considered for a beach resort development Cebu, Philippines. A tangent bored pile wall, consisting circular piles placed diametrically along specified alignment, analyzed designed as breakwater. It relies embedment depth soil f...
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...
Water jet technology is an effective measure by which to improve the efficiency of deep coalbed methane mining. Nevertheless, effect a water impinging on coal rock remains unclear. In this study, numerical simulation used analyze impingement drill test block, after experimental verification carried out. Next, basis that method feasible, influence factors in hole are analyzed. It concluded phase...
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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