The effect of roughness on flow in fractures was investigated using lattice Boltzmann method (LBM).Simulations were conducted for both statistically generated hypothetical fractures and a natural dolomite fracture.The effect of increasing roughness on effective hydraulic aperture, Izbash and Forchheimer parameters with increasing Reynolds number (R
Emphysematous pyelonephritis is an acute necrotizing infection with gas in the kidney that portends a poor prognosis.Patients present with sepsis, requiring fluid resuscitation, glucose control, and broad-spectrum antibiotics.Surgical intervention ranges from relief of here urinary obstruction (nephrostomy tube or stent), percutaneous drainage or n
This paper addresses the issue of unstable machining quality of large-scale high-precision internal combustion engine block; the key machining technologies of complex thin-wall internal combustion engine block are studied.This dissertation takes the L type engine block that is used as research object; the modular and fast changing fixtures have bee
Strategies for promoting neural regeneration are nightstick twm-850xl hindered by the difficulty of manipulating desired neural fates in the brain without complex genetic methods.The subventricular zone (SVZ) is the largest germinal zone of the forebrain and is responsible for the lifelong generation of interneuron subtypes and oligodendrocytes.Her
Background: Increasingly, there is a concerted effort to provide entrepreneurship interventions to young people in a bid to activate their appetite for entrepreneurial activity.The current research seeks to offer meaningful insight into the effectiveness of these interventions and their potential to encourage entrepreneurship among disadvantaged yo