Results 121 to 130 of about 12,867 (296)
Sensitivity Analysis of Main Formation Parameters in Electric Pulse Rock-Breaking
Shiyou jixieThe hardness and wear resistance of rocks severely limit the efficient exploitation of deep and ultra-deep oil and gas resources, while electric pulse rock-breaking technology has unique advantages in breaking hard rocks.To investigate the influence of ...
Cheng Jin +4 more
doaj
American Journal of Botany, EarlyView.Abstract Premise We examined the African arid corridor (AAC) disjunction pattern of vascular plants between northeastern and southwestern Africa in the context of geological and climatic events since the late Miocene. We developed a phylogenetic and biogeographical framework for the arid‐adapted genus Sesamothamnus (Pedaliaceae), a classic example of ...
John G. Zaborsky +6 more
wiley +1 more source
American Journal of Community Psychology, EarlyView.Abstract If sexual assault survivors report the assault to the criminal legal system, they often need informal support from family and friends throughout the long and frequently retraumatizing process of investigation and prosecution. This study is part of a long‐term community‐based participatory action research project in a predominately Black ...
Rebecca Campbell +4 more
wiley +1 more source
Confessions of a Poverty Researcher: My Journey Through the Foothills of Scholarship
Australian Journal of Social Issues, EarlyView.ABSTRACT This paper describes the key events, experiences and ideas that influenced the author's career as a poverty researcher. He describes how his early disillusion with economics was replaced by a spark of interest in social issues and how his migration from the UK to Australia in the mid‐1970s provided the impetus to begin what became a lifetime ...
Peter Saunders
wiley +1 more source
Simulation Study on Compound Percussion Frequency Matching Characteristics
Shiyou jixie, 2019 There are many researches on the traditional axial impact rock breaking and torsional impact rock breaking mechanism. But researches on the rock breaking mechanism of compound percussion drilling are few and are still in infancy state.
Li Yumei +4 more
doaj
Australian Journal of Social Issues, EarlyView.ABSTRACT Little is known about the impacts of the disclosure, or the non‐disclosure, of medical conditions associated with neurodiversity in the context of court proceedings and hearings before tribunals and commissions. This paper examines the experiences of twenty‐three Queensland Judges, Magistrates, and Tribunal and Commission Members with ...
Danielle Bozin +5 more
wiley +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT A thermosetting in situ curing resin microsphere system has been developed. It has controllable phase transition time and particle size. This system addresses the current challenges of low strength, shear susceptibility, and short phase transition time in polymer microsphere blockers and thermoplastic particle blockers.
Baolei Jiao +5 more
wiley +1 more source
Energy Science & EngineeringStepped cyclic electro‐hydraulic shockwave drilling technology (S‐EHSD) utilizes cyclic alternating shockwave loads to break rocks more quickly. In recent years, S‐EHSD is considered a potential new technology that can effectively improve the drilling ...
Hongwei Yang +7 more
doaj +1 more source
Preliminary results of penetrator field test program, Tonopah, Nevada, 16-28 April 1979 [PDF]
Subscale (0.63 scale) penetrators impacted various sizes of volcanic rocks resting on and within compacted plays sediments. All penetrators were identical in size, shape, weight, and impact velocity.
Blanchard, M. B. +4 more
core +1 more source