Results 11 to 20 of about 30,394 (314)
Dynamic Response of Twin Circular Unlined Tunnels Subjected to Blasting P Waves
The dynamic response of twin circular unlined tunnels is studied by indirect boundary integral equation method (IBIEM). The twin tunnels are assumed to lie in an unbounded elastic space subjected to blasting P waves.
Shiwei Lu +11 more
doaj +1 more source
Effect of Perchlorate on Combustion Properties of Directly-Written Al/PVDF Composites
Metastable intermolecular composites (MICs) based on Al/PVDF have become one of the most important materials in the field of additive manufacturing of energetic materials due to their high energy density and designability.
Jingwei Li +5 more
doaj +1 more source
Improvment of safety conditions of unstable rock slopes through the use of explosives [PDF]
The paper discusses operations aimed at creating a safer natural or man made rock slope by artificially inducing the displacement of unstable elements by blasting.
M. Casale +8 more
core +1 more source
Blasts injuries are responsible for about two-thirds of the conventional combat injuries during any military operation and account for a sizeable number during terrorist activities. The pathophysiology, clinical presentation and urgency of management vary significantly in primary blast injuries.
openaire +3 more sources
The rapid heat loss and corrosion of nano-aluminum limits the energy performance of metastable intermolecular composites (MICs) in aquatic conditions. In this work, superhydrophobic n-Al/PVDF films were fabricated by the cryogel-templated method.
Jingwei Li +5 more
doaj +1 more source
Research on Blasting Technology in Large Cross Section Roadway Heading in Hard Rock at Depth
According to the high hardness rock in Xinji 2nd Mine, the problem of low utilization of blasthole, an undesirable effect of blasting, and low circulating footage in the roadway construction has arisen.
Hu, Kunlun; Anhui University of Science & Technology +3 more
core +1 more source
Effect of surface finishing such as sand-blasting and CrAlN hard coatings on the cutting edge’s peeling tools’ wear resistance [PDF]
The authors would like to thank IonBond (Chassieu-France) who made the sand-blasting treatments and the Regional Council of Burgundy and CTBA (Wood and Furniture Technical Centre) for their financial support.The aim of this study is first to define the ...
NOUVEAU, Corinne +9 more
core +1 more source
August 4, 2020, at 6:07 pm, I was sitting down, unwinding with my family, when the floor of our apartment began to shake. I knew the drill. As an emergency physician who had relocated to Beirut a decade ago, I had been through it countless times.
openaire +2 more sources
Composition and Characteristics of Rock Vibration Generated in Blasting Excavation of Deep Tunnels
During blasting excavation in deep rock masses, the in situ stress initially exerted on blast-created free surfaces is rapidly released along with rock cracking by blasting.
Jianhua Yang +10 more
doaj +1 more source
IntroductionDue to the small size of citrus stems, their color similarity to the background, and their variable position relative to the fruit, accurately locating picking points using robots in natural environments presents significant challenges ...
Han Li +8 more
doaj +1 more source

