Results 201 to 210 of about 6,901 (259)
Process Safety Assessment of the Iron-Catalyzed 1,2-<i>cis</i>-Selective Glycal Aminoglycosylation. [PDF]
Org Process Res DevZhang D +5 more
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Failure analysis of an open die forging drop hammer
Engineering Failure Analysis, 2009Abstract This paper analyses the failure of a large open die forging drop hammer. The analysis had to be semi-destructive as it was wanted to repair the equipment and to return it into service. A visual examination was performed at the forging shop and fatigue initiated at two internal defects blamed for the failure. A small sample was extracted from
A M Irisarri
exaly +2 more sources
Large-scale penetration test using a drop hammer
Rock Mechanics and Rock Engineering, 1997In the present study, large-scale penetration tests using a wedge-type drop hammer were performed. The primary objective was to determine the penetration curve in a large-scale test. The force-penetration curve is well known to be approximately linear in small-scale tests.
Fukui K, Okubo S
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Intelligent Classification of the Drop Hammer Forming Process Method
International Journal of Advanced Manufacturing Technology, 2001Forging is a cost-effective way to produce net-shape or nearnet-shape components. Forged components are used throughout the manufacturing sector in many different applications. Owing to the lack of an accurate process model, modern forging operations still largely rely on operator skills and experience.
S H Huang, S H Huang
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ACM SIGAPP Applied Computing Review, 2022
There is an old saying in America (a.k.a "Maslow's Hammer") "If all you have is a hammer, then every problem you see looks like a nail." While the techniques of machine learning (ML) has attained notable success in the artificial intelligence, and is becoming trendy in the area of resource management for D2D communications, we argue, in this article ...
Jun Huang +3 more
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There is an old saying in America (a.k.a "Maslow's Hammer") "If all you have is a hammer, then every problem you see looks like a nail." While the techniques of machine learning (ML) has attained notable success in the artificial intelligence, and is becoming trendy in the area of resource management for D2D communications, we argue, in this article ...
Jun Huang +3 more
openaire +1 more source
Drop hammer with high-speed thermal imaging
Review of Scientific Instruments, 2018The drop hammer test is the easiest way to assess the sensitivity of explosive materials, but drop hammer results for low-velocity impacts have not been able to explain how explosives will react to other kinds of initiating stimuli. In order to do that, we have to understand the fundamental mechanisms of drop hammer initiation and how they differ from ...
Zhiwei Men +3 more
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Vibration-proof foundation of a 16-ton drop hammer
Soil Mechanics and Foundation Engineering, 1965exaly +2 more sources
Damage of the foundation under a 10-ton drop hammer
Soil Mechanics and Foundation Engineering, 1972exaly +2 more sources
Drop hammer tests of Scandinavian harness racetracks
Equine Veterinary Journal, 1994Summary Drop tests were carried out on 8 Scandinavian harness racetracks in order to evaluate their shock force attenuation properties. A drop hammer model was designed to simulate the hoof strike of the horse.
S. DREVEMO, G. HJERTÉN, C. JOHNSTON
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NLRB Drops Hammer on Bad‐Acting Employer
Management Report for Nonunion Organizations, 2022Experienced union prevention professionals are usually well versed in many of the hallmark violations of the National Labor Relations Act. Can I terminate union activists? Can I engage in surveillance? Of course not. That hasn't changed. What is changing, however, is the remedies.
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