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Abstract: The inertial stick-slip platforms driven by piezoelectric ceramics have comprehensively application in the field of nanomanipulation and nanoassemblies field. In this paper, our ...

Abstract: Stick-slip friction-induced oscillations appearing in oilwell drillstrings are a source of failures which reduce penetration rates and increase drilling operation costs. For this reason, a ...

Figure 8. Experimental platform ... However, as observed in this experiment, a significant “backlash” phenomenon occurs during the slip–stick driving tests when using the synchronous control of ...

FILE - Bolivian President Luis Arce gives a press conference at the presidential palace in La Paz, Bolivia, April 7, 2025. (AP Photo/Juan Karita, File) ...

SINGAPORE - Hotel rates, takings and occupancy for the first quarter of 2025 fell on a yearly basis, even as the number of international arrivals was largely similar, figures from the Singapore ...

[SINGAPORE] Hotels rates, takings and occupancy for the first quarter of 2025 fell on a yearly basis, even as the number of international arrivals were largely similar, figures from the Singapore ...

Lego’s new building kit will turn your wall into an ode to ’80s graffiti art. The latest in Lego’s art-inspired sets is a customizable brick-built version of Keith Haring’s dancing figures ...