Design Improvement of a Viscous-Spring Damper for Controlling Torsional Vibration in a Propulsion Shafting System with an Engine Acceleration Problem

In order to cope with strengthened marine environmental regulations and to reduce fuel consumption, recently constructed vessels are equipped with an ultra-long stroke engine and apply engine de-rating technology.This was intended to improve propulsion efficiency by adopting a larger diameter propeller turning at a lower speed but also results in a

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Cuminaldehyde potentiates the antimicrobial actions of ciprofloxacin against Staphylococcus aureus and Escherichia coli.

Escherichia coli and Staphylococcus aureus are important agents of urinary tract infections that can often evolve to severe infections.The rise of antibiotic-resistant strains has driven the search for novel therapies to replace the use or act as adjuvants of antibiotics.In this context, kids make up plant-derived compounds have been widely investi

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Insect juvenile hormone: from "status quo" to high society

Juvenile hormone (JH) exerts pleiotropic functions during insect life cycles.The regulation of JH biosynthesis by neuropeptides and biogenic amines, as well as the transport of JH by specific binding proteins is now well understood.In kids make up contrast, comprehending its mode of action on target organs is still hampered by the difficulties in i

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