Results 151 to 160 of about 139,319 (359)

Synthesis and Evaluation of Sunflower-Oil-Based Esters as Biolubricant Base Oils Using Ca/TEA Alkoxide Catalyst

open access: yesLubricants
This study evaluates the production of base oils for biolubricants using fatty acid methyl esters (FAMEs) derived from sunflower oil as the raw material.
Dimosthenis Filon   +2 more
doaj   +1 more source

Evaluation of water film by reynolds' equation in deep drawing using high-pressured water jet [PDF]

open access: yes, 2013
The authors had proposed a deep drawing method using high-pressured jet waters as lubricant. This method aimed to suppress the usage of oil or other chemical lubricants, which might require some additional processes for lubricant removal and become a ...
Horikoshi, Yuki   +4 more
core  

Hard‐Magnetic Soft Millirobots in Underactuated Systems

open access: yesAdvanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang   +4 more
wiley   +1 more source

UTact: Underwater Vision‐Based Tactile Sensor with Geometry Reconstruction and Contact Force Estimation

open access: yesAdvanced Robotics Research, EarlyView.
Embedded flexible sensing technologies advance underwater soft robotics, yet most systems still suffer from hysteresis and limited perceptiveness. Instead, vision‐based tactile sensors provide reliable and rapid feedback essential for complex underwater tasks.
Qiyi Zhang   +5 more
wiley   +1 more source

The Effect of Dissolved Water on the Tribological Properties of Polyalkylene Glycol and Polyolester Oils [PDF]

open access: yes, 1994
The effect of water dissolved in polyalkylene glycol and polyolester oils on the tribological behavior of two material contact pairs in three test environments is evaluated.
Cusano, C.   +2 more
core  

In reply: Lidocaine lubricants for intubation-related complications: more details, more significance? [PDF]

open access: bronze, 2019
Alan Hsi-Wen Liao   +5 more
openalex   +1 more source

Home - About - Disclaimer - Privacy