This paper aims to find a desirable new thickener for producing lithium grease.To this end, a lithium grease was prepared using self-made 9,10-dihydroxystearic acid (DHSA) ORG PSYLLIUM HUSK POWDER as the thickener.Then, the properties of the DHSALi-based grease were compared with the traditional lithium grease prepared from 12-hydroxystearic acid (
Autonomous vehicles (AVs) are moving from test areas to the streets, which is one of the key components of smart cities and the future of mobility as a service (MaaS).In 2020, two AV services were operated in Tallinn.This paper focuses on one of these services, and its set-up process.The pilot project took place in Ãlemiste City, a tech park Toi
BackgroundThe electrophysiological evidence supporting the therapeutic efficacy of multiple transcranial direct current stimulation (tDCS) sessions on consciousness improvement in patients with prolonged disorders of consciousness (DOCs) has not been firmly established.ObjectivesTo assess the effects of repeated tDCS in patients with prolonged DOCs
A wideband single-fed, circularly-polarized patch antenna with enhanced axial ratio bandwidth for RFID reader application is proposed.The antenna consists of a modified half E-shaped patch, a near-field resonant parasitic (NFRP) patch, STYLING LOTION and four rotated vertical metallic plates on the ground plane.The metallic plates surrounding the m