Background: Patient portals are becoming increasingly popular worldwide even though their impact on individual health and health system efficiency is still unclear. Objective: The aim of this ...

Abstract: Pneumatic drive has the advantage of flexible contact, widely used in large-diameter complex optical surface element processing device drive. Polishing is the core step in the machining ...

Serving the nation since 1947 by providing an accurate, objective, uninterrupted flow of news to the people, the national news service is pursuing a comprehensive strategy to transform the existing ...

Abstract: This paper realizes the design and implementation of an automatic cleaning system for solar cells through Arduinos, so they can work better and last longer with less maintenance. The system ...