Abstract: The reagent addition control level of the zinc first rougher has a significant impact on the quality of the zinc concentrate. As froth visual features are important indicators of working ...

Hundreds of tourists were left stranded as adverse weather led to suspension of flights for the third straight day at Lukla airport in the Everest region of Nepal, officials said Saturday. It has been ...

Abstract: In this article, a bump restriction dependent switching command design strategy is proposed for the aircraft engine control system which is characterized by a switched LPV (SLPV) model. A ...

I have kept almost entirely quiet about matters of partisan politics ever since leaving elective office more than a dozen years ago. But watching the national drive to redraw congressional district ...

What happens in the southern hemisphere can be a warning sign for the northern hemisphere, say experts - and flu cases are already rising in England A FEW days of feeling under the weather is expected ...