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Nature

Concentration of Gold Ores - Nature

WHEN gold mining is a new industry in any country, the methods of extraction are often somewhat rough and ready. With great quantities of rich ore waiting for treatment or ...

11 hours ago

Nature

The Extraction of Gold by Chemical Methods - Nature

EXCLUDING mechanical, smelting, and amalgamation processes, the methods of extracting gold from its ores may conveniently be grouped together under the heading of wet or chemical ...

24 hours ago

Daily Telegraph

Scots forced to wait more than a year for tooth extractions on the NHS

3 days ago

The Irish Times

Ireland lags other countries on reusing building materials, but how can we close the gap?

5 hours ago

Morning Star

Legal challenge to veto new oil and gas fields gets under way

2 days ago

Nature

A steel defect detection method based on edge feature extraction via the Sobel operator - Scientific Reports

To learn richer image features and obtain more important edge information in steel defect detection, we propose the EIFEM module, which has been improved in YOLOv5, YOLOv8, and YOLOv10. Since ...

2 days ago