BOOKS - POPULAR SCIENCE - Рассеянные металлы в природе. Но...
US $6.54
882155
882155
Рассеянные металлы в природе. Новое в жизни, науке, технике
Year: 1979
Number of pages: 48
Format: DJVU | PDF
File size: 11 MB
Number of pages: 48
Format: DJVU | PDF
File size: 11 MB
The paper tells about metals that are extracted along the way from ores and minerals, when processing raw materials. On the possibility of their use in the national economy. The reader learns about such rare scattered metals as germanium, vanadium, cadmium and others. The brochure is designed for a wide range of readers.