Kropachev P 1

1. State and Prospects of Developing Nuclear–Physical Methods and Means for Monitoring the Ash Content of Coals
2. Studying Natural Radioactivity of Coals and Ash and Slag Waste as Potential Raw Materials for Quality Assessment and Extraction of Rare Earth Elements
3. Computational Research of the Efficiency of Using a Three-Layer Panel Made of Highly Porous Polystyrene Concrete
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