Sampling Technician - Junior. Intermediate. Senior

Author: None
Publisher:
Publish Date: 2006-04-01
Features: This book introduces the knowledge requirements and skill requirements for the vocational qualification assessment of primary, intermediate, and advanced sample collection and preparation workers. The content includes basic knowledge of sample collection and preparation, basic knowledge of coal quality, the collection of commercial coal samples, production coal samples, and coal seam coal samples, an introduction to sampling machinery, and the application of mathematical statistics in sample collection and preparation.