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Application Theory Research of Gob-Side Entry Re(Chinese Edition)
Edité par
Metallurgical Industry Press, 2021
ISBN 10 : 7502488502
ISBN 13 : 9787502488505
Neuf
paperback
Vendeur : liu xing, Nanjing, JS, Chine
Évaluation du vendeur 5 sur 5 étoiles
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2021-04-01 Publisher: Metallurgical Industry Press This book is a summary of the author's many years of scientific research. The book establishes an adaptive grading system for gob-side entry retention. Six geological factors. such as lithology. direct roof influence coefficient and roof integrity. were used to evaluate the adaptability of gob-side entry retention. and the influence weights of the 6 geological factors were obtained through AHP. The adapta. N° de réf. du vendeur NX027813
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EUR 107,26
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Expédition depuis Chine vers Etats-Unis
Expédition depuis Chine vers Etats-Unis
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