Código QR (código de barras bidimensional)

Grouting and plugging technology of in-seam borehole methane drainage

Based on the analysis of the gas leakage mechanism and the principle of plugging in the surrounding rock of the in-seam borehole, a new grouting and plugging technology by separating the space and staggering time to cut off the air leakage channel was proposed. The separating space was embodied in...

Fuld beskrivelse

Na minha lista:
Bibliografiske detaljer
Hovedforfatter: ZHANG Yunfeng
Format: Artigo
Sprog:Chinês
Udgivet: Editorial Office of Safety in Coal Mines 2021-10-01
Serier:Meikuang Anquan
Fag:
Online adgang:https://www.mkaqzz.com/cn/article/id/7659
Tags: Tilføj Tag
Ingen Tags, Vær først til at tagge denne postø!