OALib Journal期刊
ISSN: 2333-9721
费用:99美元
|
|
|
冻结砂金矿自然解冻和开采方法的研究
, PP. 232-237
Keywords: 融化深度,超前剥离,轮流开采
Abstract:
本文介绍了在砂金矿开采中应用冻土热学的研究情况。以斯蒂芬公式为融化深度的解析形式,用野外观测资料确定系数K.在计算和观测结果的基础上预报融化深度并作出诺模图;提出超前剥离与轮流开采相结合的生产方法,探讨逐层剥离融化法最佳剥离时间选择的理论依据并作了实验验证。该生产方法取得了较好的经济效益。
References
[1] | 穆家鹏,1989.原子吸收分析方法手册.北京:原子能出版社,36-95
|
[2] | Balobaev V T, 1961. The heat comsumption process of frozen fine-grained soil surface exposed by layer-by-layer
|
[3] | Covey C, Haagen P L, 1984. A model of oxygen isotope composition of precipitation:implications for paleoclimate data. J. G. R., 89(3):4647-4655
|
[4] | thawing. In: Heat and mass exchange of frozen soil and rock. Published by the Academy of Sciences of USSR, Moscow, 25-43(in Russion)
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|