翻訳と辞書 |
Cutoff grade : ウィキペディア英語版 | Cutoff grade
In mining, the mine cut-off grade is the level of mineral in an ore below which it is not economically feasible to mine it. The mill cut-off grade is the level below which already mined ore is not worth processing. The mine cut-off grade is estimated or chosen during a mining feasibility study.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cutoff grade」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|