1) refractory
[英][rɪ'fræktəri] [美][rɪ'fræktərɪ]
难选
1.
Test research on beneficiation of refractory oolitic hematite in hebei area;
河北某地难选鲕状赤铁矿选矿试验研究
2.
Study on extracting gold from fine-grained and disseminated refractory gold ore in a certain mine of Shanxi Province;
微细粒浸染型难选金矿石提金工艺研究
4) refractory mineral
难选矿
5) refractory gold ores
难选金矿
1.
In this article,authors summarized the species,origin of mechanism and process of pretreatment and industrical application bacteria of pretreatment for refractory gold ores,The mea - sures of intensifying biooxidation pretreatment for refractory gold ores were generalized and intro - duced.
论述了预处理难选金矿细菌的种类、来源,浸出机理,浸出工艺及工业应用实践,归纳介绍了强化难选金矿细菌浸出的措施。
补充资料：距难
1.距，通"拒"。拒绝并加以责难。 2.距，通"拒"。抗拒祸患。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条