1) 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。
2) refractory gold ore
难选金矿
1.
Supercritical water oxidation(SCWO) was used for dressing and smelting of refractory gold ore.
采用超临界水氧化法(SCWO)选冶难选金矿石,考察了反应温度、反应压力、反应时间、过氧系数等不同影响因素对金回收率的影响。
3) refractory gold ore
难选金矿石
1.
The preliminary exploration on dressing and smelting of refractory gold ore by supercritical water oxidation(SCWO) was investigated.
介绍了超临界水氧化法(SCWO)选冶难选金矿石的初步实验,采用SCWO技术,在反应温度550oC、操作压力25MPa及反应时间10min时,使难选金矿石回收率从≤35%提高到92。
4) refractory Hg-Au ores
难选汞金矿
1.
This paper presents the result of the process study on gold extraction from refractory Hg-Au ores in the Sixiangchang gold deposit, Danzhai, Guizhou, and dwells upon several key problems in research.
介绍了从贵州省丹寨四相厂难选汞金矿中回收黄金合理工艺流程的研究结果 ,对研究中的几个关键问题进行了详细论
5) refractory gold ore
难选冶金矿石
1.
Gold can be recovered from refractory gold ore at Xingshuping, north-west by oxide roast-leaching with sulfuric acid+ calcium hypochlorite.
采用氧化焙烧 硫酸+次氯酸钙浸出工艺可从西北杏树坪地区的难选冶金矿石中回收金。
2.
By roasting mill head,then cyanide leaching the roasted ore to treat the refractory gold ores of Lufeng Gold Mine,the gold recovery rate came to 80% and the synthetic cost of ore dressing was 70$/t with better technical index and economic benefi
采用原矿焙烧—焙砂氰化浸出工艺处理鹿峰金矿难选冶金矿石 ,金的回收率达80 % ,选矿吨矿综合成本为 70元左右 ,技术指标较好 ,经济效益显著。
6) Polymetallic gold ore
多金属难选矿石
补充资料：难夫难妻(难ｎàｎ)
一名《洞房花烛》。故事片。亚细亚影戏公司1913年摄制。郑正秋编剧，张石川、郑正秋导演。一对素不相识的青年男女，经媒婆撮合拜堂成亲，在封建礼教桎梏下开始艰难的夫妻生活。为中国第一部故事片。
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