1) arsenical refractory gold ore
含砷难冶金矿
1.
Studies of pretreatment of arsenical refractory gold ore with pressure oxidation process;
加压氧化法预处理含砷难冶金矿的研究
2) arsenic bearing gold ores
含砷难浸金矿
1.
The basic principle, characteristics and the application of the pre processing technique of arsenic bearing gold ores by roasting with pre oxidation, pressure added pre oxidation and bacterial pre oxidation are presented in this paper.
总结了含砷难浸金矿的化学预处理技术、电化学预处理技术和微波预处理技术的研究现状 ,指出了这些技术的应用前景和发展趋势。
3) refractory As bearing gold ore
含砷难浸金矿石
1.
The column leaching experiment of the new technology of preoxidizing the refractory As bearing gold ore with hydrogen peroxide followed by cyanide heap leaching was made.
对含砷难浸金矿石进行了过氧化氢预处理—氰化堆浸新工艺的柱浸试验和工业试验研究 ,结果表明 ,与常规堆浸工艺相比 ,新工艺可较好地改进堆浸技术指标 ,能获得较好的经济效
4) arseniccontaining refractory gold concentrate
含砷难浸金精矿
1.
Utilizing the intensifying leaching function of TW tower mill to process a sort of arseniccontaining refractory gold concentrate ,the gold leaching rate by cyanide comes to 87-88%It means increasing by 8%.
利用ＴＷ型塔式磨浸机的强化浸出功能处理含砷难浸金精矿，获得了理想的效果，金的回收率达８７％～８８％，比常规浸出工艺提高８个百分点，效果显
5) arsenic-bearing refractory gold ore
含砷难处理金矿
1.
In this paper,three pretreatment processes of roasting,oxidation with high pressure and bio-oxidation on arsenic-bearing refractory gold ore are summarized.
本文详细论述了焙烧法、加压氧化法、细菌氧化法三种含砷难处理金矿的预处理工艺,对其应用发展状况作了简要介绍。
6) auriferous arsenopyrite
含金砷黄铁矿<冶>
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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