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- New smelter will be the size of gold concentrate for processing 200 tons / day. 将新建冶炼厂规模为日处理金精矿200吨/日。
- The second was better than the first for treating the Cu-baring gold concentrate in economic efficiency.The concentr... 在试验中,还探讨了采用处理后的活化水提高氰化金浸出率方法,这为研究改进氰化工艺提供了一条新思路。
- Adopt flotation can get rid of lead from high leaded gold concentrate,and output qualified lead concentrate for sale. 采用浮选法可以从高含铅金精矿中脱除铅,并产出合格的成品铅精矿供外销。
- At normal cyaniding, the finer the gold concentrate is ground, the lower gold content of leaching residue. 正常氰化条件下,金精矿磨得愈细,氰化渣含金愈低。
- The pretreatment of high-sulfur and high-arsenic refractory gold concentrate (RGC) with hydrogen peroxide was studied. 摘要在酸性条件下采用过氧化氢对高硫高砷难选金精矿进行预处理。
- The method that the gold concentrate adding sodium sulfide is roasted could effectually raised the recoveries of gold,silver and copper. 该方法是将金精矿加入硫化钠后进行焙烧预处理,可有效地提高金、银、铜的回收率。
- The extraction rate of gold and silver could be raised greatly by adding some sodium sulfate when the gold concentrate was roasted. 该方法是在含砷金精矿焙烧时加入一定量的硫酸钠,可大幅度提高金、银的氰化浸出率。
- A technology for leaching gold from a refractory gold concentrate using Mesophile preoxidizing-cyanide leaching was presented. 对安徽某难处理金精矿进行了中温菌预氧化氰化浸金试验研究,并与传统焙烧氰化浸金工艺进行了对比。
- This paper studies the process of the extraction of gold by ammoniacal thiosulfate leaching from the roasted copperbearing sulphureous gold concentrate. 研究了硫代硫酸盐法从焙烧后的含铜硫金精矿中回收金的工艺过程。
- This paper made a description of gold extracting from copper bearing gold concentrate of a gold mine of Guangdong by roasting aqueous leaching cyaniding process. 对广东某金矿含铜金精矿焙烧-水浸-氰化提金工艺进行试验研究,试验结果证明工艺是成功的。
- This paper proposed a simple and practical method to determine precious metals in gold mud produced by the technology of “cyanidation of gold concentrate followed by Zinc replacement”. 提出了一个实用而简便测定金精矿氰化-锌粉置换工艺金泥中贵金属的方法。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- The gold was glinting in the sunlight. 金子在阳光下闪闪发光。
- The gold concentrates are pretreated by alkaline hot-press oxidation followed by flash cyanidation in autoclave. 本文通过试验研究提出了在碱性压热氧化条件下,金精矿在高压釜内进行闪速氰化的新工艺。
- The effect of Y 89 collector series upon gold concentration from gold ores of Wang Er Shan Gold Mine was studied through experiment and application. 通过试验及生产应用实践,研究了Y-89系列捕收剂对望儿山金矿矿石中金的选别效果及适合的药剂制度。
- Superimposition of Mesozoic Yanshanian magmatic-hydrothermal activities favorable for further gold concentration and mineralization. 中生代燕山期岩浆热液活动的叠加有利于进一步富集成矿。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- It's too hot to concentrate on book. 热得不能集中心思看书。
- The gold recovery can be increased from 36.5% to 94.3% by pretreating refractory gold concentrates by acidic hot-press oxidation process. 摘要采用酸性热压氧化工艺对某难处理金精矿进行预处理,其金回收率可由常规浸出的35.;6%25提高到94
- I must concentrate my energies on decorating today. 我今天必须集中精力搞装饰。