To recover the metallic gold, we now need to precipitate the gold that’s in solution.
要想获得固态的金，我们现在就需要让溶液中的金沉淀。
To recover the metallic gold, we now need to precipitate the gold that's in solution.
要想获得固态的金，我们现在就需要让溶液中的金沉淀。
They then coated the template with ink made of flecks of gold just 60 nanometres in diameter suspended in an aqueous solution.
接着，研究人员用一种特殊的墨水覆盖住，而这种墨水是由直径仅60纳米的黄金微粒悬浮于水性溶剂而构成的。
We end up with a diluted solution of sulfuric acid, various metals (including gold), and waste that then needs to be filtered.
最后我们得到了稀硫酸、各种金属(包括金)和废弃物，它们都需要过滤。
Archimedes comes up with the solution to evaluate how pure the gold is in any jewelry while he is taking a bath.
古希腊数学家、屋里学家、发明家、学者的阿基米德发明鉴别任何珠宝的纯金度的方法，是在他的一次洗澡的过程中偶然想到的！
The filter will retain all the impurities, leaving only a gold (III) chloride solution.
所有的杂质都会留在滤纸上，而三氯化金则可以顺利通过滤纸。
Results show: after the adsorption of gold foam does not wash with water, the direct use of thiourea solution of the cult, the determination of gold a better result.
实验证明：吸附金后的泡沫塑料不用水冲洗，直接用硫脲溶液解脱，金的测定结果更好。
Now, all we need to do is filter everything once again. The filter will retain all the impurities, leaving only a gold (III) chloride solution.
现在我们要做的就是把所有的东西再过滤一遍。所有的杂质都会留在滤纸上，而三氯化金则可以顺利通过滤纸。
Solution mining is a available method to extract gold from lean ore, relic, waste dumps and tailings.
溶浸采矿是从贫矿、残矿、废石堆、尾矿中提取金的一种行之有效的方法。
They then dipped the gold into a solution containing the protein, allowing it to bind to the treated squares, and dunked the whole lot into a heated solution of iron salts.
另一半不做任何处理作为对照，再把这些金黄色的棋盘浸入含蛋白质的溶液中，并允许溶液中的蛋白质与棋盘上的固定蛋白质结合，最后把该棋盘全部浸入加热的铁盐溶液中。
Electronic Gold Tester USES mild and safe testing solution, can be used anywhere - in your office or at home, while in the field buying at estate sale or flea market.
电子黄金检测仪用的是轻柔和安全的方法，可以用于任何场所，在家里或者在你办公室，在野外买房地产或者在跳蚤市场。
DNA dissolved in double-distilled water were deposited onto gold surface and covered with 50%glycerol-water solution.
把溶于双蒸水的脱氧核糖核酸(DNA)铺展在金膜上，再覆盖一薄层50%甘油水溶液。
The polysulfide solution is one of non cyanidation systems of gold leaching in which polysulfide ions are the main effective components.
多硫化物溶液是一种非氰化浸金体系，其中的有效成份是多硫根离子。
A new process of producing electrolytic copper powder from anti-extracting bacterial leaching solution from copper ore of Ziji Mount Gold-Copper Mine was developed.
研究了直接利用紫金山金铜矿的铜矿细菌浸出反萃含铜溶液生产电解铜粉的新型工艺。
Test results showed that use of ammoniacal solution pretreatment can effectively remove copper, and thus alleviating negative effect of copper on leaching of gold.
结果表明：采用含氨溶液预处理除铜，有效地排除了铜对氰化浸金的影响。
It has been confirmed in practice that separating of gold from silver in acidic thiourea solution by means of decreasing the temperature of solution then crystallization is a very effective method.
经试验证明，用降温结晶法从酸性硫脲溶液分离金和银，乃是一种有效的方法。
This paper made study on gold extraction by leaching copper anode mud with acidic thiourea solution.
本文研究了用酸性硫脲溶液从铜阳极泥中浸取金的方法。
Using iodimetry to determine gold in ore, gold loaded carbon, leach solution and residue after activated carbon adsorption needs less types of reagent and simple operation with higher accuracy.
用活性炭吸附—碘量法测定矿石、载金炭、浸出液及残渣中金含量，使用试剂种类少，操作简单，准确度较高。
Levis Strauss was immigrant from Germany. In 1850 he found himself in San Francisco selling supplies to gold miners. There was a need for durable pants so Strauss got to figuring out a solution.
里维斯·施特劳斯是德国来的移民，1850年他来到旧金山卖补品给挖金矿的矿工，当时需要耐用的裤子，因此施特劳斯想找出解决办法。
The results show that the proposed fibre is highly stable in structure and can adsorb gold even from aqua regia solution.
结果表明：罗丹宁纤维结构稳定，可在很强的王水溶液中直接富集金。
The properties of gold adsorption and desorption of R-519 resin in hydrochloric acid solution were studied by static method.
采用静态法研究了R-519树脂在盐酸介质中吸附、解吸金的性质。
The chemical reaction between the gold and sugar is visible: Depending on the concentration of sugar, the solution turns from light pink to a bloody red.
金分子和糖分子之间的化学反应是可视的：根据糖分子的浓度，其溶液就会通过从粉红转变为血红色。
The absorption of gold with CL-N235 extraction resin was studied in hydrochloric acid solution by atomic absorption spectrometry.
用原子吸收法研究了在盐酸介质中N235萃淋树脂吸附金的过程。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
从含高铜、铅、锌贵液中直接用锌粉置换回收金，效果差。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
从含高铜、铅、锌贵液中直接用锌粉置换回收金，效果差。
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