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- The reduction process of SBRF-E gold and silver refining is carried under using SBRF reducer and controlling the redox potential.The purity of the gold products is over 99.99% . 金银精炼新工艺采用SBRF作还原剂;通过控制氧化还原电位来控制还原;产品金纯度达到99.;99%25以上;
- Whitehead process for silver refining 怀特赫德精炼银法
- NIV] And the words of the Lord are flawless, like silver refined in a furnace of clay, purified seven times. [和合]耶和华的言语，是纯9净的言语，如同银子在泥炉中10炼过七次。
- And the words of the LORD are flawless, like silver refined in a furnace of clay, purified seven times. 耶和华的言语，是纯净的言语。如同银子在泥炉中炼过七次。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- They have some sterling silver cutlery. 他们有一些标准纯银餐具。
- He put the candle on the silver candlestick. 他把蜡烛放在银烛台上。
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- He found the chest to contain silver coins. 他发现那囗箱子装着银币。
- She won a silver trophy for shooting. 她在射击比赛中获得银奖。
- The burglars made away with all our silver. 窃贼带着我们所有的银子逃走了。
- His black hair was threaded with silver. 他的黑发中夹杂着银发。
- The Silver Age came next, inferior to the golden. 接下来的是逊于黄金时代的白银时代。
- Speech is silver; silence is golden. [谚]雄辩是银，沉默是金。
- She has rubbed up the silver plate. 她把银盘子擦亮了。
- The steel refining equipment alone may cost twenty millions pound. 单单钢的精炼设备就可能值两千万英镑。
- She was born with a silver spoon in her mouth. 她生来富贵。
- There is not a silver hair on her head. 她头上没有一根银发。
- Their silver is made of stainless steel. 他们家的餐具是不锈钢制的。
