您要查找的是不是:
- The new method described herein is to reduce silver sulfide by aluminium and get silver nitrate agent. 研究价廉易得的铝作为还原剂,从含硫化银废水中制取试剂级硝酸银。
- A new wet-chemical method for producing metallic silver directly from silver sulfide was proposed. 提出了一种新的从硫化银直接制备金属银的湿化学方法。
- USE: Flotation agent for froth separation of metal sulphide ores such as copper, zinc, silver sulfide and precious metals, with an excellent selectivity and weak frothing property. 注意事项:避免在强酸性矿浆中使用,以防分解。使用时要戴护目镜和防毒口罩,避免与皮肤、眼睛和口腔接触。万一出现类似情况,要用大量清水冲洗15分钟。
- a valuable silver ore consisting of silver sulfide (Ag2S) 一种贵重的银矿,由硫化银组成(AgS)
- a valuable silver ore consisting of silver sulfide (Ag2S). 一种贵重的银矿,由硫化银组成,(AgS)。
- Keywords silver coins;tarnish;silver sulfide;electrochemical process; 银纪念币;变色;硫化银;电化学腐蚀;
- 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。
- Direct Preparation of Metallic Silver by Hydrogen Reduction of Basic Slurry of Silver Sulfide 硫化银碱性水浆直接加氢还原制备金属银
- 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。
- She was born with a silver spoon in her mouth. 她生来富贵。