Only those silver coins which were much worn by usage or in any other way defaced or reduced in weight remained in current use; it did not pay to export and to sell them on the bullion market.
只有那些由于经年使用而严重受到磨损、或因任何方式损坏或损失重量的银币继续流通使用；将这些银币出口以及在黄金市场上销售也不值得。
The results showed that the discharge capacity of the MH electrode increased slightly when 3% silver was added, but the amount of the gas evolution from the simulated cell was obviously reduced.
实验表明，在贮氢电极中添加3 %质量分数的银添加剂，电极容量略为增加，且明显降低了模拟电池的析气量。
When the concentration of silver ions is very low, silver ion can be reduced almost completely.
在低银离子浓度时，光催化能完全还原银离子。
A novel gray silver colloid was prepared by silver nitrate solution reduced with sodium citrate consisting of spherical silver particles which in narrow size distribution.
利用柠檬酸钠还原硝酸银的原理，提出了一种微波加热制备银胶体粒子的新方法，得到了颗粒大小较均匀的灰色银胶体。
When it is used as a kind of surface active agent, the surface power of silver halide is reduced and the action of other sensitizing agent is promoted.
它还是1种表面活性剂，能减小卤化银的表面能量，有利于其它增感剂的作用。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
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