It is presented that a new method directly producing product silver from waste silver nitrate solutions.

提出了一种从硝酸银废液中回收银新方法，可直接得到成品银。

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The features of the method are labor intensity low, operating easily, the recovery of silver and purity of product silver high.

新方法操作简单，劳动强度低，银回收率高，产品纯度高。

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The letter offers similar product levels as Sun before the Oracle takeover: Basic, Silver, Platinum and Unlimited, it's in support services and software the offerings differ.

信中他们提供与前Sun相同的产品级别：基本版，银版，白金版和最终版，只是服务和软件有所不同。

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Substantial hedging activity will persist in the near-future as by-product producers of silver that began to lock in higher prices continue to do so.

FORBES: 'Gravity Defying' Silver Will Fall Back To $34/oz

While the company is among the higher-cost operators in its gold extraction activities, its silver bi-product sales reduce the net cost to among the lowest in the industry.

FORBES: GLD And Gold Shaking Hedge Fund Drag

Silver is actually a by-product of the gold and lead mining, there are few, if any, active mines that mine only silver.

FORBES: Looks Like I Picked The Wrong Week To Be A Silver Ultra Bull