decreasing temperature method
decreasing temperature method
降温法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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