在锡的浸出实验中观察到相反的效果，原样品浸出时得到了最高的浸出物。
The opposite effect was observed in the case of the tin leaching, where the highest extraction was achieved when the original sample was leached.
在优惠条件下，实验浸出率可达98%左右。
The leaching efficiency could be up to 98% under the selected conditions.
实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理。
The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.
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