| 单词 | pregnant solution |
| 释义 | > as lemmaspregnant solution 5. Mining. Designating the solution obtained by leaching ore, from which the desired metal can be recovered. Chiefly in pregnant solution, pregnant liquor. ΚΠ 1921 H. F. Julian & E. Smart Cyaniding Gold & Silver Ores (ed. 3) xxxi. 239 From 20 to 30 tons of pregnant solution is run into the precipitation tank. 1959 J. Newton Extractive Metallurgy vii. 413 It is usually necessary to separate the pregnant solution from the leached residue (tailing) before the metal can be precipitated. 2002 Financial Mail (S. Africa) (Nexis) 26 July 26 The ‘pregnant liquor’ containing the dissolved zinc metal is recovered as it drains from the pads. < as lemmas |
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