Their secret is their power to concentrate, and thus to obtain the maximum of result with the minimum of apparent effort.
他们的成功秘诀在于能够专心，因而能够凭借最低限度的明显努力获得最高限度的 成果。
The process is acid adding pre-leaching at normal pressure, pressurized oxygen leaching to leach out base metals and filtering separation to obtain solid noble metal concentrate.
其特征在于 采用常压加酸预浸、再加压氧浸出，将羰化合成残渣中的贱金属浸出，过滤分 离得到固体贵金属精矿。
Arsenic and fluorine contents were determined to obtain their distribution behavior in copper concentrate smelting and sulphuric acid production with the off-gas.
通过对铜精矿冶炼过程及冶炼烟气制酸过程砷、氟含量的测定，确定了在整个系统中砷、氟的分布。
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