The application of lead salt in the cyanide leaching operation can produce microcell in the surface of gold grain.
氰化作业中应用铅盐可在
粒表面形成微电池,对于纯颗粒这原电池可
的溶解。
The application of lead salt in the cyanide leaching operation can produce microcell in the surface of gold grain.
氰化作业中应用铅盐可在粒表面形成微电池,对于纯颗粒这原电池可的溶解。
The Constantinian gold solidus or nomisma remained the standard gold coin and maintained its proper weight, with little variation, till the eleventh century.
君士坦丁索里迪在无
改动情况下，保持纯足重直至
纪。
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