精: refined; picked; choice矿: ore deposit中: hit; fit exactly锌: zinc量: measure capacity的: 4次方是 The fourth power of 2 i ...测定: determine; determination; se ...锡精矿中铅量的测定: determination of lead content in tin concentrates锡精矿中砷量的测定: determination of arsenic content in tin concentrates锡精矿中锑量的测定: determination of antimony content in tin concentrates -malachite green photometric method铊中锌量的测定: thallium-determination of zinc content-dithizone extraction photometric method镉中锌量的测定: determination of zinc content in cadnium-atomic absorption spectrophotometric method锌量的测定: determination of zinc content铅和锌量的测定: manganese ores-determination of copper lead and zinc contents铜、铅和锌量的测定: determination of copper lead and zinc contents钒量的测定: manganese ores-determination of vanadium content氟量的测定: determination of fluorine content钙量的测定: silicon metaldetermination of calcium contentnt铬量的测定: manganese ores-determination of chromium content汞量的测定: determination of mercury content硅量的测定: determination of silicon content金量的测定: determination of gold content量的测定: measurement of quantities; measurement of quantity磷量的测定: molybdenum concentrates-determination of phosphorus content硫量的测定: determination of sulfur content
