电子: electron级: level; rank; grade水中: in the water的: 4次方是 The fourth power of 2 i ...分光: spectral; beam split光度: luminosity测试: test; testing; checkout; mea ...方法: method; means; way; techniqu ...电子级水中微粒的仪器测试方法: test method for particles in electronic grade water by instrument电子级水中总有机碳的测试方法: test method for total organic carbon in electronic grade water电子级水测试方法通则: generic rules for test methods of electronic grade water电子级水中细菌总数的滤膜培养测试方法: test method for total bacterial count in electronic grade water by membrane filters电子级水电阻率的测试方法: test methods for resistivity of electronic grade water刚玉粉中二氧化硅的比色测定法: determination of sioin alundum powder by colorimetry分泌二氧化硅的: silica secreting含二氧化硅的锌矿: galmey分光光度测定: spectrophotometric determination; spectrophotometry车间空气中氧化锌的双硫腙分光光度测定方法: workplace air-determination of zinc oxide-dithizone spectrophotometric methed分光光度测定法, 分光光度学: spectro photometry电子级水: electronic grade water密度测试方法: colourless optical glass test methods-density硬度测试方法: standard test method for leeb hardness testing of steel products粘度测试方法: methods for measurement and test of the viscosity二氧化硅的硅酸钾溶液: liquor of flints超分光光度测定: ultraspectrophotometry