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软磁铁氧体用四氧化三锰
Manganous manganic oxide for soft magnetic ferrites
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碳酸锰矿
Manganese carbonate ore
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锰矿石 全铁含量的测定 重铬酸钾滴定法和邻菲罗啉分光光度法
Manganese ores--Determination of total iron content--Potassium dichromate titrimetric method and 1,10-phenanthroline spectrophotometric method
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锰矿石 锰含量的测定 电位滴定法和硫酸亚铁铵滴定法
Method for determination of total manganese content in manganese ores
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锰矿石 磷含量的测定 磷钼蓝分光光度法
Manganese ores--Determination of phosphorus content--Phosphomolybdenum blue spectrophotometric method
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锰矿中砷、汞元素测定 微波消解-原子荧光光谱法
Determination of arsenic and mercury content in managanese ore—Microwave digestion-atomic fluorescence spectrometry method
价格：￥0.00
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进出口锰矿石中硫含量的测定 高频感应电炉燃烧红外线吸收法
Determination of sulfur content in manganese ores for import and export-High frequency combustion with infrared absorption method
价格：￥0.00
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