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nium

nium

 英

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例句

The optimum design is introduced for the monoammo-nium phosphate in powder shape produced by slurry method with the biggest scale in China.

介紹國內(nèi)最大規(guī)模料漿粉狀磷酸裝置優(yōu)化設(shè)計(jì)

Kinetic spectrophotometric determination of trace ruthe-nium with thoron

釷試劑催化動(dòng)力學(xué)光度法測(cè)定痕量

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