Ammonium secondary phosphate is used as a matrix modifier.
采用磷酸氢二铵作基体改进剂。
The effect of cesium iodide on thallium atomic absorbance in the presence of palladiummagnesium nitrate as a matrix modifier was investigated .
研究了碘化铯对钯-硝酸镁基体改进剂中铊吸光度影响。
A method for the determination of gallium by the tantalum foil-lined graphite furnace atomic absorption spectrometry with vanadium and copper as mixed matrix modifier has been investigated.
提出用钒和铜混合基体改进剂衬钽管石墨炉原子吸收测定镓的方法。
A new nanofiltration membrane was prepared by using the method of ultraviolet irradiation and polyacrylonitrile membrane as matrix membrane and chitosan as modifier.
以聚丙烯腈膜为基膜，壳聚糖为改性剂，采用紫外辐射法制备了一种新型纳滤膜。
A new nanofiltration membrane was prepared by using the method of ultraviolet irradiation and polyacrylonitrile membrane as matrix membrane and chitosan as modifier.
以聚丙烯腈膜为基膜，壳聚糖为改性剂，采用紫外辐射法制备了一种新型纳滤膜。
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