在竖管炉中用石墨坩埚进行还原试验。
Reduction experiments have been conducted in a vertical tube furnace using graphite crucible.
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 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.
样品经湿法消解后，在基体改进剂作用下，采用涂钽石墨管、塞曼校正石墨炉原子吸收光谱法测定食品中铝含量。
Aluminum in the wet-digested food was determined by tantalum-coated graphite tube-graphite furnace atomic absorption spectrometry with matrix modifier.
研究金属碳化物涂层管对石墨炉原子吸收法测定砷的灵敏度、精度及抗干扰能力。
The sensitivity, precision and disturbance resisting property were studied by using metal coated graphite tube for electrically heated atomic absorption spectrometry.
通过一系列条件试验，研究了石墨炉原子吸收光谱法测定水中微量钡的石墨管类型、最佳加热程序和最佳基体改进剂等。
Determination of trace Ba in water by graphite furnace atomic absorption spectrometry is studied. The optimum graphite tube, heating programs and matrix modifier are investigated.
一体化平台石墨管，用于横向加热石墨炉，每包5根(二包)。
THGA graphite tubes with integrated platform, for use with transversely heated graphite furnace. Pack of 5.
真空电阻炉用加热元件、空感应炉用各种石墨元件、管炉用的加热管。
The tubular-cased heating element is the same type as those used in cook stoves.
真空电阻炉用加热元件、空感应炉用各种石墨元件、管炉用的加热管。
The tubular-cased heating element is the same type as those used in cook stoves.
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