Emphasis is made to the methods used in the improvement of sensitivity of Tl, including matrix modification, sampling modes and pre-conc e ntration techniques.
重点介绍了用原子吸收法测定铊时，基体改进剂、进样方式、反应机理以及预富集技术对提高方法灵敏度的作用。
The mechanism of gallium atomization by graphite furnace atomic absorption spectrometry has been proposed. The enhancement effect of matrix modification is discussed.
提出了石墨炉原子吸收法测定镓时原子化机理，探讨了基体增敏作用的机理。
Many factors such as the surface modification of PVC matrix and cellulose-fiber, processing conditions all affected the cell morphology and physical properties.
多种因素如PVC、纤维素纤维的改性处理、加工条件等都将影响泡孔形态与制品的物理机械性能。
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