Methods The level of S-Hg of 16 specimens on each time-point before or after amalgams filling were tested by means of absorbed spectrometry, and analysed by SAS program.

方法用冷原子吸收光谱法测定16名实验对象银汞合金充填前和充填后各时间点唾液汞量，用SAS软件程序进行分析统计。

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The processing and vulcanizing properties of silicon compounds filled with modified HG carbon black (HG-S) in a wide range of loading level (30-80phr), were studied in this paper.

研究了改性华光导电炭黑（HG-S）的用量（30～80质量份），对硅橡胶胶料的工艺性能、硫化特性、物理机械性能以及导电性能的影响。

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The compositions of S, F, Hg in soil near gangue pile in Laiwu coal field are higher than contrast point, but lower than background value of soil composition in Shandong Province.

莱芜煤田矸石堆附近土壤中的硫、氟、汞等成份比对照点偏高，但低于山东省土壤成份背景值。

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