baryta coated paper card

例句：

1. 1. This barium-coated paper card is a great tool for conducting experiments.
   这种钡涂纸板卡是进行实验的好工具。
2. 2.The barium-coated paper card helped me identify the chemical formula of the compound.
   这个钡涂纸板卡帮助我确定了化合物的化学式。
3. 3. The barium-coated paper card was used as a reference during the analysis of the sample.
   在分析样本时，这个钡涂纸板卡用作参考。