钡的

Results indicate that both of barium thioglycolate and barium-natrium thioglycolate can increase the thermal stability of PVC system, and the thermal stability of barium thioglycolate is better.

巯基和巯基-钠都能提高PVC的热稳定性,但巯基的稳定性要好于巯基-钠。

The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied, and the ones of the powders calcined at different temperatures for different time were also studied.

对铁氧体的水凝胶、醇凝胶以及气凝胶的外光谱进行了初步的观察，同时对不同焙烧温度及时间所得粉末的外吸收光谱进行了考察。

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿少含有两种放射性质：与铋伴生的命名为钋，与伴生的命名为镭。