thorium dioxide

基本解释

The use of thoria (thorium dioxide) as an agent was rapidly stopped as thorium causes liver cancer.
而使用氧化钍（二氧化钍）作为代理人迅速停止钍导致肝癌。
The above results indicated that malignant transformation of golden hamster embryo cells was directly induced by thorium dioxide in vitro.
上述结果表明钍在体外可直接诱发金黄地鼠胚胎细胞的恶性转化。
Proponents of the technology say thorium is more abundant than uranium and does not involve the release of large quantities of carbon dioxide.
这项技术的支持者称，钍的储量比铀更多，而且不会产生大量的二氧化碳。

a heavy insoluble white powder used in incandescent mantles. Formula: ThO2 (Also called thoria)