1.a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.
一种软质、银白色、放射性四价素,同位素用作核反应能源,见于钍矿和独居石沙中。
2.The pyrolysis membranes from silicon resin would be applied to membrane reactors, owing to its higher resistance to temperature and better permselectivity.
硅树脂裂解膜由于它能耐较高温度,具有较好的择透过性,因而它膜反应器方面具有广阔的应用前景。
3.The neutronic computation and analysis is performed to assess the technical feasibility of transmutation of long-lived actinides using fusion-fission hybrid reactors by the above code system.