放射性的

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓的放射性同位素之一。

One drawback: a nonradioactive dye must be administered through the child's rectum before a CAT scan can be performed.

在做CAT射线之前，必须用一种非放射性的染料给孩子的直肠染色。

27 PBq of radioactive material.

27个1015底夸克的放射性物质。

The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead.

研究表，庄铜矿矿铅和近矿围铅具有极的放射性成因铅特点。

Radioactive nuclides are solidified at crystal lattice as one part of crystalloid by zirconolite-rich synroc, which greatly enhances the long-term safety of radioactive waste disposing.

富钙钛锆型人造放射性核素固定在其晶格中作为晶体的一部分固定起来,大大提了放射性废物处置的长期安全性,是固化放射性废物理想的固化介质。

The objective is to observe clinical effects of trolamine in the treatment of radiation-induced skin toxicity on the breast in breast carcinoma patients after modified mastectomy.

为了观察三乙醇胺治疗乳腺癌改良术后胸壁放射性皮肤损伤的临床疗效。