放射性的

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓放射性同位素之。

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，必须用种非放射性染料给孩子直肠染色。

27 PBq of radioactive material.

27个1015底夸克放射性物质。

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

研，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高放射性成因铅点。

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.

富钙钛锆石型人造岩石将放射性核素固定在其晶格中作为晶部分固定起来,大大提高了放射性废物处置长期安全性,是固化高放射性废物理想固化介质。

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临床疗效。

Disposal of wastes with radioactivity and other radioactive substances on the sea is forbidden. The exemptible radioactive content in the wastes shall be determined by the State Council.

禁止在海上处置放射性废弃物或者其他放射性物质。废弃物中放射性物质豁免浓度由国务院制定。