active material

• 激活材料,放射性物质,活性材料

active material的用法和样例：

例句

1. You have to be cautious when you use these radioactivity material.
   你们使用这些放射性物质的时候一定要非常小心。
2. The radioactive material is stored in a special radiationproof container.
   放射性物质被储存在一个特制的防辐射的容器里。
3. The radioactive material is stored in a special radiation-proof container.
   放射性材料贮存在防辐射的特殊容器内。
4. Tongchuan city officials believe the radioactive material - and its protective container - are likely to have been melted down.
   铜川市官员认为，这快放射性材料，及其保护外壳，可能已经被熔化了。
5. The formed active material in the stamped grids becoming loose in the grid openings and the battery failed.
   冲孔板栅形成后的活性物质在板栅的孔中变得松散，因而使蓄电池失效。
6. Aromatase immunoreactive material was distributed in the cytoplasm with negative nuclei.
   芳香化酶免疫活性物质分布在胞质，核为阴性。