1.
a radioactive metallic_element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.
一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。
2.
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
一种重且有毒的银白色放射性金属元素，有许多同位素，用于核燃料和核武器中。
3.
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
一种存在周期短的放射性金属元素，由铀形成，能分裂成锕然后分裂成铅。
4.
cermet containing radioactive elements
含放射性元素的金属陶瓷
5.
Some rare metals have radioactivity.
某些稀有金属具有放射性。
6.
a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
一种碱金属属的放射性元素，是锕瓦解的产物。
7.
Progress of the Synthesis of PET Radiopharmaceutical Mediated by Metal
金属参与的正电子放射性药物的合成进展
8.
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.
样品皿用于存放放射性物质以测量其活性的小而浅的金属容器
9.
Of or exhibiting radioactivity.
放射性的属于或表现出放射性的
10.
This conflicted with views which held that no mineral should be more radioactive than metallic uraniurn.
这就与矿物质的放射性不应该高于金属铀的放射性这一观点相冲突。
11.
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.
一种放射性的超铀金属元素，在用氦原子轰击铀时发现。
12.
cermet ,whether or not wrought (excl. those containing fissile or radioactive substances)
金属陶瓷,无论是否锻造(不包括含有可裂变或放射性物质者)
13.
caseinate (excl. radioactive or precious metal caseinates)
酪蛋白盐（不包括放射性酪蛋白酸盐或贵金属酪蛋白酸盐）
14.
an intensely radioactive metallic element that occurs in minute amounts in uranium ores.
一种放射性极强的金属元素，以极少量存在于铀矿中。
15.
a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium.
一种放射性超铀金属元素，在铀矿中有少量存在，是制造钚的副产品。
16.
Research of Decontamination Technology for Radioactive Contamination on Metal by DEDM;
涂膜电解法去除金属材料表面放射性污染技术研究
17.
UNECE' s SUGGESTIONS ON PREVENTION AND MANAGEMENT OF TRANS-BOUNDARY RADIOACTIVE SCRAP MENTAL
联合国欧洲经济委员会对跨国放射性废金属的监控和管理建议
18.
Emission of photoelectrons, especially from metallic surfaces.
光电发射光电子的放射，尤指从金属表面