片语

radiomaterial放射性物质；放射材料

short lived radioactive substance短寿命放射性物质

beta radioactive substance贝他放射物质

artificial radioactive substance人工放射性物质

radioactive material放射性物质；[核] 放射性材料

chemistry of radioactive substance[核]

radioactive E substance放射性物质

atmospheric radioactive substance[气象]

airborne radioactive substance气载放射性物质

seeking radioactive substance亲血细胞型放射性物质

英汉例句

• ratti likens the use of these tags to injecting a radioactive substance into a patient in order to find blockages that might be causing health problems.

  瑞缇把使用这个标签就像把一个放射性的物质植入病人体内用来找到影响健康的障碍所在。

• the original plan was to encase a small amount of a radioactive substance in a protective steel container.

  原先计划是要将少量的放射性物质封存在一个钢质防护罩中。

• the natural radioactive substance content was determined for fishes, in thermal spring water, farm products irrigated with such water and other biological samples.

  测定了在该泉水中养殖的鱼类及用该泉水灌溉生长的农作物和其他有关环境生物样品中天然放射性物质的含量。

• or a radioactive substance may be disintegrating at a known rate and we may be required to determine the amount of material present after a given time.

  又如，某种放射性物质可能正在以已知的速度进行衰变，需要我们确定在给定的时间后遗留物质的总量。

• the wife of a russian spy who was poisoned with a radioactive substance is now tested positive for it.

  俄罗斯特工威克多·利特维年科因放射性物质中毒，现在其妻放射性物质测试显阳性。

• a half-life is the time it takes half the atoms of a radioactive substance to disintegrate.

  氮的这种放射性形式在自然界中不会产生。

• internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer.

  内部放射治疗是用密封在针、种子、电缆或导管中的放射性物质，直接作用于癌癥或癌癥附近区域。

• after 15 minutes of listening, scientists injected participants with a radioactive substance that binds to dopamine receptors.

  在15分钟的音乐体验后，科学家为参加者注射能依附多巴胺感受器的放射性物质。

• if most of their dopamine receptors were free, on the other hand, the radioactive substance would bind to them.

  从另一方面来说，如果大多数的巴多胺感受器处于空閑，那么放射性物质将会继续依附其上。

• a former kgb agent who died from poisoning reportedly had a radioactive substance in his body.

  中毒身亡的前苏联国家安全委员会（克格勃）特工被报道体内有放射性的物质。