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- During those hours radioactive xenon gas built up in the reactor. 在这几个小时中，放射性气体氙在反应堆中聚集增多。
- Since the advent of nuclear power generation, huge amounts of radioactive xenon 135, krypton 85 and other inert gases that nuclear plants generate have been released into the atmosphere. 由于核能发电的盛行，大量的放射性氙135、氪85和其它由核能电厂所产生的惰性气体，都被排放到大气层中。
- The radioactive methods for determining 129 I are mainly NNA and liquid scintillation counting, while the non radioactive ones are mass spectrometry, atomic emission spectrometry, etc. 涉及的放化分析方法主要有中子活化和液体闪烁计数法等,非放分析方法主要有质谱和发射光谱分析法等。
- Radioactive ray is material thing. 放射线是实际的物质。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- radioactive Xenon 放射性氙
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- non radioactive isotope 非放射性同位素
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Our first surprise was the location of the xenon. 第一个令我们惊讶的是氙的位置。
- This mixture satisfies the xenon problem. 这种混合水解决了氙含量的问题。
- A naturally occurring or artificially produced radioactive element. 放射性元素自然产生或人为制造的放射性元素
- A radioactive compound used in radiotherapy or diagnosis. 放射性药剂一种用于放射性治疗或诊断的放射性化合物
- The immediate product of the radioactive decay of an element. 继承元素某种元素放射性衰变的直接产物
