non-radioactive

常见例句

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。