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躰閃爍計數法等,非放分析方法主要有質譜和發射光譜分析法等。
Radioactive ray is material thing.
放射線是實際的物質。
This non sequitur invalidates his argument.
他不根據前提推理因而論証無傚。
Radium and uranium are radioactive elements.
鐳和鈾是放射性元素。
Patience is a sine qua non for a good teacher.
做個優秀教師必不可少的條件是要有耐心。
The diplomat was declared persona non grata.
這位外交家被宣佈爲不受歡迎的使節。