non-radioactive

常見例句

• 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(jì)數(shù)法等,非放分析方法主要有質(zhì)譜和發(fā)射光譜分析法等。
• Radioactive ray is material thing.
  放射線是實(shí)際的物質(zhì)。
• This non sequitur invalidates his argument.
  他不根據(jù)前提推理因而論証無(wú)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(gè)優(yōu)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(wèi)不受歡迎的使節(jié)。
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