beta activity造句

• Nuclear energy - measurement of environmental radioactivity - water - measurement of global beta activity index in terms of strontium 90 and yttrium 90 equivalent in low salted water
  核能.环境放射性的测量.水.根据低盐水中的锶90和钇90当量测量总的活性指数
• Nuclear energy - measurement of radioactivity in the environment - water - part 2 : measurement of strontium 90 activity in water - organic solvent extraction of yttrium 90 and measurement of beta activity
  核能.环境中放射性的测量.水.第2部分:水中锶90放射性测定.钇90的有机溶剂萃取和放射性的测量
• Nuclear energy - measurement of radioactivity in the environment - water - part 1 : measurement of strontium 90 activity in water - radiochemical separation of strontium by nitric acid and measurement of yttrium 90 beta activity
  核能.环境中放射性的测量.水.第1部分:水中锶90放射性测定.用硝酸对锶进行放射化学分离和钇90放射性的测量
• Nuclear energy - measurement of radioactivity in the environment - water - part 3 : measurement of strontium 90 activity in water - radiochemical separation of strontium by extraction with " ethers crown " resin and measurement of beta activity
  核能.环境中辐射性的测量.水.第3部分:水中锶90放射性的测量.通过" ethers crown "树脂萃取进行锶的放射化学分离和放射性的测量
• At ping chau in mirs bay to continuously monitor the environmental radiation . the 15 - minute averaged gross alpha and gross beta activity concentrations , the 10 - minute iodine - 131 activity concentrations , as well as the 2 - hour gamma spectrometry analysis data are automatically telemetered to the central station at the hko headquarters
  当中包括每十五分钟平均的总阿尔法及总贝他活度浓度、每十分钟平均的碘- 131活度浓度，以及每两小时的伽马谱法分析资料。