Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
| 单词 | total sample |
| 释义 |
total sample
英语例句库
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used. 采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
原声例句
可汗学院：统计学（视频版） So you would expect-- one would expect-- that 21% of your total, based on the total sample right over here, that our best guess is that 21% percent should be getting sick and 79% should not be getting sick. 所以你会期望——人们会期望——你总数的 21%，基于这里的总样本，我们最好的猜测是 21% 的人应该生病， 79% 的人不应该生病。 |
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