根据监控数据显示,今年伦敦市空气粉尘浓度第36次达到危险临界值,成为了欧洲污染最严重的城市之一。
The City of London has been found to be one of the most polluted places in Europe after monitoring equipment recorded dangerous levels of minute particles for the 36th time this year.
血液学。血球浓度测定。第1部分:采血、试样制备、生物影响因素、干扰因素。
Haematology - Determination of the concentration of blood corpuscles in blood - Part 1: blood collection, sample preparation, biological influence factors, interference factors.
在培养后第21天及第28天时,培养液中三种神经营养因子的浓度都显著增加。
Concentrations of the three neurotrophic factors in the culture medium significantly increased 21 and 28 days after the cells were cultured.
If you did that what would happen is you would see antibody levels rise even more sharply than before.
如果这么做,会发生什么,与第一次接种相比,抗体浓度急剧上升
One is there's no lag period, notice that antibody levels start rising right away after the second exposure.
第一是没有迟滞期,请注意,抗体浓度迅速上升,在第二次接触抗原时
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