Methods 5 bacterial liquids as positive controls were respectively added into atropine eye ointment and the relative recovery rates were determined.
方法在阿托品眼膏中加入5种阳性对照菌，测定其回收率，验证常规法测定阿托品眼膏中菌数方法的可靠性。
Skating is very interesting, and it is conducive to our health and learning, I and my friends are determined to like Xiao Li, as a positive exercise, take full advantage of a good ice-skating season.
滑冰是非常有趣的，它有利于我们的健康和学习，我和我的朋友决心要像小李那样，积极锻炼身体，充分利用好滑冰的季节。
About 5% of the cells were in the positive fraction and about 50% of these were CD271, as determined by flow cytometry.
约5%的细胞是在阳性的部分，而经流式细胞仪检测后，当中大约有50%是CD271。
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