Methods Sputum specimens of 1 051 cases of suspected pulmonary tuberculosis were simultaneously detected by smear preparations, collection of floating bacteria and ultrasound extraction.
方法1 051份疑似肺结核病人的痰液样品，同时应用涂片、漂浮集菌、超声萃取三种方法检测。
The cactus removed 98 per cent of bacteria within 15 minutes by clumping sediment and bacteria into small 'flocs' - clumps of particles floating in water - that could easily be filtered out.
仙人掌通过让沉淀物和细菌聚集成小的絮状物从而在15分钟内去除了98%的细菌，这些絮状物可以很容易地过滤掉。
The gelatinous, floating pancake is known as a SCOBY (for symbiotic colony of bacteria and yeast).
这种胶状物，漂浮的薄饼，称为SCOBY（细菌和酵母共生体）。
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