Methods Human umbilical cord blood hematopoietic cells were irradiated with copper vapour laser and cultured in vitro. The number of colony and cells was calculated.

方法用铜蒸气激光照射人脐带血造血细胞，体外培养扩增细胞并计数集落细胞数。

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The optimal medium for the growth of lactics was chosen by detecting the number, size of colony and the size of calcium dissolving zone when the bacteria grew in different solid and semisolid medium.

文中通过检测乳酸菌在不同固体和半固体培养基中的菌落数、菌落大小及溶钙圈大小，以筛选出乳酸菌生长的最佳培养基。

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Results The bacterial species in each sample were the same as that of colon contents. The bacteria-colony number of each sample in the experimental group was lower than that in control(P<0.01).

结果：标本中生长的细菌与大肠内容物培养细菌种类相同，实验组标本的菌落数少于对照组（P<0，01）。

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Dr Brunton looked at the number of chicks fledged per nest in the colony she was observing and discovered that, contrary to the selfish-herd theory's predictions, pairs breeding near the edge of the colony were more successful than those at its centre.

ECONOMIST: Animal behaviour