When cultured in vitro, PDMSC3 attached to the dish and grew with a doubling time of 46 hours.

在体外培养时，PDMSC3呈现贴附生长的特性，族群增倍时间约为46小时。

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In the present study, the effect of X rays on el 4 cell doubling time and cell cycle progression were investigated.

目的研究不同剂量X射线照射对EL4淋巴瘤细胞周期进程及细胞倍增时间的影响。

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Compared with negative control group, the doubling time of both positive control group and experimental groups was prolonged.

与阴性对照组比较，阳性对照组和实验组细胞群体倍增时间增加。

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Some will be growing very rapidly, some will be growing less rapidly, and what this equation shows you here or that rate of growth the to the doubling time of cells.

有些会生长得更快些,有的慢一些,而这个方程告诉你,即生长的速率和细胞倍增的时间联系起来

耶鲁公开课 - 生物医学工程探索课程节选

In a non-linear problem, the most relevant number for projecting sea level rise is the doubling time for the rate of mass loss.

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Hansen suggested that a 10-year doubling time was plausible, pointing out that such a doubling time from a base of 1 mm per year ice sheet contribution to sea level in the decade 2005-2015 would lead to a cumulative 5-metre sea-level rise by 2095.

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In order to reduce the danger of a potential terrorist attack using biological agents, it is necessary to detect rapidly and precisely the deadly microorganisms before they can spread--the average doubling time of a bacterial population is a little over 20 minutes at room temperature.

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