倍增时间是有重要临床价值的方法。通过比较两次影像检查时结节体积变化来计算肿瘤生长速度。倍增时间是指结节体积增加一倍所需的时间。过去采用胸部X线片和CT直接测定肺结节的径线,将数据带入体积计算公式V=л/6×ab2,倍增时间VDT=t×log2/log(Vt/V0),而求得结节肿瘤倍增时间。基于胸部X线片结节径线测定而计算的肿瘤体积较CT(特别是HRCT)径线测定准确性差。
倍增时间 [微] doubling time ; population doubling time ; doubling time doubling time ; double time
燃料倍增时间 doubling time ; fuel-doubling time
群体倍增时间 [细胞] population doubling time ; population double time
指数倍增时间 exponential doubling time
倍增时间测量计 doubling time meter
潜在倍增时间 Potential Doubling Time ; Tpot potertial doubling time
反应堆倍增时间 reactor doubling time
肿瘤倍增时间 tumor doubling time ; doubling time of tumor
细胞倍增时间 cell doubling time
代时或倍增时间 generation time
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世界人口数量急剧增长,人口倍增时间大为缩短。
World population increases sharply and double time shortens greatly.
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。
Compared with negative control group, the doubling time of both positive control group and experimental groups was prolonged.
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。
In the present study, the effect of X rays on el 4 cell doubling time and cell cycle progression were investigated.
How long does it take for the population of cells to double?
一组细胞的倍增时间是多久呢
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
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