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After preparing 3 subcultures, the population doubling time of each cell line was determined. 在34个翼状赘肉中只有17个能够培养出纤维母细胞。
Meanwhile it is suggested that bFGF and EGF can promote the BMSCs proliferation and shorten population doubling time and BDNF and RA is able to increase the expression of the special antigen of mature nerve cell and glia cell; bFGF和EGF能在体外促进BMSCs增殖，缩短群体倍增时间，BDNF和RA能诱导BMSCs来源的神经干细胞成神经元样和神经胶质细胞样细胞，并表达相应的细胞标记物(NeuN或GFAP);
population doubling time 人口成倍(增长)时间
Doubling time of these cells were estimated about 30 hours and cell cycle analysis revealed that the majority of cells (over 80 percents) stood in G0-G1 phase while a small population of cells was in (S+G2+M) phase. 细胞周期分析表明80%25以上的细胞都处于G0~G1期。流式细胞检测表明这些细胞表达CD13、CD29、CD44、CD90、CD105和CD166等MSCs标志物。
However, in another book, I found a graph showing yeast cell population growth and specific gravity plotted against time. 然而,在另一本书,我发现一个图表显示人口增长与酵母细胞比重密谋对付时间。
Objective To determine whether fumonisin B1(FB1) affects the doubling time of cell strain from cultured human colon adenocarcinoma(Caco 2),and to probe the possible mechanism that FB1 induced cancer. 目的观测伏马菌素B1(FB1)对培养细胞倍增时间的影响,探讨FB1诱发肿瘤的可能机理。
The population doubled within 50 years. 人口五十年内翻了一翻。
The repetition of a theme in notes of usually double time value. 主题延长，增音以通常音符两倍的时间来重复主旋律
Compares with non-small cell lung cancer,small cell lung cancer (SCLC) generally has a more rapid doubling time,a higher growth fraction,and earlier development of widespread metastases. 与非小细胞肺癌相比较,小细胞肺癌具有更快的肿瘤倍增时间、快速生长以及易于早期转移的特点。
Compares with non-small cell lung cancer, small cell lung cancer (SCLC) generally has a more rapid doubling time, a higher growth fraction, and earlier development of widespread metastases. 摘要与非小细胞肺癌相比较，小细胞肺癌具有更快的肿瘤倍增时间、快速生长以及易于早期转移的特点。
If you pay me double time, I will do it. 如果付我双倍,我就加。
Cells from the third passage were collected in both separation methods.The growth curves were drawn with time as abscissa and cell population as ordinate. 两种分离方法均取生长良好的第3代细胞，以时间为横坐标，细胞数为纵坐标，绘制生长曲线。
If you pay me double time, I'll do it. 如果你付我双倍的工资,我就去做。
The doubling time of cells obviously increased and the regression coefficient of in vitro cell growth curve decreased significantly at 1.3323 dpm/cell-DNA. 示踪量为1.;3323dpm/cell-DNA时;体外生长曲线的斜率明显下降;T_D值显著增加;
METHODS: WI 38 cells were divided into 4 groups and randomly added with different concentrations of Rg1. From 30 population doubling (PD), WI 38 cells were exposed to t BHP for 1 h at every two PDs. 方法 :将WI 38细胞随机分为 4组 ,用不同剂量Rg1预处理。从 30代开始 ,隔代用t BHP作用 ,每次 1h ,共 4次 ,诱导细胞衰老。
Biomarkers of replicative senescence were assess in this model. The averages of life span of IMR 90 under NG,LG and HG culture conditions were 55 0,58 3 and 47 2 population doubling levels(PDL),respectively. 低、正常和高浓度葡萄糖培养条件组IMR 90细胞平均寿限分别为 5 8 3、5 5 0和 4 7 2PDL(群体倍增水平 ) .
The cell population significantly increased in the G0/G1 phase from 51.72% to 61.63% and decreased in the S phase from 34.92% to 10.85% after rapamycin treatment. 细胞周期分析显示;雷帕霉素(20ng/ml)作用后;G0/G1期细胞较对照组增多(由51.;72%25增加到61
They have the longest doubling time of myxobacteria, up to 16 h, and very few genetic tools are available. 而且堆囊菌的菌株特性，也在一定程度上增加了其遗传操作的难度。
It can determine the expression of many genes in a single cell simultaneously and help to characterize the diverse cell population like dorsal root ganglion DRG neurons. 利用此技术，在同一颗细胞中可以了解很多基因的表现，如此可以更了解单一细胞的特性。
However, the limited use of tourniquets for orthopedic and vascular surgeries have been reported to be without significant sequelae in the sickle cell population (4). 然而，在镰状细胞病患者行矫形外科和血管外科手术时，有限制的使用止血带并未发现产生有意义的后遗症[4]。