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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。
- population doubling time 人口成倍(增长)时间
- 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);
- 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。
- 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
- If you pay me double time, I will do it. 如果付我双倍,我就加。
- If you pay me double time, I'll do it. 如果你付我双倍的工资,我就去做。
- 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。
- 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。
- Cord blood adherent cells display fibroblast-like or spindle shape,and their reproductive cycle: G_0/G_1was 85.12%, the doubling time was 48 hours. 脐血贴壁细胞呈长梭形、针形或三角形;增殖周期G0/G1为85.;12%25;倍增时间为48h。
- 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 ) .
- Small-cell bronchogenic carcinoma is known to have distinct biological and clinical behavior, manifested by a rapid doubling time in vitro. 小细胞肺癌在临床上的表现有相当典型的特徵，且生长快速。
- 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;
- Thirty inches at quick marching time or36 at double time. 快步快速前进时每步30英寸或用双倍时间每步36英寸
- The frenzied economic growth that saw the state's population double between 1990 and 2007 has reversed. 自1990年到2007年，该州经济高速增长，人口增倍，然而这种趋势已经扭转。
- For more general application the double time lag model should be used. 对于更一般的应用，应当采用双肘滞模型。
- During 1984 the number of towns meeting the new urban criteria increased more than twofold, and the urban town population doubled. 在1984年，一些城镇举行新的城市的标准增加两倍以上，城市城镇人口翻了一番。
- 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。
- According to consumption rate models of energy sources, we estimate accumulative consumption of resources, doubling time, maximum consumption rate and the time of maximum consumption rate. 通过建立能源消费的模型,估算几种矿物资源累积消费和倍增时间、最大消费率及达到的时间。
