网络人口倍增时间 网络释义 1. 人口倍增时间 经济学英语... ... 人口变成二倍之时间 Doubling time人口倍增时间Doubling time of population道琼平均值 Dow-Jones average ... www.scientrans.com|基于 1 个网页
The purpose of investigation was to determine the time of cell population doubling in monolayer cultures in account with the statistical optimum existing during calculation of homogeneous and independent particles in a counting chamber. The use of the statistical optimum enables operation with the mean ...
Question: The doubling time for a population with an annual percentage growth rate of 7.0 is: a. 1. b. 5. c. 10. d. 50. e. 100. Population Statistics: A population tends to increase in the presence of resources and other related factors; populati...
Doubling Time Definition One doubling time definition is the duration of time it takes for a population to grow when it is growing at a constant rate. A rate is the extent to which a certain parameter is changing over time (for example, the rate that X population grows is 22 specimens ...
At this rate, Pakistan's population will double in the next 30 years as compared to an average doubling time of 60 years for other South Asian countries. Provinces to frame population control policy Janssen also presented results of a population-based study of PSA doubling time in patients with...
It’s also used widely in physics and statistics, such as calculating the half-life of radioactive elements or the population growth of bacteria. Doubling time is also used in economics to estimate the value of currency, accounting for inflation, and measuring national GDP. ...
What is its growth rate (gr)?Population Growth Rate:The population growth rate is a numerical indicator that refers to the changes in the number of individuals in the population over time. Some examples of factors that influence population growth rates are migration and birth rates....
Scaling of G1 duration with population doubling time by a cyclin in Saccharomyces cerevisiaeA quantitative relation that defines the population doubling time (Td) as a function of the time eukaryotic cells spend in specific cell cycle ... HM Blank,M Callahan,IPE Pistikopoulos,... 被引量: 0...
2) PSA doubling time PSA倍增时间 3) Cell doubling time 细胞倍增时间 1. Cell doubling timein culture was calculated. 目的研究不同剂量X射线照射对EL 4淋巴瘤细胞周期进程及细胞倍增时间的影响。 4) population doubling time 群体倍增时间 1.
2) population doubling time 群体倍增时间 1. Growth curve,mitotic index,population doubling timewere used to compare their gr. 结论 人胚胎脑皮层神经干细胞体外培养存在生长速度慢 ,分裂相所占比例低 ,群体倍增时间长以及其生长需多种细胞因子的联合刺激等问题。