17、瓶颈效应(the bottleneck effect): 某些环境灾难性变化,使种群大小急剧减少,由于偶然性,在存活个体中,有的等位基因会 过量表达,而有的则表达不充分,还有一...
基于8个网页-相关网页
The relations between the photolysis frequency and the dissociation threshold and between the bottleneck effect and the molecular structure have been discussed.
对瓶颈效应与分子结构之间的关系及解离阈值与激发频率之间的关系也作了简单的讨论。
Objective To study the effect of the preparation of blood composition "bottleneck", and eliminate the bottleneck effect on blood component preparation process influence.
目的探讨影响血液成分制备的“ 瓶颈效应”,以及消除“瓶颈效应”对血液成分制备过程的影响。
But owing to the bottleneck effect of amount and structure of human capital, there has been structural contradiction between regional industrial structure and human capital in Yibin.
由于人力资本总量与结构的瓶颈效应,导致目前宜宾的区域产业结构与人力资本存在结构性矛盾。
应用推荐