non disjunction

That ES cells maintain their undifferentiated state during culture is the prerequisite and basis of their application, and therefore it is necessary to elucidate the molecular mechanism.

ESC在体外培养过程中维持不分化状态是其应用的前提与基础,阐明这个分子机制非常必要。

A novel non-disperse additive NDA for high performance underwater concrete was developed in this paper.

研制出性能优良的新型混凝土水下不分散剂 NDA,利用 NDA配制出 C40高性能水下不分散混凝土 。

Youngs VOF (volume of fluid)algorithm is improved using unsplit interface propagation with its formulas deduced.

为提高有交界面流动问题的计算精度 ,通过引入不分裂的界面推进 ,对现有的 Youngs算法 (流体体积法的一种 )进行改进 ,推导其算法公式。

Based on the analyses on the systematic defect of the enterprises in northeast stated-owned forest region,we consider that enterprise management combining with government administration is the biggest obstacle to systematic reform of northeast stated-owned forest region,which solidify not only the self-enclosed mind and act,but also the pattern of interests.

在分析我国东北国有林区政企不分的制度缺陷的基础上,认为东北国有林区政企不分是国有林区的制度变迁的硬核,这个硬核不尽固化了一种自我封闭的思想意识,行为方式,同时也固化了一种利益格局。