quasi-spin group

The space effect of the two CH_3 group makesDCEDMA forming a quasi-reversible single electron process.

甲基的空间效应使DCEDMA形成准可逆的单电子过程。

The existence of carbonyl group in structure seems to be a factor that favors the formation of quasi-molecular ion ( QMI) or other adduct molecular ion ( OAMI) in positive mode.

化合物结构中羰基的存在似有利于化合物在正离子模式下形成准分子离子或其它分子加和离子。

The research method used for system assessment is quasi-experimental design. The experiment adopts nonequivalent-control group design.

本研究所利用系统评估的研究方法为准实验研究, 实验设计采不等组前测-后测设计.

Real-space renormalization group approach to quasi-periodic layered ferromagnetic/ supperlattices

准周期层状铁磁超晶格的实空间重整化群方法

The thesis adopted single factor, two level and equal group quasi-experimental research methods.

本研究采用的是“单因素两水平等组”准实验研究方法.