treated seeds

equivalent and nonequivalent of hybrid orbitals

杂化轨道的等性与不等性

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.

The results on exchange adsorption between aluminium and manganous ion in red soils were shown: These two ions expressed both chemical behaviours according to the universal rules of ion exchange and quite distinct characteristics of nonequivalent exchange.

对具有水解性质的铝、锰离子对交换吸附研究的结果是，两种离子既表现了离子交换的一般化学行为，又有明显的非等当量交换和非电性吸附的特征；

How many nonequivalent 10-digit numbers are there?

有多少不等价的十位数?

Layout forms of irrigation canal system can be generally classified as three categories: series-wound canal system, equivalent shunt-wound canal system and nonequivalent shunt-wound canal system.

文摘：灌溉渠系的布置形式一般可分为串联渠系、等效并联渠系和非等效并联渠系，对这3种灌溉渠系水利用系数进行了理论研究。

probe into the nonequivalent exchange in the international market

国际市场的不等价交换初探