selective-preferential type

Dexmedetomidine is a new type of high selective α 2-adrenergic receptor agonists, which has sedative, analgesic and anxiolytic effects, can maintain hemodynamic stability, has no respiratory depression, amnesia after surgery and son on.

右美托咪定是一种新型、高选择性α2肾上腺素能受体激动剂，具有镇静镇痛、抗焦虑、稳定血流动力学、无呼吸抑制、术后遗忘等作用。

The fluorescent and colorimetric identification of sensors A-F for the common alkali metals, alkaline earth metals, transition metals and heavy metals were tested, it was found that this type of sensors has a good selective recognition ability for Fe+.

通过探针A-F对常见的碱金属，碱土金属，过渡金属及重金属的荧光和比色识别实验发现，这一类探针对Fe3+具有优异的特定选择性识别能力。

As bronchodilators, new type selective anticholinergics play an important role in the treatment of COPD.

新型选择性抗胆碱能药物作为支气管扩张剂在COPD治疗中发挥了重要的作用。

It showed selective killing effect on acute non-lymphatic leukemia cells type M, but no significant killing effect on M1 type cells and Hela cells.

该偶合物保持了抗体和药物活性，对急非淋M2型白血病靶细胞有选择性杀伤作用，而对急非淋M1型白血病细胞和Hela细胞无明显杀伤作用。

Correlation analysis of type A influenza virus genetic variation characteristic with survival selective pressure

甲型流感病毒基因变异与生存选择压力相关性分析