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1. BACKGROUND: Application of a topical anaesthetic agent may facilitate infiltration of local anaesthetic at haemorrhoidectomy.
    背景：在痔切除术中局部麻醉剂的应用可以促进局麻药的渗透。

2. anaesthetic agent的近义词

2. OBJECTIVES: To assess the effects of local anaesthetic agent wound infiltration/irrIgation and/or abdominal nerve blocks on post-caesarean section pain and the mother''s well being and interaction with her baby.
    目的：评价局部麻醉剂伤口浸润/冲洗和/或腹部神经阻滞对剖宫产术后疼痛及母亲健康和与婴儿相互关系的影响。

3. Propofol is a safer anaesthetic agent for surgery of headface tumor than ketamine.
    异丙酚静脉麻醉在头面部肿瘤手术中比氯安酮麻醉更为安全。

4. The chemical equation of DME is CH3OCH3, which belongs to aether family, but it is different from ether used as anaesthetic with low toxicity. It can dissolve all kind of chemical substance, and also can be used for spray agent, freezing agent and special fuel.
    一、项目简介：二甲醚的化学式是CH30CH3，是醚的同系物，但与用作麻醉剂的乙醚不一样，毒性极低；能溶解各种化学物质；由于加压时容易液化，可以用作喷雾剂、致冷剂及特殊燃料。

5. 公共查询·英语单词大全

5. OBJECTIVE and BACKGROUD: Propofol is a new intravenous anaesthetic hypnotic agent with fast onset and rapid recovery.
    目的与背景：异丙酚是一种起效快、苏醒快的新型静脉麻醉药。