说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 耳蜗内镜
1)  Cochlear micro-endoscope
耳蜗内镜
2)  endocochlear
耳蜗内的
3)  Otoendoscope
耳内镜
1.
Ossicular reconstruction operated by otoendoscope;
耳内镜在听骨链重建术中的应用
2.
[Objective] To evaluate the efficacy and safety of otoendoscope-assisted transtympanic methylprednisolone injection for intractable idiopathic sudden sensorineural hearing loss (SSNHL).
目的研究耳内镜辅助下鼓室内注射甲强龙治疗难治性突发性耳聋的有效性与安全性。
4)  Ear endoscope
耳内镜
1.
Methods A retrospective method was adopted to study 786 cases of outpatients treated under ear endoscope,of which 270 cases were cerumen plugging,137 cases were external auditory canal cholesteatoma,300 cases were foreign bodies in external acoustic meatus,and 79 cases were external acoustic meatus neoformation.
目的探讨耳内镜在门诊外耳道疾病治疗中的应用价值。
5)  oto-endoscope
耳内镜
1.
Objective In order to explore the effect of oto-endoscope on aural media operation.
目的探讨耳内镜在鼓室成形术中的作用。
6)  endotoscope
耳内镜
1.
Grommet insertion under endotoscope combined with nasoendoscopic surgery in treatment of secretory otitis media in children;
耳内镜下鼓膜置管术结合鼻内镜手术治疗儿童分泌性中耳炎
2.
Application of endotoscope in outpatients of Otology Department
耳内镜在耳科门诊的应用
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条