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 -> 内胆总成
1)  inner pipe assembly
内胆总成
1.
The mechanical structure of the automatic welding machine for double circular gap welding of the inner pipe assembly in an electric heater is introduced in this paper,its working process and PLC control system are described in detai
简要介绍电热水器内胆总成双环缝自动焊机的机械结构后,详细介绍了其工作流程及PLC控制系统。
2)  choledochal inner pressure
胆总管内压
1.
Perform endoscopic sphincterotomy (EST) partly with endoscopic papillary balloon dilatation (EPBD), we had treated 108 cases of choledecholithiasis, at the same time, measured the choledochal inner pressure and observed whether there is biliary passage counter current using barium meal examination to determine the function of papillary musc.
方法应用十二指肠镜行十二指肠乳头括约肌部分切开(endoscopicshincterotomy,EST)并气囊扩张(endo-scopicpapillaryballoondilatation,EPBD)治疗胆总管结石108例,同时进行胆总管内压的测定,钡餐透视,观察有无胆道逆流情况,以鉴定乳头括约肌功能。
3)  bladder forming
球内胆成形
1.
Leather ball production process including rubber mixing, leather, perforation, sticky ball-end, bladder forming, vulcanization, inspection, friction spun yarn, stick a skin, printing brand pattern, visual inspection, packaging and warehousing, such as more than ten procedure, some of which procedure a higher degree of mechanization, but some still labor-intensive process.
皮制球生产过程包括炼胶、制皮、穿孔、粘球头、球内胆成形、硫化、检验、缠纱、贴皮、打印图案商标、外观检验,包装入库等十多道工序,其中部分工序机械化程度较高,但有些工序主要由工人手工完成。
4)  inner plate assembly
内板总成
5)  inside head assembly
内盖总成
6)  Adult congenital choledochalcyst
成人胆总管囊肿
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