1)  inside sliding bearing
内滑动
2)  intragranular gliding
颗粒内滑动
3)  inside sleeve
内滑套
1.
The actual production needs from oil field,aimed at tractor hoist that need replace pipe string and outside slippery jet pump that isn′t satisfied with discharge fracturing quickly in reality,a new type of jet pump inside sleeve type of jet pump is designed.
针对外滑套式射流泵在油田应用中不能满足压裂后快速排液的现况,研制出了一种新型的内滑套式射流泵,并提出了射流泵、喉嘴距、喉管长度、扩散管角度及长度的计算公式。
2.
Based on operation principle of jet pump and in consideration of the terrible work surroundings for conventional outside sleeve jet pump,a jet pump with inside sleeve has been developed,which integrates both fluid fracturing and discharging.
从射流泵的工作原理出发,针对外滑套射流泵在生产现场所面临的困境,提出新的解决方案,研制出能够满足压裂和排液一体化的内滑套式射流泵。
4)  inner sliding block
内滑块
1.
Design of injection mould with inner sliding block core-pulling in four directions for fastener cover;
扣盖内滑块四侧抽芯注射模设计
5)  Indoor skiing site
室内滑雪馆
6)  indoor ski dome
室内滑雪场
1.
The authors explain the design of indoor ski dome,discuss its patterns of refrigeration system,Air-conditioning system and snow-making system,and put forword the calculation method about heatload of the systems and the measurements for energy conservation.
介绍了人工室内滑雪场的设计 ,分析了人工滑雪场制冷系统、空调系统以及造雪系统的特点 ,论述了系统负荷计算的方法 ,提出了系统节能的措施。
参考词条
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。