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1)  outer diameter
外径
1.
Interaction of measurement accuracy between outer diameter of tapered roller and its base face;
圆锥滚子测量时其外径与基面精度的相互影响
2.
Automatic Measurement and Control Instrument for Glass Tube Outer Diameter and Wall thickness;
玻管外径及壁厚自动测控仪器的研制
2)  Outside diameter
外径
1.
The characteristic of piping design is standardization and in series,and the standardization of the series of nominal diameter,outside diameter and thickness of pipe is the basis of the standardization of pipe fittings.
其中管道公称直径、外径和壁厚系列的标准化是管道元件标准化的基础。
2.
Use TCD2557D CCD device as the receive system, and design the drive system, then by use of PCI bus to realize the data communication with the computer, at the same time give the algorithm of shell outside diameter.
为了解决传统炮弹外径测量仪的低效、低精度、难于实现在线测量等问题,本文设计了一种利用线阵CCD和计算机系统实现对炮弹外径的无损非接触检测方法。
3.
Against the glass and its products on the outside diameter and wall thickness of the precise requirements of the technology of laser-based detection was developed to be non-destructive testing and multi-file sorting equipment,high precision,speed,accurate sorting.
针对玻璃管及其制品对外径及壁厚的精确要求,基于激光检测技术,研制能对其进行无损检测并实现多档分选的设备,精度高,速度快,分选准确。
3)  external diameter
外径
1.
By using this system, the non contacted on line automatic measurement on external diameters of hot rolled workpieces and the quality monitoring can be carried out under the mal condition.
该系统可在恶劣工况条件下实现对热轧件外径尺寸的非接触式在线自动测量及加工质量监控。
2.
Method for measuring a wall thickness and external diameter of glass tube simultaneously is introduced in this article.
提出了一种用激光同时测量玻璃管外径和壁厚的方法 。
3.
Methods: The internal and external diameters(ID & ED) of the dorsalis pedis artery on 60 feet of 31 cadavers were measured under a stereoscopic microscope with an eyepiece micrometer.
方法:用体视显微镜分组测量31具尸体60侧足背动脉近端、中点和远端的内、外径
4)  outside diameter
外径外径外直径
5)  diameter/outer diameter
内径/外径
6)  outside diameter
外径外直径
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