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1)  pipe diameter
管径
1.
Effect of flow rate and pipe diameter on flow thermodynamic property;
流速和管径对热力特性的影响
2.
Calculating the pressure drop and optimizing the pipe diameter of polymer waterflooding on offshore field
海上油田注聚沿程压降计算及管径优选
2)  diameter [英][daɪ'æmɪtə(r)]  [美][daɪ'æmətɚ]
管径
1.
CDFI study on correlation of perforating vein incompetence with clinical classification and the diameter of lower extremity varicose veins;
彩超对曲张静脉管径和交通静脉反流与临床分级的相关性研究
2.
Once the throughput, pipeline route and oil kinds are defined, the main factors, which influence the total cost of isothermal oil pipeline,are material,diameter and design pressure.
指出在管输油品、线路走向及输量等已定时,影响等温输油管道总费用的主要因素有管材、管径及操作压力。
3.
Methods 58 lumbar segments of the LTV collected from normal male cadavers were grouped according to their diameters.
0 % ;统计学分析表明 ,左睾丸静脉管径与瓣膜出现率以及末端开口瓣膜出现率之间不存在相关关系。
3)  Tube diameter
管径
1.
The lengths of the light tube that the transformer can drive are dependent on the tube diameters.
文中介绍了灯管等效电阻的概念及进行变压器匹配灯管管径、长度的设计选取。
2.
It emphasizes introducing the designing principle of water tube plane arrangement,vertical arrangement,tube diameter fixation and tube selection,and points out that it is far different from other municiple or factory design so it should be designed according to its characteristics.
着重介绍了住宅小区室外给排水管网平面布置、竖向布置、管径确定、管材选择的设计原则 ,指出住宅小区室外给排水管网设计与其他市政、厂区、设计差别较大 ,应针对其特点进行设计。
3.
Two groups of carbon nanotubes with different tube diameter and length supported PtRu catalysts (PtRu/CNTs) were prepared by an improved liquid phase reduction method.
以不同管径和管长的碳纳米管为载体,用一种改进的液相还原法合成了两组碳纳米管载PtRu催化剂(PtRu/CNTs)。
4)  Diameter of pipe
管径
1.
In this paper, the flow bounds approach and the technology & economy approach of computing the optimal diameter of pipe-irrigation system are presented on the basis of the properties of pipe-irrigation system itself.
基于管灌系统自身特点,通过借鉴给水管网管径计算的技术经济及界限流量思想,提出了管灌系统最优管径的技术经济法及界限流量法,并探讨了与这两种方法相关的管网系数的计算问题。
5)  pipe size
管径
1.
To determine the pipe size for condensing water is a common problem in the air conditioning system design.
针对中央空调系统中的冷凝水管径的正确选取是空调系统设计中普遍遇到的问题,提出了一种简明的计算方法,对于建设方在空调安装工程中降低初投资有一定的参考价值。
2.
The cost relationship between drain pipe size and buried depth is described.
通过对排水管道管径、埋深及造价之间关系的论述 ,提出合理确定设计管径及管道埋深是排水管网工程设计的首要问题及控制点技术措
6)  calibre [英]['kælɪbə(r)]  [美]['kæləbɚ]
管径,口径
补充资料:异径管
分子式:
分子量:
CAS号:

性质:又称大小头。化工管件之一,用于两种不同管径的联接(参见管件)。

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