In some patients with complicated and severe strictures, intrahepatic biliary stenting and flushing by U tube after biliary plasty procedure were employed for 3~6 months.
其中病变复杂、狭窄严重的病例,经胆管狭窄整形修复、肝肠吻合口内置U管支架引流,术后3~6个月拔除。
The presentation of usage of liquid column manometer. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
主要介绍了液柱压力计的正确使用方法和误差分析。给出了U 型管压力计和双管差压计的测量精度。
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
叙述了液柱式压力计的精度,对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
A part that operates by sliding, as the U-shaped section of tube on a trombone that is moved to produce various tones.
型滑管:靠滑动操作的部分,如长号上u型的管子部分,拉动它可以产生各种声调。
The cracking causes of a U shaped tube heat exchanger were analysed in material compositions, microstructure, properties with the help of optional microscope and SEM.
借助光学和扫描电子显微镜,从材料成分、微观组织和性能角度,分析了U形管换热器开裂原因。
This paper studied the influence on instabilities of U type tube with different placement experimentally and theoretically.
从实验和理论两方面研究了不同布置方式对加热U型管不稳定性的影响。
If transported with on-load tap changer, the tap changer compartment shall be connected with main body by U-shaped tube.
凡带有载开关运输的,应将开关油室用U 形管与本体连通。
This model can be used to analyze thermal-hydraulic transient behaviour of inverted U-tube steam generators in PWR power plants.
该模型可用于分析压水堆核电厂U型管自然循环式蒸汽发生器的热工水力瞬态过程。
The supplier shall furnish at least two complete U-tube Quality Certificate and Test Data Reports according to the requirements of SA688/SA688M S3.
供货方在交货时应向订购方提供至少二份完整的钢管质量合格证书和试验数据报告,要求按SA688/SA688MS3的规定。
The electrical heating tube is made of U shaped steel tube, sintered magnesia and heating wire. It is immersed directly in the water for preventing heat loss.
电热管用U型钢管,烧结氧化镁和电热丝制成,直接浸在水里热能损耗少。
An instrument used to measure pressure. A manometer consists of a U-shaped tube partially filled with a liquid that can vary in specific gravity from 1.0 (water) to 13.57 (mercury).
测量压力所用的一种仪器,压力计由部分装有相对密度在1.0(水)至13.57(汞)范围内的液体的U形管组成。
Vertical heat exchanger is mainly divided into single U-tube heat exchanger and double U-tube heat exchanger.
垂直U型管换热器主要分为两种:单u型管换热器和双u型管换热器。
The percussion hammer consists of a percussion hammer body, a percussion hammer head, percussion hammer handles, an illumination light tube, a scaled rule, a U disk and a knife which are integrated.
本发明由叩诊锤主干,叩诊锤头、叩诊锤柄,照明灯筒、量尺、U盘和小刀组成为一体;
Analyses the effect of U-tube diameter, tube quantity in each hole, and the design inlet water temperature of a heat pump unit on the heat exchange capability.
分析了U形管管径、单孔内u形管数量及热泵机组设计进水温度对换热器换热效果的影响。
It showed that because of the existence of the counter-current vessels, the cooling effect of internal tissue surrounded by U-shaped tube was more evident.
由于并行逆流血管的存在,流动对U型管所包围的组织的冷却效果明显。
Ground heat exchanger is an important component of the ground Coupled heat Pump (GCHP) system and a single U-tube is the most common type of ground heat exchanger.
地下换热器是地源热泵系统重要的组成部分,单u型管是当前广泛使用的地下换热器形式。
The ground heat exchanger is an important component of the ground Coupled heat Pump (GCHP) and the U-tube is most commonly used ground heat exchanger.
地下换热器是地源热泵的重要组成部分,竖直u型管是最常见的地下换热器形式。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验,以确保管接头及管不泄漏。
This paper analyzed the energy consumption of a system in operation status——the double U-tubes vertically buried tube ground-source heat pump system in an air force station of Chongqing.
基于重庆市某空军场站的双U管竖埋式土壤源热泵系统工程,对该系统冬季变工况下的运行能耗进行了分析。
The design and research of the paper has certain reference value to shell-and-tube heat exchanger especially U-tube heat exchanger engineering design.
本文的设计与研究对于管壳式换热器尤其是U形管式换热器的工程设计具有一定的参考价值。
Because the bender handle interferes with the opposite side of the tube, the 'u' bar may resemble a pretzel.
由于弯管机处理管干扰了对方的'u '栏可能类似于一个椒盐卷饼。
The device has these features that temperature acquisition, accurate heating time, timely cooling etc; it provides the high level automation device to steel U-tube solution treatment.
装置具有温度采集、加热时间准确、及时冷却等优点,为不锈钢u形管固溶处理提供了自动化水平比较高的设备。
For natural circulation, it is shown that parallel flow in the tubes of vertically inverted U-tube team generator (UTSG) can be non-uniform, and reverse flow occurs within some tubes.
自然循环条件下,立式倒u型管蒸汽发生器(UTSG)并联倒u型传热管内存在非均匀流动,部分传热管出现倒流。
Base on several common U-tube heat transfer models of ground source heat pump, this paper proposes a transient heat transfer model for single U-tube vertical heat exchanger.
介绍了几种常见土壤源热泵u型埋管换热器传热模型,建立了单u型垂直埋管换热器的非稳态传热模型。
This paper provides a method to determine the length of vertical U-tube exchanger based on BIN method calculating building load.
本文在利用温度频率法分析建筑冷热负荷的基础上给出了确定垂直U型埋管地下换热器长度的方法。
The oscillatory flow in an U-tube is measured using LDA.
本文介绍LDA用于测量U形水槽内的振荡流。
The U-tube method is recognized as a standard for industrial routine estimations.
形管方法被公认为日常工业鉴定的标准方法。
The dynamic response of the U-tube flow manometer is analyzed in the paper. Firslyt, the simplified mathematical model of the U-tube flow manometer is established.
对U形管流体压强计的动态特性进行分析,首先建立了U形管流体压强计的简化数学模型。
The dynamic response of the U-tube flow manometer is analyzed in the paper. Firslyt, the simplified mathematical model of the U-tube flow manometer is established.
对U形管流体压强计的动态特性进行分析,首先建立了U形管流体压强计的简化数学模型。
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