常用的试验方法为静水试压,即:向封闭的管段充水,然后把管段升压至规定压力,检查是否泄漏。
A common approach is hydrostatic testing-filling a closed pipeline section with water, then pressurizing the line to a specified pressure to check for leaks.
用气管段酚红法研究其祛痰作用。
Tracheal phenol red test was conducted to investigate the effect of phlegm expelling.
沉砂口直管段是水力旋流器的一个重要构件。
The straight tube of spigot is an important structural parameter of hydrocyclone.
方法采用二氧化硫刺激法和气管段酚红法进行试验。
METHODS method of coughing stimulated by sulphur dioxide and method of phenol red were used.
引起垂直管段压损变化的主要因素是输送煤粉浓度。
Distinctly, a key factor affecting the pressure drops for vertical pipe is the concentration of conveyed pulverized coal.
针对实验管段,分别建立入口直管和弯管的网格模型。
For the experimental pipe sections, grid models of the entrance straight section and the bend section are established respectively.
考虑液态排渣炉在增加负荷期间上部管段的操作条件。
Consider the operating conditions of the above tube sections during loading of a liquid slag removal boiler.
为了直观了解设计管网的信息,系统建立了相应的管段信息库。
In order to design an intuitive understanding of the information network, the system set up a database of pipe sections.
沉管隧道工程中的管段为大体积混凝土构件,结构形式较为复杂。
The pipe section of the immersed tunnel is the large-volume concrete structure, which is complicated in the structure shape.
实验管段部分可拆卸,以实现对常见管材不同管径的减阻效果研究。
Parts of the pipes are dismountable so that we could investigate the drag-reduction effect of different pipe diameters.
介绍了四川北半环输气干线停输更换漏气管段方案实施过程及步骤。
The scenario on replacing the leaked gas pipeline and its implementation for north-loop line located at Sichuan is introduced.
同时将隔震管段应变值与跨断层埋地管道的应变值进行了比较分析。
In the same time, the strain of seismic isolation pipe segment is compared with the strain of buried pipe across the fault.
详细介绍了PCCP限制性管段止推设计和铠装接头水压试验的情况。
This paper introduces in detail the thrust design and armored joint hydraulic test for PCCP restricted tubulation.
采用正反分析法建立了天然气管网管段阻抗系数优化反演的数学模型。
A pipe hydraulic resistance coefficient model for natural gas pipeline network is established based on positive and negative analytic approach.
在格拉成品油管道上对局部管段进行了FLOXS减阻剂的应用试验。
Application test of FLOXS drag reducer in partial section of Gela Oil Product Pipeline has been carried out.
本文提出了船闸输水系统鹅颈管段的水流特性及阻力系数的试验结果。
This paper presents the experimental results of the flow characteristics and head loss coefficients of gooseneck section in lock filling and emptying systems.
分析了地基动弹模、地基抗力系数的变化对管段接头力学性能的影响。
It is shown that the change of dynamic modulus of elasticity and modulus of resistance of ground may affect the dynamic property of the tunnel joint.
本文提出的支管优化设计的图解法,可用于两种管径的管段组成的支管设计。
In this paper is presented a diagram method of optimal design for sprinkler lateral, by which can be designed the laterals with two diameters.
水下穿越管线采用全断面沟埋敷设于河床稳定层内,确保了穿越管段的安全。
The under water pipelines were laid into the stable bed by ditch burying of full cross-sectional area to ensure the safety of underwater pipelines.
在对汽车尾气系统进行建模时,把尾气系统分为尾气管段和催化转化器两部分。
When the automobile exhaust system is modeled, the exhaust system is divided into two parts-the exhaust pipe and the catalytic converter.
目的探讨经鼻内镜下视神经减压术治疗管段视神经损伤的可行性、技巧及优点。
Objective: To investigate the feasibility, techniques and advantages of the treatment of optic nerve injury by intranasal endoscopic surgery.
结果显示,烟气流经换热器内部,在管子弯头处较直管段处容易出现低温腐蚀。
The result shows that when flue gas flow through the heat exchanger, the elbow part of pipe is easier to suffer low temperature corrosion than the straight part.
同时根据二叉树的前序遍历结果匹配血管段,有效地提高了匹配的速度和准确度。
Vessel segments in two images are matched by the preorder traversal of the binary trees, and the method is proved fast and accurate.
并用非线性方法和特征值方法对结构稳定性进行分析,得出直管段的稳定临界载荷。
By using the method of eigenvalue analysis and nonlinear analysis, the structure stability was analyzed, and the critical load of straight pipe was, then, obtained.
文中计算了直管段的四极参数及膨胀腔的传递损失,并与一维理论结果进行了比较。
The four-pole parameters of a straight duct and transmission loss of an expansion chamber have been calculated and compared with the results obtained by means of one-dimensional theory.
研究X80实物弯管得出,其直管段有比弯曲段低的回火稳定性和优良的强韧特性。
The testing results of X80 pipeline bends show that the tangent end has lower temper stability and more excellent strength-toughness than bent region.
在排水管路上设一小迂回管段,可防止外界空气进入蒸发器内并有利于冷凝水排出。
A short passage of return pipe on the water discharge pipe may be placed to prevent outside air into evaporator and facilitate the outflow of condensate.
通过解节点方程组的方法求解管网的管段流量和节点水压,并编制了相应的应用程序。
We can get the flow rate of pipelines and the hydraulic pressure of nodes by solving the equation sets of nodes, and corresponding application program is developed.
对反应堆失水事故条件下热管段内的两相流逆向流动过程进行了实验研究和理论分析。
Two phase countercurrent flow in reactor hot leg at loss of coolant accident is studied by experiment and analysis.
这一检测方法的特点在于,它仅与观测点之间的管段有关,而与结构的其他部分无关。
The characteristics of this method are that it is only related to the pipe between the points, and is not related to the other part of the structure.
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