能满足各类管道系统的管径需要。
Which can meet various needs of the diameter in pipeline system.
凝结换热系数随内管径的增大而减小。
The heat transfer coefficient increased with the inner tube diameter decreased.
单层衬里管道的管径及衬里厚度优化计算式。
Formula for calculating pipe diameter and lining thickness of pipelines with single lining.
管径选择是自体静脉移植术的基本问题之一。
Choosing the diameter is one of the basic problems of autogenous vein graft.
建议对调整后的管径进行验算，以减少误差。
Recommends to make checking computation after adjusting pipe diameter in order to reduce errors.
检测不同管径的管道时，仅需更换轨道模块。
When testing different diameter pipeline or vessel, the orbit module is changed only.
这是小管径、低流速系统测量方法上的一个突破。
We think this is an important break-through in testing lower flow velocity in tiny tube .
对于小管径管道，其通球难度要大于大管径管道。
For small diameter pipeline it is more difficult than for large diameter pipeline.
在MSCTU条件下，测量输尿管正常管径的大小。
管子长度要短，管径要合适，流速过高会损失能量。
The length of tube should be short and tube O. D. should be suitable.
通过计算分析表明，优选管径法可以取得良好的效果。
Analysis shows that with the method of optimized selection of pipe diameter, excellent effects have been acquired.
对枝状管网分配初始流量和初始压力降，从而初选管径。
For branch network, initial flow and initial pressure drop are distributed, and initial pipe diameters are selected.
通过水力学分析建立数学模型，求解最经济的管径参数。
Mathematical model is constructed by hydraulic analysis to evaluate the most economic pipeline diameter parameter.
且当管径愈大，流体粘度愈大，流速愈大时，效果愈明显。
The larger of pipe diameter, the higher of fluid viscosity and the quicker of flowing Telocity, the better effect will be shown.
分析参数有：倾斜角度、管径大小、气液比和摩阻系数等。
Analyses parameter have inclined Angle, pipe diameter size, gas liquid ratio and friction factor and so on.
纳米管阵列排列整齐，长度均一，彼此相互平行，管径均匀。
The PANINT arrays were ordered, they have an uniform diameter, and paralleled each other.
文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
由于管径小，工质流动速度快，可以不考虑管内两相工质间的相互作用。
Because of short diameter and fast flow of fluid, effect between the two-phase fluids can be ignored.
结合工程实例，讨论了重力流管道的管径计算方法，并编制了计算程序。
Calculation methods of pipe diameter of gravity flowed pipe is discussed in combination of engineering practices, and calculation program prepared.
通过实验研究了管径和气体入口条件对竖直管内淹没和流向反转的影响。
In this paper, the effects of diameter and air inlet on flooding and flow reverse have been studied by experiment.
用于保温隔热绝缘的阀体具有2英寸的加长管径，材质是铸铁或球墨铸铁。
For insulating the body with 2-inch longer diameter, material is cast iron or ductile iron.
结果表明，碳纳米管在石墨基底上的运动方式由手性角决定，与管径无关。
The results show that motion of carbon nanotubes is mainly affected by the chiral angle but independent of tube radius.
此外，有部分用户还随意水泵进、出管的管径，这些对扬程也有一定的影响。
In addition, some users can pump into the pipe diameter, which head will have an appreciable effect.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
分析了进气总管和进气支管的管长、管径以及进气腔容积对充气系数的影响规律。
The effects of intake chamber volume, diameter and length of inlet duct and inlet manifold on volumetric efficiency were analyzed.
其中，水力空化现象发生在很多场合，例如在有管径急剧变化的管道中和水力机械中。
Hydrodynamic cavitation occurs in many cases, such as in piping with diameter suddenly changed, and in waterpower mechanism.
根据管径大小，牵引机分别为二爪、三爪、四爪、六爪，切割机分别为锯片式或行星式。
According to diameters, it adopts two, three, four or six-jaw hauling machine and saw or planetary cutting machine.
而平台区由于设计管径仅为潮汐通道区的三分之一，其极限冲刷长度远小于潮汐通道区。
Because the pipeline diameter in platform is one third of that in tidal channel, so the limit scour length is less.
在管径恒定的情况下，加长真空管的长度是增加太阳能热水器总得热量的有效途径和方向！
In the case of constant pipe diameter, lengthening the length of vacuum tube is an effective way to increase the total heat of solar water heater!
通过试验发现：抽吸小管的不同管径、管壁质量，内腔不同管径是机械性溶血干扰的直接原因。
From experiments it is found that different diameters, wall qualities and inner diameters of syringes are the direct cause of mechanical hemolytic interference.
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