Based on the research results of experts,sets out from momentum,and analyses the momentum change of liquid and solids,and puts forward calculation models of settling slurry velocity distribution and friction loss in vertical pipeline.
在前人研究的基础上,从动量角度出发,研究液体及固体颗粒速度的变化,推导出浆体垂直管道速度分布和摩阻损失的求解模型。
Study on the Friction Loss of Hydraulic Lifting Large Solid Particles in Vertical Pipeline;
垂直管道大径固体颗粒水力提升摩阻损失的研究
On the various water fraction conditions, the flow patterns characteristics of bubble and slug regime at W/O and O/W case were studied in vertical upward tube.
本文采用空气／油水乳状液为介质，在不同含水率下，得到垂直上升管内W／O和O／W状态下泡状流及弹状流的流型特征、用压降脉动法判别流型的判据，同时研究了含水率对流型转换的影响，并建立了流型转换的预测模型，模型计算值与实验结果符合良好。
Study on the Φ(θ) Coefficient of Added Resistance When Slurry Accerlerying in Vertical Pipeline;
垂直管道内沉降性浆体加速时附加阻力系数Φ（θ）的研究
Study on the Friction Loss of Hydraulic Lifting Large Solid Particles in Vertical Pipeline;
垂直管道大径固体颗粒水力提升摩阻损失的研究
Study on Cryogenic Slug Flow and Dynamic Flow Characteristics in Vertical Pipes
垂直管道低温汽—液两相流动弹状流流型及动态特性的研究
vertical channel fet
垂直沟道场效应晶体管
Cut tube end square. Ream, burr and size.
垂直切割管道。刮除毛刺，测量尺寸。
Sweep flame around tube in short strokes up and down at right angles to run of tube.
垂直环绕着管道上下来回短促扫着火焰。
Research on Longitudinal Mechanical Characteristics of Pipelines Buried in Soft Soil under Vertical Loads;
垂直荷载作用下埋地管道的纵向力学性状分析
Numericl Simulation of Vertical Earth Pressure on the Top of Rectangle Ditch-buried Pipes
沟埋式管道垂直土压力的数值模拟分析
"1. Cut tube end square. Ream, Burr and size."
1. 先沿着垂直方向切割管道,并修整、去除毛刺,测量管径。
"1. Cut tube end square. Ream, Burr and size."
先沿着垂直方向切割管道,并修整、去除毛刺,测量管径。
transistor vertical deflection circuit
晶体管垂直偏转电路
Globe pattern stop-check valves can be used in horizontal piperuns with the stem straight up.
截止阀类型的节流止回阀可以用在水平管道上，阀杆垂直向上。
vertical judder
垂直位移;垂直投影的不稳定性;(显象管上图象)垂直位置不稳定
Cut tube end square to exact length needed, so that tube will enter valve socket all the way to the shoulder. Ream, burr and file.
根据所需长度垂直切割管道，使得管道能够完全进入到阀门插口的肩部。刮除毛刺，进行锉磨。
During the hydraulic conveying of solids-water mixtures in horizontal and vertical pipes, the specific pressure drop of the mixtures is relative to volumetric concentration of solids.
水力管道输送中，无论水平管还是垂直管，混合液的单位压降均同颗粒的体积浓度有关。
Something vertical, as a line, plane, or circle.
垂直物垂直的东西，比如垂直线，垂直面或垂直圆
Make sure to cut pipe keeping the cut plane perpendicular to the axle.
切割管子时要使面与管轴保持垂直。
Integrally cast body ribs, running parallel and perpendicular to the pipe axis, impart additional strength for high pressure conditions, thermal and pipe loads.
整体铸造阀体翼肋，与管路轴线平行和垂直，增加了阀体强度，适用于高压环境、温和管道负载。