压力线

曲线梁预应力钢筋重心线的保压力线变换

Transformation of center of gravity of steel preserving pressure line in plane-curved Prestressed Girder Bridges

选择薄壳拱的轴线与压力线相吻合，拱内应力主要由压应力控制。

The axis of thin shell arch is selected coincidence with the pressure line , the stress inside the arch is controled by pressure stress .

对调整压力线拱及其设计方法的讨论

Discussion Discussion on " Arch Axis Adjustment and its Method of Design "

八字形刚架拱桥的压力线控制区研究

Research on the Control Area of Pressure Line of Eight-Shaped Rigid-Frame Arch Bridge

采用压力线的概念进行转换设计探讨

The line of pressure in the structural transfer design

水汽多线光声光谱中压力线位移及加宽系数的分析

The Analysis of Pressure Shifting and Broadening Coefficients from Multiple line Photoacoustic Spectra of Water Vapor

拱轴线与恒载压力线偏离所产生的弹性压缩内力计算

The Calculation of Elastic Compressive Internal Force for Arch Axis Inclining the Dead Load Compression Line

本工作从水汽的多线光声光谱中分析得到压力线位移和加宽系数。

The pressure shifting and broadening coefficients of water vapor were obtained from the photoacoustic spectra with multiple lines .

这些起着支撑线和压力线作用的切线一旦被突破，就是我们采取行动的信号。

Once these tangents which play the role of support and resistance are broken , it is an action signal .

获得波后流场的等压力线、等密度线、等马赫线和圆锥表面的压力系数，确定了锥激波的几何位置。

Pressure contours , density contours , Mach number contours and pressure coefficient on the cone are obtained . Conical shock wave position is geometrically determined .

利用无铰拱在单位荷载作用下的轨迹线规律，把无铰拱在任意荷载作用下的压力线采用简易的图解法作图。

This article introduces a simple graphical method of drawing the pressure line of the arch without articulation under any load according to the regularity of the arch without articulation under unit load .

最后，给出了两个详细的工程算例，算例结果表明文中所提出算法较好的减少了拱轴线与压力线的偏差，改善了拱圈的受力状态。

At last , tow instances of practical engineering work are given , and the results show that the arithmetic brought forward in this paper reduces the biased error between arch bridge axis and pressure line , and improves the state of bending of arch rib .

本文提出多工况条件下拱轴外形的优化准则及该准则意义下构造最优拱轴线的一类方法&多工况压力线法。

This paper presents the optimal criterion oi the arch centre line outline under loading conditions of multi-groups of the load combination , and a type of method on constructing optimal arch centre line under the criterion significance-the pressure line method to multi-groups of the load combination as well .

本文通过建立多孔配水管水流的微分方程，推导出计算压力线的无量纲公式，并给出了三种压力分布型式的判别条件，从而为多孔管配水均匀度提供可靠的理论计算方法。

The dimensionless formulae of water head curve was deduced by establishing fluid differential function of perforated pipe and three categories of conditions to discriminate the water head distribution were given , so a theoretical method to calculate the distributive uniformity of perforated pipe with best reliability can be made .

然后利用Newman乘积法给出了不同地层条件下，水平井压力的线源解。

Line source solutions of horizontal well pressure in different reservoir conditions are presented with Newman arithmetic product method .

连接差速压力开关线至组合阀。

Connect differential pressure switch wire to the combination valve .

绘出了流场压力等值线、密度等值线和马赫数等值线图，得到了清晰的波系。

Pressure contours , density contours and mach contours are drawn and shown clear flow structure .

正常压力趋势线的建立

The Establishment of Normal Pressure Trendline

挡土墙任意位移时土压力的线弹性广义变分解

Linear Elastic Solution of the Soil Pressure on an Arbitrarily Displaced Retaining Wall by Generalized Variation Principle

计算沉降过程线和孔隙压力过程线与现场实测值接近。

The calculated settlements and pore water pressures agree well with the values obtained from the field measurement .

本文还提出了一种压力零线的修正方法，给出了示功图分析应用的几个实例。

In this paper , a correctional method of pressure zero line is proposed and some practical examples of the analysis and application of indicator diagrams are introduced .

抽取不同时间子步的流场和结构场结果，得到了这些时间子步的压力等值线和流速流线图。

The flow field and the structure field results in different time steps are abstracted . The pressure contours and the velocity streamlines in these time steps are got .

此外，用具有自动转换开关的压电石英传感器测量了低压示功图，为确定压电示功图的压力零线提供了可靠的依据。

In addition , the piezo-electric quartz sensor with automatic clipper adaptor is used to measure low pressure indicator diagram . It provides reliable basis to ascertain the pressure zero baseline .

通过对轮腔内以及车身底部的压力等值线和涡量等流场特性的分析，得出随着辐板上开孔个数和面积的增加车轮的气动阻力和汽车总气动阻力系数的变化规律。

By analyzing flow field characteristics in wheel cavities and underbody , results demonstrated that aerodynamic drag coefficients of the wheel and the whole car change as the number and area of holes increases .

结果表明：还原产品可代替废钢，通过线性回归分析，提出影响还原产品金属化率各因素的次序：温度→附碳量→压力→线速。

The results prove-that the reduction products could take the place of steel scrap . The sequence of factors that influenced the metalization rate of the reducing products is discussed respectively by means of linear regression .

在非控制性呼吸模式中，可应用脉冲法，测定吸气时的流速和压力上升线的斜率比，反映胸肺顺应性。

Comparison of the compliance measurement by occlusion method and pulse method showed the ratio of pressure increasing slop and inspiratory velocity was well paralled to the static compliance by the end inspiratory occlusion , which may be easily used in the uncontrolled ventilation mode .

计算了空气弹簧系统的垂向刚度，并分析了气体压力和帘线角对垂向刚度的影响。

The vertical stiffness of the air spring system was calculated , and the effects of air pressure and cord angle on it were analyzed .

从空气弹簧在不同的初始压力、帘线角度和帘线层数出发，讨论空气弹簧在这些参数变化时对空气弹簧垂直刚度特性的影响。

The effects of the different inner pressures , fabric angles and fabric layers in the analysis of static characteristic to the vertical stiffness are considered .

本文从弹流角度分析了修形前后线载荷分布及最大压力沿接触线的变化规律。

In this paper , the varying rules of the linear load distribution and the largest stress along the contacting lines are analyzed based on the EHL theory .

在一般情况下，孔隙水压力随着水位线的下降而下降，它与水位线的高度成正比关系。

In the ordinary course of events , the pore water pressure decreases as the water level declines , it is proportional to the height of water level .