英语释义

1. the pressure on a surface at which a flowing fluid is brought to rest in excess of the pressure on it when the fluid is not flowing

2. the quantity of air measured by most airspeed instruments and equal to the product 1/? ρV2 where ρ is the density of the air and V is the relative speed of the air

片语

Dynamic High Pressure Microfluidization动态超高压微射流

dynamic back pressure液阻

impulse dynamic water pressure沖击动水压力

Dynamic blood pressure动态血压

dynamic ultrahigh pressure technique[物]

dynamic pore pressure ratio动孔压比

dynamic low pressure seal动态低压密封

dynamic ice pressure动冰压力

earthquake dynamic earth pressure地震动土压力

kinetic pressure[流] 动压，动压力；动态压力

英汉例句

• the governing equations of dynamic pressure distribution, i. e. dynamic cone reynolds equations are derived. the calculating models of dynamic characteristics of cone plain bearing are given.

  针对精密机床主轴系统中应用广泛的圆锥形滑动轴承，建立起了动态压力分布控制方程——圆锥动态雷诺方程，给出了动特性系数计算的数学模型．。

• in this paper, a new dynamic correcting way based on the traditional dynamic pressure feedback for the rudder servo system is proposed.

  以传统的舵机伺服系统动压反馈回路为基础，介绍了一种新的伺服系统动态校正方法。

• this formula involves both the frictional force and the dynamic pressure of flowing water which act on the grains, so that it is more reasonable than others.

  该公式既考虑了水流作用于颗粒上的摩擦力，又考虑了水流作用于颗粒上的动水压力，比以往的计算公式推进了一步。

• the calculating method apparently lacks science and authenticity, so it is very important to confirm the dynamic pressure on the wall of silo for the practical project.

  显然，这种方法缺少科学性和真实性，故正确确定筒仓仓壁动态压力具有广泛的工程意义。

• it was found that the dynamic pressure ratio, the number of nozzle and nozzle spacing are significant variables.

  结果发现，动压比、喷嘴个数和喷嘴间距是三个重要变量。

• the results show that there is an obvious increase of relative velocity with the increase of flow flux, and the dynamic pressure distribution in impeller is more uniform under larger flux.

  结果表明随着流量的增加，叶轮内相对速度增大明显；叶轮内整体动压随流量增加而下降，动压在叶轮内的分布场为大流量比小流量更加均匀。

• in this paper, we built up the math model of this bearing by thinking of the dynamic effect and programmed to calculate the influence of the dynamic pressure effect to the hearing's performance.

  本文考虑动压效应，建立了针对该支承的数学模型，并就动压效应对支承性能的影响编制程序进行了数值计算。

• first, time replaced by altitude and dynamic pressure as the independent variable of nonlinear equations of motion, which make the trajectory shape correlative to dynamic pressure constrains.

  首先，将基于时间历程的质点动力学方程转化为基于高度剖面的质点动力学方程，同时利用动压代替速度，使轨迹形状直接和动压约束相关。

• the quasi dynamic pressure calibration system is a dynamic pressure generator, used in calibrating measuring device for the pressure in bore.

  準动态压力标定系统是用于膛压测量器材进行準动态标定的动态压力发生器。

• dynamic pressure sensors can measure a wide range of varying high intensity sound pressure and high level dynamic pressure events.

  该传感器可测量各种不同的高强度声压和高水準动态压力。

• in this paper, the crossing bars are generalized as a model at first, the dynamic pressure distribution, the velocity distribution and the bed shear stress are measured through flume experiments.

  本文首先对河流中的浅滩进行概化，通过水槽试验测出了浅滩上水流的动水压力分布、流速分布和床面剪应力沿程变化。

• the gas-seal is a kind of new non-contact seal which is developed on the basis of gaseous dynamic pressure bearing and is first being used on the centrifuge compressor.

  干气密封是从气体动压轴承的基础上发展起来的一种新型非接触式密封，它最初应用于离心式压缩机轴封。

• taking the dynamic pressure as an induction parameter, the measured data is induced to that a result with higher fitting degree is obtained, which has a better engineering practicability.

  利用动压作回归参数，对实测数据进行归纳，得到了较高拟合优度的结果，有较强的工程适用性。

• axial dynamic pressure of water jet under high confining pressure decreases faster than that does under no confining pressure;

  在高围压环境条件下的射流轴心动压力明显要比在非围压下的衰减快得多；

• the test results have proved that the system has the capability of testing the dynamic pressure distribution.

  文中叙述了系统的工作原理以及实验测试，测试结果证实了系统的动态压力分布测量能力。