压力波

各向同性介质中地震压力波的格子Boltzmann模拟

Lattice Boltzmann model for multi-seismic resources pressure wave in isotropic medium

系统中采用GPS技术进行同步采集，并利用小波分析技术捕捉压力波的拐点，提高了泄漏检测灵敏度和定位精度。

The system adopted GPS synchronizing technique and wavelet transform for getting the featured inflection point of pressure wave , which improve detection sensitivity and location precision .

给出一种新的用于模拟地震压力波的格子Boltzmann模型。

In this paper , we propose a new lattice Boltzmann model for simulating the seismic pressure wave .

目的探讨强压力波对血管内皮细胞及血管平滑肌细胞释放内皮素（ET）、一氧化氮（NO）的影响。

Aim To investigate the effect of strong pressure wave on vascular endothelium and smooth muscle cells in releasing endothelin 1 ( ET 1 ) and nitric oxide ( NO ) .

目的：探讨高速枪弹伤时产生的强压力波对血管内皮细胞内皮素（ET－1）的释放及基因表达的影响。

Aim : To investigate the changes in an release and gene expression of Endothelin ( ET 1 ) from endothelium affected by a stronger pressure wave after high velocity bullet wounds .

用Fourier积分研究压力波的谱结构，建立起连续谱中的最大振幅与最大压力的实验关系曲线。

It then studies the spectrum structure , of pressure waves with the aid of Fourier Integrals , and establishes the experimental relationship between the maximum amplitude of continuous spectrum and the maximum pressure .

应用左房压力波传递时间（A－Ar间期）和一些其他参数评价28例心肌梗塞伴室壁瘤和51例心肌梗塞无室壁瘤患者的舒张功能。

Twenty eight patients with myocardial infarction complicated aneurysm and 51 patients with simple myocardial infarction were evaluated using transit time of the left atrial pressure wave ( A Ar interval ) .

在对Fluent软件进行二次开发的基础上，对磁悬浮列车穿越隧道引起的压力波进行了三维数值模拟，得出了隧道内的压力波时程曲线。

Based on the second development of the Fluent software , the pressure waves curve is obtained by simulating pressure waves introduced by magnetically levitated train passing through a tunnel .

当气云受半径为300mm的障碍物约束时，爆炸等级能达到6级.可见障碍物对爆燃压力波的影响是显著的。

Nevertheless it can reach to 6.It is concluded that the effect of obstruction to over-pressure is prominent .

本文介绍一种在用特征线法计算排气管内压力波时，模件式脉冲转换器（简称MPC）边界的计算模型。

This paper suggests a mathematical model of boundary conditions for simulating modular pulse convertor ( MPC ) when characteristic method is used to calculate pressure wave in exhaust pipes .

已发现高速投射物（HighVelocityProjectile，HVP）压力波可致培养的内皮细胞等损伤。

It was known that the pressure waves derived from high velocity projectiles can in-jure the cultured endothelium .

利用Wigner-Ville分布算法对液-汽两相流状态下的四冲程柴油机喷油系统中的压力波的时频特性进行了研究。

Wigner-Ville distribution was used to study the time-frequency characteristics of pressure wave in fuel injection system of a four-stroke diesel engine under condition of liquid-gas tow-phase flow .

对低于C-J燃速以恒定速度传播的火焰产生的压力波直接用数值方法求解有困难。

It 's difficult to do numerical simulation to solve pressure waves generated by steady flames whose speeds are less than corresponding C-J deflagration speeds .

在不同温度下，用密闭爆发试验和30mm火炮试验测定了装药的燃烧性能、膛内压力波和物理稳定性。

The burning properties , chamber pressure wave and physical stability of the charge at different temperatures were characterized by close bomb test and 30 mm gun shooting test .

目的为探讨压力波的致聋机理，对豚鼠耳蜗血管纹（SV）、毛细胞（HC）中心钠素免疫活性（ANP-IR）的改变及与听阈阈移的相关性进行研究。

Objective In order to investigate the effects of shock wave on atrial natriuretic peptides immunoreactivity in the stria vascularis and hair cells of cochlear and correlation of auditory threshold shift , to study the mechanism of deafness caused by blast trauma .

火焰第一次接触管道侧壁面时所触发的压力波是变形Tulip火焰传播过程中火焰前锋急剧减速和周期性振荡现象的直接原因，并对变形Tulip火焰的形成具有重要作用。

The pressure wave triggered by the first contact of the flame with the side walls is responsible for the periodic deceleration of the flame front and plays an important role in the formation of the distorted tulip flame .

应用开发出的ESCS系统分别对二冲程发动机及四冲程发动机的排气净化系统进行模拟计算，分析进、排气管中压力波对发动机动力性能的影响。

Exhaust system can be respectively calculated in two-stroke and four-stroke engines by the developed ESCS system for application . It can also analyze the pressure wave in the intake pipe and exhaust pipe which infect on engine dynamical performance .

采用地面充压进气，在工作频率30～50Hz的工况下研究PDE爆震管内的压力波特性。

Under the condition of filling air by compressor and at the operating frequency of PDE from 30 Hz to 50 Hz , the pressure time history was recorded by five pressure transducers , and the characteristic of pressure wave was studied .

从一维非定常守恒方程出发，本文用RichtmyerLaxWendroff格式研究了压缩波、稀疏波、燃烧速率、火焰熄灭和管道长度对管内运动火焰生成压力波的影响。

One dimensional unsteady equations and Richtmyer Lax Wendroff scheme were used to study the influences of compression and rarefaction waves , combustion speed , flame out and length of tube to the pressure waves generated by steady propagating flames .

阐述胶济线CRH2型动车组列车交会空气压力波实车测试情况，对测试结果进行详细分析，并将实车试验结果与数值模拟计算结果进行比较。

The real train test on air pressure pulses generated in passing of CRH2 EMU trains on the Qingdao-Jinan Railway Line has been made , and the results have been analyzed in details .

流量传感器选用了有两对光敏管的HY-2型红外线传感器，与正反转判断程序相结合，避免了单缸脉冲回油压力波的干扰，提高了数据采集的精度。

Flux sensor selects HY-2 type infrared sensor and relates the positive and negative judgement program , which may avoid the bad influence of returning oil pressure wave and improve the test precision of the sensor collecting data at the same time .

放大器的滤波频率和数采系统采样频率对空气压力波的测试结果均有较大影响，应采用带低通的应变放大器，滤波频率以100Hz为宜；

The filter and the sampling frequencies have evident influence on the results of measuring air pressure pulse , so the strain gauge magnifier with the low-pass , and whose filter frequency 100 Hz is supposed to be adopted for measuring crossing air pressure pulse of real train test .

枪弹压力波损伤内皮细胞的膜信号机制

Signal transduction of pressure wave injured endothelial cells after bullet impact

膛内压力波的实验研究及动力学模拟

Experimental Studies and Dynamics Modeling on the Pressure Waves in Guns

垂直上升管内泡状流压力波传播

Propagation of Pressure Wave for Bubbly Flow in Vertical Upward Tube

管道发生水击时的水击压力波对管道的危害非常严重。

Pressure wave of water hammer produces serious hazard for pipeline .

压力波在可变形薄壁水管中的传播

Propagation of Compressive Waves along Water Pipe with Deformable Thin Wall

用于固体介质中空间电荷的压电压力波法与电声脉冲法

Piezo-PWP and PEA methods for measuring space charge in solid dielectric

列车交会空气压力波测量的影响因素

Influential Factors of Measuring Air Pressure Pulse Produced by Passing Trains

甩负荷工况下蒸汽管道内压力波计算

Calculation of Pressure Wave Inside the Steam Line With Turbine Trip