The micro-pressure wave is similar to the aeronautical sonic boom and caused serious environmental damages.
在隧道出口处，产生一种叫做微气压波的压力脉冲，并造成环境问题。
Several train nose shapes lately developed in Japan to reduce micro-pressure waves during high speed running are described.
基于减小列车高速运行时所产生的微气压波，介绍了日本新开发的几种车头形状。
The utility model provides a micro-pressure pressure valve with simple structure, easy use and the ability for effectively confirming the free pressure adjustment under an ideal state.
本实用新型提供一种结构简单、使用方便、能有效保障在理想 状态下随意调节压力的微压压力阀。
Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.
利用地面和车载测试系统，对列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车风、隧道口微气压波和隧道壁面振动加速度等参数进行测试。
Filling method USES a new type of micro-pressure filling, so filling faster and more stable, so the machine with the same specifications of this machine compared to higher yields, greater efficiency.
灌装方式采用了新型的微压灌装，使灌装速度更快更稳定，所以与同规格的机器相比本机的产量更高，效益更大。
Like Yao, most movie stars or singers have resisted the pressure to make their micro blogs too commercial, so the pr companies have to think of other ways of getting their message across.
多数影星和歌星也都跟姚晨一样，反对自己的微博被过度商业化，因此公关公司不得不另辟蹊径进行推销。
Based on the piezoresistive effect, large or small deflection theory, thin film's stress theory and other mechanics or electricity knowledge, a piezoresistive micro pressure sensor is designed.
利用压阻效应、大(小)挠度理论、膜的应力形变等力学、电学知识设计了一种压阻式微压力传感器。
The results show that the system is reliable, and it can be widely used in the fields of vessel pressure test and auto test of micro-scale voltage.
实验结果证明，该系统稳定可靠，对压力容器的应力及其它微伏级电压信号的自动测试具有推广借鉴价值。
The introduction of micro pressure sensor array expands ways detecting boundary layer separation point.
微型压力传感器阵列的引入，拓宽了边界层分离点检测的解决途径。
In view oi the problems existing in the silicon micro pressure sensors, this paper proposes the chemical etching techniques and the selective etching processes to control diaphragm thickness.
并针对硅微压传感元件研制中存在的问题，提出采用化学腐蚀技术，选择性腐蚀工艺控制膜厚。
Fluid pressure forming and micro molding technic are expatiated and summarized, including principle, characteristic, current situation, problem and the developing trend in plastic molding field.
对塑性成形领域中的流体压力成形和微成形技术工艺的原理、特点、研究现状、存在的问题和今后的发展趋势进行了阐述和总结。
A new technology of airspeed meter of micro air vehicle based on micro difference pressure senso, micro amplifier and DSP is introduced.
介绍了一种采用微差压传感器、微型放大器、微功耗数字信号处理器(DSP)设计的新型微型飞行器空速计。
Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
First, the influences of inlet pressure variations on micro nozzle's performance are obtained by analyzing the variations of various flow parameters in micro nozzle accordingly.
首先，考虑变化压力，分析微喷管流场各项参数的变化，得出其对微喷管性能的影响。
The parametric study demonstrates that substantial hydrostatic pressure can be produced on the seal face with partial micro-pores.
研究表明在部分密封端面上加工微孔可有效增大端面静压。
The theory and experimental results for the formation of micro-spherical cluster of carbon atoms obtained by high Dynamic pressure method are described in this paper.
本文简要报导了采用二级轻气炮产生的动态超高压来合成微球形碳原子团簇的理论分析与初步实验结果。
A pressure relief valve from the main valve, pressure relief / holding pressure pilot valve needle valve, ball valve, micro shaped filter and pressure gauge hydraulic control over the system.
进口持压泄压阀由主阀、泄压/持压导阀针阀、 、球阀、微形过滤器和压力表组成水力控制接管系统。
Therefore, "tufts" — built-in micro cracks — absorb pressure in unison to prevent splits and major fractures.
因此，成簇形状（内置微裂纹）可吸收压力一致预防小的裂缝和大的碎裂。
Results of the research and experiments in this paper are beneficial to deign and fabrication of micro pressure sensors. The micro machining technology can also be used for other MEMS products.
论文的相关研究和实验结果对于微压力传感器的设计、制作具有一定的参考价值，微加工工艺的相关研究结论也可以应用在其它微机电器件的制作上。
A testing system for micro air pressure semiconductor sensor is constructed.
组建了一套用于半导体微气压传感器的测试系统。
A piezoresistive micro pressure transducer fitted on the top of the chamber is used to measure the pressure pulsations in the micropump chamber.
采用安装在泵腔上的压阻式微型压力传感器完成微泵泵腔压力脉动测试。
The deactivation kinetics for the vapor-phase disproportionation of toluene over mordenite catalyst has been studied by using a combined unit of micro-reactor under pressure and gas chromatography.
本文采用加压微反-包谱-数据处理机联合装置研究了在丝光沸石催化剂上甲苯歧化反应的失活动力学。
The working principle and working wave shape of the vacuum micro electronic pressure sensor is described.
阐述了真空微电子压力传感器阵列的工作原理和工作波形。
This paper presents the designing theory of a circular E-type silicon micro pressure sensor.
本文介绍了圆形膜片E型杯硅微压传感元件的设计原理。
This design proposal of micro pressure sensor array can effectively meeting the measuring requirement of boundary - layer separation point, and expand engineering applied scope of MEMS devices.
设计的微型压力传感器阵列可有效满足边界层分离点的检测要求，进一步拓展了MEMS器件的工程应用范围。
The mechanical property and electricity property of the vacuum micro electronic pressure sensor is studied and relevant computation and simulation are carried out.
研究了真空微电子压力传感器的力学和电学特性、传感器结构及相应的计算与模拟。
In this paper, the air-leakage detector to sealing devices is introduced, which controlled by microchip system, used micro differential pressure principle.
文中介绍了利用微差压原理，采用单片机进行控制，用于密封器件检测的气密性检测仪。
The purpose of cement bond log (CBL) under increasing borehole pressure is to differentiate micro annulus from bypass channel.
在井内加压下进行水泥胶结测井带压作业，其目的是将微环空与串槽区分开。
The purpose of cement bond log (CBL) under increasing borehole pressure is to differentiate micro annulus from bypass channel.
在井内加压下进行水泥胶结测井带压作业，其目的是将微环空与串槽区分开。
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