压力转换

基于PLC控制的水头差压力转换提水装置的设计

Design About the Water Lifts of Head Pressure Transition Based on PLC

水头差压力转换提水技术研究

Research on transforming head difference Pressure to water raising technique

液压系统的压力转换滞后现象及其防止措施

The delay of pressure switch in the hydraulic system and the precaution measures

液压变压器是在液压传动中能够实现压力转换的一种液压元件。

Hydraulic transformer is an important unit which can transform pressure in hydraulic transmission .

固体边壁上点面脉动压力转换的数学推导

Mathematic Derivation of the Conversion Between a Point Fluctuating Pressure and Surface Fluctuating Pressure on Solid Side

此外，系统本身刚性不足，也会引起压力转换滞后现象的产生。

Furthermore , the hydraulic system lacking of rigidity can also lead to the delay of pressure switch .

该传感器主要由压力转换接口、压力传输管路和压力感应部件三个部分组成。

The sensor consists of three central components , namely : interface for pressure conversion , pipelines for pressure transmission and components for pressure sensing .

使用压力转换型通气机时更易出现通气量的改变，故呼吸机使用的动态无效腔需要考虑。

Transformational pressure ventilator use is more likely when the change in ventilation , so the dynamic use of respirator dead space to be considered .

应该重视企业的经济动机，重视使用经济手段，引导企业将各种外部压力转换为履行环境责任的动力。

Enterprises should focus on economic motives , use economic means , and guiding enterprises to turn all kinds of external pressures to motivation of implementation of environmental responsibility .

及时维护、修复相关阀件，加强系统的刚度等是防止系统压力转换滞后现象出现的基本措施。

The timely maintenance and repair of the related valves , and promoting the rigidity of the system are the basic precaution measures to delay of pressure switch . In the hydraulic system .

本文报告高频正压人工呼吸在全麻小儿气管异物取出术中的应用，作者将YR-Ⅱ型压力转换呼吸器改装成自动喷射呼吸器。

This paper reports the application of the high-frequency positive pressure ( HFPPV ) to bronchoscopy under general anesthesia in children . A Tianjin YR - ⅱ ventilator was modified as a automatic jet ventilator .

井下数据采集器主要包括供电模块、压力A/D转换模块、倾角RS-485通信模块、液晶显示模块、FLASH存储模块、报警模块和CAN总线通信模块。

Underground data collector mainly including power supply module , A / D converter of pressure module , RS-485 communication of angle module , LCD module , FLASH memory module , alarm module and CAN bus communication module .

本文论证了要使不同的毛管压力曲线转换成同一条J（Sw）曲线的条件，即这些毛管压力曲线必须在单对数坐标系（lgPc&Sw）上相互平行或重合。

It is proved in this paper that the condition of merging different capillary pressure curves into the sigle J ( S_w ) curve is that these capillary pressure curves must be parallel or overlapped in the single-logarithmic coordinates ( lgP_c-S_w ) .

液压缸是液压系统中最广泛应用的一种液压执行元件。液压缸是将液压泵输出的压力能转换为机械能的执行元件，它主要是用来输出直线运动。

Hydraulic cylinders are one of the hydraulic action components , which are widely used to transfer hydraulic power produced by pump to mechanical power with the manner of straight movement .

特曼研究对象中的许多人在他们的成人阶段面临了许多艰难生活的挑战，包括参入第二次世界大战战争、离婚、工作压力和转换职业等。

Many of the subjects of the Terman Project faced difficult challenges in their adult lives , including bitter combat in World War II , divorces , stressful jobs , and career reversals .

实验研究了基于AlAs/InxGa1-xAs/GaAs共振隧穿二极管（RTD）的振荡器的压力-频率转换特性，实验结果表明：该特性具有良好的线性特征，且其线性灵敏度达到0.84kHz/MPa。

The Pressure-frequency transform characteristics of oscillator based on AlAs / In_xGa_ 1-x As / GaAs resonant tunneling diode ( RTD ) have been investigated . The experiment results show that the characteristic is linear and the linear sensitivity is up to 0.84KHz/MPa .

为避免额外压力，应转换成食用无麸质面粉。

Switch to gluten-free versions to avoid extra stress .

目的：通过探讨机械刺激对大鼠足三里穴筋膜组织成纤维细胞的压力信号生物转换作用，为腧穴感受刺激，防治疾病的现代医学生物学机制提供理论与实验依据。

Objective To provide some possible theoretical and experimental basis for the modern biomedical mechanism of receiving stimulation , preventing and treating diseases , by exploring the effects of pressure signal 's biological transformation of rat Zusanli ( ST 36 ) fascia tissue fibroblasts under mechanical stimulation .

甲烷压力对多级Stokes转换有显著影响：高气压利于产生高效的一级Stokes光，而低气压则适合于高级Stokes光的产生。

High-pressure CH_4 was good for highly efficient first Stokes conversion , while low-pressure CH_4 was suitable for higher order Stokes generation .

系统选用压阻应变式的压力传感器作为信号转换电路。

System choose piezoresistive-pressure sensor as signal transform circuit .

电阻触摸屏控制芯片将表征位置和压力的电压信号转换为数字量并传输给嵌入式程序，完成触觉定位功能。

The voltage representing the location and pressure is quantified and transferred to the embedded program by the resistance touch-screen controller .

论述了手写多媒体系统开发的全过程。电阻式压力板、A/D转换、驱动程序的设计和相应的应用程序的设计。

It is mainly introduced Development process of handwritten multimedia system , resistance pressure panel , A / D sensor , the program of drivers and application .

地面沉降自动化测控系统利用联通管原理，借助压力传感、数码转换等技术，实现动态实时监测与远程控制。

The automatic measurement system of land subsidence , according to the principle of united pipe and using pressure biography & numeral mode changing technology , Ras achieved dynamic real-time measurement and long-distance control .

采集到的氧气及压力信号经过模数转换后读入单片机，二氧化碳信号通过单片机的串行接口读入。

The signal of oxygen and gas pressure will be transformed by the analog-to-digital conversion and put it into the SCM . The signal of carbon dioxide is picked through the serial interface of the SCM .

建立了液位测量的数学模型，阐述了差动电容、热敏电阻的工作特性，推导出压力&电容的转换关系，为系统测量和标定提供了理论依据。

The mathematical model of measuring liquid level is established , the characteristics of differential capacitance and thermistor are conveyed , and the relationship between pressure and capacitance is deduced in the paper . The theory above is the basis of the system measurement and calibration .

在水力模型试验中，采用了自制的面压力量测装置，实现了点压力到面压力的转换。

In the hydraulic model experiment , with a homemade device , the pressure acting on an area is obtained from the pressure on a point .

本课题从分析气动测量的基础理论入手，研究气路系统的工作原理，用MPX5500DP扩散硅压力传感器将气体压力信号转换为电压信号，进而研制成功一种气电转换器。

In this paper , basic pneumatic-measuring theory and air circuit system working principle are introduced .

针对目前碳酸盐分析测定中存在的问题，作者根据气体与压力关系，压力与电信号转换关系等原理，自行设计和研制了JYC碳酸盐测定仪。

In the light of problems existed in carbonate analysis and measurements , JYC carbonate Analyzer is designed and developed , based on the principles of the relationships between gas and pressure ; pressure and electric signal conversion .

当适度升（贬）值压力状态向较强升值压力状态转换时，得出同样的结论。

And it is the same as when regime of moderate appreciation ( depreciate ) pressure transform to relatively appreciation pressure regime .

纤维缠绕压力容器的爆破压力与纤维强度转换率

The burst pressure of filament wound pressure vessels and the ratio of strength transfer of fiber