Relative pressure

In order to evaluate the pressure contribution consistency of the contact surface , the concept of the relative pressure difference percentage is put forward . The quantitative analysis of the pressure distribution is achieved .

提出了相对压强差百分比的概念，对调平后接触面压力分布一致性进行评价，实现了压力分布的定量分析。

Analysis for linear fitting results in the experiment of relative pressure coefficient

相对压力系数实验直线拟合的结果分析

Research on Intelligent Relative Pressure Instrument

智能真空压力表的技术研究

Relative Pressure of Buffer Room for Clean Rooms

洁净空调系统之缓冲房间的相对压力

According to positive or negative relative pressure in powder material vessels . A novel sensor is designed .

文中介绍的传感器是针对粉料容器中气体压力而设计的。

The calculation of average relative pressure losses of suction and discharge of piston type refrigeration compressor

活塞式制冷压缩机吸排气平均相对压力损失计算

But when the relative pressure pass 0.9 , MWNTs samples adsorption capabilities is shown better and goes beyond that of active carbon .

但是当相对压力超过0.9后，多壁碳纳米管样品的吸附能力显示更加良好，并且超过活性炭。

According to positive or negative relative pressure in powder material vessel ( e.g.inside the dust hopper of dust precipitator ), a new sensor is designed .

根据灰料容器中（如除尘器灰斗内）气体压力为正压或负压的特点，研制出一种灰位传感器。

The adsorptive capacity of ACFs correlates mainly with the specific surface area and porous structure , moreover , the adsorption at different relative pressure matches with different pore size distribution .

ACFs的吸附性能主要取决于比表面积和孔隙结构，在不同相对压力下的吸附行为对应不同的孔隙结构。

Adsorption and desorption isotherms of N2 were measured in the relative pressure range of 0 . 001-1 using NOVA 3 000 ( Quantachrome Instruments ) .

氮吸附一脱附等温线利用康塔公司NOVA3000在相对压力0.001-1范围内测定。

Optimization of suction and discharge plenum chambers of reciprocation compressors in heat pump systems the calculation of average relative pressure losses of suction and discharge of piston type refrigeration compressor

热泵压缩机进、排气腔容积的优化研究活塞式制冷压缩机吸排气平均相对压力损失计算

The results showed that : when the volume of the sample tube is less than 15cm ~ 3 , the effect of thermal diffusion can be neglected in the range of BET relative pressure .

结果表明：当样品管容积小于15cm~3时，在BET相对压力范围内热扩散效应可以忽略；

Research shows that there is a minimum error value in the range of 0.05p / p ~ 00.35 when using the single point method . Furthermore , the relative pressure under this minimum value varies according to different matters .

研究发现，采用单点BET方法测量比表面积时，在0.05p/p00.35范围内单点法与多点法相对误差有一极小值，而这一极小值所对应的相对压力值大小随材料而异。

The distributions of internal flow field parameters of biconical throttling device and shuttle-shaped throttling device are calculated using numerical simulation method . The influenced degrees and trends of the geometry structure parameters on the discharge coefficient and relative pressure loss are predicted .

利用数值仿真方法得到了双锥节流装置和梭形节流装置内部流场参数分布，分别预测了它们的结构尺寸对流出系数与相对压力损失的影响程度和趋势。

The first discovered low pressure hysteresis at relative pressure below 0.4 is assigned to the capillary condensation in the mesoporous channels , whereas the hysteresis near saturation pressure is assigned to the capillary condensation in the mesopores between aggregates of the molecular sieve .

在相对压力0.4以前出现的第一个滞后环可归属于中孔孔道内的毛细凝聚，在饱和压力附近出现的第二个滞后环可归属于分子筛颗粒之间的毛细凝聚。

This indicates that as long as the proper relative pressure and enough free water molecules , in static state , the point of the same water adsorbed under two different drying states can be found in the montmorillonite after dehydration , called " equal binding energy " adsorption point .

说明蒙脱土脱水后，只要相对压力适当，自由水分子足够多，在静止状态下，可以找到一个2种不同烘干状态后吸附相同结合水的点，称之为等结合能吸附点。

The Starter Current-Based Device for Measuring the Relative Compression Pressure of Engine

基于起动电流测量发动机相对压缩压力的装置研究

Based on the concept of relative static pressure , a new mathematical model has been set up to analyze the solar chimney power plant systems .

基于相对压力概念，建立了太阳能热气流电站系统的新数学模型，并通过数值模拟得到系统内的相对压力分布。

The relation is an index one between the relative air pressure and the relative diameter of ventilation hole at the initial section of level tunnel .

水平旋流洞起始断面的相对真空度与相对通气孔直径的关系为指数关系；

At the age of 14 & 28 d , shrinkage mainly due to moisture loss from the smaller pores which have lower relative vapor pressure ;

测压传感器的相对动态校准14～28d，主要是相对蒸汽压较小且孔径较小的孔失水导致收缩；

Through using multi-frequency theory to analyze the noise of the tail rotor , the relative sound pressure variable law is calculated according to the variation of scissors angle .

本文通过利用多频调制方法对尾桨噪声进行理论分析，得出相对声压值随剪刀变化的规律；

The results are shown as follows : 1 . When the relative vapor pressure reached to 72-75 % , capillary moisture condensation began to appear in the tested soil .

结果表明：（1）供试土壤在相对水气压达72&75%时，开始明显呈现出毛管凝聚作用；

The drying shrinkage processes are as follows : at the age of 3 & 14 d , shrinkage mainly due to moisture loss from the bigger pores which have higher relative vapor pressure ;

提出了高C3S水泥系统的干燥收缩过程假设：3～14d，主要是相对蒸汽压较高且孔径较大的孔失水导致收缩；

A more comprehensive model is advanced to evaluate the performance of the solar chimney power plant system , in which the effects of various parameters on the relative static pressure , driving force , power output and efficiency have been further investigated .

提出了一个更完善的模型以衡量太阳能热气流发电系统的性能，进一步考虑了太阳辐射和几何参数对系统相对压力、抽力、输出功率以及效率的影响。

When zeolites adsorb water from vapour phase at relative vapour pressure below 0.85 , the isotherms of adsorption and desorption on the same specimen are nearly the same or coincide with each other .

沸石从气相中吸附水在相对压力低于0.85时，吸附-脱附等温线近似或完全重合。

The calculation results show that the proposed model can be used to describe the adsorption isotherms of water on the adsorbents in the relative vapor pressure range from 0 to 1 and the difference between the desorption isotherm and the adsorption isotherm is contributed for the adsorption of monolayer .

结果表明：所提出的模型能在整个相对蒸汽压力范围内描述水在吸附剂上的吸附平衡行为；脱附等温线与吸附等温线之间的差别可归结于吸附质的单层吸附。

The Trend Analysis of Prevalence of Relative High Blood Pressure in Chinese College Students during 1991-1995

1991～1995年中国大学生血压偏高发生率的动态分析

Relative high blood pressure ;

血压偏高；

The relative error of pressure coefficient with respect to experimental data is around 15 % .

压力系数平均相对误差约为15%。

Sandstones have relative high fluid pressure after hydrocarbon filling .

砂体在烃类充注之后，也形成与烃源岩平面分布规律相似的较高的流体压力。