Particle filters should include (or pressure differential gauge display), so as to explain when should change the filter medium, when filter service life to also shall be replaced.
微粒过滤器应当包含差动压力表(或压力显示器)，借以说明何时应该更换过滤介质，当过滤器使用寿命到了也应当更换。
It is proved that if the medium is piecewisely homogeneous, the solution of the differential -integral equation satisfies the boundary conditions on boundaries between different media.
证明了在介质为分区均匀的条件下，这个微分-积分方程的解满足不同介质边界面的边界条件。
The work principle of HTG is that medium quality in oil tank is measured with the method that static pressure of bottom of oil tank is measured with pressure or differential pressure transmitter.
静压法储罐计量系统(HTG)的原理就是用压力或差压变送器测量油品介质作用在罐底部静压的方法来测量储罐内介质质量。
The effects of porous medium on dew points of a condensate system are mainly represented by differential adsorption of hydrocarbon and capillary agglomeration of gas.
多孔介质对凝析油气体系露点的影响主要表现为对油气的差异吸附作用和烃类气体的毛细凝聚作用。
Because pore medium is filled with water at first, the process of oil and gas migration is that the oil and gas is continually refilled and water escaped under differential pressure.
由于孔隙介质中最初是充满水的，因此孔隙介质中油气进入过程是油气在压差作用下不断注入而水不断泄出的过程。
A new type of three parameter combination logging tool is developed to improve the effect of differential temperature logging technology during medium to late term of oil field development.
为提高微差井温测井技术在油田开发中后期的作用，开发设计了一种新型的三参数组合测井仪。
With quadratic lagrange equation, large , medium and small of kinds differential equation of movement are established;
利用二阶拉格朗日方程，建立起大、中、小三类提升机的运动微分方程；
Featured by tight shut-off, this kind of control valve is suitable for applications with relatively low differential pressure. It is suitable for controlling medium flow or pressure.
该类型调节阀适用于工况压差较小的场合，关闭严密，适用于对介质流量或者压力的调节。
The partial differential equation of flow in porous medium has been studied with variational finite element method.
用变分有限元方法对描述地下流体渗流的偏微分方程进行了分析。
The numerical solution of wave propagation may be obtained by solving for the differential equation of medium motion.
通过求解介质运动做分方程，获得了波的传播问题数值解。
Different cellulose differential medium are compared in this text, and a differential medium that can filtrate cellulose decomposing microorganisms efficiently by dint of experimentation is gained.
文章中研究了不同纤维素鉴别培养基，通过实验得到可高效筛选纤维素降解菌的鉴别培养基。
Based on 8752 singlechip and micro differential pressure transformer produced by American FOXBORO, a high precision medium-pressure type of leak detector was developed.
介绍了基于8752单片机和美国FOXBORO公司微差压变送器研制的高精度中压型智能测漏仪，论述了其工作原理、气路结构、硬件电路设计及系统软件设计。
The higher differential stress values are distributed in the large-medium scale Cu, Wo-Mo, Pb-Zn-Ag ore districts.
与大中型铜钨钼铅锌银矿相对应，出现差应力高值区。
The paper discusses the conception and existing condition of hybrid library, in the meantime, analyses differential medium form collection and differential structure collection form of hybrid library.
本文从情报与情报工作的含义入手，分析混合图书馆强化情报服务职能的重要性，论述了混合图书馆情报服务的条件与特征。
The paper discusses the conception and existing condition of hybrid library, in the meantime, analyses differential medium form collection and differential structure collection form of hybrid library.
本文从情报与情报工作的含义入手，分析混合图书馆强化情报服务职能的重要性，论述了混合图书馆情报服务的条件与特征。
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