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- Liquid density difference 液相密度差
- Due to the difference between the solid density of phase change material (PCM) and the liquid density of PCM, sinking or floating of the unmelted solid PCM are encountered during melting. 摘要在熔化过程中，由于相变材料的固、液密度不同，引起未熔化的固态相变材料下沉或上浮。
- According to oil/water density difference ,reasons for nonconsistent response of GFC water holdup meters are presented. 依据油水分离原理，分析了GFC型持水率计产生非一致性响应的原因。
- This paper introduces the principle of the liquid density sensor based on the APM technology in brief. 文中简要介绍了一种基于声板波 (APM )的液体密度传感器基本工作原理。
- The spectrophotemetry is designed to measure the liquid density according to the chromometry principle. 根据比色原理设计分光光度计对溶液的浓度进行测量。
- Repeat formation testing was used to identify coagulated gas pool by liquid density of stratum directly. 多次地层测试是通过计算出的地层流体密度直接识别凝析气藏,是比较可靠的识别方法;
- The structure, operational principle of several typical liquid density sensors and their application features are described and analyzed. 摘要介绍了几种典型的液体密度传感器的基本结构、工作原理与应用特点。
- The merchandise mass determined by pressure -- sensitive automated tankmeasuring system is effected by the liquid density value inputted to the system. 用压敏式储罐自动计量系统测定的套筒式油罐内的液体质量受到液体密度值的影响。
- The reasons forming abnormal formation pressure mainly includes digenesis, thermogenesis, biochemical action, tectonic action, dialysis, and fluid density difference action. 形成异常地层压力的原因主要有成岩作用、热力作用、生化作用、构造作用、渗析及流体密度差异作用等。
- The corn starch liquid density impairs the quality and ratio of corn starch directly, and the density mesurement still ues the proportion instrument. 玉米淀粉浆的浓度直接影响着淀粉的质量和出粉率，而生产中其浓度的测量仍采用波美比重计。
- The article analyses influence factors and deviation of LPG metering, including liquid volume, liquid density correcting coefficient, gas temperature and gas pressure reading etc. 分析了影响LPG卸船计量的因素及其偏差,其中包括液相容积、液相密度修正系数、气相温度和气相压力读数等。
- Further qualifications require that the two fluids be miscible and that the density difference be a function of differences in temperature. 另外的条件要求两种流体可以掺混起来，并要求两种流体的密度差是温度差。
- In order to study core displacement,a CT(Computerized Tomography) measuring way of density difference which expresses the porosity distribution of oil core is presented. The measurements in reality show that the results are satisfactory. 为进行石油岩芯驱替机理的深入研究，应用工业CT技术，提出了一种石油岩芯孔隙度及分布CT密度差测量法，并进行了实际测量。
- Based on the law of energy conservation and certain assumptions, a formulae with some physical siganificance, for calculating the liquid density at various temperature is derived first time. 本文应用能量守恒原理,在一定假设基础上,首次从理论上导出具有一定物理意义的不同温度下液体密度计算公式。
- According to condensed water and steam density difference,the valve automatically rise or fall along with the change of water level,opev or close the valve hole through lever driving valve core . 该阀根据凝结水和蒸汽的密度差，浮球随阀腔内水位的变化而自动升降，通过杠杆带动柱面阀芯开启或关闭阀孔。
- The vibration period increases with the increase of liquid density in the vibration tube.Wellsite calibration , emperatureand pressure correction must be made while the sensor is used in the borehole. 这种机电一体化的流体密度传感器在井下应用时必须进行井场刻度以及温度和压力的校正。
- Density difference liquid membrane separation technology 重差分相液膜分离技术
- The research demonstrated that when waters are by 2 either 3 salinity or the density different water level constitutions, will present the stagnant water phenomenon. 研究显示，当一个水域是由2或3层盐度或密度不同的水层构成时，就会出现死水现象。
- ray penetration type liquid density meter 射线穿透式液体密度计
