The peak flow rate ratio(E/A)in early and late of diastolic phase and the flow rate deceleration in early diastolic phase(EDC)also showed significant differences.
高血压病各组与健康对照组比较，舒张早期与舒张晚期峰值流速的比值（E/A），以及舒张早期流速的减速度（EDC）差异有显著性意义；
The ratio of overtaking flow to mainline flow was defined as the overtaking rate.
定义超车换道流量与干道流量的比值为超车换道率。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
The diameter, flow, shear rate, draw ratio, pressure difference and degree of profile in different configuration of capillary hole were calculated.
计算不同叶长，叶宽，孔数的喷丝板毛细孔的当量直径，单孔流量，剪切速率，喷头拉伸比，三叶异形孔压力降和异形度。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
A method of stepped-diameter design for pneumatic conveying pipelines, as well as relationship among pressure loss, ratio of material to air, and mass flow rate of materials etc.
介绍气力输送管道的变径设计方法和变径管道气力输送试验中压损、料气比、物料质量流量等间的关系。
Some factors affection reaction such as temperature, moles ratio of reactants, flow rate and height of resin bed were studied. Under our optimum conditions the total yield was over 80%.
本文讨论了反应温度、醇酸摩尔比、反应物流速、树脂床高等因素对产率的影响，按选定的最佳条件，总产率可超过80%。
The influences of different initiators and their concentrations on grafting ratio and the melt flow rate (MFR ) of the grafted polymer were studied.
研究了引发剂种类及用量对接枝率和接枝物熔体流动速率（MFR）的影响。
In previous studies usually two throttling devices were required for metering the loading ratio or the particles flow rate.
在前人研究中都采用两个节流元件来测量固体颗粒流量或浓度。
For reactive sputtering, the gradient films with varying ratio of chemical component can be prepared by changing gas flow rate continuously.
对于反应溅射，可通过连续改变反应气体流量制得化学成分比连续变化的梯度薄膜。
The influence of growth parameters including gas flow, C/Si ratio, growth temperature and pressure on growth rate and layer uniformity in thickness and doping are discussed.
比较了外延生长参数，如生长温度、生长压强、碳硅比和气流流速，与生长率和净载流子浓度的影响关系。
With increase of mass flow rate, solid-gas ratio increases first and then decreases.
随着煤粉的输送流量的增大，固气比先增大后减小。
The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.
填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。
The flow rate, electromechanical rotation rate and split ratio are the main operational parameters which can affect the separation characteristics of the compound hydrocyclone.
流量、电动机转速及分流比是影响复合式水力旋流器分离特性的主要操作参数。
Reasonable operating parameters, such as flow rate, flow split ratio and pressure drop, are worked out, and the field technological process of the hydrocyclone is investigated tentatively.
摸索出了较为合理的操作参数（处理量、分流比及压力降等），并对预分离水力旋流器的现场应用工艺流程进行了初步探讨。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择，以及试样与溶剂的体积比的选择进行了实验。
The experimental results showed that the volatilization ratio increases with the increasing of the reaction temperature, steam flow rate and decreasing of bed thickness.
当温度升高、床层厚度增加及水蒸气流量增加时，锑的挥发率相应在增加。
But it has smaller volume than displacement compressor at the same mass flow rate; and higher pressure ratio and efficiency than impeller compressor.
且尺寸体积远小于同流量的容积式压缩机，稳定性和压比也比同流量的条件下的叶轮式压气机有所提高。
The influences of key design and operating parameters, such as bypass air ratio, compressor speed and total air mass flow rate etc.
分析了空气旁通率、压缩机转速及空气质量流量等主要设计及运行参数对干燥性能的影响。
The dryness and mass flow rate of inlet pulp have much effect on distribution of dried plant fibers, so the suitable preceding water content ratio is 376%.
进入干燥系统的竹纤维浆料含水率和载带率对干燥后竹纤维原料的分散性影响较大。
The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.
分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。
The influences of key design and operating parameters, such as bypass air ratio, compressor speed and total air mass flow rate etc. , on the performance of heat pump microwave drier were investigated.
分析了空气旁通率、压缩机转速及空气质量流量等主要设计及运行参数对干燥性能的影响。
In this range of air-water ratio the flow rate of mixture slightly decreased, the axial power increased linearly and the pump efficiency increased parabolically with a rise in effective head.
在稳定工作区范围内，不同的含气量条件下，随着排出压头的增加，混合液总量稍有下降，轴功率直线上升，效率呈抛物线变化。
The ratio of flow rate in the left fuel inlet to the right one affects significantly the temperature field and the most optimized ratio is 60%:40%.
两个喷嘴燃料流量的比例对阳极炭块的温度场影响很大，计算结果表明当左右两个燃料入口处燃料的流量比例为60%：40%时为最优工况。
Some reaction conditions, which include temperature, molar ratio of B_2O_3 to NaCl, and flow rate of water vapor, were studied.
以氯化钠中氯离子作为反应的转化率指标，研究了温度、硼酐与氯化钠摩尔配比、蒸汽流量及反应时间改变对反应的影响。
Some reaction conditions, which include temperature, molar ratio of B_2O_3 to NaCl, and flow rate of water vapor, were studied.
以氯化钠中氯离子作为反应的转化率指标，研究了温度、硼酐与氯化钠摩尔配比、蒸汽流量及反应时间改变对反应的影响。
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