variable pressure

Instillation of normal saline through an intrauterine pressure catheter may reduce variable decelerations.

通过子宫内压导管输入生理盐水可以减少胎心变异减速.

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A tapered tube variable area ring orifice device for wet gas measure is developed. It combines a tapered tube, an inner circle-shaped movable baffle, a precision spring and a displacement sensor. Flow equation is given, with distance displacement for pressure difference.

本文提出了一种锥形管变面积环孔装置，用于湿气计量，采用锥形管、内圆形可移动阻流件、精密弹簧和位移传感器组合的结构设计，给出了用位移代替差压的气体流量方程。

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As part of heat-sensitive inks, pressure sensitive variable ink and humidity are chromotropic innovativeink chromotropic.

热敏防伪油墨的一部份, 压敏变色油墨、湿敏变色都属于变色油墨.

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The Laplace space solution to dimensionless reservoir pressure and dimensionless bottom pressure of variable flow problem, which takes into consideration the effect of three kinds of outer boundary conditions, is studied by using multi-layered reservoir model.

针对层间无窜流的多层油藏渗流模型，研究了3种外边界下的交流率问题的储层压力动态分布和井底压力的Laplace空间解。

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A method for steady flow test of inlet port with variable pressure drop instead of constant pressure drop was used in the study.

在直喷式柴油机气道稳流试验中，采用变压差试验方法代替传统的定压差方法。

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The temperature remained constant while pressure was a variable in the experiment.

做这实验时温度保持不变，但压力可变。

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Study on back pressure and self-starting characteristics for sidewall-compression inlet with variable internal contraction ratio by moving cowl

移动唇口变收缩比侧压式进气道反压特性和自起动性能

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This peper introduces the new method about variable pressure and variable current control of water pump in the process of cities water supply.

提供了城市供水水泵的变压变流量自动控制方法，成功地解决了水源地和地区加压站昼夜之间水流量和水压变化大、难以控制的问题。

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It is obvious that the gas turning back phenomenon occurs in variable pressure gas exhaust system. The resistance coefficients of two types of check valves ( B and C) are experimentally measured.

通过实验测定了B型和C型两种止回阀的自身阻力系数和系统气流合流阻力系数，并对两种止回阀所对应的系统排风量进行了实测。

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The hydraulic clamping to bed has variable hydraulic pressure to tailstock quill.

油压夹持底座已经变压力于尾座尖端。

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The effects of cell temperature, cathode pressure and oxygen flow rate on the dynamic response of a liquid feed direct methanol fuel cell under variable loading cycles were investigated experimentally.

在不同负载下，实验研究了电池温度、阴极侧压力及氧气流量对液相进料直接甲醇燃料电池动态响应的影响。

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Then, a Box-Behnken design by using Design-expert software was conducted, we selected mold temperature, melt temperature, holding pressure and dwell time as experimental factors, selected warpage and shrinkage as target variable.

其次，运用Design-expert软件设计了Box-behnken试验，选取模具温度、熔体温度、保压压力、保压时间作为实验因素，以翘曲变形和体积收缩率作为目标变量。

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Variable pressure, rainfall, weather, speed

变化不定的压力、降雨量、天气、速度

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The experimental results show that the total pressure loss and outlet derivation angle can be retained in an acceptable range when the bend angle of van rear end is less than a specific value, reaching the aim of adjusting the outlet angle of variable curvature cascade.

研究结果表明：叶片弯角小于一定值时，叶栅的总压损失和出口气流落后角保持在可接受的范围，能达到调节气流出口方向的目的；

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