Selection and Orifice Diameter Calculation for Safety Valve IDENTIFICATION OF THROAT RADIUS VARIATION FOR SRM

The Calculation and Prediction of Transient Value of Nozzle Throat Radius

固体火箭发动机喷管喉径瞬变值的计算和预示

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The minimum oil-bearing throat radius r_ ( hmin) and storage index β proposed by the author in the preceding paper [ 1] were used in calculation of 75 oil reservoirs in Liaohe, Changqing and Shengli oil fields.

本文对辽河、长庆和胜利油田75个油藏最小含油喉道半径（rhmln）及储油指数（β）进行了计算。

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Classification parameters for low permeability reservoir has been found, which is based on the impact of flooding efficiency and recovery percent, regarding penetration, movable fluid saturation, the average throat radius and the starting pressure gradient.

从渗透率、可动流体饱和度、平均喉道半径和启动压力梯度对低渗透储层驱油效率、采收率的影响程度出发，建立了低渗透储层分类的参数体系。

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As the same vacuum degree of the condenser throat, the higher pressure diffusion capability would result in the lower pressure at the outlet of the last stage. And there will be more enthalpy that can be used by the stream turbine.

在凝汽器喉部真空度一定的情况下，低压排汽缸的扩压能力越强，汽轮机透平末级出口处的静压就越低，机组的可配置焓降就会越高。

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The matching ratio of gel particle and pore throat size and critical pressure gradient of particle motion have been studied by core test experiments and special structurally visual micro-model experiments.

采用填砂岩心实验和具有特殊喉道结构的微观蚀刻模型定量地研究了颗粒大小与孔喉尺寸的匹配关系以及颗粒发生运移的临界条件。

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The changes of the pressure in puffer chamber and nozzle throat under different base pressure are compared, which shows that base pressure has an influence on the pressure in gas chamber.

分析了压力变化与开断时间的关系，比较了不同基压下压气缸与喷口喉部气体压力特性的变化，说明了基压对断路器灭弧室内压力的影响。

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So if we can inverse the distribution of pore throat or the capillary pressure curve by the pore and permeability data of the core?

是否可以根据岩样的孔隙度和渗透率的大小反演岩样的孔喉体积分布，或者反演毛管压力曲线？

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Based on momentum conservation principle and conversation of energy, the calculating formulas for outlet pressure of throat, delivery pressure of gas lift jet pump and correlative size of diffusion channel are achieved.

根据喉管内流体动量守恒和扩散器内能量平衡原理导出喉道出口压力和加速泵排出压力的计算公式，并计算直接影响加速泵排出口压力的扩散器尺寸。

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The experiment result shows that the area ratio of the nozzle to the throat and the pressure ratio of the work liquid to the gas are the main factors affecting the hydrodynamic performance of the ejector.

研究表明：影响喷射器流体力学性能的主要因素是喷嘴与喉管的面积比及工作流体与吸入气体的压力比。

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The scheme to control launch power is introduced for changeable depth launch of missile. It is to change the aeration area at the nozzle throat of high pressure chamber in launcher.

该文针对导弹变深度发射提出通过改变发射装置高压室喷管喉部的通气面积来实现发射动力可调。

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The effects of three process parameters, diameter of throat, pressure drop and aeration level, on the laying off rate of the distributor are discussed as well as the interaction relationship between the process parameters.

本文讨论了流化分配器的三个工艺参数（喉口直径、压力差及充气量）对其下料速度的影响，以及各工艺参数间的相互作用关系。

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His nose drew a line up the skin of my throat to the point of my chin.

他的鼻子轻轻地贴着我的肌肤，从我的喉咙一路滑到我的下颌。

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The cervix of the uterus polyp will also cause the palace throat opening's mucus to form the mucus hitch, thus the hindrance sperm will enter the palace cavity.

宫颈息肉还会导致宫颈口的黏液形成黏液栓，从而阻碍精子进入宫腔。

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If excises soon then the childbirth, because initially the wound the palace throat opening will expand has the slight hemorrhage.

若摘除不久便分娩，初愈的伤口会因宫颈口扩张而发生轻微出血。

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Three Major Elements in Vocal Music Teaching& Breath, Resonant Position and Throat Opening

谈声乐教学中的三大要素&歌唱的呼吸、共鸣位置、打开喉咙

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Headset with special throat microphone and permanently fixed earphones

头载送受话器，带有专用喉式传声器和永久固定耳机的

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Throat microphone is highly immune to environmental noise because of its close contact with the throat skin.

喉部送话器直接感受声门处皮肤的振动，不经过空气传导，因而具有很强的抗环境噪声干扰的能力。

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From the basic characteristics equation of jet pump and geometry analysis can be seen, flow ratio, area ratio, distance between power flow inlet and entrance to mixing throat and length of mixing throat are the main factors of jet pump efficiency.

从射流泵的基本特性方程以及几何尺寸分析可以看出，流量比、面积比、喉嘴距和喉管长度等是影响射流泵效率的主要因素。

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The proposed simulation model was recognized as a good reflection of port traffic. Secondly, port driveway throat length was investigated using the proposed simulation tool.

最终得到能够很好反应港区交通状况的仿真模型。其次，对港区道路出入口喉深长度进行仿真研究。

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An approach that can obtain appropriate driveway throat length is reach using the simulation method. Thirdly, road intersection spacing was investigated.

并通过分析实验结果得到一种确定港区道路喉深长度的方法。再次，对港区道路交叉口间距进行仿真研究。

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