throttling process

Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.

以抽真空与节流相结合为基础，给出了几种超流氦冷却循环方式；

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The conception of "inversion curve" is usually introduced in the discussion of the temperature effect for adiabatic throttling process of gases.

讨论气体绝热节流过程中的温度效应时，一般要引入转变曲线这一概念。

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This paper introduces the principle, technical index of tools, and applicable scope of downhole throttling process, and provides a concrete plan implemented in Shuangtuozi gas field.

介绍了井下节流工艺原理、工具技术指标及适用范围，给出了具体实施方案设计在双坨子气田开发中的应用。

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This paper presents a dynamic model of air-cooled unit air conditioner during start-up/ shutdown processes, in which dynamic distributed parameter models of two-phase flow in heat exchangers are used, and steady state models are applied for the compression and throttling process.

建立了计算风冷小型空调器启动、停机过程的动态数学模型，其中压缩与节流过程采用稳态模型，而换热器则采用动态分布参数分相流模型。

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The enthalpy is constant in the throttling process.

节流过程焓不变.

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A propane refrigeration cycle process, combined with the existing gas field high-pressure throttling refrigeration treatment process, the transformation process of the low pressure gas propane refrigeration cycle, which provided technical support for the future design of the propane refrigeration system.

研究了丙烷制冷循环工艺，结合现有的气田天然气高压节流制冷处理工艺流程，提出了低压气丙烷制冷循环的改造工艺，为今后丙烷制冷系统的设计提供了技术支撑。

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The computing method of differential throttling and the analytical process of thrust vector of inner nozzle and plug were introduced. The generated moments of pitch were given.

介绍了差分流量调节的计算方法和内喷管与塞锥推力矢量变化的分析过程，计算产生的俯仰力矩。

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Analyzed are principles of throttling expansion process and isentropy expansion process and derivation formula is adopted to identify the essential distinction of the both theoretically.

分析节流膨胀与等熵膨胀的原理，通过推导公式，从理论上找到二者的本质区别。

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The available energy loss of ASU lies in the gas compression, heat exchanging, distillation, and throttling depressurization process.

空分设备有效能损失主要存在流体的压缩与膨胀、热交换、精馏、节流减压。

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There is a huge waste of pressure energy in natural gas processing and transport area by using throttling refrigeration process.

天然气处理、输运过程中常采用节流制冷工艺，这会导致压力能的巨大浪费。

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Adiabatic Throttling Process of Gas Is Not Isoenthalpic

气体的绝热节流过程不是等焓过程

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On the inversion Curve of the Adiabatic Throttling Process of Gases

关於气体绝热节流的转变曲线

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The mathematical model of U shape pipe of throttling process is presented. Simulation and analysis on the dynamic performance has been done.

建立了U型管节流过程的数学模型，进行了模拟和实验研究，分析了节流过程动态的参数变化，以期为U型管的优化设计提供理论参考。

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Discussion on Throttling Process with Weak Degenerate Ideal Gas

弱简并理想气体节流过程的讨论

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Study on the fire-throttling process of tunnel fire and its influence factors

巷道火灾节流过程及其影响因素的研究

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Every successive element of fluid undergoes the throttling process in a continuous stream.

在连续的流动中,每一流体元相继地经历节流过程.

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The final liquid ratio of superfluid helium by vacuum-pumping accompanied with throttling process is 90.3%, and the complexity and the cost of the equipment is similar to the vacuum pumping plan.

抽真空及抽真空与节流过程相结合的方案最终获得的超流氦液体率分别约为100%、90.3%。

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Therefore, hydrate is easily formed in surface throttling process, and it will plug gas transmission pipeline.

普光气田为高含硫中等含二氧化碳干气气藏, 在地面节流过程中容易形成水合物而堵塞集输管线.

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