给出了气嘴节流温度计算方法，并分析了节流后温降的原因。
The method used to calculate the temperature drop in nozzle is proposed.
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。
The conception of "inversion curve" is usually introduced in the discussion of the temperature effect for adiabatic throttling process of gases.
计算压缩天然气绝热节流的温度降的关键是求解焦耳-汤姆逊系数。
The key to calculate the temperature drop induced by adiabatic throttle of compressed natural gas is to find the solution of the Joule-Thomson coefficient.
常规的地面节流工艺，节流前需用地面加热保温装置对天然气加热，提高气流温度以免形成水合物堵塞。
Throttling on ground need to use calefaction and heat preservation equipment to rise and keep the temperature of natural gas stream lest hydrate form.
对有井下节流装置的气井动态分析的研究，首次提出采用井口采集数据，从井口向井底计算井筒内的压力温度综合值的计算方法。
In this paper, a numerical method to describe the distribution of pressure and temperature in the well bore with downhole-choke from wellhead to bottom was established.
所述蒸气流速取决于所述气化器的温度及位于所述气化器与所述真空室之间的机械节流阀的流导的设定值二者。
The vapor flow rate is determined by both the temperature of the vaporizer and the setting of the conductance of the mechanical throttle valve located between the vaporizer and the vacuum chamber.
解决问题的关键，是分离出大部分液态水后，再进行节流，并降低分离器工作温度。
The key of the solution is to throttle after most liquid water is separated and to drop working temperature of the separator.
解决问题的关键，是分离出大部分液态水后，再进行节流，并降低分离器工作温度。
The key of the solution is to throttle after most liquid water is separated and to drop working temperature of the separator.
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