The steam pressure or water pressure drop.
蒸汽压力或给水压力下降。
In recent years, the irregular shape methane steam reforming catalyst development progresses rapidly with the goal to increase catalyst effectiveness and reduce the pressure drop in fixed bed reactor.
近年来，甲烷蒸汽转化催化剂异形化研究取得了很大进展，其主要目的是提高催化剂的效率因子，降低固定床反应器中的压降。
The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium-tubes for steam condensation are reported and analyzed.
摘要介绍了钛螺纹槽管传热及流动阻力的实验结果，并对结果进行了分析。
The section integration used for steam network hydraulic calculation is put forward. The influence of steam being as elastic medium on the section pressure drop is considered in this method.
提出了可用于蒸汽管网水力计算的分段积分法，该方法考虑了蒸汽作为弹性介质对管段压力损失的影响。
The variation of steam density due to large pressure drop should be taken into account.
设计和计算时需考虑蒸汽密度的变化。
The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium-tubes for steam condensation are reported and analyzed.
介绍了钛螺纹槽管传热及流动阻力的实验结果，并对结果进行了分析。
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。
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