The technology of making abnormal shape catalyst particles is recently developed mainly for the enhancement of their effectiveness factors with low pressure drops in fixed bed reactors.
研究了环形、车轮形及蜂窝形等异形催化剂颗粒的有效因子、固定床传热性能及其压降。
Low or high pressure switch - turns off control circuit when water pressure drops below a set minimum, or above a set maximum.
低压或高压开关- - -用于当水压降低到预先设置的最低值或超过预先设置的最高值时，切断控制电流。
At the exhaust gas dilution condition, the burning duration is extended and the flame speed drops faster at high initial pressure than at low one.
在废气稀释情况下，燃烧时间延长，在高初始燃烧压力时，火焰传播速度下降更明显。
Rapid drops in blood pressure that threaten life can occur due to loss of blood, severe infections, or low body temperature due to cold exposure.
致命性快速血压下降可以因失血、严重感染或低体温时发生。
Large pressure drops will lead to reduction of the gas load in downdraft gasifier, resulting in low temperature and tar production.
大型压力下降将导致在吸式气化炉燃气负荷减少，低温焦油生产造成的。
Structured packings are employed particularly in vacuum service where pressure drops must be kept low.
规则的填料是尤其在真空下被使用，在真空下压降必须保持很低的水平。
Structured packings are employed particularly in vacuum service where pressure drops must be kept low.
规则的填料是尤其在真空下被使用，在真空下压降必须保持很低的水平。
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