• 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、车轮及蜂窝形等异形催化剂颗粒有效因子固定传热性能及其降。

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  • Low or high pressure switch - turns off control circuit when water pressure drops below a set minimum, or above a set maximum.

    低压高压开关- - -用于水压降低到预先设置最低值超过预先设置的最高值时,切断控制电流

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  • 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.

    废气稀释情况下燃烧时间延长,在初始燃烧压力火焰传播速度下降明显。

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  • 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失血严重感染体温发生

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  • Large pressure drops will lead to reduction of the gas load in downdraft gasifier, resulting in low temperature and tar production.

    大型压力下降导致吸式气化炉燃气负荷减少低温焦油生产造成

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  • Structured packings are employed particularly in vacuum service where pressure drops must be kept low.

    规则的填料尤其真空下被使用,在真空下压必须保持很低的水平。

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  • Structured packings are employed particularly in vacuum service where pressure drops must be kept low.

    规则的填料尤其真空下被使用,在真空下压必须保持很低的水平。

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