通过对提高某化工装置反应器进料泵扬程两种方法的分析对比、实验研究，提出短叶片偏置设计法是提高低比转速离心泵扬程和效率的有效方法。

It is shown after analysis that the efficiency of roto-jet pump is higher than theefficiency of multistage pump and express pump when it operates in the region of low dis-charge and high lift.

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考察了催化剂涂层的配比、反应温度、水醇比、进料速度、反应时间对甲醇重整微槽道反应器性能的影响。

The effects of catalyst composition, reaction temperature, space velocity, molar ratio of methanol to water, and reaction time on the performance of the microchannel reactor were investigated.

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试验研究分析了反应温度、 进料速度、水醇比（水和甲醇的物质的量的比）、反应时间对甲醇水蒸气重整制氢微型反应器性能的影响。

The effects of reaction temperature, space velocity, molar ratio of water to methanol, and reaction time on the performance of the micro reactor were investigated.

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