Detail analysis indicates that the mass cycle modal can improve the efficiency of mass transfer and mass exchange, and can be used in such regions as the control of indoor air quality and etc.
分析表明，质循环模型能够提高质传递和质交换的效率及可控性，可用于室内空气品质的控制等领域。
It's large size of section, a mass of consumption of concrete and reinforcing steel bar, and uncertain factors, cause notable difficulty to the construction and quality control of transfer floor.
同时转换层截面尺寸大，混凝土和钢筋的用量都非常大，且施工过程中的不确定性因素多，给转换层的施工及其质量控制带来了很大的难度。
The results show: external diffusion is control process for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.
研究结果表明：外扩散过程是传质的控制步骤，增大风速、减小吸附剂颗粒直径是减少传质阻力的有效措施。
And some equations were got to control correlation parameter in hydrocyclone for intensifying heat and mass transfer.
同时，推导的有关公式可以为控制旋流器相关参数强化热质传递提供理论指导。
The multiphase reactor have a lot of advantages such as high coefficient of mass transfer, good performance of mixing and easy to control etc.
多相流态化反应器具有如传质系数高，混合性能好，操作简单等优点。
There are two difficult points in the thick plate transition layer of the high-rise building. The first point is the security of load transfer, and the second is the control of mass concrete cracks.
高层建筑厚板转换层施工有两个难点，一是荷载安全传递问题，二是大体积混凝土裂缝控制问题。
There are two difficult points in the thick plate transition layer of the high-rise building. The first point is the security of load transfer, and the second is the control of mass concrete cracks.
高层建筑厚板转换层施工有两个难点，一是荷载安全传递问题，二是大体积混凝土裂缝控制问题。
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