Introduced technological diagram, amount control for material input, adjustable device for flow rate, the principle, structure, advantage of the water plug pump and the operating result.
介绍该装备的工艺流程、下料量的调节控制、可调式恒流装置、堵水泵的原理、构造、优点及装备的应用情况。
The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
The amount of water used by the community is therefore the figure used by the civil engineer when he is designing the sewage system for its minimum rate of flow.
因此，土木工程师设计污水系统时所用的最小流量就是居民区的用水量。
Data series of 1980-2002 of Lijin hydrology station are applied to analyze Yellow River flow and available water amount to be diverted.
采用利津站1980 ~ 2002年系列分析了黄河来水以及引黄济青渠首从黄河可引水量和引水天数。
In this paper, a flow-injection system with on-line ion-exchange preconcentration and atomic absorption detection was developed and applied to the determination of tEe amount of lead in natural water.
本文提出了痕量铅的在线流动注射离子交换预浓集火焰原子吸收测定方法，并将其应用于天然水的分析。
The drag of flow in pipes can be greatly reduced by adding a very small amount of high molecular polymer to water.
在清水里加入微量的高分子聚合物，可以大大降低管路阻力。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
The volume quality of top soil is increased and the soil porosity is reduced owing to compaction, so water flow downward difficultly and the amount of water vertical infiltration is reduced.
由于压实，增加了表层土壤的体积质量，降低了土壤孔隙度，水不易向下运动。
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