在这种状况下，必须降低泵的转速，加大电机的功率，加大进出口的管径来减少介质的流动阻力。
Under this situation, we must reduce the speed of pump, increase the power of the motor, increase the import and export of pipe diameter to reduce the flow resistance of the medium.
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
盘管的进出口温差随着盘管入口的速度的增大先缓慢下降，再平稳上升，依照此规律逐渐变化。
Coil's import and export temperature difference with the coil the speed of increase of entrance first slow drop; then rose steadily, in accordance with this law changes gradually.
在循环泵进出口之间设置带止回阀的旁通管。
And a by-pass pipe with check valve is set between the inlet and outlet of circulating pump.
液体压强矩阵方程和压电硅片振动有限元方程耦合，得到一个包含微泵进出口扩散管的液-固耦合系统振动方程。
The fluid pressure equation is combined with vibration equation of silicon diaphragm to construct liquid-solid coupling system equations for a micropump.
应积极推荐采用旁路三通调节阀，因为这样能保持冷凝器进出口设有温度计管，便于观察和保养工作。
Bypass should recommend the use of three-way valves, which have to maintain export condenser tube thermometer. facilitate the observation and maintenance work.
通过计算分析可知：盘管的进出口温差随着容器的入口速度的增大平稳上升；
Through calculation and analysis known: Coil's import and export temperature difference with the increase of the inlet velocity of container rising steadily;
通过计算分析可知：盘管的进出口温差随着容器的入口速度的增大平稳上升；
Through calculation and analysis known: Coil's import and export temperature difference with the increase of the inlet velocity of container rising steadily;
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