pressure flow theory的意思|示意
压力流理论
pressure flow theory的网络常见释义
压力流动学说 35、压力流动学说(pressure flow theory )：其基本论点是有机物在筛管中随着液体的流动而移动， 这种液体流动的动力是由于输导系统两端的压力势差引起的。
压力流学说 关于韧皮运输的机理有几种学说还无定论，现在认为最有说服力的为E．Münch（1926）提出的压力流学说（pressure flow theory），此学说认为由光合作用产生糖的叶或其附近的组织即给源部组织的渗透压比生长点、根等壑部组织为高，给源部的膨压较壑部为高，此...
pressure flow theory相关例句
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
The nonlinear characteristics of pressure fluctuation for two-phase flow in vertical upward section of U-type tube were investigated by means of deterministic chaotic theory.
确定性混沌理论能够深刻揭示气液两相流压力波动的非线性特征。
In order to reduce pressure wave and improve the solution, numerical simulation has been made of the process of multi-point ignition by applying the two-phase flow internal ballistics theory.
为了减小膛内压力波、完善多点点火方案，应用两相流内弹道理论对该炮的多点点火过程进行了数值模拟，数值模拟结果与试验结果有较好的一致性。
Using the theory of compensation effect between compress ratio and the length of straight section, the pressure of flow channel were mainly study according its influence on melt line.
利用压缩比与平直段的长度存在补偿效应的结论，从压力分布及压力降的比较中考察其对熔接痕形成的影响。
This paper reviews the work principle of the reactor for deposition temperature, pressure and gas flow control, and the measurement theory of the measurement devices.
其中着重描述了反应腔对反应温度，反应压力和气体流量的控制方法，以及测量设备对淀积薄膜性能的测量原理。
By example, the node pressure method and steps of the water flow optimal regulation were introduced in order to provide the theory basis for the engineering application.
结合实例介绍了使用节点压力法实现流量优化调节的方法和步骤，为工程应用提供依据。