With the increase of the diameter class, the gradual decrease of the numbers of stumpage.

Pressure gradient force plays a vital role in radial.

压力梯度力主要在径向起作用。

Unsteady seepage model for low permeability reservoir with threshold pressure gradient

考虑启动压力梯度的低渗透油藏不稳定渗流模型

Research on the Pressure Gradient of Air Cleaning and Conditioning System in Animal Building

动物厂房净化空调系统压强梯度的研究

The method to analyze the pressure gradient with mean radial velocity is used.

本文提出了利用平均径向速度分析压力梯度的方法。

Effect of Starting Pressure Gradient Dynamic Change on IPR Equation

启动压力梯度动态变化对IPR方程影响分析

Effect of starting pressure gradient on the production performance of fractured wells

启动压力梯度对压裂井生产动态影响研究

Application of Radial Basic Function Neural Network on the Prediction of Starting Pressure Gradient

径向基函数神经网络在启动压力梯度预测中的应用

Spatial gain analysis of pressure gradient hydrophone based on general signal processing principles

用信号处理的一般原理分析压差水听器的空间增益

Study and Application Pressure Gradient Distribution Chart

压力梯度分布图的研究及应用

The non-linear stable flow considering threshold pressure gradient is studied.

研究了考虑启动压力梯度的非线性稳定渗流问题。

Pressure gradient model for variable mass fluid flow in horizontal wellbore

水平井筒流体变质量流动压力梯度模型

Evaluation of pressure gradient force in coordinate system following the terrains

地形坐标系数值模式中气压梯度力的计算

Research of pressure gradient for abnormal high pressure reservoirs

异常高压油藏油层内部压力梯度探讨

Simulation study on the change of pressure gradient influenced by exterior interference

外扰对隔离病区压力梯度影响的数值模拟研究

The study and analysis of starting pressure gradient in low permeability gas reservoirs

低渗气藏启动压力梯度研究与分析

The development of processes and apparatus of temperature gradient CVD

热梯度化学气相沉积工艺与设备的发展

The thermal controlling principle of the temperature gradient heat sink is discussed.

本文探讨了利用温度控制波长的原理，提出了温度梯度热沉的初步设想，及耦合光学系统的设计。

Simulation and analysis of influence of inlet parameters on temperature gradient of floor air distribution system

送风参数对地板送风房间内温度梯度影响的数值模拟及分析

The results show that significant temperature gradient exists during quenching in process a.

模拟结果表明，工艺a造成了模块内过大的温度梯度；

The study of high temperature gradient directional solidification equipment

高温度梯度定向凝固装置的研究