working equation

Determination of Working System of Axial Flow Fan By Equation Method

确定矿井轴流式扇风机工作制度的方程法

On the basis of low permeability gas reservoir capacity equation and the production system analysis, using thumb rule, mining gas index, nodal analysis and considering the critical liquid carrying flow method to determine horizontal wells reasonably working system of the Jingbian field.

在对低渗透气藏产能方程和生产系统分析的基础上，采用经验法、采气指数法、节点分析法以及考虑临界携液流量法对靖边气田水平井进行了合理的配产。

Using of the partial differential equation in working holes of boxes

偏微分方程在箱体孔系加工中的应用

Abstract: Using compensate factor constrictive coefficient to revise perfect gas equation and calculate the measure of natural gas's standard volume, working's status compensate factor can make out similar calculate change by R-K equation.

采用具有补偿因子压缩系数修正的理想气体状态方程，实现对天然气标方计量的计算.工况状态压缩系数的计算由R-K方程近似计算迭代求出，计算误差为0.1%。

Based on the analysis of the working principle of arc-cycloidal gear pump and the motion relationships parametric equation of a kind of cycloidal curve ot internal tooth was put forward, the trouble of processing and mapping when the rear damaged was solved.

对圆弧-摆线齿廓转子泵工作原理及运动关系进行分析的基础上.提出一种内转子摆线齿廓曲线的参数方程，解决了内转子加工以及损坏后难于测绘的难题。