a new method for determining the axial position of treated casing in multistage axial flow compressors is set up in this paper.

from the experimental results the effects of nozzle axial position and mixer tube length upon ejector characteristic are revealed.

对实验结果进行分析，指出喷嘴轴向位置，混合管长度对引射器特性的影响。

rigidity calculation of axial position preload taper roller bearings

圆锥滚子轴承轴向定位预紧刚度计算

analysis of the effects of different axial position of inflow on heat transfer of a rotor-stator disk cavity

轴向进气位置对转静盘腔传热影响的分析

research on the axial position of treated casing in multistage axial-flow compressors

多级轴流压气机机匣处理级的探讨

an information description method for details based on the hierarchy of axial position code of classified features

基于分类特征轴向位置码的层次式零件信息描述法

a research on the method of measuring the axial position of magnetic suspension bearing

轴向磁悬浮轴承位置检测方法的研究

electron temperature has less affected in the axial position, changes smoothly.

电子温度受轴向位置的影响较小，变化平稳。

error analysis of axial position and measuring equipment design for nc machine tool

数控机床轴向位置误差分析及测量装置设计位置检测器位置传感器

this opens a new way to predict bottomhole pressure of under-balanced wells using the artificial neural networks method.

这为实际应用中使用人工神经网络方法预测欠平衡钻井系统井底压力开辟了一个新途径。

exact solution and typical curve of bottomhole pressure on confined two layer crossflow reservoir perforated partially

单层开采的封闭边界2层越流油藏井底压力的精确解及典型曲线

using the technology, the best geological target can be gotten by controlling the bottomhole drill tools.

使用这一技术，可以精确地控制井下钻具命中最佳地质目标。

studies on mechanism of interference between pdc cutters and bottomhole

PDC切削齿与井底干涉机理研究

this paper introduces the development situation, basic concepts and mathematical model of bottomhole pressure about under-balanced drilling technology.

较详细地论述了欠平衡钻井技术的发展概况，基本概念和井底压力的数学模型。

optimum design of pendulum bottomhole assembly with double stabilizers

双扶正器钟摆钻具组合的优化设计

numerical analysis on the influence of jet-flow types on bottomhole flowing field of rotary bit

旋转钻头射流方式对井底流场影响的数值剖析

an application of neural network in developing a model for predicting flowing bottomhole pressure of flowing wells

用神经网络建立自喷井井底流压预测模型

three-dimensional differential equations for bottomhole assembly under large deflection

下部钻具组合三维大挠度微分方程的详细推导

relation between bottomhole pattern and hit structure

井底模式与钻头结构关系

nonlinear dynamic analysis for bottomhole assembly

下部钻具组合的几何非线性动态特性分析

many calculating methods of bottomhole flowing pressure on multiphase vertical tube flow have been proposed.

半个多世纪以来，国内外学者已经提出了许多垂直管多相流井底流压的计算方法。