Shear Flow Across Non& circular Pipes With Axial Symmetry Section

This paper gives the new technique of tooth profile on the normal section of nobbing-shaving cutter involute worm which is imitated by hyperbola and suggests that axial section of grinding wheel can be obtained in hyperbolic form by dressing conical surface of grinding wheel along the inclined straight line.

给出了用双曲线拟合滚剃刀渐开线蜗杆法剖面齿形新技术，提出了锥面砂轮按斜直线进行修整，能够获得砂轮轴截面为双曲线形状。

Before that, the micro forward extrusion die was designed and manufactured, and the design technology of micro-forming die was discussed. Furthermore, micro hardness tests on axial section of the formed parts were also conducted to study the inhomogeneous material flow scale effect.

本研究同时还设计、制造了微型正挤压模具，对微成形工艺模具设计进行了初步探讨。

Through analyzing, it is showed that the major factors which influence the performance of the pump are the shape of axial section flow channel, the hydraulic parameter of impeller and guide blade and the geometric parameter of the inlet conduit.

论文通过分析，得出影响其性能的主要因素有泵的轴面流道形状、泵的叶轮、导叶的水力参数以及进水流道的几何参数。

Then the flow field of different axial section and the path line drawing of the fan are obtained. Thirdly, the method of finite element analysis and its main calculation steps are discussed. A brief introduction of APDL is given.

然后讨论了有限元分析方法以及主要计算步骤，并对APDL技术进行了简单介绍。

Toward the guide blade, the distribution of pressure near the outlet of guide blades is not good, the analysis results show that the shape of axial section flow channel is not reasonable, and it should be improved.

导叶片靠近出口部分压力分布不理想，分析表明，该泵的导叶部分的轴面流道形状不合理，应予以改进。

The bronchial orientation had influence on VB. The luminal diameter of S1/ S10 ( these bronchi were vertical to axial section) under VB was the smallest.

支气管走行方向也对效果产生影响，与轴面接近垂直走行的段支气管S1、S10在仿真内窥镜下走行最远，测量管径最细小；

INQUIRY INTO DEFORMATION OF THE AXIAL SECTION IN CROSS ROLLING WITH HELICAL GROOVES AND INVESTIGATION OF ITS EXPERIMENT IN MOIRE METHOD Research on NC Grinding of Rotary Surface Parts with Arc Axial Section and Precision Controlling

螺旋孔型斜轧轴向断面变形的探讨及云纹实验研究圆弧轴截形回转面的磨削及精度控制方法的研究

The complicated radial-axial ring rolling technology is used mainly to manufacture large rings, in which the radial and axial section of rings are rolled at the same time.

环件径轴向轧制是对环件径向和轴向同时进行轧制的复杂工艺，主要用于轧制大型环件。

In this paper, a new type tooth profile of sprocket has been given from the study of designing the bobber's axial section.

本文首先从设计滚刀的轴向截形入手，提出了链轮的新齿形；

It is distinct from profile of every axial section of tooth back of relief grinded hob.

铲磨滚刀齿背的各轴截面截形都不一样。

Grinding of Rotary Surface Composed of Discrete Points in Its Axial Section and Calculation and Analysis of Theoretical Roughness

列表轴截形回转面的磨削及理论粗糙度的计算与分析

Research on Electrochemical Grinding of Rotary Surface Composed of Discreate Points in Its Axial Section

列表轴截形回转面电解磨削研究

General Expression of Cutter's Axial Section for Machining Helicoids and Its Numerical Solution

计算螺旋面刀具轴截形的通用公式和计算机数值解法

Analyzing and Calculating Axial Section Profiles of Worm with Straight Generatrix

直纹蜗杆轴向齿形的分析与计算

Research on NC Grinding of Rotary Surface Parts with Arc Axial Section and Precision Controlling

圆弧轴截形回转面的磨削及精度控制方法的研究

Research of mathematics model of the general center line of axial section flow channel of centrifugal pump

离心泵通用轴面流道中线的数学模型研究

A new method of calculating the axial section flow channel of centrifugal pump

离心泵叶轮轴面流道计算新方法

Its pistil consists of three carpels, the inferior ovary has three locules and each locule has two ovules which are anatropous on axile placenta. The ovule is bitegminous and crassinucellate.

雌蕊3心皮3室，子房下位，中轴胎座，每室2倒生胚珠，厚珠心，双珠被，内珠被独自形成珠孔。

By using the non-instantaneous section envelope machining principle, a mathematical model of mold grinding helical-spur cylinder gear is established, which is a calculating method to shape axile sectional of grinding wheel for numerical control mold grinding helical-spur cylinder gear.

利用无瞬心包络法成形加工的原理，建立了成形磨削斜齿圆柱齿轮的一种数学模型，为斜齿圆柱齿轮数控成形磨削的砂轮轴向修形提供了一种计算方法。

It is shown in this paper that due to the neglecting of curvature effect in the calculation of deformation of slope, the ordinary straight line finite elements are not suitable for the calculation of axile symmetrical shells with abrupt change of curvature.

本文指出了在一般用直线单元的轴对称壳的有限元法中，由于忽视了曲率对斜度变形的影响，并不能用以处理曲率突变的轴对称壳问题。