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

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

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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。

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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。

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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。

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The precision machining principles and characteristics of CNC form grinding for gear dies are introduced. A analysis method of profile-calculating is put forward, which is available to shape axile sectional of grinding wheel by numerical control.

介绍CNC成形磨齿方法精密加工齿轮模具的原理和特点，应用解析法建立成形磨削渐开线圆柱斜齿轮模具的数学模型，推导成形砂轮廓形计算公式。

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The bundles from the outer region enter the ovary wall, while those from the central region extend into the axile and become placental bundles which fade away gradually in prolongation.

前者的维管束进入子房壁，后者的维管束进入子房的中轴，形成胎座维管束。至延长部后，胎座维管束逐渐消失。

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When the radius of the nanofiber after tapered region changes from large value to small value, the axile intensity of optical field transmitting in nanofiber increased firstly and then decreased gradually.

当拉锥后纳米光纤半径逐渐变小时，纳米光纤的光传输模场中心光强先逐渐增强然后又逐渐减小。

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In order to improve the coding speed for angle encoder, using hardware describing language based Complex Programmable Logic Device ( CPLD), a new coding method was designed for matrix axile angle encoder.

为提高矩阵式编码器的译码速度，提高可靠性，设计一种新型译码方法。程序软、硬件结构。

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Energy Saving with Hydro-coupling Technology on Flow Control in Pump and Induced Fan The effect of two leaves and leaf angle to axile flow pump and blower fan working capability

泵和风机应用液力偶合器调速的节电技术二叶及叶片角度对轴流泵和风机性能的影响

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At P deficiency, the ratio of lateral roots to axile roots, root length to root weight of the primary roots of 181 increased significantly.

而且，低磷使181初生根的侧根/轴根比值、根长度/根重比值较高。

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The Firction and Wear Characteristics of an Electrolytic-Sulfurized Layer and Its Application to Large Axile Bushes and Sleeves

电解渗硫层的摩擦磨损特性及其在轴瓦轴套上的应用

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Under low phosphorus stress the growth rate of Qi-319 axile roots was accelerated and the root length was significantly increased, compared with the control.

在一定低磷胁迫时间内，齐319轴生根生长速率加快，与足磷对照相比，轴生根的长度明显增加。

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Mechanical seals have been widely used on gas blowers since 2003, as has reduced the leakage from axile seals to zero.

2003年开始在煤气鼓风机上推广使用机械密封，使煤气鼓风机轴封达到了零泄漏。

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Methods: To measure the anterior chamber depth ( ACD), lens thickness, eye axile from thirty New Zealand white rabbits.

方法：测量新西兰兔30只（60只眼）的前房深度、晶状体厚度和眼球轴长度。

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Pollen tube prolongs on the surface of axile placenta in locule for 2-4 hours.

花粉管在子房室中轴胎座表面生长经历2~4h。

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To compute axile rigidity by using ANSYS, can get various deformation for multi-section exactly and simultaneously.

利用有限元分析软件ANSYS计算轴的刚度，可以准确地同时得出多个截面的多种变形。

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Photosensitive Method to Detect Automobile Axile Depth of Unparallelism

光敏检测法检测汽车左右轴距差

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The results indicate that the gap between axile bush and cylinder influences the shearing stress very much;

结果表明：O形密封圈缸筒和轴套的间隙对剪切应力的影响很大；

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Radial interference fit ( 0.1 mm)-336 MPa axile tensile load.

径向过盈配合0.1mm，轴向拉伸载荷336MPa。

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Fast computation reformed algorithm of 2-D axile symmetry image hu ′ s moment invariants

二维轴对称图象高阶胡氏不变矩快速算法的改进

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