螺旋轴

This contains a screw axis of symmetry.

这包含对称一个螺旋轴。

A theoretical analysis method for head-flow rate curves of helico-axial multiphase pump was proposed on the basis of the basic energy equation for axial pump and Bernoulli equation.

基于轴流泵的基本能量方程式和伯努利方程，提出了螺旋轴流式多相混输泵的扬程—流量特性曲线的理论分析方法。

This method is to compare the general motion of a rigid body with the force systems in space and the central axis equation of the force systems in space has been derived beforehand.

本文在此基础上，继续了这一工作，具体地给出了螺旋轴上每一点的矢径及坐标所满足的矢量方程和标量方程，即中心轴方程。

First, if the nucleotide consists of a unit having circular symmetry about an axis parallel to the helix axis, the whole diffraction pattern is modified by the form factor of the nucleotide.

首先，如果核苷酸组成一个单位有一个圆形对称轴平行的螺旋轴，整个衍射图样是修改了外形的核苷酸。

Consequentially, there is demand to reduce temperature variation in the entire machine, not just the screw shaft, in order to prevent adverse effects on precision.

因而，有需求，减少温度变化对整个机器，而不是仅仅是螺旋轴，以防止对精度的不利影响。

Its work is the process of spraying by the pulp put out the warehouse I expected or high water concentration pulper, as well as the initial concentration of the pulp slurry into the mouth of the double helix squeeze machine feed the population through the right and left of the screw shaft Reverse spin, by the end of the pulp to be on the other side.

其工作过程是纸浆由喷放仓的出料口或高浓水力碎浆机的以及经初步浓缩的浆料出浆口进入该双螺旋挤浆机的进料口，通过左、右螺旋轴的反向旋转，纸浆由一端被推向另一端。

Based on the stress analysis to spired axis mechanism,in the aspect of sliding part which smoothes through alveolus intersection, theresearch of parameters optimization, about the middle alveolus of spired axis andthe dimension of sliding part, has been studied. To the problem that the reverseportion at the both sides of spired axis lashed fiercely and fraies quickly, thearticle finely analyses the best curve of alveolus when adding cushiony spring atthe both sides.

在对螺旋轴机构进行受力分析的基础上，从滑块顺利通过齿槽交叉点的要求方面，对螺旋轴中间段齿槽和滑块的尺寸进行了参数优化分析；针对螺旋轴两端曲线齿槽反向段在高速工作时冲击大、磨损快的问题；从减少滑块在齿槽反向段运动的冲击方面，比较分析了圆弧、抛物线、三角函数等曲线作为螺旋轴齿槽反向段曲线的加速度，提出了较优的(来源：ABCab论bf文网www.abclunwen.com)反向段曲线。

At the end of drainage and maturation phases, the auger pushes the curd towards the cutter with rotary disk assembled directly on the shaft of the auger near to the machine outlet; some adjustable knives are assembled on the cutter disk so that it is possible to change the cut thickness.

排放和成熟阶段结束时，螺旋向直接安装在螺旋轴上的转盘切割器推进凝乳，接近机器出口；一些可调整的刀具安装在切割器转盘上，这样它可以改变切割厚度。

Local spiral from the main shaft, base, gear, pulp into the mouth, drum sieve, sieve, reducer, coupling, electrical components and so on.

本机主要由螺旋轴、机座、齿轮、进浆口、筛鼓、筛板、减速器、联轴器、电动机等组成。

Main characters of the feede are described,including diameter of screw axes,screw-pitch,axes rotate speed and power selection etc.Then vane structure models are introduced.

对螺旋给料机设计过程中的几个主要参数进行了阐述，包括螺旋轴的直径、螺距、轴的转速以及功率等，最后还对螺旋给料机的类型进行了阐述。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐