查询词典 helical angle

The liquid crystal display has a chiral ferroelectric smectic liquid crystal between two transparent plates with electrodes for generating an electric field, and polarisers in front of and behind the liquid crystal, the ratio d/p of the thickness d of the liquid crystal layer to the pitch p of the helical twisting being larger than 5, the smectic tilt angle theta 0 being between 22.5 DEG and 50 DEG , and the product d.

一种液晶显示单元，它具有：一种在两块透明平板之间的手性铁电近晶液晶；用于产生电场的电极；在液晶前后各有一偏振片，液晶层的厚度d与螺距扭曲的螺距高度p的比值d／p大于5，近晶倾角θ 0 为22.5～50°，厚度d、倾角θ 0 的平方、双折射率△n和光波长λ倒数的乘积dθ 2 0 △n1/λ大于0.45μm。

The object of this paper is to analyze and compare the different solid modeling methods of the helical gear from the angle of computer graphics theory.

引言斜齿轮作为机械工程中的基础件，其实体模型的实现方法已有大量文献进行了报道，已不再是技术难点。

Fully use the function of Pro/E parametric technology to achieve the three-dimensional parameterized modeling of involute helical gear with displacement angle.

充分运用Pro/E软件的参数化技术，实现渐开线角变位斜齿轮的三维参数化建模。

Furthermore, the forming die can realize single punch extrusion according to different die carriers and equipment, double punch extrusion in opposite directions, as well as the extrusion of the helical cylindrical gear with big helix angle.

本发明结构简单，易于制造、安装，可根据不同模架和设备实现单个冲头挤压，也可实现两个冲头对向挤压；可以实现大螺旋角齿轮的挤压；成形力小，下料精度要求低。

As the same time design variables,such as cutting head diameter, cutting first hand tap corner,rise angle of the helical blade,and so on,and subjection functions were discussed.

论文摘要：选择截割头钻进速度作为优化设计的目标，选取截割头直径、截割头锥角、叶片螺旋升角等作为设计变量，讨论了其隶属函数。

In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix angle are equal.

在横渡螺线齿轮设计，当节面角是相等的时，极小值滑的速度得到。

In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix angle are equal.

在交错轴斜齿设计中，当该齿的斜角相等时所产生滑移速度最小。

The influences of curvature, torsion and inclined angle of cross section of the pipe on the flow characteristics are analysed and studied in the fully developed steady laminar flow of helical square pipe.

借以分析研究了螺旋状矩形管在定常、充分发展的层流流动中，管的曲率、挠率和横截面倾斜角对流动特性的种种影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。