1) pitch
[英][pɪtʃ] [美][pɪtʃ]
螺距
1.
Study and Application of the Calculation Method of the Helical Surface Pitch Error;
螺旋曲面螺距误差计算的研究与应用
2.
Measuring pitch of adjustable pitch airscrew with boring machine;
利用镗床测量调距桨螺距
3.
Study and application of calculation method of helical surface pitch error;
螺旋桨螺距误差的计算及其实例应用
2) thread pitch
螺距
1.
Objective To determine the optimal thread pitch for an experimental cylinder implant in Ansys Work-bench Design Xplorer environment.
目的应用AnsysWorkbenchDesignXplorer优化设计模块,探讨圆柱状V形螺纹种植体螺距变化对颌骨和种植体应力大小的影响,为临床设计和选择最佳的螺纹参数提供理论依据。
2.
In order to meet the demands of production technology and achieve rational filling quantity and rate, stabilize the filling process,the author described the following items to be improved:thread pitch,diameter of helical blade, diameter of belt roller,cone belt of charge
介绍了改造加料机的螺距、螺旋叶片直径、皮带轮直径、三角带等以适应工艺要求,得到合理的加料量和加料速度,确保工艺的稳定,满足生产要求。
3) screw pitch
螺距
1.
By virtue of Finite Element Method DEFORM-3D software and rolling experiment,the effect rules were analyzed in detail,which include the rule of tooth top slope of dies to dimensions(such as tooth height,screw pitch) of trapezia helix tooth shaft and the rule of the tooth top slope to the fracture in the center of the roller.
文章采用DEFORM-3D有限元分析软件模拟和轧制实验验证相结合的方法,详细分析了模具齿顶斜率对梯形螺旋齿形件外形尺寸(齿高、螺距)的影响规律,以及不同齿顶斜率对轧件中心产生破坏的影响规律,得出齿顶斜率的优化区间。
2.
The results showed that the ordinary method of varying screw pitch can not make the screw food distribution uniformty,but the method of varying the thickness of nuts' teeth can make it better,and the life of the screw will be longer.
本文根据轧钢机压下丝杠螺纹副的实际受载和失效情况，对螺纹副的设计问题进行了分析研究，表明采用通常改变螺距的方法不能达到螺纹副载荷完全均匀分布，而改变螺母牙厚度的方法可实现这一要求，从而达到提高寿命的目的。
3.
Abstract This paper introduced how to set up the parametric expression of concrete-mixer truck drum logarithm helical curve in the spherical reference frame, and figure out the screw pitch expression by the drum s design parameter.
通过在球面坐标系中推导搅拌运输车搅拌筒对数螺旋线的参数化方程,并用拌筒的设计参数表达螺距方程。
5) helical pitch
螺距
1.
The helical pitches of the N*-LC were measured and the regularities of change were analyzed.
通过对手征向列相液晶螺距及螺距温度依赖性的研究,发现手性掺杂物分子的末端烷基链的增长对其螺旋扭曲力有一定的影响;而手性碳原子上取代基的改变,对手性分子的螺旋扭曲力和温度依赖性有强烈的影响。
6) fine pitch
小螺距，细牙螺距
补充资料：DNA螺距
分子式：
CAS号：
性质：指DNA的双螺旋链中的任意一条链绕轴一周(360η°)所上升(或下降)的距离。该螺距通常是3.4nm，其中包含十个核苷酸，因此每两个相邻碱基平面的垂直距离为0.34nm，相对于该螺旋轴仅移动36°。
CAS号：
性质：指DNA的双螺旋链中的任意一条链绕轴一周(360η°)所上升(或下降)的距离。该螺距通常是3.4nm，其中包含十个核苷酸，因此每两个相邻碱基平面的垂直距离为0.34nm，相对于该螺旋轴仅移动36°。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条