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- This paper analyses and calculates the geometric parameters of the double arc ball slide. 本文对双圆弧截面滚珠导轨的几何参数进行了分析和计算。
- The method is to study the alterative trend of performance characteristics when the geometric parameters change. 第三,多模型比较研究,考察主要几何参数变化对泵性能的影响。
- The commonality of the geometric parameters and the factor of safety in the grouping can again be seen in both estimates. 在这两个估计式中,都有共同的几何参数和安全系数的组合因子。
- Relationship of the geometric parameters and the grinding parameters of the hyperboloid twist drill were discussed deeply. 介绍了以回转双曲面作为麻花钻后刀面的数学模型 ,设计参数与刃磨参数的关系。
- An effective method was proposed and applied to the machine vision system of reedswitche-madding device to monitor the geometric parameters. 机器视觉系统在工业中的应用日益广泛,而在应用中要求满足稳定性和实时性的要求。
- Objective To get the geometric parameters of the articular surface of the trapeziometacarpal joint for dynamic analysis of the joint. 目的通过对拇腕掌关节面定点测量,计算弧长和曲率,为探讨拇腕掌关节的功能提供几何形态参数。
- Finally, the geometric parameters for two basic kinds of UHVAC power transmission towers, i.e., the cathead tower and cup tower, are proposed. 最后,提出特高压2种基本杆塔结构(猫头塔和酒杯塔)的几何参数供参考。
- The result shows that the requirements on improvement of lateral pneumatic stability of trains can be met by changing the geometric parameters of the carbody section. 结果显示:通过改变车体断面的几何参数可以达到改善列车横向气动稳定性的要求。
- The geometric parameters of two cavities are optimally seeked out so as to make the eigenfrequency between the cavities couple each other and impel out fluid resonance. 虽然串联喷嘴阻力损失的增加,使射流平均能量有所降低,但射流的瞬时能量得到了调制,激励出更大的流体振荡。
- One is the geometric parameters of a flip-chip package are random variables.The other is parameters of the Coffin-Manson equation are also random variables. 研究方法为在适当随机考量下,利用有限元素软体,模拟覆晶构装体受温度循环负载,得到等效非弹性应变范围,再经由寿命预估公式求得构装体的随机疲劳寿命及其量化可靠度。
- Not situated at or in the geometric center. 离心的不位于或在几何中心的
- Calculations show that the H8TPyP6+ has a saddle-distorted D2d structure, and the geometric parameters agree well with the X-ray data The observed Raman bands of H8TPyP6+ were assigned on the basis of DFT calculations and the deuterated shifts. 计算结果显示H8TPyP6+具有鞍型变形的D2d对称性结构,四个吡咯环交替倾斜地分布在卟啉平面的上下侧,计算所得的结构参数与X射线晶体结构基本一致。 在DFT计算结果和氘代位移的基础上对拉曼谱带进行了指认。
- The structures of [Fe(H2O)m(OH)n]x(m+n=4;x=3+,2+,1+,0,1-) have been optimized by the Density Functional Theory(DFT) method at the B3PW91/6-31G(d,p) level. The geometric parameters,charge distribution and total energies of the complexes have been analyzed. 在B3PW91/6-31G(d,p)计算水平上,对铁离子配合物[Fe(H2O)m(OH)n]x(m+n=4;x=3+,2+,1+,0,1-)的5种可能构型进行优化计算,分析比较了优化结果的几何构型、电荷布居以及能量。
- Based on the features of NC milling on Ti alloy curved faces, the geometric parameters of ball end mills for fluting on Ti alloy curved faces are optimized by using orthogonal test method. 根据钛合金曲面数控铣削加工特点,利用正交试验法优化钛合金曲面开槽用球头立铣刀的几何参数。
- In this paper, the meshing characteristics of the corotating twin-screws rotor is detailed. It is discussed how the geometric parameters of the rotor effect the kinematic behavior ofthe system. 通过对同方向旋转的一对转子的运动分析,应用啮合原理,得出了转子廓线的啮合特性。并且讨论了螺杆的几何参数对其性能的影响。
- The geometric parameter design and optimization of coils and magnetizer in the magnetic circuit assure the intensity and uniformity of magnetic field to lay over the GMM rod. 第四章搭建了GMM换能器试验平台,测试预压力和偏置磁场对其工作能力和能量传递效率的影响,优化了初始预压应力和磁偏置;
- Finally, compute the geometrical parameters of deformed grids and strain contribution on the piecework surface. 最后,由特征点的空间坐标,计算出各圆的几何参数和应变,得到工件表面的应变分布。
- There are several total sonic band gaps found in this band structure and adjustment of the geometrical parameters can be used to obtain large sonic band gaps. 在压克力?空气周期性结构排列下可以发现许多全频沟的产生,因此在针对声波频段而言,适当地以不同尺寸排列下可以得到很大的全频沟现象。
- To make the experimental platform of controlled plate five-bar lingages work well,the geometrical parameters of five-bar linkages must be rationally ascertained. 通过合理确定受控平面五杆机构杆件的几何参数,以保证受控平面五杆机构实验台能够正常工作。
- The reasonable ranges of the geometrical parameters are given by analyzing the influences of the vertex angle and cutting angle on impact force and penetration displacement. 通过分析棱柱杆的几何参数对撞击力和侵入位移的影响,给出了棱柱杆主要几何参数的合理范围。