evolute

According to the distribution disciplinarian of the gear 's normal on the pitch-curve , the equations of the gear 's tooth evolute are set up by analytic method ;

由齿形法线在节曲线上的分布规律，用解析法建立齿形渐屈线方程；

He then treated the evolute of a plane curve .

然后他讨论了平面曲线的渐屈线。

Besides , this space evolute with the time and the society .

而且，这一空间也在随着时代的发展、社会的变迁而不断演变。

Virtual Variation for Calculation of Normal Gear Backlash External Evolute Gear Transmission

外啮合渐开线齿轮传动法隙计算的虚拟变位法

Optimization of value of measurement with measuring rod checking method for 300 evolute spline

30°渐开线花键量棒检验法测量值的优选

Technological innovation is a complicated system , and this system always evolute from inferior to upper .

技术创新是一个复杂的系统，而这个系统总是从低级向高级进化的。

Evolute of Cone Curve and Drawing with Compasses and Ruler of Special Point

圆锥曲线的渐屈线及其特殊点的规尺作图

To assure good quality in production of evolute spline , it would apparently be involved in the method and value of measurement .

要保证渐开线花键的制造质量，必然涉及到测量方法与测量值。

Based on above , the graphics simulation of the evolute and tooth are finished , which provides theory basis for this new kind of gears .

并由所建立的方程进行了蜗线齿轮及其共轭齿轮的渐屈线及齿形的图形仿真，为新式齿轮的开发应用提供了理论依据。

Source rocks in Eogene evolute from organic matter to oil and gas during bury . subsidence and increasing temperature in Tertiary and Quaternary .

下第三系烃源岩有机质向油气的转化主要发生在第三系-第四纪的埋藏沉降增温过程，第三纪岩浆活动对第三系烃源岩有机质成烃有重要影响。

Process of parametric modeling of bevel gear with standard evolute tooth on PC based CAD system is presented . Development of Parameterized Design for Straight Bevel Gear Based on SolidWorks

提出实体参数化逆向造型设计的方法，介绍应用该方法开发圆锥齿轮三维实体参数化造型设计系统的过程.基于SolidWorks的圆柱直齿轮参数化设计

Rudders used in China 's vessels did evolute from oars according to the undoubted excavated cultural relics and the relics handed down from ancient times .

据确凿无疑的出土的及传世的文物，中国船舶的舵是由桨演变而来的。

The excess interfacial free energy between polymer chains and conductive particles results in unstable percolation network structure , which therefore tends to evolute in order to reduce interfacial energy during annealing .

高分子分子链与导电粒子间相接触产生过剩的界面自由能，导致逾渗网络结构不稳定，热处理时导电粒子倾向于通过团聚减小界面能。

The paper explains three types of evolute of cone curve , and introduces curvature center on top of cone curve and drawing way with compasses and ruler of curvature circle .

给出了三类圆锥曲线的渐屈线方程，介绍了圆锥曲线顶点处的曲率中心和曲率圆的规尺作图方法。

First we give the characteristic property of a spherical curve , then we discuss the contact between the geodesic circle and the spherical evolute , and the properties of the spherical evolute .

首先给出了球面曲线的性质，然后讨论球面曲线与测地圆的切触和球面渐屈线的性质。

At the same time , during implementing teaching of studying with self-determination , discovery and cooperation , teachers also perfect the teaching methods , rich the practical experience , promote teachers to update and evolute their structure disciplines .

与此相应，教师在实施合作学习过程中完善了教学方法，丰富了实践经验，促进了教师内在专业结构不断地更新、演进。

Based on introduction of knowledge about algebraic operation among line seg-ments , it is discussed how to diagram the conic section and its evolute , some non-conic section using compasses and straightedge in this paper .

在介绍用规尺进行线段之间代数运算知识的基础上，讨论如何利用规尺作图法作出圆锥曲线及其渐屈线、某些非圆锥曲线的图象。

Deciduous broadleaf forest and artificial coniferous forest occupy most of the area , and will evolute from the communities of tree species with no shade tolerance to the communities of tree species with dominant shade tolerance .

落叶阔叶林和人工针叶林已成为该地带的主要植被类型，它将由强阳性树种占优势的群落向耐阴性树种占优热的群落演替，演替中土壤和人类有着积极的作用。

According to the tooth thickness taper of evolute internal spline taper spindle in tooth , calculate the tailstock block-up thickness of the gear grinding machine , determine the grinding wheel angle of the gear grinding machine , and process the evolute taper spindle .

根据渐开线花键锥度芯轴在齿向的齿厚锥度计算磨齿机尾架垫高厚度，确定磨齿机砂轮角度，加工出渐开线锥度芯轴。

To determine the tooth thickness taper of evolute internal spline taper spindle in tooth , theoretically , it is necessary to check the tooth shape locating taper spindle and the locating precision after the workpiece is mounted , as well as design the evolute taper spindle .

确定渐开线花键锥度芯轴在齿向的齿厚锥度，理论上必须验证齿形定位锥度芯轴与工件装配固定后的定位精度，设计渐开线锥度芯轴。

When changing and processing spiral shell 's bevel gear , it is necessary to use evolute internal spline tooth shape locating taper spindle for backing processing , so as to meet different spindle precision requirements of evolute internal spline reference circle , bearing fit circle and gear pitch circle .

螺伞齿轮更换加工过程中，需使用渐开线内花键齿形定位锥度芯轴支承加工，才能达到渐开线内花键分度圆与轴承配合圆及齿轮节圆同轴精度要求。