查询词典 fluted-wheel

The company mainly produces fiber reinforced book-wheel, wheel-shaped cymbals, the needle for grinding wheel, and so on.

公司主要生产纤维增强树脂簿片砂轮、钹形砂轮、注射针磨削专用砂轮等等。

Sandilands factory specializing in the production of unlicensed resin grinding wheel, wire wheel, wool wheel, polishing paste, PVA×, 1000 round, round flower-page series of abrasive products.

本厂专业生产德倫牌树脂砂轮、钢丝轮、羊毛轮、抛光膏、PVA抛光轮、千页轮、花页轮等系列磨具产品。

In this paper, the influence of track stiffness on vibration and noise of highspeed wheel/rail system for slab track is investigated under the excitation of wheel/rail roughness on the basis of wheel/rail noise prediction model.

文献仁1〕在国外轮轨噪声相关研究的基础上，结合机车车辆一轨道藕合动力学原理2〕，提出了列车一轨道多轮对系统的轮轨噪声预测模型。

From Western Jin to Tang(ca.7th century)at least 5 Buddhist classics mentioned different scales of earth wheel,water wheel and wind wheel,which shows that the theory had different schools in ancient India.

从西晋到唐代（约7世纪）至少有5部佛经提及地轮、水轮、风轮的各不相同的具体尺度，这说明这一理论在古代印度有不同的流派存在。

This theory holds that the earthfloats on a water body,the water wheel resides ina wind wheel,and the wind-wheel in supported by the immense void,so each of them does not drop or fall down.

知识词典自然科学史研究京297～303K5世界史陈美东19991999印度古代关于一个小世界的结构的理论，至迟在西晋（265—317年）时期便已随佛教的东来传入中国。

The article gives a design of an NIR instrument with filter. The working theory of the instrument is: during wheel running a circle , ray from light source irradiates the sample after it through a certain filter of filter wheel, so ray would carry the absorption spectrum of sample . We can know components of the sample by analyzing the ray . Filter wheel is its light splitter.

本文给出了一个使用滤光片作为分光器件的近红外光谱仪的控制电路设计方案，其工作原理是：当滤光轮转动时，光源出射光经过滤光轮上的某一滤光片，再照射到样品上，经样品池出射的光携带有样品的吸收光谱信息，滤光轮转动一圈，可得到样品不同波长处的光谱信息，通过后期数据分析可得到样品的成分含量信息。

During the course of solving the grinding wheel cross-sectional profile, it also analyses the grinding wheel cross- sectional profile errors and the errors sensitive parameters,which are resulted by the existence of the drill end-sectional errors and the relative position errors between the drill bit and the grinding wheel.

并分析了在求解砂轮截形的过程中，由于存在钻头端截面误差和钻头与砂轮相对位置误差，所带来的砂轮截形误差及其误差敏感性参数。

The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model Results indicate that high stress area appears on the wheel web, and the strength of wheel meets the requirement of routine operation under current braking condition.

采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。

With the development arise some problems of the wheel/rail performance, the requirement of the train traction for the adhesion of wheel/rail will become more and more strict, and rail corrugation of wheel/rail, rolling contact fatigue and derailment will become more and more serious. The solution to the problems will have direct effects on the railway development.

当前世界铁路正朝着高速和重载的方向发展，随之而来的是列车牵引对轮轨粘着的要求越来越高，而轮轨的波浪形磨耗、滚动接触疲劳、脱轨等轮轨关系问题越来越严重，其解决与否直接影响到铁路的快速发展。

The development tendency of the railway construction in the world today is serving high speed trains and csirrying heavy load. With the development arise some problems of the wheel/rail performance, the requirement of the train traction for the adhesion of wheel/rail will become more and more strict, and rail corrugation of wheel/rail, rolling contact fatigue and derailment will become more and more serious. The solution to the problems will have direct effects on the railway development.

当前世界铁路正朝着高速和重载的方向发展，随之而来的是列车牵引对轮轨粘着的要求越来越高，而轮轨的波浪形磨耗、滚动接触疲劳、脱轨等轮轨关系问题越来越严重，其解决与否直接影响到铁路的快速发展。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。