English translation for "对研"
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- facing up
Related Translations:
研一生: first-year graduate student 研末: levigatelevigationplverizationpulverization
- Example Sentences:
| 1. | The main content and innovation include : 1 . the shaping principle and removing feature of sic materials in plane polishing process are studied . the mathematics model of workpiece ' s relative motion path is founded 本文以jm030 . 2型平面研抛机和自研的光学非球面复合加工机床为对象,对研抛过程中sic材料的去除特点及影响因素进行研究,在此基础上建立确定量研抛的数学模型。 | | 2. | The effects of pitch angle , rolling angle , pad velocity , rotation speed and standard nominal clearance on load and moments were obtained by analyzing the numerical results , and the effects of external load , external moments ( x - axis and y - axis ) , rotation speed and pad velocity on fluid pressure distribution , on tilt angles , azimuth angle and standard nominal clearance are further studied . the reason for the existence of negative pressure in ctp and its effect on the polishing result was discussed . it is proved that ctp can achieve the best 通过对仿真结果的分析,给出了工件倾角、转角、抛光速率、角速度及中心膜厚等主要研抛参数变化时工件的承载能力变化,也即压力积分载荷、压力转矩的变化;分析了外加载荷、 x / y轴转矩、抛光速率、角速度变化对加工过程中工件偏转角、方位角及中心膜厚的影响;讨论了全膜接触模型中负压产生的原因及对研抛结果的影响。 | | 3. | Apart from the most historical materials collected from those historical books written in biographical style , the most valuable things are the many rare chorographic materials preserved in this book , which are of better reference value for researching the history of wei , jin , northern and southern dynasties as well as the history and geography of the nanjing district 全书20卷,采摭繁富,有不少史料多出正史之外,还保存了许多稀见的方志地记资料,弥足珍贵,对研治魏晋南北朝历史及南京地区历史地理等具有较高的参考价值,可惜长期以来未能得到应有的重视。 | | 4. | Comparing and analyzing the synchronous control strategy , which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve , which forms closed loop control ; basing on the above methods , models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller , we can realize regulating parameters , minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model , which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties . the theory of plc control in dshp is discussed after advanced understanding of the system movements . hardware design and general regulation are given on the base of siemens company products s7 - 200 plc 本文根据大量的国内外文献,对研配液压机的工作原理及设计结构进行了简介;对位置同步的控制方法进行了比较分析,提出比例阀和伺服阀复合控制的闭环结构来对非对称双缸进行同步控制电液比例同步控制方案;在此基础上着重对比例阀控非对称缸建模,最后得到位置控制系统的总体数学模型,从理论上对同步系统动态特性进行了分析,并用pid控制器进行参数整定,减小双缸同步误差、提高系统的动态响应性能;其中控制性能的分析借助于matlab软件中的simulink工具箱,由已建立的数学模型形成仿真模型,得到可视化的仿真结果,从而利于交互方式下调整参数,了解不同的参数对系统的影响,优化同步系统的动态性能;在深入了解系统的动作特性后,对plc控制研配液压机的原理进行了探讨,针对siemens公司s7 ? 200型plc给出了硬件设计的总体规划,编制出研配液压机动作控制程序,在编程中着重研究位移传感器与plc的通讯、双缸同步运行的pid控制在plc上的实现及bcd码拨盘输入程序的植入问题。 |
- Similar Words:
- "对亚硝基二甲苯胺" English translation, "对亚硝基二甲基苯胺" English translation, "对烟雾敏感的" English translation, "对严格一些" English translation, "对严加监督" English translation, "对研究方法和发展过程的系统性研究" English translation, "对延迟黄金梨" English translation, "对延迟所负责任" English translation, "对延期所负的责任" English translation, "对言语刺激的反应" English translation
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