条件名条件 condition name condition; condition-name condition
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千万人都在用的超大词汇词典翻译APP
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The estimation results of vibration displacement obtained from the bp neural network model have a good agreement with the experimental results , which reveals that neural network technique combined with the virtual simulation system can be used effectively to predict and monitor vibration in peripheral milling process under different cutting parameters 对比神经网络模型预估的振动结果与实验测量振动信号可以看出,二者数据吻合较好,表明铣削虚拟仿真系统与神经网络技术的结合能够高效低耗地用于不同铣削加工条件下铣削振动状态的快速预估和加工过程监测。
If the operator is experiential , these factors can be overcome . the machines cannot run on more efficient condition or cannot work if the factory has a lot of machines without adaptive controllers . it is necessary that the machines equip a monitoring device 这些因素对加工的影响,当操作者是熟练工人时,可以靠经验来弥补;但是,当自动化的规模达到群控或更大时,如果没有自适应控制使机床能根据加工条件进行自动修正,那么整个加工系统的效能就不能发挥,甚至不能正常工作。
2 . effect of the viscosity ratio , mterfacial adhesion , processing conditions and composition on the dispersing morphology and properties of pp / eoc blends was investigated . low viscosity ratio and high shear rate during processing were found to produce fine and uniform dispersion of eoc in pp matrix , while low viscosity ratio , high interfacial interaction , good fluidity of elastomer and high shear rate in molding process resulted in fibril dispersion , which afford a guide for controlling the morphology of pp / eoc blends 研究了粘度比、界面相互作用、加工条件和共混比例等因素对pp eoc体系分散形态和性能的影响,发现粘度比小和加工过程中剪切强度大有利于弹性体在基体中分散均匀细化;粘度比小、界面相互作用强、弹性体本身的流动性好及成型时受到的剪切应力大,使弹性体相易变形,沿流动方向取向呈纤,阐明了各因素对形态影响的作用机制,这对pp eoc共混物的形态控制具有重要的指导作用。
At the same time , by studying the micro - thought surface form , the structure of aggregation state , mechanics characteristics and properties of tcs microporous man - made yarn - kind new polyester fibre , the changing regularity of micro - thought structure during the fibre formation , and the internal linkage between the formation condition and the micro - thought structure and properties ha ve been researched , too . so the results could provide the bases theory and reference for developing the tcs fibre formation technologies 通过测定tcs微孔化人造丝型新合纤微观表面形态、聚集态结构、力学松弛特征、条干不匀率、新合纤的保水率和染色性能等指标,探讨了tcs微孔化人造丝型新合纤成型加工条件对其形态结构和性能的影响以及它们之间的内在联系和规律性,为探索出一套较为完善和成熟的tcs成型加工生产工艺,以及实现工业化开发提供理论和科学依据。
Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head , to machine micro - holes on hard and brittle materials such as soda glass and si , to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio . in this experiment , the micro - tool was made through wedg 文摘:通过以wedg放电加工手段制作微细超声加工用工具,在采用工件加振方式的微细超声加工机上对碳酸玻璃、半导体硅等硬脆材料试件进行微孔加工的实验,来探讨在某一特定加工条件下工具材料、工件材料、工件的振幅、加工静载荷、磨料悬浮液浓度、工具长度及工件尺寸等重要因素对加工速度、工具损耗率的影响,为微细超声加工技术的实用化提供参考依据。
The ultrasonic inspection technology is established for inspecting the interior of metal work to understand processing progress , internal structure change and problems at the development stage , which can be served as feedback to the processing procedure for improving processing conditions and as the reference of product for subsequent processing and drawing back 建立超音波检测于检测金属加工件内部技术与研究,以便在研制阶段协助了解加工过程或金属加工件内部结构变化与问题,并回馈至加工制程来改进加工条件,且也可作为产品后续加工及剔退的参考。
When the eccentricity distance is different , the distribution form of average pressure density in machining zone is given . in the lapping and polishing experiment , sic materials can be evenly removed by choosing reasonable process conditions and parameters , and the surface will convergence to prefect shape . this is helpful to the study on quantificational machining technologies of aspheric components 主要内容和创新点包括: 1 、根据平面研抛的成形原理和材料去除特点,建立了工件表面相对运动轨迹的数学模型,给出了不同偏心条件下加工区域的平均压强分布形式;在sic工件的平面研抛实验中,通过选择合适的加工条件和对工艺参数进行调整,能够实现表面材料的均匀去除,获得理想的工件面形,同时也为非球面确定量研抛提供工艺指导。
All this has laid a strong foundation for selecting a subject of maskless afm nanolithography , i . e . , field - induced oxidation of si semiconductor . in chapter two , a high - intensity current between a probe tip and a sample is discussed first . electrical intensity between them is simulated using matlab software after an electrical model is introduced , thus theoretically analyzing the effect of tip radii , tip - sample separation , radii at the sample , and biases on the morphology of field - induced oxidation 第二章首先讨论了扫描探针与样品之间的高密度电流,得出了电流密度与偏置电压和探针?样品间距密切相关,其关系不能以简单的线性或指数函数来表述的结论;然后引进了扫描探针场致加工的电场模型,利用matlab模拟探针与样品之间的电场强度,分析了扫描探针加工条件包括探针针尖曲率半径、探针-样品间距、样品平面半径以及偏置电压等对场致氧化物几何形态的影响。