工作分析
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Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.
本文所做的主要工作包括以下几个内容:一、选取了常见的热膨胀系数大的材料制作封装元件,经过多次一80℃到80℃反复测试,封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷,封装材料具有良好的温敏稳定性及复用性,与光纤相容性较好;二、对光纤光栅进行简单、实用的封装处理,就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验,得出了初步的结论;三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比,从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析,在大量实验数据分析结果的基础上,总结出哪种材料封装效果更好,以及如何有效的减小实验误差。
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Based on the early works, the C program language and the least square method were used to obtain the thermal viscoplastic constitutive equation.A mechanical thermal coupled model was created and DEFORM-2D was used to analyze the thermal and mechanical parameters' changing during the process of adiabatic shearing.
我们在所作的前期工作及国内外的研究成果的基础上,应用C语言程序实现了最小二乘法拟合热一粘塑性本构方程中待定参数的求解过程;在此基础上应用DEFORM 2D 有限元分析系统对,Ti-6A1-4V绝热剪切过程中的热一力变化历史进行了分析;在数值模拟结果的基础上,进行了再结晶动力学的分析与计算。
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A C++ program is developed for composing the stiffness matrix of the temperature field, saving it in changing bandwidth method and calculating the linear algebraic function group through using the Gauss eliminating method. A module for drawing the color fringe of tire temperature field is created, which makes the result more visual. Taking the 9.00-20 cross-ply tire on CA1092 as an example, the finite element numerical simulation analysis of automobile tire 2-D steady temperature field is completed. Through comparing the result with the analysis data by ANSYS, this software is proved to be capable of the modeling, calculating and post-processing of FEA of automobile tire 2-D steady temperature field.
采用C++语言完成了温度刚度矩阵的总体合成及其一维变带宽存贮,以及线性代数方程组高斯消去法求解等工作,采用C++语言实现了汽车轮胎二维稳态温度场云纹图的绘制,使得计算结果更加直观,也更能形象地显示汽车轮胎二维稳态温度场的分布状况,以CA1092(原CA142)五吨载货汽车用9.00-20尼龙斜交胎为例,进行了汽车轮胎二维稳态温度场有限元数值仿真分析,通过与ANSYS分析结果进行比较,说明所开发的有限元建模、求解以及后处理软件能够用于汽车轮胎二维稳态温度场有限元分析。
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On the basis of the archetypal theories in analytical psychology rather than from any specific religion, my thesis offers a summation of the significance of Jungian archetypal images in the theory and practice of psychoanalysis.
而本文的重要工作,在于从分析心理学中的原型理论着手,不是从宗教,而是以对小说中不同人物的精神分析为基础,揭示这种原型意象在精神分析理论和实践中的重要意义和作用。
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The design method is described, and the calculation results are presented under the standard air conditioning condition. The working process of the two-stage expander is discussed, and the difference between the two-stage expander and the conventional one is stated. In addition, the influence of the dip angle on the expansion chamber volume is analyzed. The results show that the dip angle has little effect on the expansion chamber volume and it is suggested that the effect may be neglected in the expander design.
介绍了该膨胀机的设计方法,给出了标准空调工况下的计算结果,详细讨论了两级旋叶式膨胀机的工作过程,并对两级膨胀机与传统旋叶式膨胀机的区别进行了论述,最后分析了滑片倾角对工作腔基元容积的影响,结果显示,滑片倾角对工作腔基元容积的影响很小,在膨胀机的设计过程中忽略滑片倾角的影响是合理可行的。
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In the light of cost index and pollution degree, the characteristics of kinds of pulp are analyzed in detail, and the GP pulp which is low cost, high-yield, no-pollution is chosen as the material of tableware. Based on material element analyzed, shaping technology is designed, the to and for single plane shaping equipment which is high shaping quality, high production efficiency and is easy to automatize is chosen. All kinds of measure are taken to solve the problems which are inequality in the shaping process of GP pulp, and dosage which matches with GP pulp is chosen. Some ways of fixing shape and heat up are analyzed, the technology of saving energy of heat pressing to fix shape being composed of oil heat and only one fixed shape in the mold is applied, with which it is high production efficiency, low cost to fix shape effectively, which saves energy 30 percent. In order to make the production line meet with material of GP pulp, measure are taken to solve the problem of pulp adhered to netlike molding which can lead to carry material difficult, the structure of fully automatic equipment is renovated, the loaded beam is optimizationally designed to make equipment structure compactand improve location precision and products quality. According to technologic flow and actual characteristic, Omron PLC is chosen as the core of the control system, proximity switch as detect unit take the place of touch switch, software is designed reasonably according to time order figure, hardware is simplified, the reliability of system is advanced, the stability of system is assured to make production order. Intelligence neuron PID system is studied theoretically which is made up of both neuron with self-organizing and self-learning function and ordinary PID with the characteristic of the simple structure and high stability, which can automatically tune the parameter with the change of system parameter, remain perfect performance.
按成本指标和污染程度分析各浆料的特点,选择低成本、高得率、无污染的磨石机械浆为原料,在原料组分分析的基础上,设计成型工艺,选择成型质量好、生产率高、易实现自动化的往复式单板成型机,采取各种措施解决GP浆成型不均匀的问题及选择与机械浆相匹配的助剂;分析几种定型方式和加热方式,采用定型效果好、生产率高、成本低的油加热与模内一次性定型相结合的热压定型节能技术,节能30%;为了使生产线适应磨石机械浆原料,采取相应措施解决由于粘网造成物料转移困难,对全自动设备结构进行改进设计,着重对物料传送系统的关键部件——承载梁的进行优化设计,使设备更加紧凑合理,提高设备的定位精度和产品质量;根据生产线工艺流程和现场特点,选用OMRON CPM1A型PLC为主核心,接近开关作为检测元件,替代有触点开关,选用可编程终端代替常规面板按扭,并按照时序图科学合理地设计软件,有效地简化系统硬件构成,提高系统的可靠性,保证系统的稳定性,从而使生产更加通畅有序;从理论上探索将神经元应具有的自组织、自学习要求与PID控制结构简单、稳定性好的全自动纸浆模塑餐具生产线的研究特点结合起来,构成神经元自适应PID控制器,当参数的变化时,系统能自行参数整定,保持优良的工作性能指标,满足实际需求。
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And transform DAS from traditional central server architecture to peer-to-peer architecture. In addition, it provides the DAS developers software framework of the generic DAS based on peer-to-peer to develop a specific DAS. First, This thesis analyses all kinds of instances of DAS and remote monitoring systems, for example SCADA of power engineering; Secondly, Analyses various data acquisition standard, Including OPC, IVI, ODAS and DAIS RFP of OMG; Thirdly, analyses the current application State and character of Peer-to-Peer, content of UPnP and JXTA technology.
在这项研究工作中,首先分析当前不同类型的数据采集系统实例,包括电力调度SCADA系统,远程视频监控系统等一些数据采集与监控系统;第二,分析不同的数据采集标准,包括OPC,IVI,ODAS等数据采集标准,以及OMG的在工业系统中访问数据的标准界面DAIS RFP;第三,分析当前对等网络技术的应用现状和应用特点,并详细剖析UPnP和JXTA技术的技术内涵;第四,在对数据采集系统和对等网络技术的分析基础上,使用OMG的UML建模将通用数据采集系统规格化,建立基于对等网络的通用数据采集系统规格化的概念模型和基于角色的使用案例模型;第五,在通用数据采集系统规格化基础上,提出几个关键软件设计模式构造基于对等网络的数据采集系统软件框架;最后使用电力系统的应用开发实例来验证通用数据采集系统软件框架的可行性。
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Summarizes classification of railway transportation safety investment and the effect factors, expatiate the structure of safety costs, introducing analysis of safety costs and its implementations on railway corporates' investment decision making and safety management. Furthermore, it analyses classification, implementation, and measurement of economic benefits. It also provides fundamental knowledge in later analysis of derogation and efficiency improvement.
概述了铁路运输业安全投入的分类以及影响安全投入的因素;阐述了安全成本的构成、介绍安全成本分析法并将方法应用于铁路企业的安全投资决策与安全管理工作上;分析了安全投资效益的分类、特点、实现方式以及计量方法,为后面分析安全投资减损、增值效益提供分析方法的支撑。
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The Chinese television profession from it that moment which is born in China, experienced take propagandized the attribute as the leading first stage, take creator art work attribute as leading second stage, Enters slowly has occupied the dominant position now by the cultural commodity the third stage, after at present this stage field weight standard is each column weighting the viewing ratio height, But regardless of has various understanding and the discussion to the viewing ratio, also no matter the viewing ratio essence is good or bad, the list from the data analysis starting point, it indeed can reflect and explain very many questions, In view of the fact that the author at the Central Committee Television seventh set of agriculture program " the date of the countryside " the column practical work experience with CCTV Rope Luck Switzerland Investigation Company the data feedback which column each reception of TV investigates to "the date of the countryside", Simultaneously furthermore has to the agricultural dissemination study concrete understanding, this article analyzes emphatically from the television jobholders' angle to this range pole -like viewing ratio data, obtains corresponding fords the agricultural television conversation class program the creation method and to the television medium thorough understanding.
中国电视行业从其在中国诞生的那一刻起,经历了以宣传属性为主导的第一阶段,以创作者艺术作品属性为主导的第二阶段,慢慢进入了现在以文化商品占主导地位的第三阶段,目前这个阶段业界的衡量标准就是各频道各栏目加权后收视率的高低,但是无论对收视率有何种理解和探讨,也不管收视率的本质是好还是坏,单从数据分析的出发点来说,它的确能够反映和说明很多问题,鉴于笔者在中央电视台第七套农业节目《乡约》栏目的实际工作经验和央视索福瑞调查公司对《乡约》栏目各项收视调查的数据反馈,同时更兼有对农业传播学的具体理解,本文着重从电视从业人员的角度对这个标杆式的收视率数据加以分析,得出相应的涉农电视谈话类节目的创作方法和对电视媒介走向的理解。因此本文是建立在对《乡约》栏目的收视率数据分析、受众收视倾向分析以及《乡约》栏目的电视节目创作经验总结基础上所得出的涉农类电视访谈节目的创作规律和理念。
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On the basis of analyzing forecast model of current software reliability synthetically, reliability analysis and evaluation for the control software of servo system, and for the operating and aiming calculation software of fire control system of long-range rocket gun system are also carried out. Theoretically analyzing and designing the reliability qualification tests for the long-range rocket gun weapon system are conducted in this paper, and the correlative results of reliability tests during the development of the weapon system are counted and researched synthetically.
针对目前武器系统软件可靠性存在的问题,分析了影响武器系统软件可靠性的主要因素;结合武器系统软件寿命周期各阶段的工作内容、要求及质量变化规律,研究分析了提高武器系统软件可靠性的设计方法和测试与评估模型,在综合分析了现行软件可靠性预测模型基础上,对远程火箭炮随动系统控制软件、火控系统操瞄解算软件进行了可靠性分析与评估。
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。