初步设计
- 与 初步设计 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First chapter is the summary, mainly introduced the project basic survey; Second chapter for the dam site hydrology characteristic, introduced the Hubei -01 key project in the basin specially is nearby the dam site hydrometeorology survey; Third chapter for the key position and the storehouse district terrain geology condition, introduced explained the dam site specially is nearby the dam spool thread terrain geology condition; Fourth chapter for the key position building shaping and the hydrology computation, including determined key position the project rank, the building shaping, adjusts Hong to calculate, blows off the bottom hole cross section size drawing up with initially to draw up the key position scheme of arrangement; Fifth chapter draws up for the size with the dam body arrangement, including the shaping, the Liang section plane determination, the dam body dam base guards against infiltrates the draining water facility the arrangement and the dam body plane arrangement and the stress stable analysis computation; Sixth chapter for the flood discharge design, mainly is the top of dam detailing and the downriver disappears can design; Seventh chapter for blows off the building the design, mainly is to imports the building the detailing strobe arrangement and Kong Shen and the exportation disappears can the design; Eighth chapter pilots the system and the power plant workshop design for the power plant, mainly is directs the system and the power plant workshop design to the power plant; Ninth chapter is ground processing, including ground excavating, the cleaning up, solidifies the grouting, the curtain is in the milk and all that some processing measure.
第一章为综述,主要介绍了工程的基本概况;第二章为坝址水文特性,介绍了鄂-01枢纽工程所在流域特别是坝址附近的水文气象概况;第三章为枢纽及库区地形地质条件,介绍说明了坝址特别是坝轴线附近的地形地质条件;第四章为枢纽建筑物的选型及水文计算,包括确定枢纽的工程等级,建筑物选型,调洪演算,放空底孔断面尺寸的拟定和初步拟定枢纽布置方案;第五章为拱坝尺寸拟定和坝体布置,包括拱坝的选型、拱冠梁剖面的确定、坝体坝基防渗排水设施的布置及坝体的平面布置和应力稳定分析计算;第六章为泄洪的设计,主要是坝顶的细部设计和下游消能设计;第七章为放空建筑物的设计,主要是对进口建筑物的细部设计闸门布置及孔身和出口消能的设计;第八章为电站引水系统及电站厂房设计,主要是对电站引系统和电站厂房的设计;第九章为地基处理,包括地基的开挖,清理,固结灌浆,帷幕灌浆以及其他一些处理措施。
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China has implemented new courses in a few years, the study of middle school teachers teaching and students studying math on the investigation at this stage Instructional Design Research expounded on the need from classroom teaching and learning theories analysis, to find guidance in the design of classroom teaching under the new curriculum theory and classroom teaching on the design analysis of the whole process; From the typical class (class mathematical concepts and mathematical theory classes and study complicated math classes, the study of mathematics learning courses, open learning mathematics classes, cooperative learning math lessons) teaching the practice of design study, initial design, this is my classroom teaching design in recent years the practice of summary, the results of this study reflect.
新课程在我国已实施好几年了,本研究通过对初中教师与学生数学教学情况的调查,阐述研究现阶段课堂教学设计的必要性;从课堂教学理论、学习理论的分析中,寻找指导新课程下课堂教学设计的理论,并就课堂教学设计的全过程进行剖析;从几种典型课(数学概念课、数学原理课、数学复习课、数学研究性学习课、数学开放探究课、数学合作学习课)的课堂教学设计的实践研究中,提出初步的设计思路,这既是本人近年来课堂教学设计的实践总结,也是本研究的成果体现。
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The research of this thesis is under the circumstances that the international shipping center of Shanghai builds Yangshan deep water port project, first of all, through its SWOT analytical method analyze Shanghai maritime affairs situation, maritime affairs office existing boat policy, Yangshan deep water port hydrometeorological situation, analyze the present main ship type, to explain the background of the choice the ship the small waterline, to put forward the necessity of building small water-plane area twin hull maritime affairs patrol ships. Then, it introduces the principle, characteristic of the small waterline, and has analyzed the domestic and international state of development of the SWATH ship, and conclude that it is feasible to build SWATH maritime affairs patrol ship technical, through the research and analyze of design at home and abroad,; Then it analyzed the application of the SWATH ship in maritime affairs manage both at home and abroad, put forward the preliminary scheme, and carry on research to the economic performance of technology of the scheme, through putting forward the preliminary model of plan of design to main yardstick and selecting type of host computer finally after relatively optimize, and confirm design specifications .
本文的研究是在上海国际航运中心建设核心工程洋山深水港的大前提下,首先,通过利用SWOT分析方法分析了上海海事局面临的形势,对上海海事局现有航政管理船舶现状进行分析,对洋山深水港海域的水文气象情况进行了调研,对当前主要船型进行分析,对选择小水线面船的背景加以阐述,提出建设小水线面双体海事巡逻船的必要性:接着,对小水线面船的原理、特点加以介绍,并对小水线面船国内外发展状况进行了分析,对国内设计建造小水线面双体海事巡逻船的技术可行性进行了研究分析,得出国内设计建造小水线面双体巡逻船在技术上是可行的;然后对国内外应用于海事管理等工作的小水线面船型进行分析,提出初步的方案,并对方案的技术经济性能进行研究,通过对主尺度和主机选型等进行比较优化后最终提出初步的设计方案模型,并确定设计任务书。
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Firstly, the basic concept of software/hardware co-design and the present research situation worldwide is introduced, the techniques are also discussed separately in the thesis, which is in the system description stage, system architecture design stage, hardware/software design and implementation stage. Secondly, combined with three representative methods of hardware/software co-design systems: POLIS、VULCAN and CORSAIR, the main steps of co-design are studied and analyzed including system description, hardware/software partitioning and hardware/software implementation-synthesis, and some new ideas are given here. Thirdly, UML and modeling technology of embedded systems using UML are described clearly, a handheld terminals is a good example for this, furthermore, the algorithm of how to convert the UML diagram into SystemC codes is mainly concerned on in this thesis. Fourthly, the basic concept of SystemC is described, and the SystemC Modeling platform and simulation mechanism are analyzed, software/hardware co-design methods using SystemC are discussed. Finally, by applying co-design ideas using UML and SystemC, software/hardware co-design system using UML and SystemC is preparatorily implemented, which is to establish a development environment for designing embedded system.
本文首先介绍了软硬件协同设计的基本概念和国内外研究现状,并分别论述了系统描述阶段的技术、系统结构设计阶段的技术、软硬件设计与实现阶段的技术;接着结合POLIS、VULCAN和CORSAIR 三种有代表性的软硬件协同设计方法,对系统描述、软硬件划分、软硬件实现综合等几个主要设计步骤进行了研究与分析,并提出了新的方法和思路;然后详细介绍了UML及基于UML的嵌入式系统建模技术,并以嵌入式手持终端系统来举例说明,重点研究将UML的视图转换成SystemC代码的算法;其次介绍了SystemC的基本概念,分析了SystemC 的建模平台和仿真机制,并对基于SystemC 的软硬件协同设计方法进行探讨;最后应用基于UML和SystemC的软硬件协同设计的设计思路,初步实现基于UML和SystemC的软硬件协同设计的设计系统,目的是建立一个用于嵌入式系统设计的开发环境。
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On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.
本文在综述醋酸-水体系分离方法的基础上,以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂,对醋酸水溶液进行共沸精馏过程研究,详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响;对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算,讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响,获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据,并对两种精馏方法的投资、操作能耗进行了比较;同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算,并对填料塔的主要辅助设备及塔内件进行了初步选型。
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Through the course, students are expected to learn the basic theories of house construction; to master the general construction making of buildings and the drawing methods of detailed construction pictures; to be able to read shop drawing of general industrial and civil buildings and draw building's shop drawing according to design intentions; to know the construction design principles for general buildings; to have basic knowledge of construction design and to be able to correctly understand design intentions.
建 筑构造部分介绍建筑的组成、各组成部分的构造原理和构造方法,建筑设计部分介绍一般建筑的设计原则和设计方法,包括总平面布置、平面设计、剖面设计、立面体型及细部处理等方面的问题。通过这门课程的学习,使学生掌握房屋构造的基本理论;初步掌握建筑的一般构造做法和构造详图的绘制方法,能识读一般工业与民用建筑施工图,并能按照设计意图绘制建筑施工图;了解一般房屋建筑设计原理,具有建筑设计的基本知识,正确理解设计意图。
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Main points of the thesis are as follows:(1) The main function models and information relations between these models in the CAPP system in the integrated CAD/CAM project are explained, a new process plan design method is mentioned based on analyses of process plan design. This method is based on the process plan prototype, and develops the prototype little by little until the perfect process plan is completed, the prospect of this method is discussed;(2) The feature abstracting rules and methods are studied, a feature coding system is developed based on GT, all the defined feature models are described by the mathematical methods;(3) The integrated method of CAD/CAPP based on features is mentioned, this method defines a feature exchanging model, and develops an interface software to exchange design data into technology data base, this technology data base includes the design and technology information of the parts;(4) The process plan reasoning method based on features is created, this method uses Mycin algorithm to solve the reasoning of the feature process plan. A process plan making system is developed. In this system part process plan is made by the semi-intelligent method, this method uses the feature reasoning, feature process chain searching and man-computer talking together;(5) The main structure of the HOPE system is introduced, a shaft drawing and its process plan made by this system are shown, the data process problem in process drawing making is also discussed;(6) A new method of describing process rule is introduced, this method uses IfThen rules and neural nets weight values together to describe process rules, the BP algorithm is adopted in this method;(7) The optimal machining sequence problem of the process steps on the same fixturing is discussed, optimal algorithms SA is applied to solve this problem, the result shows that this method is more efficient than the traditional method;(8) All jobs in the thesis are summarized. In order to carry out the research in the future, some rational proposals are given.
全文论述的内容主要有下列几个方面:(1)较为系统地阐述了CAD/CAM一体化工程项目中CAPP系统的主要功能模块及其信息流程,在分析工艺设计过程的基础上,提出了基于特征原型的渐进式工艺设计方法,并探讨了该方法的应用前景;(2)研究了零件特征提取的原则和方法,在成组技术的基础上,开发了一套基于特征的分类编码系统,并在提取零件特征的基础上,定义了零件特征的数据模型,开发了基于轴类零件特征的参数化设计系统;(3)研究了基于特征的CAD/CAPP集成的方法,通过定义零件特征数据模型的存储结构,开发了将设计数据转换到工艺数据库中的接口程序,为后续的CAPP系统提供必要的零件形状和工艺信息;(4)研究了基于特征的工艺推理方法,将Mycin算法应用到工艺决策中,开发了基于特征的工艺推理及工艺方案生成系统,在系统中综合运用特征推理、特征加工工艺链查询及人机对话相结合的半智能化方法确定零件加工工艺;(5)介绍了整个HOPE系统的总体结构,通过运行HOPE系统绘出了一轴类零件的零件图,并生成了该零件的加工工艺方案,初步探讨了基于特征的工序图生成技术中数据处理问题;(6)研究了工艺设计过程中知识如何有效表示的问题,提出了将显式的IF-THEN规则表示与隐式神经网络权值表示相结合的工艺知识表示方法,并利用BP算法进行了工艺知识表示的初步研究;(7)研究了工艺设计过程中同一安装下工步优化排序问题,利用神经网络中基于模拟退火的理论来解决该工步优化排序问题,实践证明该方法较传统的算法具有更高的效率;(8)总结了本文所进行的研究工作,为今后进一步开展工作提出了较为合理的建议。
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This thesis has preliminary designed a forest firefighting expert system of existing StandHeilongiiang area .
本文初步设计了一个适合于黑龙江地区的森林扑火专家辅助决策系统。
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The results of this method agree well with the theory data. On the same time, the present method costs much less than numerical methods. In a whole, it is applicable to the parametric design for the heat shield of projectile.
采用这种方法计算出的表面热流、温度与理论值吻合较好,而计算效率又远远高于纯数值方法,适合于弹头防热方案的初步设计阶段。
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The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.
本文研究的主要内容如下:通过大量的计算、分析和对比,总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同,为深入了解异形截面柱的特点提供必要的基本概念和数据;通过大量的弹性及弹塑性计算分析,在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下,在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律,并在此基础上总结归纳出异形柱结构的最大适用高度规定,可用于规程,以便于在确定方案时起到宏观控制的作用;对肢长与肢厚比在4~5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨,提出初步的设计方法;通过对典型工程的弹塑性动力时程分析,检验异形柱结构的薄弱层及屈服、破坏、倒塌机制,以达到建筑物大震不倒的抗震设防要求;通过理论分析,推导出异形柱结构自振周期,以及适宜自振周期、适宜刚度的工程实用简化计算公式,为经济、安全、合理地确定结构方案提供简便实用的方法;在本文理论分析、计算以及大量的研究成果基础上,总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容,并在此基础上提出异形柱结构的抗震设计建议。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。