概念作用的
- 与 概念作用的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This project studies the scale-dependent deformation behavior of the metal matrix composite, the void nucleation and void growth mechanisms at the micron/submicron scale. The main results are:(1) In prophase, growth and coalescence of the void embedded in the graded matrix are analyzed in detailed;(2) Based on the infinite solid model containing a micro-void, coupling effects of the void shape and the void size on the void growth are studied carefully, the results show that it seems to exist a critical equivalent void radius, which is associated with the material length. When radius of a microvoid is close to or smaller than the critical void radius, the micro-void growth rate is essentially eliminated;(3) The coupling effects of the particle shape and size on the mesoscopic stress fields within the particle and matrix are also investigated by introducing the conception of inclusion/matrix interfacial energy. The results show that the stress concentration factors within the particle and on the matrix/particle interface are also strongly size-dependent,so the void nucleation mechanism is size-dependent.(4) By employing a specific orthogonal curve coordinate frame and a 'kernel function' conception, a 'unified method'solving the spheriodal and spherical void problems is suggested; by this unified method, size-dependent plastic potentials of the porous materials containing the spheriodal or spherical voids are obtained, which extend the traditional Gurson model for the spherical void and GLD model for the spheriodal voids to the micron scale.(5) Based on the RVE model containing the spheriodal or spherical particles, the influences of the particle shape and size on the size-dependent mechanical behavior of metal matrix composite are studied.
中文摘要:本项目对金属基复合材料在微细观尺度下的尺度相关变形行为、孔洞形核及长大的机理和模型进行了研究,取得了如下主要结果:1)在前期研究中,探讨了基体的梯度分布对孔洞长大和聚合的影响;2)基于含孔洞的无限大体模型,探讨了孔洞形状和孔洞尺寸对其长大的耦合作用,结果表明:可能存在一个与材料特征长度相关的临界孔洞尺寸,当椭球孔洞的等效半径小于临界孔洞半径时,孔洞的长大受到明显抑制;3)通过引入基体/夹杂界面能的概念,分析了夹杂尺寸、夹杂形状对材料细观应力场的耦合影响,结果表明:颗粒内部和界面上的应力集中因子强烈地依赖于夹杂的尺寸和形状,因此,孔洞的形核机理是尺寸相关的;4)采用一种特殊的正交曲线坐标系和引入"核函数"的概念,"统一"地得到了含椭球和球形孔洞的材料的尺寸相关塑性势,它将传统的Gurson球形孔洞模型和GLD椭球孔洞模型推广到微尺度范围;5)基于含椭球和球形夹杂的体胞模型,初步研究了夹杂形状、夹杂尺寸对金属基复合材料尺寸相关力学行为的影响。
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Commencing from the teaching of common chemistry concept, this topic investigated the function of self-explaining in the teaching of chemistry concept, focusing on exploring whether there exists certain correlation between the level of the students" self-explanation and their academic performances, then tested the variety circumstance of level of students" self-explanation and academic performances after carrying out some training on self-explanation capability. Meanwhile, analyses were made on the exaltation degree to which ths students could improve their academic performances after being trained.
本课题从平常的化学概念的教学入手,探索自我解释(self-explaining)在化学概念的教学中的作用,着重探索了自我解释水平与学生学科成绩间是否存在一定的相关性,进而在通过实施一些自我解释能力的训练后测试学生自我解释水平和学科成绩的变化情况,同时对不同学生经过自我解释能力的训练后的学科成绩的提高程度作了分析。
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In chapter 1, we introduce the development of module theory and it s applications in the development of algebra,and present conditions of development of prime submodule s,prime radicals,isolated submodules.
本文讨论了环与模范畴中一个重要的子模类—孤立子模的一些性质以及它与强不可约子模等之间的一些联系,并引入了强孤立子模和局部孤立子模的概念,探讨了它们的一系列性质,在第一章中,介绍了模论的发展,模论在代数的发展中所起的重要作用以及素子模,素根和孤立子模的发展现状;在第二章中,给出了与本课题有关的重要概念及其结论。
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On the basis of this, the role of condensational latent heat release is studied emphatically and a conceptual model of mutual positive feedback mechanism between the growing of meso-α-scale cyclone on MeiYu front and its accompanying intensifying precipitation due to stable condensational heating is posed, i. e. condensational heating generates negative allobar, divergent wind kinetic energy promotes meso-α-scale cyclone growing, and simultaneously, updraft motion is also reinforced, precipitation continues intensifying.
并在此基础上着重对凝结潜热释放的作用进行了研究,提出了一种由稳定性凝结加热作用而导致的梅雨锋上α中尺度气旋发展与降水增强之间相互正反馈机制的概念模型即凝结加热可以产生负变压,变压风动能通过转变为旋转风动能促进中气旋发展,同时上升运动得到增强,降水增幅。
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This paper tentatively discusses the functions of attribution theory in FLT in terms of attribution and learner's self-concept, attribution and learner's perception and understanding of success and failure, and the role of reattribution training.
本文从归因与学习者的自我概念、归因与学习者对成败的认识以及归因训练的作用三个方面探讨归因理论在外语教学中的作用与影响。
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As part of the study of social administration of Nanjing in the Republic of China, the thesis consists of 7 chapters: Chapter one explains the basic concepts of social administration and the development of modernization of Nanjing before 1927. It stresses the importance of social administration in city development through the depiction of social characteristics and problems of Nanjing. Chapter 2 introduced the theory of social administration of the Republic of China, under which the municipal institutions are structured. It focuses on the social theory of Sun Yat-sen and correlative comments of Jiang Kai-shi, which reflect the theoretic level and subjective intention of social reform of the Republic of China. Chapter 3 discusses the local autonomy of Nanjing of the Republic of China. The origin of democratic local autonomy theory and its influence over social administration are expatriated. The advantages and disadvantages of local autonomy are analyzed in detail. Chapter 4 focuses its discussion upon social rescue work, an important part of social administration, with general description of social rescue work in Nanjing and concludes the characteristics of social rescue work in the transition from the traditional to the modern society. Focusing on the prominent problem of the large flows and inflation of population of Nanjing, chapter 5 discusses the population and population management of Nanjing and outlines the population situation through analysis of the population problem, management methods and the current situation. Chapter 6 describes the unprecedentedly active citizen organizations and parties. The transform and changes of these organizations occurring under the new circumstances and their functions in social administration are analyzed to reveal the interactive function between government and social organizations in social administration. Chapter 7, the epilogue, makes theoretic evaluation of the characteristics of social administration and its revelation to the current society of Nanjing, hoping this research serves as a reference to the current time.
本文是民国南京社会管理研究的一个部分,由七个章节组成:第一章介绍了社会管理的基本概念和1927年以前南京社会近代化的变迁过程,通过对南京社会特点和社会问题的描述,阐明了社会管理在城市发展中的重要作用;第二章介绍了民国社会管理思想的基本内容和在此指导下的南京市政府有关机构的设置,着重阐述了孙中山的社会管理思想和蒋介石的有关论述,反映了国民政府的社会管理的认识水平及其实行社会改造的主观意图;第三章专题讨论了民国南京地方自治,对具有近代民主意义的地方自治思想的由来及其社会管理意义进行了阐述,具体分析了南京推行地方自治的利弊得失;第四章将社会救济事业作为社会管理的一项重要内容进行了讨论,描述了南京社会救济事业的基本概况并对从传统向近代过渡社会救济事业的若干特点进行了总结;第五章针对南京城市人口的大量流动和急剧膨胀这一突出的社会问题,集中讨论了南京的人口与人口管理,通过对南京人口问题、管理手段以及人口状况的分析,展示了南京人口构成的基本面貌;第六章描述了南京空前活跃的市民组织和社会团体,着意反映这些社会组织在新的条件下的转型和变化,分析其在社会管理中所发挥的作用,企望由此揭示政府与社会组织在社会管理中的互动作用;第七章为结语,对南京社会管理的特点及其对现实的启示进行了理论评价,力求本研究更能具有现实借鉴意义。
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Firstly,the property of induced traffic and the role of induced economy in volume forecast are elaborated.After clarifying some inexact concept,the paper recommendes a serial of practicable forecasting methods.According to difference of forecasting method,the concept of released volume is separated from the indued traffic and the basic analysis method is introduced.
阐述了诱增交通量的特性、诱增经济在交通量预测中的作用,在澄清了实际应用中的一些模糊概念后推荐了一套实用的预测方法;根据性质及预测方法的不同,从传统的诱增交通量中分离出释放交通量的概念并对其分析手段进行了初步的探讨。
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First, rebuilt the concept of Cellular Consciousness of Marxism philosophy , and then putted forward the concept of Cellular Consciousness by analyze and sum-up to live cellular being activities. Secondly, expatiated on the evidence of biology and idiographic effect that the Cellular Consciousness is existence, and then demonstrated syllabifies the connection between the Cellular Consciousness and the Original Cellular Consciousness.
首先对马克思主义哲学的意识概念给予重新认识,再通过对细胞在其生命时期的诸多生命活动进行归纳和总结,从而提出细胞意识的概念;又通过详细地阐述细胞意识存在于单细胞生物及多细胞生物体内的生物学依据及其所发挥的具体作用,从而清晰地论证细胞意识与原始意识之间的相互关系,以详尽地指出细胞意识存在的巨大意义。
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Foundlings and advancement of this thesis: firstly, in China the entrepreneurial competency in small and medium sized catering enterprises is multi-dimensional, including opportunity competencies, organizing competencies, relationship
本文取得的研究成果与贡献:首先,中国背景下,中小餐饮企业企业家创业胜任力特征是一个多维概念,包括机会胜任力、组织胜任力、关系胜任力、承诺胜任力、战略胜任力和概念胜任力,本研究对基于行为测量的创业胜任力调查工具的开发做出了贡献;其次,企业家的创业胜任力可以通过相关的管理和技术训练、相关行业工作经验和创业经验得到显著提高,该结论为企业家的培训和发展提供了可借鉴的方法;第三,企业家创业胜任力与企业绩效有显著的相关关系和因果关系;最后,企业家创业胜任力与企业绩效之间的关系不同程度地受到企业经营模式、发展阶段和创业环境的缓冲调节作用。
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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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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。