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In this thesis the process of constructing the non-perturbative Hamiltonian theory is de-scribed and is applied to estimate the vacuum condensate. It contains the following contents:At the very beginning, by using the path integral method and eliminating the gluon freedom, aGCM action 〓 of current quarks including lower order current-current coupling was derivedfrom the QCD Lagrangian and the effective Hamiltonian operator that could hardly be doneby the normal methods was derived. After doing this, the broken vacuum is introduced whichincludes quark-antiquark condensate through the generalized Bogoliubov-Valatin transformation,the effective Hamiltonian of constituent quark was derived. The detailed formulas containingthe spatial current-current coupling term for the effective Hamiltonian and gap equations wasworked out by parameterizing the correlation kernel as a quadratic potential. And then, the gapequation was solved and the quark-antiquark condensate of vacuum was studied both in the casesof instantaneous interaction and retarded interaction. In the end, the effective Hamiltionian withtwo-body quark-quark interaction was derived with one-body approximation, and with the helpof the functional integral method the coupling non-linear dynamic equations for systems withnuclear matter was derived. Finally, these equations were solved by selfconsistent method andthe effect of nuclear matter on vacuum condensate was studied. The spatial current-current coupling term is too difficult to handle, hence the correlationkernel is assumed to be not important and usually omitted in the pure vacuum condensate, andthe instantaneous interaction generally is adopted. Retaining the spatial current-current termand partial retardation effect, the quark pairs condensate in pure vacuum was studied, and theeffect of quark mass was also studied. At present, little study is focused in the case with nuclearmatter and spatial current-current term also omitted. Under the approximation with partialspatial current-current term, the effect of nuclear matter on vacuum condensate was studied.

本论文描述了量子色动力学整体色对称模型哈密顿量方法的构建过程,得到了反映正反夸克对凝聚真空结构的关于组分夸克的有效哈密顿量算符,它隐含了胶子作用,并且准确至流-流耦合项;接着,通过参数化哈密顿量中的夸克作用关联核,导出平方禁闭势参数化选择的哈密顿量的具体公式和能隙方程;随后,应用公式,编程求解,考察了瞬时作用下和部分延迟作用下真空的正反夸克对凝聚,在计算中保留了空间流-流耦合作用;之后,导出瞬时势和延迟势下包含二体作用项的哈密顿量公式,并采用单体化近似,通过泛函变分方法得到核物质存在时耦合的非线性动力学方程;在保留部分空间双流耦合作用的近似下,求解核物质的动力学方程,考察核物质密度对真空凝聚的影响,以往考察真空凝聚,对关联核的选用,由于空间流-流耦合项不易处理,也认为作用不大,常忽略该项,并且常采用瞬时作用;本文保留空间双流项和部分延迟作用,考察了真空情形的夸克对凝聚,还考察了夸克质量对纯真空凝聚的影响,以往对核物质存在情形的真空凝聚考察很少,也都忽略空间流-流项,本文在考虑部分空间流-流项近似下,考察了核物质存在对真空凝聚的影响。

Around the topic, the weak points of the traditional platform is analyzed first, such as complex arithmetic, long calculating time, high needs of hardware and so on. A real time control method based on virtual simulation is suggested to separate the complex positive/negative calculation of space kinematic and real time motion control. And a"3-2-1"type 6DOF platform is designed with the reference of the MAST (Multi-Axis Shaking Table) of MTS. The kinematic and dynamic calculation of the platform is finished. According to the calculating result, the control system of the"3-2-1"type 6DOF platform including 6 linear servo electric cylinders is designed and constructed. And the professional software Pro/E is used to do the 3D model and 6DOF motion simulation of the platform. The motion curves of the pistons of the 6 cylinders are exported with the simulation. At last the control software is programmed with Microsoft Visual Basic 6.0 and realizes the functions with the commands of GE series motion controllers. When loading the motion curves exported with the simulation, every cylinder can follow the curve very well and the platform realizes the hoped 6DOF motion.

围绕选题,本论文首先分析了传统的运动平台控制方法所存在的算法复杂、解算耗时长、硬件需求高的缺点,提出了一种基于虚拟仿真的实时控制方法,该方法将复杂的空间运动学正、反解与实时运动控制相分离;之后,参考MTS公司的MAST多轴振动平台,设计了新型的"3-2-1"型六自由度平台,并进行了运动学及动力学计算,根据相关计算结果,设计与搭建了包括驱动6个直线伺服电动缸在内的"3-2-1"型六自由度平台控制系统;接着,使用Pro/E对"3-2-1"型六自由度平台进行了三维建模和六自由度运动学仿真,并由仿真直接获得了6个直线伺服电动缸的活塞杆的相应运动曲线;最后使用Microsoft Visual Basic 6.0编写了控制软件界面,通过调用GE系列运动控制卡的各种命令函数实现了控制系统的相关功能,而当加载仿真得到的各缸运动曲线后,每缸均能很好地跟踪输入曲线,使平台实现了期望的多自由度运动。

Network game industry what course to follow, it is to be in thearchy is blatant in trend be on the wane, still leave in fight to the bitter end give a new way, probably who said to also do not calculate, even if be Chen Tianqiao, Shi Yuzhu and fourth Lei, set sth afoot from 2009 case, actually game manufacturer also realised this, the attempt of blame mainstream game that takes out oneself and other sport company start associated operation, the attempt publicizes his game ceaselessly in He Sui film, the attempt puts commerce on advertisement in his game... the some day that will come probably, all Chinese, see TV need not pay again close inspect cost, play game to also need not spend one wool money really, be like like ad was being made in TV, game world also so not will dinkum, also will evolve to offer company level to apply in game by company level user, for instance inside activity of buy advertisement, sales promotion, OEM is bound, even need not which show card to cannot be in what and so on upgrades in game " limitative class " sale, perhaps friends read this meeting to feel now is an incredible story, but in game world, I think truly, everything is all possible!

网络游戏产业将何去何从,是在众神喧嚣之中走向衰落,还是在血战到底中开出条新路,或许谁说了也不算,哪怕是陈天桥、史玉柱和丁磊,从2009年发轫起,其实游戏厂商也认识到了这一点,拿出自己的非主流游戏尝试和其他游戏公司搞联合运营,尝试在贺岁电影中不断宣传自己的游戏,尝试在自己的游戏中投放商业广告……或许将来的某一天,所有的中国人,看电视不用再付收视费、玩游戏也真的不用花一毛钱,就好像电视里打了广告一样,游戏世界也将不那么纯粹,也将演变成由企业级用户在游戏中提供企业级应用,比如内置广告、促销活动、OEM捆绑,甚至于不用哪家的显卡就不能在游戏中升级之类的"限制级"销售,也许现在朋友们读到这会觉得是天方夜谭,但在游戏世界里,我确认为,一切皆有可能!

In accordance with the technological difficulties encountered in the process of insulation supervision based on the Dissolved Gases Analysis,several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. Main research content includes:By deeply studying the common transformer faults diagnosing methods,such as three-ratio methods and improved electrical committee agreements,several shortcomings such as uncertainness judgment when the fault reasons,phenomenon and principles come out together while can not consistent to each other etc. For this reason,the old methods can not fully meet the need to engineering practical application.Considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types,when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer,a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformers insulation faults based on DGA in this paper. Meanwhile,by further study the character of fuzzy factors,aimed at correcting the defects in classifying fuzzy sets of common fuzzy judgment,a method are put forward by unifying fuzzy synthetic diagnosis and fuzzy principle reasoning.

本文针对应用油中溶解气体分析方法进行变压器绝缘监督时所遇到的主要技术难点,提出了提高变压器故障诊断的准确性、可靠性的几种模诊断方法,主要研究内容有:通过对判断变压器故障常用的三比值法和改良电协研法的深入分析,其诊断准确率较高,但对故障原因、故障现象和故障机理间同时存在不确定性和模糊性的变压器等电气设备的故障诊断,难于满足工程应用的需要;在处理变压器等结构复杂设备的多症状、多原因故障诊断时,模糊关系矩阵可以全面反映这种症状与故障类型间的因果关系,进而提出了变压器故障诊断的模糊综合诊断模型;同时作者还深入分析了模糊算子的特性;针对常用的模糊评判结果的模糊集的集化方法的不足性,提出了将模糊综合诊断与模糊规则推理结合起来进行故障诊断的方法,能达到较好的效果。

In this thesis, by the means of calefactive oxidation test of coal samples, the characteristics of different samples spontaneous combustion are analyzed; the infrared spectrum is assimilated to review the rule that coal function corps change in the process of coal low-temperature oxidation ; by the means of thermal analysis by differential scanning calorimeter, thermogravimeter, the kinetic function of coal low-temperature oxidation in spontaneous combustion process are analyzed , depend on the device, the mathematical model of coal spontaneous combustion is developed, the model are dealt with, Finally, the temperature field and the velocity field with velocity of the entry flow is got.

论文通过煤的低温氧化和自燃过程,实验研究了煤的低温氧化气体产物特征和变化规律,研究得出了煤的低温氧化过程中气体生成量与氧气消耗量与煤温之间的指数关系式;在煤的低温自热氧化过程中,对煤的官能团等化学结构的变化研究,揭示了煤炭低温自热氧化化学基团变化规律;采用非等温TG和DSC法研究了烟煤低温氧化动力学,得出了煤低温氧化分布活化能及煤低温氧化机理函数的变化规律;建立了煤低温氧化自热数学模型,并对该模型进行数值解算,可得煤样的温度场与速度场随入口风量变化情况。

Some of the neuroeconomics topics we are studying at Caltech include: Why people find it difficult to attach dollar prices to goods that are not traded (like environmental harm, health, and safety); whether having too many choices actually makes people less happy with what they own; thinking strategically about what other people will do, when you are trying to outguess them or cooperate with them; how people behave when they fear economic unknowns (like starting small business or investing in countries with unstable political systems); deception in bargaining; the neural foundations of intrinsic motivation for working hard, like intellectual curiosity; and moods and investor sentiment in stock markets.

目前我们在加州理工学院从事神经经济学研究的课题项目包括:为什麽人们认为给不能用以交换的商品(如环境损害、健康、安全)定价格是困难的;面对太多的选择是否使人们竟然对自己拥有的现状感觉不甚愉快;当你试图智算他人或与他人合作时,从策略上考虑他们将做什麽;当人们担忧经济不可预测时(如:开创小企业,或投资于政治体系不稳定的国家),他们将采取什麽样的行为;讨价还价的骗术;努力工作的内在动机的神经基础;心态和投资者对股票市场的情绪,等等。

These five years saw an increase in graduates from sports colleges,and student disposable employment rate in teaching profession declined.The highest rate of sports majors in secondary and higher schools ranks like follows:Sports Education,Social Physical Cultural and Ethnic Traditional Sports;2.Employing units have unsatisfied evaluation on professional dedication in the process of evaluating morality of gradates from our university;also not satisfied with the fact that these graduates are not strict with themselves and be models for students,indicating that there being needs and room left for strengthening and improving students' ideological quality.3.Employing units' evaluations on knowledge structure of graduates from our college:an unanimous affirm of the solid professional skills,and professional skills should not be neglected but strengthened and it needs improvement and creativity;there is polarization in using computers,so we need to think about how to teach computer courses in future teaching process;units are not very satisfied with graduates' foreign language proficiency,the university should lay emphasis on this.4.Employing units' evaluations on graduates ranging from strong to weak:dissatisfaction on organizing and management ability,conducting teaching and training and solving emergent events,and also on demonstrating and explaining and scientific research,to be specific, gradates' acts and skills are not standard,their explanatiens don't seize the key points, demonstrating and explaining ability of athletic training majors are better than that of other majors,and the overall scientific research ability of our graduates are not high enough to meet the employing units' demands and there is still a gap between them.5.Graduate needs from the grass-roots level unitsThe most welcome sport of the grass-roots level includes football,basketball,track and field and aerobics;basic requirements for middle school in new era PE teachers in include finn professional skills,proficiency of computer and foreign language,profound knowledge of humanities and arts and relevant knowledge comprehensive quality of new era teachers is the guarantee whether quality-oriented education of middle schools can be undergone.

从事教学工作专业由高到低依次为:体育教育、运动训练、社会体育和民族传统体育。2用人单位对我院毕业生道德品质方面的评价的总体评价是较好的,其中对敬业精神的评价存在不满意的现象;严于律己,为人师表方面存在不满意的现象,说明对学生思想素质的培养方面仍有加强和提高的空间与必要。3用人单位对我院毕业生知识结构的评价为:毕业生的专业基础掌握比较好,得到了用人单位的一致肯定,学院对毕业生专业基础知识的教育不能掉以轻心,需再接再厉,不断创新;计算机的学习上出现了两级分化,所以在今后的教学过程中,对计算机知识这门课如何开展是我们需要解决的实际问题;外语知识的掌握满意度不是很高,需要学校方面引起一定重视。4用人单位对我院毕业生能力的评价:对组织管理能力,指导教学与训练能力和突发事件处理能力比较满意,然而在示范与讲解能力和科研能力上存在着不满意的现象,主要表现在动作技能不规范,讲解抓不住关键要素,通过调查显示往往运动训练专业毕业的学生在示范讲解这方面要好于其他专业,科研能力整体评价不算很高,与用人单位的需求存在一定的差距。5基层对毕业生的需求对专项的需求足球、篮球、田径、健美操是基层中学较受欢迎的项目;新世纪具备综合素质的教师受到用人单位欢迎,这是素质教育能否有效开展的保证,也是体育教师开展体育创新教学工作的基础。

As an incentive to engage in this cruel work, it absolved from all ecclesiastical pains and penalties, general and particular; it released all who joined the crusade from any oaths they might have taken; it legitimatized their title to any property they might have illegally acquired; and promised remission of all their sins to such as should kill any heretic.

为要给人相当的奖励,他宣布凡参加这运动的,得以免去教会加在他们身上一切普通的和个别的刑罚;可以不守誓约;凡他们非法得来的财产,可以算为合法的;凡能杀死一个叛教徒的,可以免去一切的罪愆。

Through theoretic reckoning and simulating analyzing, several control strategies for shunt APF were compared and chose ip-iq arithmetic ofthe instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. Based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. Two topologies of main circuit were compared and chose the three-phase voltage-source converter with a split-capacitor as its main circuit structure. The numerical scales of the dc side capacitor and inductance of reactors were calculated. The high-pass filters were designed to eliminate effectively the highfrequency harmonics produced by APF.

通过理论计算和仿真分析,比较了并联型APF的几种控制策略的优点和缺点,从中选择瞬时无功理论控制策略i_p-i_q计算方式为指令电流产生的算法,并在此基础上增加了抑制系统谐振和平衡直流侧电容电压的控制;比较了并联型APF主电路的两种常见形式,从中选择了三相电压型变流器的主电路形式;算出适合该APF的直流侧电容和出线电感的参数;设计出能有效消除APF产生的高次谐波的高通滤波器。

By three-dimensional linear standing wave,the wave propagation over a bar of scheldt flume experiment carried at Delft hydraulics and tidal current field simulation of waters of between Denmark and Sweden etc example,the model is verified to have advantages such as stability, high efficiency etc,and proved suitable for the simulation both water body of large range and long period.

最后通过三维线性驻波、Delft水力学中Scheldt水槽实验的周期性入射波通过淹没潜堤的传播问题以及连接丹麦和瑞典间海域的潮流场模拟等算例,从多方面验证了模型具有稳定、实用、高效、灵活等的优点,不但能对短波问题进行精确成功的模拟,而且也适合对大范围的水体进行长时段的模拟。

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推荐网络例句

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特,那个是爱朗。

Articulate the aims, objectives and key aspects of a strategic business plan.

明确的宗旨,目标和重点战略业务计划。