分析上
- 与 分析上 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.
本论文的主要工作包括以下几个方面:(1)在对粒子场测量的相关理论和具体方法进行综述分析的基础上,提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路;(2)研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统,并使其实现了对粒子场粒径分布的测量功能;(3)研制了基于粒子运动轨迹的速度场重建算法,获取了细水雾雾场的速度分布;(4)研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统",该系统既可分析给出粒子场的粒径分布直方图和平均粒径,还可给出粒子的数目以及最大、最小粒径等信息;(5)建立了一细水雾发生系统,并应用上述方法对不同压力条件下细水雾系统的雾场特性(如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等)进行了实验测量研究;(6)对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析,并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证,同时对其局限性进行了分析讨论;(7)对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。
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Factor analysis and structure equitation model were used here.
在文献分析的基础上,基于消费者感知的角度,从界面设计、网站内容、技术支持、有用性、易用性和网站效应等六个方面提出了电子商务网站用户的感知因素对其满意度和行为的影响的假设,构建了研究模型,根据研究变量制定了问卷并搜集到180份有效问卷,分析了样本的特征,利用SPSS对模型量表进行了信度分析和因子分析,并采用结构方程模型软件LISREL进行了实证分析。
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The restriction of equivalent transformation analysis method is discussed and finally a proper method and the result of the analysis are offered.
在单端输入的差动放大电路工作原理教学中,对共模反馈电阻R e的作用,往往采用等效变换法进行分析,如果不注意正确使用分析条件会得出错误的结论,本文从理论和实践上指出了利用这种分析方法分析单端输入差动放大电路的局限性,最后给出了正确的分析方法及结论。
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Using the project organization as a clue, this paper thoroughly analyzes the rationality of the organizational structure of """"""""the Gallopade Garden"""""""" project statically and the effectiveness in organizational operation dynamically, to interact with the project development on basis of Project Management and Organizational Behavior.
在论文分析中紧紧抓住项目组织这条主线,将分析建构在对项目管理的初步认识上,并引入组织行为学的概念。全面分析组织的两种形态,从静态角度分析骏景公司项目组织结构合理性,从动态角度分析如何发挥组织运作有效性,达致与项目发展的互动。
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From third chapter to seventh chapter , unscrambled detailedly Godard's five films.
第三章《筋疲力尽》重点分析了影片运用到的长镜头和"跳接手法"的运用;第四章《阿尔法城》从分析叙事结构开始,详细分析了该片黑白影像以及光影的美学效果;第五章《中国姑娘》把影片色彩、画面的几何线条作为研究重点;第六章《狂人皮埃罗》从心理学上对影片的色彩展开分析,重点探讨画面的不对称构图;第七章《卡宾枪手》从电影符号学的角度对该片的镜头语言进行分析。
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Aiming at the two major migrating routs of wild birds in China, the ecological distribution and prevalence of avian influenza were studied based on the investigation and analysis of the occurring and relative influential factors of highly pathogenic avian influenza, serology of free birds of HAPI areas were investigation and analysis, live stocks and poultries of some areas of Heilongjiang province were investigation and analysis, the HA gene of avian influenza virus A/Goose/XJYL/10/2003HA(H_5N_1)isolated from Xinjiang goose were cloned and sequenced, NS gene of avian influenza viruses (H_5N_1) isolated in Xinjiang were also cloned and sequenced.
本文在调查、分析禽流感发生情况以及影响疫情相关因素的基础上,针对我国野鸟迁徙的2条主要路线,对我国禽流感病毒生态分布和禽流感流行现状的研究,对爆发高致病禽流感疫区的自主活动鸟类禽流感的血清学调查与分析,对黑龙江省部分地区散养畜禽流感病毒感染的血清学调查与分析,并对鹅源H5N1亚型禽流感病毒新疆分离株A/Goose/XJYL/10/2003HA基因的克隆和序列测定与分析,对H5N1亚型禽流感病毒新疆株NS基因的克隆和序列分析。
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A detailed analysis of the main circuit introduction, control method and working principle of the direct-drive wind energy conversion system are given to introduce the two important parts a of this paper: First part is the control method of the multiple boost convertor, the important instantaneous current control method of this paper is given through the analysis of the main circuit structure, control method and working principle. Then a steady-state analysis for low-frequency, a high-frequency component analysis, and a closed-loop tracking performance analysis for dynamic response are provided to analyze the method proposed; And the second part is the control method of invertor.
在系统变流器整体结构分析的基础上,引出本文重点研究的两个变流环节的控制:第一部分是系统升压斩波器的控制,通过分析相关主电路结构、原理,建立了数学模型,引出本文重点研究的瞬时值控制策略的概念和具体实现,并对升压斩波器的瞬时值控制策略进行了详细的高频、低频模型分析和稳态、动态性能分析;第二部分是系统并网逆变器的控制,通过对逆变器主电路的数学建模和控制要求分析,研究了并网逆变器的瞬时值控制策略,包括电感电流控制内环和直流电压控制外环的具体设计和实现方法。
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By the combination of statistic analysis and typical interviews, normative analysis and case study, macroanalysis and microanalysis, this dissertation has made a deeply research on the problems of town building and planning.
论文采 用统计分析与典型调查相结合,规范分析与实证研究相结合,宏观层面与微观层面相结合的分析方法,对小城镇建设存在的问题和小城镇规划存在的问题进行较系统深入的研究,总结了小城镇规划的指导思想、内容、方法及实施保障等;探讨了地理信息系统在小城镇规划管理中的应用;并应用经济计量学方法和边际分析方法对基础设施投资问题进行定量研究,在此基础上提出并验证小城镇基础设施投资对政府财政的依存度假说;基于财政政策分析,讨论了市场体制在小城镇基础设施建设投资中发挥积极作用的可能性及途径。
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It established a finite element model of the parts on the intensity theoretical of metal fatigue basis, and carried on the structure of static analysis, dynamic analysis and fatigue analysis, and a lot of finite element method were used, then the distribution of the stress was got.
在金属疲劳强度理论的基础上,建立了该零件的有限元分析模型,对发动机支架的结构进行了静力分析、动力分析以及疲劳分析,应用了较多的有限元分析方法,得到该零件的应力、应变分布状态。
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Chapter 5 indicates that multi-scale time-frequency analysis such as wavelet and EMD could offer more information of HRV than traditional linear analysis ways in time domain and frequency domain, which is a research trend with those nonlinear ways.
第五章将从研究方法上指出以小波分析和EMD为代表的多尺度时频分析可以比通常的HRV时频分析方法揭示更多的信息,和非线性动力学分析一起成为HRV分析的发展方向。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。