比较研究

The main object of this research is to investigate synthesis of Cu23Cl Cu and CuO nanoparticles through electrospinning and heat-treated method The research is mainly focused on preparative parameter and the change of heat-treated temperature to form the nanoparticles inlaid in silicon fibers the shape and color change are dicussed First of all to prepare the Polyvinyl butyral and silica dioxide complex nanofiber by electrospinning and then to investigate different heat-treated temperature and reactive time to being an influence on the products The results detected by SEM XRD TEM EDS FTIR combined sol-gel process and electrospinning can prepare Polyvinyl butyral and silica complex nanofiber The experimental result is found when heat-treated temperature is 100~4750C it can produce Cu23Cl nanoparticles; Above 4750C~ 4900C it can produce Cu nanoparticles; Above 450~7000C it can produce CuO nanoparticles And the viscosity is lain between 20~40cp and the sol-gel process time is 3hr it can produce the thinner fibers The average diameter of the fibers are 107 88±21 01nm;Due to the nanoparticles inlaid in the silica fibers the thinner fibers can be inlaid the smaller nanoparticles so this is the result that the experiment is expected To calcine the complex fibers is to produce surface silica fibers contain Cu23Cl Cu and CuO nanoparticles due to surface plasma resonance it make the color of the fibers become yellowish green from light white green turn into the red nuclear finally As the experimental result to utilize sol-gel process combine electrospinning can produce porous silica fibers contain Cu23Cl Cu and CuO nanoparticles

本研究旨在探讨「利用放电纺丝和热处理法来合成Cu23Cl、Cu和CuO奈米粒」之研究，实验著重在制备参数与热处理温度变化对所形成的奈米粒镶嵌在二氧化矽纤维中的形态与颜色变化探讨。首先，利用放电纺丝法制备出聚乙烯醇缩丁醛及二氧化矽之奈米纤维，比较不同的热处理温度与反应时间的改变对产物生成产生影响，进而研究不同热处理温度和时间对生成奈米粒的影响。产物经由SEM、XRD、TEM、EDS和FTIR等仪器分析结果显示，结合溶胶-凝胶法(sol-gel process)和放电纺丝法可产生聚乙烯醇缩丁醛及二氧化矽复合奈米纤维。实验结果发现，若热处理温度在100~4750C下可得到Cu23Cl奈米粒，475~4900C 可得Cu奈米粒，450~7000C以上可得 CuO奈米粒。而黏度介於20~40cp间和溶胶-凝胶时间为3hr时，可产生直径比较细的纤维，纤维直径为107 88±21 01nm；且由於奈米金属颗粒镶嵌在二氧化矽纤维中，直径比较细的纤维，可以得到比较小的奈米金属颗粒，这与实验预期相符。而锻烧此复合物产生多孔的二氧化矽纤维并包含Cu23Cl、Cu和CuO奈米微粒时，由於表面电浆子共震关系，而使纤维颜色由淡白黄绿色变成黄绿色，再变红褐色。由实验结果得知，利用溶胶-凝胶法(sol-gel process)结合放电纺丝法和不同热处理温度，可产生Cu23Cl、Cu和CuO奈米粒镶嵌在二氧化矽纤维。

This thesis systematically studies the comparativeness of Chinese trade in services in four aspects of indices basing upon existing achievements by using quantitative analysis method and qualitative analysis method. Moreover, the indices have been compared with those of the five transitional countries in the same timing period. Three points can be drawn from that study. First, the comparativeness of Chinese trade in services are too weak to compete internationally. Secondly, tourism is the only industry that holds its comparative advantage. Finally, we can learn from what the Poland and Hungary have been doing with their trade in services.

本文采用了定量分析与定性分析相结合等研究方法，在前人研究的基础上，对1995-2000年我国服务贸易的国际市场占有率、比较优势指数、显示性比较优势指数和显示性竞争比较优势指数四个指标进行了计算，较全面、系统地分析了我国服务贸易的国际竞争力，并首次将该四项指标结果同一些转轨经济国家的相同指标进行跨国比较，从中得到三点启示：1、我国服务贸易整体不具备竞争优势；2、旅游业是我国服务贸易中具有较强比较优势的行业；3、波兰和匈牙利两国的成功经验对我国发展服务贸易有一定借鉴作用。

It is the first important step in video analysis and will directly affects the effectiveness of indexing Shot boundary detection is one of our major research interests and we will tackle the following existing problems the ambiguity between gradual change and camera motion, the discontinuity during gradual change, false detection caused by illumination variation and flashlight, automatic threshold selection Firstly, we discuss shot boundary detection in non-compressed domain In chapter 2, we compare some of the commonly used detection methods which are based on frame difference and point out that single feature will not generate good results As a conclusion, we use fuzzy logic to combine multiple features Presently, most frame difference based shot boundary detection algorithms rely on threshold and hence the selection of such thresholds will greatly affect the performance of boundary detection We propose a membership function to define frame difference and calculate the membership with self adaptation according to the statistic distribution of frame differences to satisfy different type of video clips Experiments show that the proposed fuzzy shot boundary detection algorithm can be used with different video types and has a high detection precision and recall In chapter 3, we discuss model-based shot boundary detection algorithms regarding chromatic and spatial editing effects such as fade-in, fade-out, dissolve and wipe Various parameters are proposed to better describe the characteristics of each editing type.

镜头边界的检测是把视频自动地分割为一个个镜头，作为基本的索引单元，因此它是视频分析重要的第一步，直接影响到视频检索的成败。镜头边界的检测是本文研究的重点之一。目前镜头边界检测算法主要存在以下问题：渐变与镜头运动难以区别；渐变过程中的不连续与停顿、光照条件的变化及闪光灯等特殊情况会引起误检测；自动选择阈值比较困难等。本文首先针对非压缩域视频进行了镜头边界检测的研究。在第二章中我们采用了比较流行的基于帧间差的方法。在比较各种帧间差计算方法的基础上，指出使用单一的特征难以取得很好的检测效果，提出用模糊逻辑综合使用各种特征。目前大多数基于帧间差的镜头边界检测算法都采用阈值法进行镜头转换的判别。阈值选择的误差对检测性能有较大的影响，本文提出用隶属度函数定义帧间差较大、中等较大和较小等概念，并根据帧间差的统计分布自适应地确定隶属度，以适应不同类型的视频片断。实验结果表明这种基于糊逻辑的镜头边界检测算法可以适应不同的视频，并具有较高的检测精度和检出率。在第三章中采用基于模型的方法进行镜头渐变的检测，研究了淡入／淡出、慢转换和扫换的模型。

New ideas this dissertation brings forth are as follows: 1 in the history technological cultures, man stepped into the technological epoch twice; 2 in ancient times, technology and poetry bore cognateness and identity; 3 discourse paradigms and value systems about poetry and technology of ancient China are first reconstructed; 4 the recognizable paradox and absurdity are first articulated when ancients combine simplicity, beauty and technology into one; and 5 the Taoist thinking on crime and punishment in the technological era is systematically combed out, and Zhuang Zi's metaphor about the death of muddiness is therefore interpreted.

此外，本文的研究作为中国文化系统内的跨类比较研究，研究的楔入点和研究行走于其中的空间具有独特的意义和价值，它在广义上可以视为是比较文化和比较诗学在研究视角、研究方法上的创新性探索。最后，本文在具体学术问题上的创新对于中国古代科技思想、诗性生存、诗学等领域的研究，都是一定意义上的学术突破，它至少可以引起相关的学术争论，从而起到推动学术发展的作用。

First mostly contraposing hull deck structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different simplifications of the mathematical model, thereinto mostly analyse five different simplifications of the deck model; Second contraposing hold section and hull deck structure it goes along FEA analysis together, discuss the different influence degree of calculational results between the different elements style, gridding number and gridding density, thereinto mostly analyse the difference between adopting 8 node shell element and 4 node shell element, nondense gridding and thick gridding, and numerous gridding number and few gridding number, In the end mostly contraposing hold section structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different boundary conditions, thereinto mostly analyse the difference between adopting CCS boundary conditions and LR boundary conditions.

首先主要针对船体甲板结构进行分析研究，讨论结构简化不同对有限元计算结果的影响程度，其中主要研究分析了五种不同甲板结构简化模型；紧接着针对舱段与甲板结构一起进行分析研究，讨论单元类型，网格数量与密度的不同对有限元计算结果的影响程度，其中主要研究分析了分别采用8节点板壳单元与4节点板壳单元的不同，以及分别采用疏的网格与密的网格，多的网格数量与少的网格数量的计算结果的差异。最后主要针对舱段模型进行分析研究，讨论不同的边界条件对有限元计算结果的影响程度，其中主要研究分析了分别采用CCS舱段边界条件与LR舱段边界条件进行有限元计算而带来的结果上的差异。本文第二部分为港工建筑物中的大直径薄壁圆筒结构的有限元比较分析。在研究大圆筒的有限元比较分析中，主要讨论用不同的网格密度与数量来划分网格引起的差异。其中用了网格密，数量多与网格疏，数量少两种模型进行大圆筒结构的有限元分析对比

;Comparative;statics;is;that;mathematical;technique;by;which;an;economic;model;is;investigated;to;determine;if;refutable;hypotheses;are;forthcoming.;By;the;process;the;theories;in;economics;is;logically;simulated;for;the;testing;of;the;theories.;All;of;which;construct;the;paradigm;of;economics.;With;this;paradigm,;it;makes;out;by;the;comparative;statics;of;Shaanxi;province;developing;strategy—one;line,;two;zones—that;the;necessary;testing;condition;of;the;strategy's;theory;holding;is;that;the;government;investments;have;to;make;the;central;zones;increase;faster;than;the;other;areas;do.;Otherwise,;it;will;not;be;a;good;strategy.;Say,;if;the;north;of;Shaanxi;increase;faster;than;central;zones;do,;then;it;can;verify;the;strategy;is;not;a;good;one.

学研究的范式——比较静态分析，是一种技术，通过这一技术，理论可以被考察研究，以确定理论的可驳斥假说，它是对进行的一种符合的仿真。具体讲，比较静态分析是通过逻辑运算，模拟理论的可驳斥命题即检验条件是什么，从而为理论的验证提供方法。用经济学的研究范式对陕西省"一线两带"的比较静态分析显示，此战略成立的必要条件之一是：随着战略的实施即政府对极化地区的投入，其产出增加应该比其它地区产出增加大，否则这一战略就不成立。也就是说，如果陕北或陕南经济发展更快，集中投资于西安等中心城市，并不是更好的战略。

China attaches importance to compare the current quality of education in the humanitic reseanch , but maily stay in institutions of college. In high school, there are much principles in the study of the humanistic quality education . However , it is cack of the practice , the specific dimensions and practical ways and means of research .

我国目前比较重视人文素质教育的研究，但是主要停留在高等院校，中学阶段的人文素质教育的研究还比较缺乏，而且人文素质教育的研究多是提出一些原则，对实践的、具体层面的、可操作的方式与途径的研究则比较少。

Accomplishments with this old type of development were mostly measured at the nation, aggregate level in terms of economic growth. A rising new paradigm led to more stress being placed upon achieving greater equality in socio-economic benefits of development, upon the social as well as the economic dimensions of development, and to other fundamental changes in development (such as strewing decentralized participation).

在中国大陆第一次采用比较严格的定量研究方法对中国乡村地区的大众传播各个环节进行了比较系统的调查分析，获得了大量的实证资料，在国际传播学研究，填补了有关中国研究这一重要部分的空白； 3）运用定量与定性研究相结合的方法，对一些传播及发展传播的理论问题进行了比较深入的研究，获得了一些新的发展，有利于传播学这门学科在我国的深入和推广。

James Legge's comparative studies on religions and his concept of comparative religions are related to the secularization movement of the Great Britain in the Victorian age, the progress from the traditional theology to religious history studies and comparative religions studies, and his over thirty-year stay in China and fifty-year research in Chinese classics.

理雅各的比较宗教研究以及在此过程中所形成的比较宗教观，既与维多利亚时代英国的宗教世俗化运动有关，也与传统神学向宗教历史研究和比较宗教研究过渡的进程有关，同时也与他在华30多年的生活经验和长达50年之久的中国经典研究密不可分。

Chapter Ⅰ reviews the results of previous research and states the origin, the meanings and the methodology of the dissertation. Chapter Ⅱ interprets the definition of"culture", the basic consciousness of traditional Chinese culture, Characteristics of culture of HK and cultural elements of modern society. Chapter Ⅲ probes the cultural elements of language itself and points out that"features of language","use of metaphor and analogy"and"theme and idea"are its three essential and linked layers which are the most proper channels to infiltrate cultural education. Furthermore, this chapter also compares and contrasts the inner meanings of the syllabus of China and HK. Chapter Ⅳ analyses the model essays of both China and HK through the concept of"features of language","use of metaphor and analogy"and"theme of idea". It also compares the ways of editorship towards the selection of model essays between China and HK. Chapter Ⅴ compares the methods of model essays teaching between China and HK so as to explore its insides meanings of culture. Chapter Ⅵ reasserts the importance of infiltration of culture education into language education and states the limitations of this dissertation. This dissertation counters the existing defects that caused by the over-emphasis of instrumentalism and affirms the importance of infiltration of cultural education into language education.

第一章讲述研究的源起、意义和方法，指出香港在殖民地时期的语文教育状况，及回归后在语文教育中渗透文化教育的重要意义，并列出前人的研究及本文的研究方法；第二章探讨文化的定义，讨论中国传统文化的基本精神，香港文化的特色及现代社会的文化成分；第三章讨论语文本身的文化成分，指出其内含三个层面：&语言特色&、意象连用及&主题思想&；语文及文化关系密不可分就表现在这三方面的紧密联系上面，并冀望教师从这三方面入手，通过语文教育渗透文化教育，此外，又比较内地和香港语文课程大纲的异同及背后所反映的不同意义；第四章从&语言特色&、&意象运用&及&主题思想&三个层面分析内地与香港语文科选文的内容，供教师参考，又比较两地选文及编选手法的特色；第五章比较内地与香港教师就范文教学的课堂处理手法，及从中透显的文化意涵；第六章总结及建议，一方面重申语文科渗透文化教育的重要性，期望教师注意，另方面也指出本研究的限制所在。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。