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On the other hand, studies on application of chitosan to wastewater focus on limited fields such as decolor, removal of metal ions, and so on, most of which were carried out in the 1980s and 1990s.

国内外关于壳聚糖絮凝剂的制备研究较多，但大部分是采用传统的碱液法，成本高，而且耗时；对于恒功率微波法制备壳聚糖的研究相对较少，而对于变功率微波法制备壳聚糖的研究至今还未见有报导。

Jared: When we have down-time on set a lot of times you, you concentrate on the scene you're doing, and if it's two-and-a-half pages you're really trying to make the best of that scene 'cause you're gonna put it on-camera and then it's gonna be gone forever, you'll never have a chance to do it again, so we, we sort of focus on the scene at hand.

某幸福小孩：在片场上我们有空闲时间的时候，都会琢磨正在拍的戏，因为你手里都会有2页半的戏要准备好，你要把这些呈现在摄像机前，然后被永久记录，你根本没有机会再拍一次，所以，我们，我们都会专注于正在拍的镜头。

The first part is preface, on the basis of expounding the background, the purpose, the meaning and the thinking of the thesis study, briefly introduce the research achievements of domestic and international urban spatial structure; the second part is summary, expatiate on the connotation, component, research span and space type of urban spatial structure; The third part is theory foundation, mainly introduce the three classical models of city spatial structure in the west country (concentric circles mode, fan-shaped mode and multi-core mode) and the relative city development theories (growth pole theory, dot-axis theory, core-fringe theory, metropolis circle theory and city space evolution theory); The fourth part is general situations of study region; The fifth part is the analysis of Lanzhou city spatial structure evolution, along the historical venation Of city development, on the basis of analyzing industrial structure change, focus on and sumup the characteristics of spatial development and form, meanwhile, analyze factors which influences the spatial development; The sixth part is the analysis of Lanzhou city spatial development trend, put forward the development models of Lanzhou city spatial structure from three space aspects(the core city, the city, region) in the future, they are group gobbet structure, fingers structure, circle structure; The seventh part is to mainly put forward the development strategies for the different spatial structure models.

第一部分为前言，在阐明论文研究背景、目的及意义、思路的基础上，简要介绍了国内外城市空间结构相关研究成果；第二部分为概述，对城市空间结构的内涵、组成要素、研究尺度及其空间类型作以介绍；第三部分为理论基础，主要是对西方城市空间结构的3大经典模型(同心圆模式、扇形模式和多核心模式)以及与本研究相关的城市空间发展理论(增长极理论、点轴理论、核心——边缘理论、都市圈理论和城市空间演化理论)的介绍；第四部分为研究区概况，主要是对研究区域范围的界定及其社会经济发展概况介绍；第五部分是兰州城市空间结构演化分析，顺着兰州城市发展的历史脉络，在分析产业结构变动的基础上，着重对城市空间发展及其形态特征进行归纳总结，并分析了空间发展的主要影响因素；第六部分是兰州城市空间发展趋势分析，从中心城市、市域、区域3个空间层面上提出未来兰州城市空间结构的不同模式，即组团结构、指状结构、圈层结构；第七部分是城市空间发展策略，针对不同的城市空间发展模式提出一些对策建议。

These descriptions are brief, but based on them it is indeterminable and has disadvantage in system design and direct implementation. On the other hand, these works mostly focus on describing variants behaviors of Ambient calculus in one level, which makes it complicated to understand clearly how these variants behaviors work and how they work together. As a result, based on the unit ambient of Ambient calculus, a three-level semantics description framework is given for Ambient calculus.

这种描述方式尽管简洁，一方面却具有不确定性，不利于实际的网络计算系统的设计和直接实现；另一方面，这种语义描述方式均在一个层次上描述Ambient演算系统中的各种行为语义，使得Ambient演算中各种计算行为纠缠在一起，复杂而难以理解。

Ensure the college and university teachers" main status in teaching. 6. reform the personnel administration system of colleges and universities.The unique features of this paper are: 1. This thesis, through analyzing the disorderly flowing in college and university teachers, revealed the connotation of the rational and orderly flowing of teachers. It"s unique among the same research. 2. This thesis, through applying the knowledge of higher pedagogy, educational economics, educational administration and educational sociology, etc. made a macroanalysis on the flowing of college and university teachers. Its distinctive from other papers which only focus on the phenomena and microanalysis. 3. This thesis, based on theoretical studies, put forward several practical measures for bringing about the rational and orderly flowing of college and university teachers. It puts attention on combining theoretical research with practical research.

本文的创新点在于：1、通过分析高校师资流动中的无序现象，揭示了高校师资合理有序流动的内涵，这一点在同类研究中是没有的；2、能够综合运用所学过的高等教育学、教育经济学、教育管理学和教育社会学等知识，从宏观上系统深入地研究了我国高校师资的流动问题，有别于其他的现象研究和微观研究；3、本文在理论研究的基础上对促进高校师资的合理有序流动提出了一系列有实践指导意义的对策措施，注重理论研究与实践研究相结合。

This study would focus on the usability evaluation of the interaction system, JoinNet, which is the most popular synchronous learning system on the market. Three approaches adopted in this study were user's hands-on test, heuristic evaluation, and questionnaires. Based on Nielsen's five usability features, learnability, efficiency, memorability, errors, and satisfaction, as the evaluation criteria, this study intended to assess the interface usability and find out the potential problems of JoinNet. According to the results of the usability evaluation, the researcher would provide suggestions for interaction system designers.

本研究焦点即在评估目前市占率极高的「JoinNet即时互动系统」之使用性，透过使用者测试、启发式评估法以及问卷调查法，以Nielsen所提出的五项使用性效标：易学性、操作绩效、可记忆性、错误率与使用者满意度，来检视此系统的使用性，以了解可能产生的使用性问题，进而根据使用性评估结果，提出提升即时互动系统使用性之建议。

In conjunction with MICQ, a nephogram clustering algorithm based on PSO is proposed, of which the coding and fitness function are projected. In addition, nowadays, many researches of nephogram classification usually focus on some single feature, and the classifications are achieved based on these unique features, correspondingly. This strategy would probably ignore the potential which is provided by the combined classification based on multiple features.

结合该参数，本文将一种基于群体智能的随机优化技术：微粒群优化算法，引入到云图的分类领域，从算法编码和目标函数的构造方面进行了设计，提出了一种基于微粒群优化的云图聚类算法，为后一阶段的云图分类打下基础。

We focus on the effect of the unit margin and the residual cost on the decision of a distributor. By analyzing the distribution of his earnings, we build a newsvendor model based on expected utility theory, where the reference point depends on the earnings distribution.

本文着重考察单位产品利润率和剩余产品处理费用对经销商决策心理和行为的影响，通过分析零售商的收益分布状况，再基于展望理论的思路，建立了参考点取决于损益状况的报童展望模型。

The first part states in a comprehensive way the research on Zhou Zuoren so as to define the purpose, methodology and significance of the dissertation. The second part analyzes the experience of Zhou's self-culture creation from a personal angle-Yue culture in Zhejiang gave Zhou a perceptual knowledge of folklore, while the idea of world folklore gave him a rational cognition of folk' culture. The combination forms a dual folklore. The third part observes Zhou Zuoren's examination of literarure from folklore's perspective as well as its pioneering significance. The fourth part explores in a further way Zhou's perspective of folk culture, and analyzes the method he has established to conduct literary criticism from the angle of folklore as well as his research on Chinese Culture. The fifth part analyzes the impacts folklore theory and folk culture have on the formation of Zhou' literary ideas, focusing more his folklore interpretation and humanism perspective about the origin and hist ory of literature, also his literary aesthetic standards about "ordinary humanism" and "loving amusement" from the position of folklore. The sixth part expounds Zhou's achievement in combining literature and folklore and explores the consistency of their focus on human, thereby presenting a complete picture of Zhou's literature. The last part generalizes the revelation drawing from the research done in this dissertation.

本文分为六章：第一章综述周作人研究的历史与现状，从而确定本文的研究目的、方法及意义；第二章从社会、时代背景、区域文化传统和个人文化选择的角度，阐释周作人选取民俗学视角观照文学的原因，侧重分析周作人自我文化建构的心路历程——浙江越文化传统的浸润给周作人以民俗学的感性认识，而世界民俗学的理念赋予他注重民间文化的理性精神；第三章考察周作人的民俗学研究及先锋意义；第四章进一步探讨周作人的民俗文化观，分析他确立的从民俗文化角度进行文学批评的方法，兼及他从民俗学视角进行的中国文化研究；第五章分析民俗学理论及民俗文化观在周作人文学思想生成中的影响，着重论述周作人关于文学起源和文学发展史的民俗学阐释、文学的民俗人性观，以及从民间立场出发所具有的"平凡的人道"、"有情的滑稽"等文学审美原则；第六章从创作实践方面，探讨周作人文学作品的民俗文化意蕴，进一步论述周作人将文学与民俗结合在一起的实绩，并揭示二者以"人"为核心的内在精神的一致性，从而呈现出周作人较为完整的文学风貌；最后是余论，指出这一研究的启示。

General layout: General idea should focus on protecting urban water sources, restoring riverways, wetlands and groundwater, improving the water body function, strengthening water resources allocation and water function regions management. Based on existing water project structures, the generallayout follows as that urban water sources conservation on the upriver, wetland and groundwater restoration on mid-river and coastal wetland and estuarine eco-area restoration on the downriver, achieve the target that rivers and lakes 'connection, green bank, clean water, flowing river', then form aquaticecosystem protection and guarantee system.

以保护城市水源地为重点，以修复河道湿地、地下水和改善水体功能为核心，以强化水资源配置和水功能区管理为关键，基于现有的水利工程体系，在流域上游建立以城市饮用水水源地为主体的生态保护屏障，在流域中游建设以湖泊为点、河道为线、地下水为面的水生态修复系统，在流域下游构建以滨海湿地和入海河口为中心的生态恢复区，遏制水土流失，增强水源涵养，保护水功能区，实现河、湖&连通、绿岸、清水、流水&，进而形成防控结合的水生态环境保护与修复保障体系。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐