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Main contributions and achievements are as follows:A general non-equilibrium rigorous model for RDP is developed in this thesis. Based on the pseudo-homogenous assumption, two main factors reaction and separation are de-coupled, and an RDP model with the same format as that for a traditional distillation process is established. To solve the model with a large number of algebraic equations, modified M-K equations with tri-diagonal matrix form are developed based on the improved Separation Efficiency Functions, which greatly increases the iteration efficiency. This thesis also develops a general reactive distillation dynamic model. Through splitting of the differential variables based on SEFS, large-scaled differential algebraic equations can be solved with the improved Gear's algorithm which makes the dynamic model suitable for the on-line application. A simulation platform for the control loop design and evaluation of RDP by introducing control system equations into the dynamic model is also developed.A lactic acid purification pilot-scale RDP is investigated.

论文对热点问题——反应精馏过程的建模与优化控制相关技术进行了深入的研究，取得了一系列成果：1、建立了反应精馏过程机理模型，基于拟均相假设，将反应和分离过程进行解耦，推导出反应精馏过程的非平衡级稳态模型和动态模型，通过引入推广的分离效率函数，对模型变量进行了合理划分，显著提高了模型求解效率；将动态模型和控制系统方程结合，建立了反应精馏过程控制系统研究的辅助工具。2、全面分析了乳酸提纯反应精馏新工艺试验装置，利用本文建立的过程机理模型，对该试验装置进行了稳态和动态性能分析及水力学核算；设计和分析了单边质量控制方案，比较了间接和直接物料平衡控制两种方案的控制性能。

The main contribution of this thesis is that we propose a collaborative filtering recommendation algorithm based on double clustering. This approach first respectively clusters resources and users by the users rating on items, then makes a collaborative filtering recommendation based on the clustering result. The new algorithm can shorten on-line recommendation time. Then, we apply the classical formula of cosine correlation to double clustering algorithm, leaving out the standardization operation. In the end, we implement an educational resource recommender system according to the need of the actual project and the result is positive.

本文的主要意义在于，首先运用聚类技术对用户和资源分别进行聚类，然后利用聚类结果进行协同过滤推荐，由于聚类部分离线周期进行，大大缩短了在线的推荐时间；然后将经典的余弦相似性计算公式运用到双重聚类算法中，省去规范化处理操作，减少运算量；最后结合实际的需要，实现一个资源推荐系统。

Because of the internet, we can read books and newspapers without going to the bookstore and library (if you want to maintain a status of literate). Besides, we can do shopping without going to the market place, can meet friends, see prospective partners, and get married without going to see the real person (chatting on QQ, loving on line, having factious marriage on internet), and so on. Finally, we do not only care for meeting each other, we also don't care for calling or even sending short messages to others. Our life then lost the so called "communication function" or "communication necessity" by the functional linguisticians.

因为网络，读书看报不用去书店或图书馆了（假如还有几个人想维持识文断字的身份的话），购物不用去商场了，找朋友、相亲、结婚也不用真的与人见面了（QQ聊天、网恋、网络虚拟婚姻），等等，最后，人与人之间，不仅不愿见面，连电话也不打了，甚至短信也懒得发了，生存已经失去了功能语言学所说的"人际功能"或人际必要了。

To pay attention, some girls buy the foreign trade clothes clothes, clothes look like fundamentally do not have the problem, but puts on the upper body to be able to discover, two side shoulders not equally high, sleeve not equally uneven, chest too width very sloppy, either Sleeve puts on for a morning to be able upwardly to hemstitch, these goods also all are the slight defect, this kind cannot see the slight defect at least needs to put on for several hours only then to be able to discover, but very many girls on-line buy clothes, either trial time too happy, only turns and look at the design and the color, looks for the end of a thread, either is busy is chopping the price, how doesn't have pays attention, And so on went home has put on a day discovery problem, also has been late, therefore everybody bought clothes time wanted careful to try oh!!

如了解该资讯相关课程或报读，请联系我们的课程顾问或网上留言◆如需要报读或了解更多的资讯，请点击"深圳专业英语培训网"关于选购衣服注意的是，有的女孩买外贸衣衣，衣服看起来根本没毛病，可是穿上身就会发现，两边肩不一样高，袖子不一样齐，胸口太宽很邋遢，或者衣摆穿一上午就会向上卷边，这些货也全都是瑕疵品，这种看不出的瑕疵至少要穿几个小时才会发现，但是很多女孩在网上买衣服呀，或者试的时候太高兴，只顾看款式和颜色，找找线头啦，或者忙着砍价，就没怎么注意，等回家穿了一天发现毛病，也晚了，所以大家买衣服的时候要仔细一点的试哦！！

And an on-line adaptative training algorithm of the weights of neuron is given, which enhances fusion precision of the model, fault tolerance and adaptive ability for subsystems 4 In order to diagnose the soft fault of integrated system, a new fault detection method is proposed based on federated filter, which can detect fault of system in short interval and greatly enhance the method sensitivity to fault A fault diagnosis method of Dynamically Tuned Gyro baesd on parameter estimation of kinetics model of rotor, and signal pretreatment, parameter estimation and strategy of fault identification are studied in detail The method can locate fault of DTG correctly and effectively, which provides a new approach and idea for gyro fault diagonsis 5 In order to diagnose the hard fault of integrated system, fault tree analysis is studied on fault disgnosis of integrated system circuits, and the hardware and software of disgnosis system are developed, with faults located to main module and circuit For futhur diagnosis, an optimal measurement technology in detection of circuits is discussed by improving an algorithm based on information theory, and a pratical method based on half-split method is proposed.

针对组合系统的软故障诊断问题，提出了基于联合滤波模型的一种新的故障检测算法，给出了算法的理论推导过程，该算法能在较短的时间内检测出系统故障，提高了算法对故障的敏感度；研究了基于动调陀螺转子动力学模型参数辨识的故障诊断方法，就其中的信号预处理、参数辨识及故障决策方法等关键技术进行了详细的研究，该方法可以正确、有效地检测与定位动调陀螺故障，为陀螺故障诊断提供了新的途径和思路。 5。针对组合系统的硬故障诊断问题，研究了基于系统浅知识推理的故障树法在组合系统电路子系统故障诊断中的应用，开发了相关诊断系统的软硬件，故障可定位到系统的主要功能模块和电路板级。为了进一步的故障定位，研究了电路板故障的最优检测问题，完善了基于信息理论的优化算法，并提出了基于&对分法&的一种实用的优化算法，故障可定位到电路板的主要功能元件级。在组建的SINS/GPS组合系统实验平台上，针对上述研究内容，进行了大量的实验研究。

Adolescents have a lower, general evaluation on Internet environment and they are not satisfied with it;Adolescents have positive behaviors rather than negative behaviors on Internet; Adolescents have a higher self-evaluation on Internet;The commonly and frequently negative Internet be}viors are cheating, legpulling and adventuring, etc; The Internet use motivations are Chat on-line, amusement reception, correspondance, emotional modulation,etc. negative influence on a few numbers of the adolescents;, Internet use information only has a

1青少年对互联网环境的总体评价较低；在互联网中积极的行为多于消极的行为；对自我互联网行为的评价高于对他人的行为评价；常见的消极互联网行为依次是欺骗、恶作剧与冒险，且对他人构成的消极影响较小；互联网使用动机依次是在线聊天、娱乐休闲、获得信息、与亲朋好友联系和调节情绪；互联网使用只对少数青少年个体造成负面影响

It was found that electrical field strength and potential around the the sample changed less in the fully insulated chamber than in conducting material phytotron, so it is closer the real condition. Based on the design, the first fully insulated large artificial climate chamber in China, in which temperature , humidity, and atmospheric pressure can be regulated, has been built in our laboratory. The paper developed an insulation parameters automatic test system of high voltage capacitive equipment based on LabVIEW. In the chamber, On-line tanδmeasurements of the capacitive transformer bushings were completed. The effects of environmental factors on tanδwere analyzed, and the curves between the tanδand the environment parameters were acquired. Then, a grey relational model to analyze the effects of main environmental factors on tanδwas built, and the grey relational grade between them was gained in this paper.

完成的主要工作和取得的主要研究成果如下：提出了全绝缘型人工气候室设计方案，计算分析了气候室内悬挂绝缘子和套管时的空间电场分布情况，并和金属材质气候室相比较，论证了该方案的优越性，据此方案研制的全绝缘人工气候室可调节温度、湿度和压力等参数，满足了人工气候试验的要求；开发了基于虚拟仪器技术的高压电容型设备绝缘特性自动测试系统，完成了人工气候室内变压器套管tanδ的在线测量试验，以此为基础分析了环境因素对电容型设备tanδ的影响情况，获得了tanδ与环境参数的关系曲线，建立了环境因素对tanδ影响的灰关联分析模型，得到了主要环境参数与电容型设备tanδ的灰关联度。

A sense of a happy face with vivid imagery technique, a born comic Tom Hank cell in his high school student in California Auckland Sky-line elected as a high grade on the boys Ban'm king 』.

张具喜感旳脸加上逗趣生动旳演技，汤姆汉克具天生旳喜剧细胞，在他就读加州奥克兰旳Sky-line高中旳高年级时就当选过『男生班搞怪大王』。

Transmission line method is a numerical computing method for the electromagnetic field which based on the Huygens principle.

传输线法(Transmission Line Method，简称TLM)是基于Huygens原理而设计的时域电磁场数值计算方法。

S. Then uses in-line skated to arrive San Francisco,again has spend 53 from San Francisco The day arrives Hawaii, he planned afterwards Australia, getsup the bicycle to pass through Australia, then goes to Indonesia,again goes to the Malay Archipelago, passes through the Asian variouscountries and so on, Finally returns to his beginning England to finish him roundthe world travel of the world.

然后使用in-line skated到达旧金山，再从旧金山花了53 天到达夏威夷，之后他打算去澳大利亚，起自行车穿过澳大利亚，然后去印度尼西亚，再去马来群岛，穿越亚洲各国等，最后回到他的起点英格兰结束他的环球世界之旅。

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