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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。

A world without professors or specialists or house–keepers with the profiles of policemen, a world which one could slice with one's thought as a fish slices the water with his fin, grazing the stems of the water–lilies, hanging suspended over nests of white sea eggs...How peaceful it is drown here, rooted in the centre of the world and gazing up through the grey waters, with their sudden gleams of light, and their reflections—if it were not for Whitaker's Almanack—if it were not for the Table of Precedency!

这个世界里没有教授，没有专家，没有警察面孔的管家，在这里人们可以像鱼儿用鳍翅划开水面一般，用自己的思想划开世界，轻轻地掠过荷花的梗条，在装满白色海鸟卵的鸟窠上空盘旋……在世界的中心扎下根，透过灰黯的海水和水里瞬间的闪光以及倒影向上看去，这里是多么宁静啊——假如没有惠特克年鉴——假如没有尊卑序列表！

So, with childish impatience, he battered the animal's sides with his heels, and made the muleteer bang it with a thick stick and prick it with a sharp one, and jolted down the hill sides through clumps of flowering shrubs and stretches of anemones and asphodel, till he heard the sound of running water, and came in sight of the group of plane trees where they were to have their meal.

因此，在幼稚的不耐烦，他虐待动物的双方，他脚跟，并提出了muleteer邦用杠和刺痛它急剧的，发生下坡双方通过丛生的花灌木和延伸的海葵和日光兰，直到他听到的声音，自来水，排在视线集团飞机树木他们在那里有他们的晚餐。

The line places thoroughly namely if with us person of Heibei laborious collect says be troubled by old~!But the jest in the human association with these buckish and Bacchic loose to mixing styles,we are indistinct saw neutral of even if film"overrun"but those who communicate is those sexes that are afoundation with love,perhaps be fundamental love with the gender,a variety of patting the result that drag,it is at least in afew kisses,exuding tenderness and love through eyes saw true love in afew dialogs,saw that situation of the intention.The film of Bmerican clique series exaggerated of purpose the to the gender understanding that those resemble our euqally big children in the Western Hemisphere and fumble,although be exaggerated,but mix after all the circumstance conform to of those Bmerican reality,believe to be in what had been our country learns in much and not been for the student of the college,but that is miserable in the ear that the thing has passed parents~!

但是在这些浮华喧闹的派对和荒诞乖张的人际交往中的笑话，我们隐隐约约观到了即便影片中性的"泛滥成灾"但是传达的是那些以爱为基础的性，或者以性为基础的爱，种种拍拖的结果，至少在一些吻中，含情脉脉一些对话中观到了真爱，观到了专心的那份情美国派系列的电影有意的夸大了那些在西半球像我们一样大的孩子们的对于性的认识和摸索，虽是夸大，但是究竟和美国那些现实的情况相符，相信在我们国家大部分中学和高校的学生来说已经不算是什么了，但是事情已经传到父母的耳朵里那就惨了~！

In my silver high-heel shoes,I go to take part in a belated dinner,I go through a tall wood in a rush,On the trees there are fantastic tropical fruits and clocks streamed with egg white,The sweet fragrance of those fruits seduces me,I pick off a beautiful dragon fruit,But see many white worms lying in it when cutting it,I scream and throw it on the ground,Those worms creep to me and begin to grow,I creep onto the tree,They also creep towards the tree wiggling their bodies,I remove my cumbrous high-heel shoes and voile skirt creeping towards a high place,like an agile cheetah,But strangely my small bag oppressively cumbers me,It turns out that the bag is full of pumpkins, monkey dolls with large mouths, crystal bottles and silver coins,I give all of these a vicious discard towards the ground from the tree,But those worms open their big mouths and swallow all of them greedily,Becoming more obese and uglier,I desperately creep upwards,Suddenly the moon is not so far from me,I jump on it with ease,Suddenly finding that the moon is a porous spongy body with the fragrance of the oven-fresh French stick bread,It takes me to flow away from that tree full of worms,I want to light a cigarette but ignite the sponge on the moon,So I descend from the height,Falling down to a huge birds' nest,In an instant my whole body is wrapped by a slick and white egg shell,I find myself becoming a new embryo,Crouching in the warm and ropy liquid,The world presents a color of delicate light yellow,In a vacuum-like silence,I hear my contented voice,"What a perfect world"

我穿着银色的高跟鞋，去参加一场迟到的晚餐，我匆忙地穿过一片高大的树林，树上挂满了奇妙的热带水果和流淌着蛋清的时钟，那些水果甜美的芳香诱惑了我，我摘下一颗漂亮的火龙果，切开来却看见里面躺满了白色的蠕虫，我尖叫着将它们丢在地上，那些蠕虫向我爬来并且开始生长，我爬到树上，蠕虫们也扭动身体朝树上爬来，我脱下了牵绊着我的高跟鞋和纱裙，象只敏捷的猎豹朝高处爬去，只是我的小包奇怪而沉重地拖累了我，原来包里装满了南瓜、大嘴猴玩偶、水晶杯子和银币，我将所有这些朝树下狠狠丢去，那些蠕虫却张开大嘴贪婪地将所有这些吞食下去，并因此变得更加肥大和丑陋，我拼命努力地向上爬，突然月亮就在我不远处了，我轻而易举地跳了上去，恍然发现月亮竟是一个带着刚出炉法棍香味的多孔海绵体，它带我慢慢飘离了蠕虫的树林，我想要点燃一支香烟却不小心引燃了月亮上的海棉，于是我从高处坠落啊坠落，落入一个巨大的鸟巢，顷刻间全身被光滑洁白的蛋壳所包住，我发现自己成为了一个暂新的胚胎，蜷缩在温暖粘稠的液体中，世界呈现出微妙的淡黄色，在真空般的静寂中，我听见自己满足的声音："多完美的世界啊！"

This morning when I made the promise with CanCan,I troubled with wether mention the situation my friend ever met,I choose no.Afer stay together with such a long time,share so much,run through so much …we have belifs with each other!I trying to make myself busier,keep away from the past,I always think too much,and more when I have nothing to do.

寒假跟一要好的朋友聊天，他喜欢的那个女生让他等她，等约定的期限到了之后，那个女生告诉他她已经有男朋友了，朋友很伤心…今天上午跟CC做这个约定，我想到底是提还是不提我朋友的这件事，后来想了一下，算了吧，一块经历那么多，彼此间都应该有这份信任！

The accountancy will replace along with the development of the social milieu, inevitable occurrence the deal changes with change gradually, change through quality at last with chop round, from a kind of accountancy appearance change become another accountancys appearance, with orientation economy development of request.

会计将随着社会环境的发展变革，必然发生量变和渐变，最后经过质变和突变，由一种会计形态转变成为另一种会计形态，以适应经济发展的要求。

1Niche construction can lead to stable coexistence of diverse genotypes in spatially structured population, which supports a stable polymorphism even without heterozygote superiority.(2)With habitat deterioration, niche construction accelerates the formation of steady polymorphism and hence impedes the harmful influences of environment on the population, which might embody a life-history strategy of organism under the unfavorable environment.(3)Niche construction results in the coexistence with alternative polymorphism through genotype-environment feedback and limited gene flow.(4)The niche-constructing organism is an active force to alter its environment and hence the direction of natural selection in order to better survival.(5)Spatial dynamics and distribution pattern of metapopulation are profoundly influenced by time-lagged niche construction.(6)Metapopulation size can reach a fixed level in the recency effect and equal weighting of time lag but is statistical stability in primacy effect, which implies the primacy effect is most remarkable.(7)The increment in the relative weightingof each generation\' niche construction and the length of time lag are significant factors for system destabilization.(8)Moderate capacity of positive niche construction benefits the metapopulation persistence.(9)The narrowing of niche breadth can decrease the metapopulation size and thereby increase the extinction risk.(10)The coupled function of time lag and niche construction make the system oscillation and generate the spiral wave, spiral-broken and circular wave in heterogeneous habitat.The spatial distributions of metapopulation and resource content are complementary due to a phase lag of their both frequencies.(12)Metapopulation persistence with niche construction depends not only on the balance between colonization and extinction, but also on the balance between the ability of niche construction and natural dissipation of habitat.(13)Metapopula-tion can survive under certain condition when the percent of suitable patches in habitat is lower than the ration of extinction to colonization.(14)Two thresholds exist in the process of transition of habitat quality dynamics from unsuitable to suitable, which include the intensity of niche construction and the initial condition of system.(15)Metapopulation size is positive correlated with the ability of positive niche construction, which means that organism or population who has strongly positive influences on their environment plays an important role to maintain the available habitat.

通过上述几个方面的研究，主要得出以下15条结论：(1)生态位构建可使空间结构种群，甚至是在没有杂合子优势的条件下，形成多种可能的稳定基因型分布模式；(2)随着环境的破坏与恶化，种群的生态位构建作用加速其较早形成稳定多态以阻碍环境对种群的不利影响，解释了有机体在不利环境下的一种生活史对策；(3)生态位构建作用通过基因型—环境反馈机制及有限的基因交流导致基因型多态的稳定共存；(4)有机体的生态位构建作用是一种积极的动力改变环境进而改变其自然选择的方向；(5)生态位构建的时滞作用对集合种群动态和空间分布产生深刻影响；(6)集合种群大小在时滞的崭新效应和等权重效应下达到一固定值，而在首位效应下达到统计稳定，表明首位效应的影响最显著；(7)首位效应下生态位构建相对权重的增量和时滞的长度是影响系统不稳定性动态的关键因素；(8)适中的生态位构建强度有利于集合种群的续存；(9)生态位宽度变窄会减少集合种群的数量从而增加其灭绝风险；(10)时滞和生态位构建的双重作用使系统产生周期振荡，并在异质性环境中产生稳定的螺旋波，破碎的螺旋波和环形波三种分布模式；(11)集合种群与资源含量的空间分布因为相滞而互补；(12)具有生态位构建的集合种群续存不仅取决于侵占率与灭绝率之间的平衡，而且依赖于生态位构建能力同其生境的自然消耗速率之间的妥协；(13)当生境中适合侵占的斑块比例小于其侵占率与灭绝率之比时，生态位构建作用促使集合种群在一定条件下续存：(14)生境斑块的状态从不适合到适合转变过程中存在生态位构建强度和系统初始条件这两个阈值；(15)集合种群的大小同正生态位构建能力正相关，意味着对环境具有较强正作用的有机体对维持有效生境起积极作用。

Dongpeng has "casting the brand with quality, promoting the brand with science and technology, promulgating the brand with public praise" as its tenet, introduces the most advanced equipment and technology in the world. Through independent research and development, it has won 192 national patent technologies, successfully developed a number of new technologies to fill the gaps in this industry; successfully launched the new products, such as vitrified tiles of "Soluble Salts","Super White,""Double Charge,""Fly Sky Stone","Sand stone","Corallite", which are popular to consumers and have launched a decorative trend of "all yellow" and "all white" in China; it has taken a lead to launch the products such as "Carrara","Navona"; antique tiles of "Zodiac","Pininfanina","Bayadela". At the same time, it has integrated modern high-tech products with oriental ceramic culture, melted into the artistic life of the people, created the flexible spaces such as cultural home space, fashionable commercial space, entire kitchen bath space, exhibition space for industrial products, hanging space of external walls and entire bath sanitation living space, etc., which leads the trend of this industry.

东鹏以品质铸就品牌、科技推动品牌、口碑传播品牌为宗旨，引进世界最先进的设备及技术，经自主研发，先后获得国家专利技术192项，成功研发了多项新技术填补了行业空白；成功推出玻化砖"金花米黄"、"天山石"、"银河石"、"飞天石"、"砂岩石"、"珊瑚玉""金碧辉煌"等受消费者推崇的新产品，掀起全国"一片黄"与"一片白"的装饰潮流；领先推出代表中国乃至国际顶尖技术的"卡拉拉"、"洞石"、"纳福娜"洞石等产品；仿古砖"花样年华"、"宾利法尼亚"、"芭雅黛拉"等产品，同时把现代高新技术产品和东方陶瓷文化结合起来，开发了具有民族文化的"艺术壁画"，融入人们的艺术生活，缔造了家居文化空间、时尚商用空间、整体厨卫空间、工业品展示空间、外墙干挂空间及整体卫浴生活馆等灵性空间，引领着行业潮流。

In connection with the application of concrete-filled steel tubular column in the engineering practice in this country at present,a new fashioned connection in framed structure of concrete-filled square steel tubular column with reinforced concrete beam was proposed,being a connection of concrete beam with non-through hidden steel corbel steel tubular column filled with concrete.

结合我国现行钢管混凝土柱在实际工程中的应用状况，提出了用于方钢管混凝土柱-钢筋混凝土梁框架结构的新型连接节点形式非穿心暗钢牛腿方钢管混凝土柱与混凝土梁节点，采用了X型加载试验方案，制作了1∶3的试验模型，进行了低周反复荷载作用下的试验研究，得到了相关的钢筋应力应变发展规律和相应的滞回曲线，通过对试验结果节点破坏的机理分析，提出了进一步的改进措施。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。