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With the investigation of the domestic and foreign literature systematically, the bases on the domestic and foreign present research and the comprehensive utilizations of the various knowledge of fluid mechanics in porous medium, reservoir engineering, mathematical physics, perforation completion, numerical simulation and so on, this article takes numerical simulation of gas reservoir of water solubility as the research aim which has completed following research works and obtained the corresponding research results: it analyzes the nature of the Water-soluble gas and formation water as well as the influent factors of the solubility through the study of massive materials; It establishes mathematical models three-dimension, the dual medium, the gas-water phase through the way of finite difference in the migration of water-soluble gas, which describes the entire process of release, migration and production in formation, where it considered the problems of variable bubble point; According to the numerical models of gas reservoir of water solubility it provides solution procedure that based on black oil model; It discovers that there will obtain the good effects in the lowly speed of development through simulation; the reinjection of formation water may largely enhance the produce degree of water-soluble gas when we consider reinjection in simulator; It considered the influence of perforated completion on development so as to increase the simulator"s versatility, It discovers that the simulator may reflect the conditions of development when we exanimate he simulator"s reliability with the empirical datum.
本文以水溶性气藏数值模拟研究为研究目标,在系统调研国内外文献、深入分析国内外研究现状的基础上,综合利用渗流力学、油气藏工程、数学物理方法、射孔完井以及数值模拟理论等多方面的知识,完成了以下研究工作并取得相应的研究成果;①通过对大量的资料调研,分析了水溶气、地层水性质、储层地质性质以及影响气体在水中溶解度的因素。②考虑到由于高压产生的大量水力裂缝,采用有限差分方法建立水溶气运移的三维、双重介质、气-水两相全隐式数学模型,该模型描述了水溶气在地层中的释放、运移和采出的整个过程。③在原有黑油模型的基础上,根据水溶性气藏数值模型编制了该数值模型的求解程序,该程序可以求解单重、双重介质两种情况。④通过模拟不同开采速度对水溶气开发效果的影响,发现开采速度较慢的时候可以取得较好的开采效果。⑤在模拟器中考虑了注水对水溶性气藏开发的影响,地层水回注可以大幅度提高水溶气的采出程度。⑥为增加模拟器的通用性,在模拟器中考虑了射孔完井方式对开采的影响。⑦检验模拟器计算的可靠性,发现在使用实验数据对水溶性气藏进行模拟时,模拟器可以很好的反映气藏开发的状态。
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The second part for 2-5, carried on the detailed treatise to each step of the article frame. Among them, chapter 2 mainly introduces the theories of total value management and real estate, paves the way to analyze the next substances; chapter 3 introduces the basic theories on value engineering and the significance of value engineering application in project decision-making, and finally indicates the processes and methods of value engineering application in project decision-making with particular analysis of a case; Chapter 4 describes the management of customer value, this part use the factorization methods and factorize the factor of customer value, establishes the step analysis evaluation model, use the SPSS software to analysis the data, scooping out the "latitude degree" that concealed, which customers pay attention to. According to these, this part puts forward the factor classification and improvement; Chapter 5 describes the society responsibilities that the real estate enterprises should afford, constructs a system of target about society value management and poses the specific methods of society value management.
第二部分是本文的主体部分,为二到五章,第二章主要介绍了全面价值管理和房地产的基本理论,为下面的分析做好基础;第三章介绍了价值工程的基本原理以及应用价值工程的意义,并通过案例与理论的结合,论述了价值工程在项目决策应用中的程序和方法;第四章介绍了顾客价值的管理,这部分尝试用因子分析方法把顾客价值因素作为变量,建立顾客价值管理的层级评价模型,利用SPSS统计软件对调查数据进行分析,挖掘变量背后掩藏的"纬度",即顾客关注的大的价值要素,并根据这些要素的重要性提出了价值要素分类以及改进的思想;第五章描述了房地产企业应承担的社会责任,构建了房地产企业社会价值管理指标体系,并指出了其进行社会价值管理的具体办法。
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Additionally, considering the additive methods with one evaluation function, we give the range of weights that ensure the fixedness of alternatives rank by the limited conditions on evaluation functions making sure the rank invariability on alternatives.
该方法通过给出有限方案集的非劣方案、潜在最优方案、邻近潜在最优方案以及竞争方案等定义,以Euclidean空间的距离为测度,用可变参数的最小参数变化量来描述任意方案到当前最优方案间的距离,给出了以距离为基础的定量化敏感性指数,并以竞争方案到当前最优方案的距离来衡量当前最优方案的敏感性。
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Perspective of the thesis is from the social development and enterprise progress, to enhance competitive advantage of technological enterprises as the goal, describe the necessary to resolve the issue of the organizational structure by a comparative analysis, as well as in practice, optimization of the organizational structure has practical significance, the thesis is on the basis of optimization analysis of organizational structure of Shenzhen MG technology company, and uses the four-cycle perspective to describe the cyclical dynamic reconfiguration of the organization optimization problem, through the planning, startup, diagnosis, design, reconstruction, monitoring , as well as steps to improve the optimization of organizational structure, provide a new way of thinking and problem-solving approach to improve the efficiency of organization for similarity technology enterprises.
本文从社会发展、企业进步的视角出发,以提升科技企业竞争优势为目标,阐述了解决企业组织结构问题在理论上的必要性,以及组织结构优化在实践中所具有的现实意义。本文在对深圳MG科技公司组织结构现状进行分析的基础上,采用四循环法这种以周期性的观点描述企业动态组织优化问题的方法,通过策划、启动、诊断、设计、重构、监控、以及改进等步骤逐步实现对深圳MG科技公司的组织结构优化,所得的研究成果为类似科技企业进行组织结构优化提供了新的解决思路和方案。
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Examining Weadick's early years as a showman, the first Stampede, and his contribution to its subsequent success, allows the audience an opportunity to understand Weadick's importance. Archival photos and interviews with Weadick's biographer provide a well documented story about a very colourful and lively frontiersman.
大纲这部是为卡加利牧人竞技会创办者,Guy Weadick,所做的介绍纪录片,透过一些档案照片,采访撰写Weadick自传的作者等,描述Weadick 早期的演艺生捱、第一次举办的竞技会、和他为竞技会成功所做的贡献。
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Seeing with eyes of the heart—known as mono no aware in Japanese—describes the way to understand this visual poem of a tree, framed by a window, against a backdrop of roof tiles at Hagi's Tomoe Inn.
用心灵的眼睛感受——即日语里的"物哀"——描述了怎样解读一棵树的视觉诗。在萩的友惠旅馆里,这棵树以窗为框,以屋顶瓦片为背景。
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But he never forgot, he felt the markings each morning, a ghost tattoo about her he couldn't stop describing to strangers: If there is writing in this place, he begins, it's only proof that a tribe of pens once lived here, pardoning themselves in advance for their mortal leap from a line of thinking to a half-lit field which starts under the rubric of hay and fruit trees but seems to contain much more than mere space allows, in the vicinity of sundown and all the nouns streaked with gold, drowning in drachmas, lounging in louche, leading from the eye to the distant mountain the guidebooks say is uninhabitable though behind it squats a shack which is the summer home of God, finally free from making cherries for the emperor's children; little God with his funny name for which the other students teased him so, his elaborate notes.
但他从未忘记,每天早晨他感觉得到那些印记,他忍不住要向陌生人描述她的一块幽灵般的刺青:如果这地方有写作存在,他说,那仅仅证明了有一个用笔的部落曾经在这里住过,为那致命的一跃他们自己事先道歉,从一缕思绪跃至半明半暗的原野,那原野在干草与果树的套红标题下起始却似乎容纳了比空间本身所允许的东西要多得多,在落日与所有带金纹的名词周边,淹没在古银币中,混迹于狼藉声名里,从眼前一直到导游指南称为人烟罕至的远山,隐蔽在山背后的一间密室是神的夏宫,终于从为皇帝的孩子们做樱桃的差使中脱身出来;小小的神有个其他学生们取笑的滑稽名字,他记载详尽的笔记。
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The documentation in the code says on hangup the result is -1, however when I tried it the hangup result was
源代码文档中描述挂机返回结果为-1,但实际测试结果为0
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Hein Verbruggen, Chairman of the International Olympic Committee's Coordination Commission for the Beijing 2008 Olympic Games, described what he saw on his tour of the construction sites of Olympic venues as "impressive" when he was in Beijing in May.
维尔布鲁根主席,国际奥林匹克委员会奇摩协调委员会为2008年北京奥运会,所描述的是什么,他看到关于他参观了该建筑地盘的奥运场馆为"令人印象深刻,"当他是5月在北京。
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The solitary wave can be generated considering Goring and Raichlen's movement of a paddle. The proposed original linear solution for the solitary wave generation is expressed in the hypergeometric function. Two disadvantages of the original solution with large trailing wave and skewed wave profile are found by comparing with the theory of solitary wave derived from Boussinesq's equation.
本文并以弱非线性的孤立波造波问题做为解析之对象,由於孤立波造波板速度为一超越函数,造成解析上的困难;本文以 hypergeometric 函数推求常微分方程式之全解,并与理论波形解比较后,发现由於未考虑非线性及分散性过强等问题,使得线性暂态解较理论波形拉长与歪斜,可能无法有效描述孤立波造波问题,故针对线性之分散关系做出修正。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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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。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力