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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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In 1968 in Jingyuan County Water and Power Authority, in June 1976 in electrical engineering Xing headquarters, in March 1985 term of office of the Public Works chief, was transferred in 1985 Hirakawa deputy director of the agricultural area, in July 1987 Dry Hirakawa term Electric irrigation works-in-command headquarters, in December 1994 Xi Gela Beach mention any irrigation project, deputy head of the preparatory group, the term of office in April 1997 Hirakawa Secretary Water District, in March 2000, deputy district head office Hirakawa.
赵质 1948年9月生,靖远县东湾乡人。1968年在靖远县水电局工作,1976年6月在兴电工程指挥部工作,1985年3月任工务科科长,1985年调任平川区农委副主任,1987年7月任旱平川电灌工程指挥部副指挥,1994年12月任西格拉滩提灌工程筹备组副组长,1997年4月任平川区水利局局长,2000年3月任平川区副区长。
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We are trained as senior engineering technicians with the knowledge in anti-pollution of water, gas, sound, solid waste, pollution control, water supply and drainage works, water pollution control and planning and protection of water resources for cities and towns, who are able to be engaged in the aspects of planning, design, management, education, and research and development for environmental engineering.
本专业通过学习物理化学、工程力学、工程制图、微生物学、水力学、环境监测、固体废弃物处理与处置、大气污染控制等环境工程学科的基本理论、基本知识,培养具备城市和城镇水、气、声、固体废物等污染防治和给排水工程、水污染控制规划和水资源保护等方面的知识,能从事规划、设计、管理、教育和研究开发方面工作的环境工程高级工程技术人才。
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This thesis analyzes the types and art trait of solar-assisted heat pump water heater, the development trend of direct expansion solar-assisted heat pump water heater, makes a summary of these research results from six aspects. On the basis of these works and from the point of view of receiving optimum solar radiation , the thesis develops a novel design model of direct expansion solar-assisted heat pump water heater with a truncated cone collector/evaporator, theoretically analyzes the heat that the system can absorb, compares its ability with other two types of cylinder and flat plate ones, and calculates COP and EER with computer aids. The results show that a truncated cone direct expansion solar-assisted heat pump water heater can absorb not only more solar energy but heat energy in air. It takes on favorable thermal performance. Under the average day in February which is of the worst weather throughout the year in Kunming, the COP is about 4. 2, EER is about 2.9 . The heat absorbed by the system are more than those of the other systems. The system is very great in terms of saving
本文分析研究了太阳能热泵热水系统的分类及技术特点,直膨式太阳能热泵技术国内外发展趋势,从六个方面对直膨式太阳能热泵热水系统的研究进行了归纳总结;在此基础之上,从太阳辐射的最佳接收考虑,提出了集热器/蒸发器为圆台侧面的圆台型直膨式太阳能热泵热水器的设计模型,理论上分析了这种热水系统所接收的太阳辐射和得热量,并与圆柱型、平板型的直膨式太阳能热泵热水系统进行对比分析,通过计算机辅助模拟计算出:系统不但可以有效地吸收太阳能,还能有效地吸收空气中的热量,具有良好的热性能;在昆明,以2月为代表的冬季,其太阳辐照较低,系统的制热系数COP值也能达到4.2,效能比EER值为2.9;系统的得热量高出圆柱型、平板型的直膨式太阳能热泵热水系统,节能效果明显。
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Professional to undertake: ventilation cooling plant engineering, energy saving and environmental protection air-conditioning works, the central air-conditioning engineering, purification dust works, clean room engineering, fuel injection decontamination, waste treatment works, complete sets of kitchen equipment in Western works, hot water systems and other environmental series works Design and installation, project examples and after-sales service by the broad masses of old and new customers reputation!
专业承接:厂房通风降温工程、节能环保空调工程、中央空调工程、净化除尘工程、无尘车间工程、喷油净化工程、三废处理工程、中西餐成套厨具设备工程、供热水系统等环保系列工程的设计与安装,工程实例和售后服务深受广大新老客户美誉!
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Professional to undertake: ventilation cooling plant engineering, energy saving and environmental protection air-conditioning works, the central air-conditioning engineering, purification dust works, clean room engineering, fuel injection decontamination, waste treatment works, complete sets of kitchen equipment in Western works, hot water systems and other environmental series works Design and installation, project examples and after-sales service by the broad masses of old and new customers reputation!
专业承接:不锈钢厨房工程、厂房通风降温工程、节能环保空调工程、中央空调工程、净化除尘工程、无尘车间工程、喷油净化工程、三废处理工程、中西餐成套厨具设备工程、供热水系统等环保系列工程的设计与安装,工程实例和售后服务深受广大新老客户美誉!
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Befroe evaporation, water in soap works its way from deep inside the bar, where the water content is highest, to the drier surface,where there is less water. Thus uring soap undergoes two opposing reactions: The glycerin in the soap attracts water from the environment to the soap, and the water inside the soap gradually evaporates.
在水分蒸发到空气中之前,肥皂深层的水分会向含水量较低的肥皂表面运动,这样就形成了肥皂内部两个相对的反应:肥皂内的甘油吸收肥皂外部空气中的水分,而同时,肥皂内部的水分也在缓慢向外部蒸发。
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Recently, the author registers a civil engineer (project of irrigation works water and electricity) the concerned personnel that the executive circumstance of the system covered countrywide reconnaissance design to register major of project of water and electricity of engineer irrigation works to run committee.
最近,笔者就注册土木工程师制度的实施情况采访了全国勘察设计注册工程师水利水电工程专业管理委员会的有关人员。
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Aimed at the increasing eco-environmental problems, including water shortage, water pollution, soil salinization, water loss and soil erosion, loss of function of the channel and river, biocenose degradation, etc, which severely infected the sustainable development for irrigation area, the main works in this paper are summarized as followed: constituting the measures of water resources shortages for developing agricultural water-saving technologies and adjusting agricultural structures; constructing the water polluting control and purification system of Mushroom lake: source control and decrement-sewage collection and treatment - channel ecological interception - wetland treatment -reservoir purification; putting forward the systematic projects for soil salinization and water loss and soil erosion of the integrated application of water conservancy agriculture and forestry.; constructing the ecological impervious channel model in west bank, from all of which theoretical bases and technical support for the eco-environmental rehabilitant in Manasi irrigation area were offered. All of these works were based on data collection, technical analysis, on-the-spot investigation, experimental research and technical development about Manasi irrigation area, etc.
通过对玛纳斯河灌区进行资料查阅收集、理论分析、现场勘察、试验研究和技术开发等途径,针对玛纳斯河灌区存在的水资源短缺、水体污染、土壤盐渍化、水土流失、沟渠河道功能缺失、生物群落退化等日益突出的严重影响灌区可持续发展的生态环境问题,制定了发展农业节水技术、调整农业结构的灌区水资源短缺的措施,构建了&源头控制减量-污水收集处理-引水调控-渠道生态截留-湿地生态处理-库区生态净化&的蘑菇湖水污染控制与净化系统;提出水利、农业、林业综合应用的灌区土壤盐渍化、水土流失问题的综合治理方案;构建了西岸大渠生态防渗型渠系模式,为玛纳斯河灌区生态环境修复建设提供了理论基础和技术支持。
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Zhang, Rong (1963 -), male, the Han nationality, civic engineering bachelor, senior engineer for the water-supply and water-draining specialty, Huizhou city running water main corporation chief engineer, is engaged in the city water supply works more than 20 years. He has a lot of experience in water-supply design, construction and management.
张戎(1963—),男,汉族,工学士,给水排水高级工程师,惠州市自来水总公司总工程师,从事城市供水工作二十多年,对给水设计、施工、管理有丰富的经验。
- 推荐网络例句
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We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.
索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。
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The relationship between communicative competence and grammar teaching should be that of the ends and the means.
交际能力和语法的关系应该是目标与途径的关系。
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This is not paper type of business,it's people business,with such huge money involved.
这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。