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In the explore in water seepage mechanism of highway engineering, at the foundation of author's and other people's research, the author study the groundwater seepage and infiltration of rain and water with the groundwater dynamics, the rock mechanics ,the soil mechanics, the hydrologic geology, the engineering geology, the agrology. With the research result of the water seepage mechanism of highway, the author also study the principle design of waterproof, drainage and water environmental protection. The author's work is as follows:(1) The water circulation, the groundwater type and conversion, the equilibrium and circulation in soil water are introduced and studied; The seepage characteristics of rock and soil in response to stress are analyzed and studied.
作为在"公路工程地质环境中水渗流机制问题研究"中的探索研究,在本人科研和前人研究工作的基础上,以地下水动力学、岩土力学、水文地质学、工程地质学、土壤学为基础,研究公路工程建设对地下水渗流和雨水入渗的影响,以及公路防排水和水环境保护设计的原则方法,具体开展了如下研究工作:(1)首先对水循环、地下水类型及转化、土壤水平衡与循环进行了研究和介绍;分析研究了应力对岩土体渗流特性产生影响的机理。
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Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.
本文还从力学和车辆原理的角度进行了理论分析,推导了半履带式气垫车的需求功率及正常行驶条件,研究了气垫压力和功率消耗之间的关系,提出了力学模型公式;建立了半履带式气垫车总功率消耗的理论模型,研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系,分析了相应的影响因素,并提出了最佳工作状态的定义;同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作,对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析,得到了各运行状态参数的变化规律,验证了最佳工作状态和最佳垫压的理论,根据力学模型公式对进一步的自动控制问题进行了探讨,为系统的控制提供了理论指导。
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- Became assistant to Karl Landsteiner at the Rockefeller Institute, New York, USA1935 - Worked as a bacteriologist and serologist at Newark Beth Israel Hospital, New Jersey, USA1944 - Levine started a centre for blood group research at the Ortho Research Foundation, Raritan, New Jersey1946 - Albert Lasker Award for clinical research awarded to Levine jointly with Karl Landsteiner and Alexander Wiener for their work on the Rhesus factor , HDN and blood transfusion1969 - The American Society of Clinical Pathologists started an award for clinical research and named it the Philip Levine Award.
1923年-任康奈尔大学的医学博士; 1925年-在美国纽约洛克菲勒研究所成为病理学家卡尔兰德坦纳的助理; 1932年-在威斯康星大学从事噬菌体研究工作——麦迪逊; 1935年-在美国新州纽获克以色列医院作为细菌学家和血清学家; 1944年-在新泽西州拉里坦的奥索研究基金会开始了一个血型研究; 1946年-因为他们对Rh因子,新生儿溶血病和输血中的研究工作,拉斯克临床研究奖一并颁发给菲利普列文,卡尔兰德坦纳,亚历山大维纳; 1969年-美国临床病例协会开始了一项临床研究的奖励,并命名为菲利普列文奖。
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The strategy and controller are coming from combined analysis of combustion mechanism, generation mechanism of pollutants, influential elements, present application status of PID control method in combustion, as well as sum-up of controlling experience and contradistinctive researches of control strategies. It is shown that this method, when applied to furnace temperature controlling and activated-sludge process, is able to ensure controlling objects tracking in the presence of varying operation conditions, as verified via computer simulation. The thesis consists of chapters as following: Chapter 1 generalizes the research objective and brings forward the inferior theme; generation mechanisms of pollutants
本论文由以下章节组成:第1章对研究课题作了综述,提出了研究的子课题;第2章分析探讨污染物生成机理及二次污染物产生的条件,研究了控制污染的工程控制策略;第3章分析研究了仿人智能控制基本理论及其优越性;第4章通过仿真实验验证了仿人智能控制算法在炉膛温度控制中的有效性;第5章分析研究了有效防止二次污染的烟气处理方法;第6章通过仿真实验验证了仿人智能控制算法在废水生化处理中的可靠性和有效性;第7章总结了全文研究工作并对今后的工作作了展望。
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And also metal material's corrosion form and method of anticorrosion are analyzed. The review still includes water chemistry's function, principle, type and characteristic in utility boiler. And the dissertation's studying direction, content and method are determined against the current existing problem of water chemistry of utility boiler. 2. High temperature potential-pH equilibrium diagram's application and high temperature solution's practical pH calculation The application method of high temperature potential-pH equilibrium diagram and solution's practical pH at high temperature are analyzed and calculated.
本文所做的主要研究工作有:一、火力发电站热力系统防腐综述及论文研究方向与内容在查阅大量国内外文献和资料,并结合多年来工作和研究经验的基础上,对火力发电站热力系统的组成、工作环境、常用金属材料、常见腐蚀形态、常用腐蚀控制方法以及电站锅炉水化学工况的作用、原理、类型与特点等作了全面深入的分析和总结,并针对目前电站锅炉水化学工况应用中存在的问题,提出了本文的研究方向、内容和方法。
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Workflow process model consists of logic layer and semantics layer, and workflow pattern is the summarization and generalization of all the repetitiously used conjunctive symbols and its conjunctive relationship in the logic layer of a workflow process model.
本文在考察和比较了国内外各种关于工作流建模理论研究的基础上,针对实现工作流管理系统这一目标所涉及的工作流元模型、工作流过程模型等几个核心问题,在前人研究成果的基础上,对工作流元模型的可扩展性、工作流过程模型建模中存在的问题以及工作流管理系统的实现等方面开展了深入的研究工作。
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At the end of this paper, a summary on foregoing work is discussed. Also, we put forward a synoptic on future work.
最后,对本论文研究工作进行总结,并对研究工作的前景进行展望,为今后进一步进行研究工作提供建设性意见。
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Though a lot of works have been done, most of works are limited to a specific gold deposit or field, few touch on regional metallogeny and comparison of deposits.
与我国其它金矿集中区相比,本区的地质研究工作相对滞后,尽管许多地质工作者及研究者在本区做了不少工作,但主要局限于单个矿床或矿田的研究,而在区域上进行综合对比研究的工作做的相对较少。
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It is an important producing place of gold with broad prospects. In contrast to the others, the geologic studies of this region is falling behind. Though a lot of works have been done, most of works are limited to a specific gold deposit or field, few touch on regional metallogeny and comparison of deposits.
与我国其它金矿集中区相比,本区的地质研究工作相对滞后,尽管许多地质工作者及研究者在本区做了不少工作,但主要局限于单个矿床或矿田的研究,而在区域上进行综合对比研究的工作做的相对较少。
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Main points of the thesis are as follows:(1) The main function models and information relations between these models in the CAPP system in the integrated CAD/CAM project are explained, a new process plan design method is mentioned based on analyses of process plan design. This method is based on the process plan prototype, and develops the prototype little by little until the perfect process plan is completed, the prospect of this method is discussed;(2) The feature abstracting rules and methods are studied, a feature coding system is developed based on GT, all the defined feature models are described by the mathematical methods;(3) The integrated method of CAD/CAPP based on features is mentioned, this method defines a feature exchanging model, and develops an interface software to exchange design data into technology data base, this technology data base includes the design and technology information of the parts;(4) The process plan reasoning method based on features is created, this method uses Mycin algorithm to solve the reasoning of the feature process plan. A process plan making system is developed. In this system part process plan is made by the semi-intelligent method, this method uses the feature reasoning, feature process chain searching and man-computer talking together;(5) The main structure of the HOPE system is introduced, a shaft drawing and its process plan made by this system are shown, the data process problem in process drawing making is also discussed;(6) A new method of describing process rule is introduced, this method uses IfThen rules and neural nets weight values together to describe process rules, the BP algorithm is adopted in this method;(7) The optimal machining sequence problem of the process steps on the same fixturing is discussed, optimal algorithms SA is applied to solve this problem, the result shows that this method is more efficient than the traditional method;(8) All jobs in the thesis are summarized. In order to carry out the research in the future, some rational proposals are given.
全文论述的内容主要有下列几个方面:(1)较为系统地阐述了CAD/CAM一体化工程项目中CAPP系统的主要功能模块及其信息流程,在分析工艺设计过程的基础上,提出了基于特征原型的渐进式工艺设计方法,并探讨了该方法的应用前景;(2)研究了零件特征提取的原则和方法,在成组技术的基础上,开发了一套基于特征的分类编码系统,并在提取零件特征的基础上,定义了零件特征的数据模型,开发了基于轴类零件特征的参数化设计系统;(3)研究了基于特征的CAD/CAPP集成的方法,通过定义零件特征数据模型的存储结构,开发了将设计数据转换到工艺数据库中的接口程序,为后续的CAPP系统提供必要的零件形状和工艺信息;(4)研究了基于特征的工艺推理方法,将Mycin算法应用到工艺决策中,开发了基于特征的工艺推理及工艺方案生成系统,在系统中综合运用特征推理、特征加工工艺链查询及人机对话相结合的半智能化方法确定零件加工工艺;(5)介绍了整个HOPE系统的总体结构,通过运行HOPE系统绘出了一轴类零件的零件图,并生成了该零件的加工工艺方案,初步探讨了基于特征的工序图生成技术中数据处理问题;(6)研究了工艺设计过程中知识如何有效表示的问题,提出了将显式的IF-THEN规则表示与隐式神经网络权值表示相结合的工艺知识表示方法,并利用BP算法进行了工艺知识表示的初步研究;(7)研究了工艺设计过程中同一安装下工步优化排序问题,利用神经网络中基于模拟退火的理论来解决该工步优化排序问题,实践证明该方法较传统的算法具有更高的效率;(8)总结了本文所进行的研究工作,为今后进一步开展工作提出了较为合理的建议。
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backroom boys:[口]从事秘密研究工作的人员; 智囊团
ata boy! (=attaboy! at-a-boy!) [美口]好样儿的! 加油! | backroom boys [口]从事秘密研究工作的人员; 智囊团 | bloomer boy [美俚]伞兵
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backroom boys:从事秘密研究工作的人员 智囊团
backroad | 乡村道路(尤指未铺过的) | backroom boys | 从事秘密研究工作的人员 智囊团 | backroom stock | 商店辅助仓库的储存品
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backroom boy:秘密谈判的使节,从事秘密研究工作的人,智囊人物
秘密决定/cabinet decision | 秘密谈判的使节,从事秘密研究工作的人,智囊人物/backroom boy | 秘密特工人员,特务/black operator
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the backroom boys:<口>从事秘密研究工作的人员;智囊团, 幕后英雄
your back to the wall陷入绝境 | . 28 the backroom boys从事秘密研究工作的人员;智囊团, 幕后英雄 | . 29 bring home the bacon养家糊口;获得成功
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be busy with research:忙于研究工作
126.on one's own 独立地 | 129.be busy with research 忙于研究工作 | 130.bear in mind 牢记在心
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method study:方法研究
工作研究(Work Study)是上世纪40到60年代盛行的工业工程学的重要组成部分和科学管理技术,其目的是通过工作研究的技术来考察人在各种不同条件下的工作情况,系统地调查所有影响研究对象的效率和效益的因素,它包括方法研究(method study)和工作衡量.
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researches:研究工作
researcherboffin 研究员 | researches 研究工作 | researchinstitute 研究所
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researches:研究报告 研究工作
researcher 研究人员 | researches 研究报告 研究工作 | researchexpenditure 研究费用
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research worker:研究人员
research work 研究工作 | research worker 研究人员 | researcher 研究者
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He is wrapped up in his scientific studies:他全神贯注地进行他的研究工作
6.involve deeply;cause to be absorbed completely 深深卷入;使... | He is wrapped up in his scientific studies.他全神贯注地进行他的研究工作. | She is so wrapped up in him that she can't see his faults.她...