模型外科 的英文怎麼說

中文拼音 [xíngwài]
模型外科 英文
model surgery
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : Ⅰ名詞1 (學術或業務的類別) a branch of academic or vocational study 2 (機關按工作性質而分設的單...
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學,運用該學的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此,本文還針對導向機構進行受力分析,在建立該機構的空間動力學后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。
  2. In summary the major research work in this thesis can be drawn as follows : 1. the techncal data and research information from woridwide aviation history about bird striking to airframe have been collected and reviewed more carefully the evolutions of bird striking load models and fem numerical compatation methods to bird strike also have been sununarized. this informational research makes great help to position further thesis work scientifically 2

    本文研究工作可歸納總結為以下三個方面: 1 、較全面整理綜述了鳥體撞擊飛機結構在國內航空史上的技術資料以及鳥撞問題理論與工程研究的歷史沿革,總結了撞擊載荷研究、有限元數值計算方法的發展歷程等,明確了本文研究工作的學定位。
  3. Considering that the enterprise cannot research the " customer - enterprise " value deeply, on the basis of that, the paper puts forward evaluating system of customer value in the enterprise according to value contribution, applies ahp to analyze weight of the indexes in consultation with marketing management and selling personnel of the enterprise and relevant experts and then exert clustering analysis and sas software to classify the customers according to the current value and potential value, provide the strategies of the customer classification management. in addition, any resource is exiguity, including economical resource. this paper defines economical resource, puts forward the model of optimum distributing resource and utilizes the method of linear regress equation to get result, which to grope for a new method about calculating marketing expenditure

    本文首先界定了客戶和客戶價值的含義,同時闡述了關系營銷中客戶價值的理論以及客戶價值的影響因素,針對目前「客戶?企業」價值的研究還不成熟的研究現狀,以及現實中還沒有定量分析客戶價值大小的方法,本文提出了一套具有可操作性的客戶價值評價的指標體系,對客戶可以進行比較全面的、多角度的評價,同時採用ahp法對這個評價體系中的各指標因子賦以合理的權重,然後運用聚類分析法和sas統計軟體對客戶群進行了學地細分,在此基礎上幫助企業制定出不同細分客戶群組的營銷策略;除此之,考慮到目前企業對于營銷資源的合理分配問題還沒有進行過深入地討論,本著企業經營的根本目的是盈利的原則,論文結合經濟學原理以及計量經濟學中的多元線性回歸分析提出了實現利潤最大化的營銷資源配置的優化,旨在探索一種銷售費用最優配置的方法。
  4. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真空場學家亦提出其他解釋黑暗能量的理論,這些建基於不同的物理理論或假設,例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等,這些理論,返本溯源,其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  5. A giant model of the ear, for elementary science classes, shows the three main structural parts of the hearing organ ( external ear, middle ear, internal ear ) and the position of the equilibrium organ of human body

    ,適合初級學課程使用,顯示耳的內部構造及耳、中耳、內耳和平沖器官的位置關系。
  6. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使更準確、更實用;對保證地下水資源可持續開發的內部條件和部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙學、地球系統學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  7. For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city

    本論文得到國家自然學基金項目「泳動微機器人的機理、機構和控制」 (項目資助號: 69885002 ) 、廣東省自然學基金項目「液體中泳動微機器人的研究」 (項目資助號: 980402 )和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 (項目資助號: 010043 )等的資助,主要對在液體中運動微機器人的國內研究現狀、水生生物推進機理及其對泳動微機器人研究的借鑒和啟發作用、泳動微機器人的設計與製作、微機器人動力學的建立與分析、微機器人的自主浮遊與泳動速度控制等方面進行了大量的理論與實驗研究。
  8. This thesis analyses the changes of management environment in new period with the thought of strategy management. and the thesis also designs a set of strategic business performance appraisement index system which is integrated and scientific in terms of financial aspect and non - financial aspect, concerning to the factual situation of cpeb on the basis of appraisement index system frame in industrial enterprises set up by appreciation department, using advanced systematical appraisement and analysis method and successful experience of confrere in the home and abroad, where as it establishes a set of models on scientific appraisement method which is used to calculate the performance situation of cpeb in the past three years with the analysis and instruction to appraisement result

    論文運用企業戰略管理的思想分析新時期企業經營環境的變化,運用先進的系統評價與分析方法,借鑒國同行的成功經驗,在國內有關部門制定的工業企業評價指標體系框架的基礎上,結合長慶局的實際情況從財務和非財務兩個方面設計出一套全面學的經營戰略性評價指標體系,並在此基礎上建立一套學的評價方法,並對企業近三年的業績情況進行試算,對評價結果進行分析和說明。
  9. Abstract : with numerical simulation method the effect of the airflow pattern created by the exponential inlet on contaminant concentration and thermal comfort in an operating room was investigated

    文摘:就變化風速的送風口所產生的氣流流手術室內的細菌濃度和人體舒適的影響進行了數值擬分析。
  10. In this report, we mainly covered the following aspects of " tissue organ regeneration and replication in situ " : 1 ) procedures of tissue organd regeneration and replication and replication in clnical practice ; 2 ) the discover and existence of potentiald regenerative cell ( prc ) ; 3 ) the proliferation, differentiation and regeneration law of potential law of potential regenerative cells ; 4 ) study procedure on tissue organ regeneration and replication from prcs in vitro based on the model of full skin organ regeneration in situ after extensive in vitro, set up the method and technology of searching life regenerative substance required in tissue organ regeneration and replication in situ. in this study, first, the whole human body is divided into 206 function units, which are the " tissue organ " in regeneration study. then the histology foundation of tissue organ regeneration and replication in situ is set up. in ordre to prove the existence of the potential regenerative cells and their potential baility and function, we established clinical tracking rechnique of skin organ regeneration in situ ; meanwhile, several tissue organ regeneration and replication in vitro models which represent different kinds of runctions were sucessfully set up, with all these techniques and models, we confirmed : 1 ) the existence, function and ability of pptemtoa regenerative cells ; 2 ) the importance of life regenerative substance ; 3 ) the feasibility of tissue organ regeneration and replication in situ ; 4 ) the big value of tissue organ regeneration and replication in situ in life science and medicine progerss. we also showed the possible foreground of capture cancer with this method and technologh. in this report, nearly 200 photographs of several tissue organ regeneration and replication in situ or in vitro demonstrated the whole process of tissue organ and big organ entities regeneration and replication from cells. the results of tissue organ regeneration and replication in situ mainly include : 1 ) whole skin organ regeneration and replication in situ ; 2 ) gastrointestinal mucosa tissue organ regeneration in vitro ; 3 ) hair follicle tissue organ regeneration in situ or in vitro ; 4 ) never tissue organ regeneration in situ ; 5 ) pancreas tissue organ regeneration and replication in vitro ; 5 ) marrow tissue regeneration in vitro ; 6 ) renal glomerulus and tubule tissue organ tugeneraation in vitro ; 7 ) heart muscle regeneration in vitro, etcl. in order to let more and more people know and understand this technology of tissue organd regeneration and replication in situ, herein, for the first time, we publicize the key points of actualizing this technology. also, we publicized the technology procedures and the frame constitute of life substances. we bilieve this is a big contribution to human science

    本研究報告,重點報道了組織器官的原位再生復制的臨床程序,報道了組織潛能再生細胞的發現和存在,以及該細胞的增殖分化和形成組織器官的變化規律.以燒傷后皮膚組織器官的原位再生復制為,研究出了體組織潛能再生細胞復制組織器官的培養方法;以體組織器官的復制為,建立了尋找原位組織器官再生復制所需生命物質的方法和技術.本研究,首先按人體的器官功能,分解為206個功能單位,確立了所復制的人體器官中的組織功能單位為組織器官,從而建立了原位組織器官再生復制的組織學基礎.為了驗證組織潛能再生細胞的再生潛能,建立了皮膚器官原位再生的實體臨床跟蹤技術,同時又建立了能代表有關器官功能類別的代表組織器官的原位和體復制,以多組織器官的成功復制確定潛能再生細胞的作用,確定生命研究再生物質的重要性,確定組織器官原位再生復制的可行性,確定了組織器官原位再生復制的生命學研究和醫學進步的重大應用價值,同時展示了用此方法和技術攻克癌癥的前景.本研究報告,以近二百幅多個組織器官原位和體再生復制的實體圖片,展示了潛能再生細胞復制的組織器官和大器官司實體;展示了細胞再生復制器官的全過程.真實的報告了組織器官原位再生復制的成果.所公布的主要成果為:皮膚器官的原位再生復制;胃腸黏膜組織器官的原位和體再生復制;毛囊組織器官的原位和體再生復制;神經組織器官的原位復制;胰腺組織器官的體復制;骨髓組織的體復制;腎小球小管組織器官的體復制;心肌的體復制等.為了讓更多的人學會和掌握組織器官原位再生復制技術,本報告首次公布實施技術的重要環節和技術流程;首次公布了生命再生物質的框架和組成.作者自費研究成果對人類生命學的一大貢獻
  11. This highly detailed life - size model shows all significant features of each vertebra, including spinal cord, nerve roots, the vertebral artery, a herniated disc and vertebral notch etc. ideal teaching model for students, patient education of chiropractors

    這款自然大脊椎非常詳細地顯示了每根脊椎的所有主要特徵,包括脊椎、神經根、脊椎動脈、分椎間盤、脊柱橫突和脊椎切面,是脊椎指壓治療、整形和其他醫學專業的理想的教學,也是公司衛生保健方面的理想的
  12. On the basis of all the above, associating with the practical engineering project of the surgery ward building of hospital xiehe of hust and taking the soil - pile - raft interaction into account, the finite element models based on kirchhoff ' s thin plate and reissner ' s moderately - thick plate theories are separately then the established 3 dimension solid finite element model as the verifying standard

    在此基礎上,結合華中技大學附屬協和醫院病房大樓工程,在考慮地基、樁和筏板的相互作用的情況下,以基於三維空間理論的實體有限單元為衡量標準,對同一結構(筏板)分別用薄板和中厚板單元建立有限單元進行計算。
  13. The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation

    本文分析了浦東機場與市內目前的換乘現狀,從預測浦東機場及緊鄰空港區域中遠期的客流量入手,結合上海市政府快速軌道交通的規劃方案,並且學習境機場交通組織的有益經驗,利用規劃中的公交客流預測等學分析,對浦東機場與市中心的軌道交通銜接提出了合理的建議:一是利用目前的地鐵二號線作為航空軌道共享線來承擔大部分進出空港的客流,並且給出了以接運效率最大化為目標函數的接運公交軌道站點比選;二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場,從而減少道路交通壓力,提高航空運輸的整體服務質量。
  14. And with the case study of famous domestic and international research universities, the investigation and statistical analysis on the key elements of the discipline organization and discipline organization innovation, and the system dynamics model of discipline organization innovatio n, etc, go through to study the key way to develop the core competence of discipline organization

    並運用國內知名研究大學學組織創新的案例實證研究、學組織要素和學組織創新的調查統計分析、學組織創新的系統動力學構造等研究途徑,深入研討通過學組織創新和學組織要素建設以提升學組織核心能力,促進研究大學學建設發展的根本途徑。
  15. In addition that, there is some difficulty in evaluation repeating, evaluation modeling and weight determining, which greatly hinders the reform of higher education evaluation

    評估工作難以經常化,評估過程缺少化,評估指標權重的確定缺乏學性等等,嚴重影響高教評估工作的改革。
  16. Objective : to establish a rat model of orthotopic gastric isotransplantation by using microsurgical techniques. methods : 70 sd rats were used in our experiment and 35 gastric trasplantations were carried out. in the donor ' s operation : after the spleen was resected and the proper liver artery was ligated, the stomach was perfused through the abdominal aorta. then the stomach was resected with its peripheral blood vessels including celiac trunk and the portal vein, etc. in the recipient operation : after the stomach and the spleen were reseeted, the implantation was performed by the following sequence : the end - to - side anastomosis between the portal veins. the end - to - end anastomosis between the celiac trunk and the left gastric artery. open the blood flow to observe the effect of the blood supply of the stomach. the end - to - end anastomosis between the duodenum. the end - to - end anastomosis between the cardiac and the esophagus. results : 35transplantations were carried out in which the operation success rate in the last 20 cases was 80 ( 16 / 20 ). the average operation time was 2. 35 h. the longest survival time was over three months. conclusions : the model of orthotopic gastric transplantation in rat was successfully established. it could be used to study the transplanted stomach in the abdominal multiviseeral transplantation and the reconstruction after the total gastrectomy

    目的應用顯微技術,建立大鼠原位異體胃移植.方法70隻sd大鼠,行35例次的胃移值手術.供體手術,先切除脾臟,經腹主動脈行原位胃冷灌洗.將胃及其所屬血管,包括腹腔乾和門靜脈乾等一併切取.受體手術,先切除胃和脾臟,分別行供、受體間門靜脈的端側吻合,供體腹腔干與受體胃左動脈的端端吻合,然後開放血流.再行供體和受體十二指腸間端端吻合,賁門與食管端端吻合.結果在施行的35例手術,后20例中有16例成功,成功率為80 .最長存活者達3個月.結論成功地建立了大鼠原位異體胃移植類.該可用於腹部多臟器移植中移植胃的相關研究及全胃切除術後代胃的研究
  17. This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability

    本論文以攀鋼集團內部的資產重組為研究對象,從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內部環境入手,運用邁克爾?波特的五力競爭及因素分析法,分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法,對重組后企業的發展戰略,從管理角度進行了定位分析,為重組后企業發展提供了可選擇的四種發展戰略:即大膽發展戰略,要求新公司充分運用重組后新企業的資源優勢,資金優勢,人力資源優勢,技術優勢,是提高管理水平,加快技術改造,開發高附加值產品和新產品生產線,盡快立於強勢企業之林,早日實現「鋼鐵航母」夢的必要條件;分散性戰略,提高產品的技含量和生產高附加值的產品,全面提升企業品牌形象,擴大高端產品的市場份額,是提高企業效益,實現企業目標的必要手段;防禦性戰略,調整企業組織結構,削減勞動密集和低附加值產品生產線,降低不良資產存量,減輕企業包袱,做到輕裝上陣,有利於迎擊競爭對手的挑戰;退出性戰略,壓縮高消耗、高成本產品的生產,降低低端產品的比例,精簡生產工藝,將最終產品的成本控制在較低水平,是提高企業競爭力的有效途徑。
  18. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內現在的有關研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析,對保溫路基的溫度場進行了擬計算,論證了路堤高度對保溫材料效果的影響。
  19. In each experimental group, the percent of cgrp positive nerve fibers area in each 4 weeks model was significant higher than that of 10 weeks model ( p = 0. 013, 0. 031, 0. 000 ) ; while in control group, there was no significant difference of the percent of cgrp positive nerve fibers area between 4 and 10 weeks models ( p = 0. 579 )

    去勢組、抑制dht組和補充雄激素組cgrp陽性神經纖維面積比例兩兩比較4周大於10周;對照組4周和10周陽性神經纖維面積比例無差異。 2浙i人7」 : (泌冰)兒敏光m大義結論: 1
  20. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學,為學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
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