模數化起重機 的英文怎麼說
中文拼音 [móshǔhuàqǐzhòngjī]
模數化起重機
英文
modular crane- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 起 : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 機 : machineengine
- 模數 : [物理學] modulus; module; modulo; mod
- 起重機 : crane; derrick; crab; freight elevator; hoist; lifter; cranage; hoister
- 起重 : jack up起重臂 jib loading boom; cargo boom; erector arm; jibboom; 起重車 carriage hoist; crane ca...
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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,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科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模型的特點及缺陷,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,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,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,科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,外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;從宇宙科學、地球系統科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。In third part, we discuss those important technological performance targets for a crane ' s metallic structures, the status index, the weight for the parameters. a new method called stochastic mistiness is put forward to accurate the status index and the weights
該章的第三節論述了起重機金屬結構的重要技術性能指標,詳細討論了指標狀態指數和權重,並提出了基於模糊數學的隨機模糊法來進一步細化結構的狀態指數和權重。This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover
其次,分析了覆蓋件成形的特點和要求,同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬,用模擬結果優化拉延工藝方案,比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策,重點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關重要。Taking thickness of web members and main chords as design variables and the lightest weight of crane booms as objective junction, considering constraints of rigidity and stability etc., this paper establishes the math model of optimal design
摘要選取起重機臂架的腹桿壁厚和各節臂架的主弦桿壁厚為設計變量,以最小重量為優化目標,考慮剛度和穩定性等約束條件,建立優化數學模型。Bridge type hoist crane parameterization model design
橋式起重機的參數化模型設計With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。In this paper, systemic theoretic analysis of the relationship of stock structure and operating performance is progressed, based on this, theoretic study and demonstration analysis organic fall together, and the neural networks model that can reflect their relationship total and systemic is established. the input variable of the model can reflect the panorama of stock structure, also, it can embodiment other influence factor of company performance. the evaluation target system that can reflect the operating condition of listed companies completely, impersonality and truly is advanced, at the same time, the best result weights confirm method is brought forward, thereby, the fuzzy integrate evaluations method is improved
本文對股權結構與經營績效之間的關系作了系統的理論分析,並在此基礎上,將理論研究和實證分析有機地結合起來,建立了一個能全面、系統地反映它們之間關系的神經網路模型:該模型的輸入變量在反映股權結構全貌的同時又體現了公司績效的其它影響因素;提出了可以全面、客觀、真實地反映上市公司經營狀況的評價指標體系,同時提出了最佳結果權重確定法,從而改進了模糊綜合評價方法,並利用改進的模糊綜合評價法求出公司經營績效的綜合量化值作為神經網路的期望輸出;改進了神經網路模型的演算法,使其在樣本數據相對較少的條件下也能很好地在性態上模擬被逼近函數。A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency
港口輪胎式起重機部件繁多、結構復雜,由數目眾多的梁桿與板殼組成,其結構設計和力學分析使用傳統的手工計算方法難以保證精度,有限元方法則需要繁重的結構建模和大量的數據輸入,並且要求分析人員具有相當的力學知識和有限元基本理論。港口輪胎起重機結構的復雜性、載荷工況的多變性導致港口輪胎起重機結構有限元建模和分析工作效率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的有限元參數化分析軟體,以適應同類機型的進一步設計開發和產品升級換代,降低建模和分析的工作難度,提高工作效率。For the cranes which arm angle and length is alterable, its utmost hoist competence is changeable. so we must found the characteristic curve math model of the crane. then the plc programme can provide protection for the crane working according to the math model
對于臂桿角度和長度可變的起重機而言,其起吊重量極限值是變化的,這就要求事先建立這類起重機的起重特性曲線的數學模型,然後再讓plc程序按照給定的數學模型對起重機進行安全作業保護。Users needn ’ t establish the model themselves. through the verification of practical engineering projects, the program afforded by this article is simple and easy to use, as well as accurate and reliable
運用本文開發的格構式動臂港口輪胎起重機結構參數化計算分析平臺對qly50港口輪胎式起重機進行參數化建模分析,驗證了本參數化設計分析平臺的有效性和實用性。Through deeply comprehending the theory of structure calculation of the crane and secondary development technology, especially how to realize the method of structure analysis and calculation of the port tyre crane, i succeed in parameterized finite element modeling of the port tyre crane body and boom based on apdl
該平臺參數化、模塊化建立港口輪胎式起重機的有限元模型,可方便地進行力學分析,為港口輪胎式起重機的設計研發提供一個快速、準確的參考結果。The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well
摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究,重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性,以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。Under the development of modern industry technology, the applications of digital components are more and more widely. as the base of the information and automation field, the micro - chip is very important. because micro - chip has n ' t the self - development function like pc
隨著現代工業技術的發展,單片機, dsp , arm , cpld等數字器件的開發與應用得到了越來越廣泛的應用,作為信息化自動化領域的一個分支,單片機起著重要的作用,由於單片機不能象pc機一樣具有自開發功能,所以,作為單片機開發工具的模擬器性能的好壞直接影響著單片機開發的效率與性能。Real estate medium service is the full name of real estate consultantign assessment and economic activities. it is a special enterprise which arises in the course of the development of markert economy system and real estate industry, it ' s impossible for the real estate market to develop and expand only by means of government intervention. since the stock business accounts for a large proporlion of real estate business, real estate medium plays more and more important role in it, since the first medium, yingkou housing - service agency, established in 1992, the medium companies in yingkou has amounted to 42 with a staff of over 120 leader the coordination of the " invisible hand ", the market and the government ' s support, though it experienced disorder and hesitation at the beginning, but the medicul service in yingkou started a little late and has n ' t played a corresponding role so far, which is reflected in medium service ' s role in housing market keeping still and lack of well - known medium brand and so on. so it is therotica lly instructive and practically valuable to investigate the problems in the development of real estate medium service and optimize the service so as to make the service industry develop continuously and prosperously despite the changing environment and tense competition
自1992年營口市第一家房地產中介企業?營口市房屋置業服務處成立以來,營口市房地產中介服務業經歷了初期的無序徘徊,而後在政府支持及市場這只「無形的手」的調控下,中介公司由一家逐步發展到42家,從業人員近120餘人,並且數量還在不斷增加。但營口市房地產中介服務起步較晚,還遠遠沒有達到它應該發揮的作用,表現為中介在商品房交易中呈停滯萎縮勢、中介機構規模過小、人員素質參差不齊、品牌力度不夠等。因此,從營口市市情出發,深入研究營口市房地產中介服務業發展問題,優化中介服務環境,對營口市房地產中介服務業在環境變化和激烈競爭的條件下持續健康地發展具有重要的理論意義和應用價值。Research on the model system of tower crane structure
全參數化塔式起重機結構模型的研究In this study, we can simulate and optimize the uprising 、 rotating and ranging working situation of crane by kinematics and dynamics method. with the building of parameter experiment interface of simulating experiment platform, we can modify the parameter of hydraulic power system and realize experiment analyzing when actual working parameter of crane is changed
通過該研究能夠對起重機的機械繫統實現起升、回轉、變幅工作的運動學和動力學模擬試驗和優化設計,並通過模擬實驗平臺的參數化實驗界面的建立,實現對液壓動力系統參數修改和起重機實際工作參數變化條件下的試驗分析。It can be seen from the temporal behavior of the three aquifers that hillslopes with a larger inclination react significantly quicker to the re - charge input and tend tend to drain faster than nearly hori - zontal aquifers. this is caused by the increasing it can therefore be estimated using a finite differ - ence approximation, ststttntlqsnt where t is a discrete change in time. so the subsurface runoff parameterization with wa - ter storage and recharge based on the boussinesq - storage equation is founded
很顯然對于同樣的入滲強度,地下徑流深隨著坡度的增大而變化明顯,這裏面關science in china ser . d earth sciences第4期? ?田向軍等:基於boussinesq - storage方程同時考慮水分儲存和入滲的地下徑流機制379圖2模型參數的敏感性鍵的原因在於隨著坡度的增大,重力的因素起到了更大的作用The fuzzy optimization mathematical model is built with the optimization target of minimizing the volume of tooth corona of worm gear in luffing mechanism of tower crane
摘要以塔式起重機變幅機構中蝸輪齒冠體積最小為優化目標,建立了模糊優化設計的數學模型。We analyzed the design theory of dam of bridge crane and design technology of dam of bridge crane, and revised mathematical model and experience formula which are used in the process of the design of bridge crane dam. with the foundation of object - oriented program method, we adopt the graphical program tools and program the dam of bridge crane computer aided optimization design software. this software has friendly man - machine interface, can achieve optimal lift system with the fundamental arguments of bridge crane dam. and can output this optimal designed result to a text document which engineering staff can be referred to
本課題通過對起重機小車設計理論構成和設計方法的分析,結合計算機輔助設計技術的基本設計理論和工程技術人員的實際生產經驗,對以往起重機小車設計過程中所使用的數學模型、經驗公式等進行了修正,以面向對象的程序設計方法為基礎,採用可視化編程工具visualc + + + 6 . 0編寫了起重機小車計算機輔助優化設計軟體系統。分享友人