機械復述 的英文怎麼說

中文拼音 [xièshù]
機械復述 英文
mechanical rehearsal
  • : machineengine
  • : 名詞1. (器械) tool; instrument 2. (武器) weapon 3. [書面語] (枷和鐐銬之類的刑具) fetters, shackles, etc
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : Ⅰ動詞(陳說; 敘述) state; relate; narrate Ⅱ名詞(姓氏) a surname
  • 機械 : 1. (利用力學原理組成的各種裝置) machinery; machine; mechanism 2. (死板; 刻板) mechanical; inflexible; rigid
  1. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論了採用全站儀對樹狀結構進行空間三維坐標測量的方法,包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等雜的異種鋼焊接問題。
  2. Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method

    文摘:針對往振動信號的非平穩時變特點,本文在簡小波分析及非線性小波消噪理論的基礎上,以重型使用的三缸泵為例,研究了用非線性小波消噪方法提取往狀態下的波形特性。
  3. On the base of thorough analysis of fault characters, the petri net model is introduced and changed into fault petri net ( fpn ) that can be used to settle some critical problems such as complicated faults, degradation competition and one cause with multiple consequence according to the characters of fault evolvement and spreading. in order to predicate the remained life of particular machine under special working conditions, an algorithm was also providcd to analyse the timely characters of the fpn. it is demonstrated that the method provided in this paper can simulate the dynamic evolvement process more appropriate than tranditional methods such as fault tree analysis ( fta ) and can predicate the remained life of the particular machine under special working conditions

    為此,深入分析了設備的故障特性,把以描離散事件動態系統見長的petri網分析技術引入到設備剩餘壽命預測領域,並根據故障的演變和傳播特點,將petri網加以改造,提出適用於對設備合故障動態演變歷程進行模擬的「故障petri網」 ,解決了「並發故障」 、 「劣化競爭」和「一因多果」等問題,並給出故障petri網的時間特性分析演算法,用於單具體工況下的剩餘壽命預測。
  4. The progress in the research on the mechanical properties, mechanism of tribological wear, biological compatibility and microstructure of carbon fiber ( cf ) reinforced polyether - ether - ketone ( peek ) composite is reviewed in this paper

    摘要綜了碳纖維增強聚醚醚酮( peek )合材料在力學性能、摩擦磨損理、生物相容性、微觀結構等方面的研究進展。
  5. 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、系統地綜了國內外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模型,為科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,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 )根據上實驗結果,綜合運用工程力學、工程材料、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。
  6. Aiming at the design and implementation of the complex realtime control system, the thesis takes example for the intelligent manipulator, giving a structure of the hierarchical and distributed control system ( hdcs ) based on the realtime control system ( rcs ) module, advancing the analysis and design method based on the task decomposition for the complex control system, and raising to use the state transition diagrams to describe the work flow of every control task. besides, the thesis illustrates how to realize the state transition diagrams by the state tables. the state tables convert the state transition diagrams into computer language, like c + +, so as to complete the control task

    本文針對雜實時控制系統的設計與實現,以智能手控制系統為實例,給出一種基於實時控制系統rcs ( realtimecontrolsystem ,簡稱rcs )模塊的遞階分佈控制系統結構;提出基於任務分解的雜控制系統的分析與設計方法;提出用狀態轉換圖描控制任務的實現流程,並由狀態表將狀態轉換圖轉化為計算能夠處理的程序設計語言(如c + + ) ,以此實現整個控制任務。
  7. In the evolution of tcc theories, the significance of behavioral science is its concern for and description of the complication of costing that relieves the constraints of taylor ' s scientific management theory from the dead end. however, we did not get the " real cost " cognition until the outcrop of the abc theory and strategic cost management theory

    在傳統成本理論與成本控制方法的演進歷程中,行為科學的重要意義在於其正確關注和描了成本形成過程與成本控制過程的雜性,使泰羅的科學管理走出了的「精確控制」模式的死胡同,但直到戰略成本管理與企業組織理論的出現,人們才徹底改變了關于「真實成本」的認識。
  8. 2, states the complicated relativity in the mechanical system, then bases on the model of stress - strength interference, present that the relativity of between the stress and the strength of the parts is weak and the differences of the relativities of parts and the failure modes of part, and how to compute the related coefficient of parts and the related coefficient of the failure modes of part

    2 、闡繫統中雜的相關性,以應力?強度相干理論模型為基礎,指出零件的應力和強度之間不完全獨立,以及零件失效模式之間的相關系數和繫統中零件之間的相關系數求解,界定了零件之間的相關性和零件的失效模式相關性的區別。
  9. Up to now the mechanical alloying process can ’ t be described precisely in theory due to its complex

    由於合金化過程是一個極其雜的過程,迄今仍不能對它進行精確的理論描
  10. In order to predicate the remained life of particular machine under special working conditions, a mathematical model will be developed that can be used to describe the logical relations among fault events and emulate the dynamic development process of complicated faults

    本文試圖建立能夠描設備各種故障事件之間基本邏輯關系的數學模型,對設備合故障的動態演變歷程進行時域建模和模擬,從合故障的動態演變歷程角度解決單具體工況下的剩餘壽命預測問題。
  11. This paper sums the situations and trends of domestic and international engineering machinery firstly, discusses the demands and implements of intelligent and long - range monitoring and controlling, and constructs a three - layer model of the engineering machinery long - range monitorin and control system : the front unit control systems, the machine - mounted monitoring system and the long - range control center ; proposes a kind of structure of embedded system based on c / os - ; dissects the characteristics, structure, operation and schedule principle of c / os -, modified the kernel, and improves dependability of the schedule algorithm ; designs the hardware in detail : the microprocessor at91rm9200, the store unit, the serial interface, the human - computer interaction interface, the can bus control module, the debug interface and the reset circuit etc. ; on this basis, succeeds in transplanting c / os - to the system, sets up the operating system framework, designs the driver, sets up the institutional framework of upper user ' s application, provides the method and concrete application process of the graphical user interface module based on c / os -. the system designed in this paper, not only has the functions of local control, friendly human - computer interface, but also has various interfaces which make the system can be managed by the long - rang center

    本文首先綜了國內外工程行業發展的現狀和趨勢,闡明了實施工程智能化及遠程監控的意義和需求,並為此構建了工程遠程監控系統三層結構模型:前端單元控制系統、車載監控系統和遠程監控中心;提出了一種基於c / os -的嵌入式車載監控系統構建方案;深刻剖析了c / os -的特點、內核結構、運作理、調度演算法,在此基礎上對其內核進行移植前的必要修改,並對其調度演算法進行了可靠性改進;對構成嵌入式系統硬體的各個主要部分:嵌入式微處理器at91rm9200 、存儲單元、串列介面、人交互介面、 can總線控制模塊、調試介面以及位電路等做了詳細的設計;在此基礎上,成功地將c / os -實時內核移植到本文研發的嵌入式硬體系統中,建立了車載監控系統的操作系統體系結構,編寫了該操作系統的底層硬體驅動程序,建立了上層用戶應用程序的組織結構,並給出了圖形用戶界面模塊化應用程序在c / os -操作系統上的建立方法和具體應用過程。
  12. This dissertation has presented a new method on the measuring and checking procedures of the dynamic unbalance of the motorcycle crank and made a deep research on its measuring device. what have been done is as follows : firstly, the dissertation has thoroughly discussed the basic theory of rotor unbalance such as its varieties , characters and rules of the movement which is under the excitation of the inertial force and inertial moment induced by the unbalance mass. it also has deeply expounded the dynamic mechanics of the specially formed components ? crank, especially in the area of the crank integrated with shaft and piston

    本論文針對摩托車發動曲柄連桿構為研究對象,對曲柄連桿構動平衡的測試提出了一種新方法,並對其數字化測試裝置進行了深入研究,完成的主要工作及取得的成果如下:首先,對動平衡理論進行了詳細的探討,論了不平衡產生的原因,不平衡種類及轉子在不平衡量產生的慣性力激勵下的運動規律,並對曲軸這一結構特殊的剛性轉子的平衡理論進行了闡,重點研究了曲柄連桿構這一往構件的力學特性。
  13. This dissertation has presented a new method on the measuring and checking procedures of the dynamic unbalance of the motorcycle single - cylinder engine crank - connecting rod mechanism and made a deep research on its measuring device. what have been done is as follows : firstly, the dissertation has thoroughly discussed the basic theory of rotor unbalance such as its varieties, damages, characters and rules of the movement which is under the excitation of the inertial force and inertial moment induced by the unbalance mass. it also has deeply expounded the dynamic mechanics of the specially formed components - crank shaft, especially in the area of the crank - connecting rod mechanism

    本論文針對摩托車單缸發動曲柄連桿構為研究對象,對曲柄連桿構動平衡的測試提出了一種新方法,並對其數字化測試裝置進行了深入研究,完成的主要工作及取得的成果如下:首先,對動平衡理論進行了詳細的探討,論了不平衡產生的原因、危害,不平衡的種類及轉子在不平衡慣性力激勵下的運動規律,並對曲軸這一結構特殊的剛性轉子的平衡理論進行了闡,重點研究了曲柄連桿構這一往構件的力學特性。
  14. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性,並針對其不足提出新的改進方案,即:以流量放大,電反饋兩個原理為基礎,通過對流量閉環控制及壓力流量合的計算分析、確定上最小控制壓差及流量控制范圍,確定主閥結構、功能特性研究等,提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理,並進一步論了利用一個比例控制器和一個「電?轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力合控制功能。
  15. Unfortunately, there is a big difference between the vibration of water turbo - generators and other rotating machines. the nature of the coupling arised by hydro -. mechanical and electrical factors, no unique relationship between the specific faults and associated vibration features and additionally the super - imposing of various vibrations at a certain position of a unit make it difficult to ascribe the severity of vibration in accurate words

    然而,水輪發電組的振動與其他旋轉的振動有很大不同,水力、、電氣三方面因素引起的振動形成的耦聯、振動故障與振動特徵的非一一對應性及多種振動在某部位的疊加,形成了水輪發電組振動的雜性,很難用準確的語言來描振動的程度及振動是否存在,這就給振動原因的分析帶來一定困難。
  16. The process of electrolytic abrasive polishing and theory and making method of the slices are introduced and studied in this paper. at the same time, how to rewrite and compile the post - processing of i - deas in cad / cam technology is described

    本文敘了電解合研磨的理和工藝過程,彈性研磨片的生成原理、製造技術及試驗結果,同時也介紹了cad / cam技術中i - deas軟體後置處理程序的改造和編寫。
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