motor construction 中文意思是什麼

motor construction 解釋
發動機結構
  • motor : n 1 原動者;原動力。2 發動機;馬達;電動機;【火箭】助推器;汽車。3 【解剖學】運動肌;運動神經。a...
  • construction : n 1 建築,結構,構造,架設,鋪設;建設;設計;工程;建築法,構造法,建築物;【戲劇】搭置,布景,...
  1. The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed

    本文內容包括:首先綜述生物學領域分子馬達研究的最新進展,內容安排為:肌球蛋白的結構和功能,驅動蛋白的結構和功能,肌球蛋白和驅動蛋白定向運動機制的結構生物學方面的最新進展;其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型,內容安排為:分子馬達運動的基本觀點和建構模型的一般方法,勢壘的兩態漲落誘導的分子馬達運動模型,分子馬達定向運動的偶極子模型;最後討論雙頭相互作用的分子馬達模型,內容安排為:先詳細論述模型的構建,再建立langevin方程和fokker - planck方程,接著用差分的方法求解出fokker - planck方程的解,然後分析和研究分子馬達定向運動的機制。
  2. Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc

    能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構檢查等。
  3. Since sixties, the specialized sub - company has completed ventilation, air conditioning and dust removal work for both industries and domestic purpose including pharmacy, smeltery, steel mill, motor manufacturer, construction material manufacturer, the cinema halls, seaman club, broadcast and tv centers to the luxurious hotels and skyscrapers

    本公司的專業安裝公司,自六十年代至今,先後完成了制藥、冶煉、鋼廠、發動機製造廠、建材等廠礦的通風、空調、除塵以及高級豪華影劇院、賓館大廈、彩電播送中心等民用製冷空調工程的安裝。
  4. Only persons authorised by the construction manager or his nominee may enter any electrical motor rooms, switch rooms, control rooms or cable ducts

    只有經過批準的工作人員才可進入任何電動機房、開關室、控制室或電纜溝。
  5. Section 37 of the road traffic ( construction and maintenance of vehicles ) regulations prohibits any person from installing any visual display unit which enables the display of television programmes or stored visual images at any point of a motor vehicle visible to the driver whilst in the driving seat

    問題: 《道路交通(車輛構造及保養)規例》第37條禁止任何人把可播放電視節目或預錄視象的視象顯示器,安裝在汽車內駕駛人在駕駛座椅時可看到的地方。
  6. As the bearingless motor is constructed with contact - free bearings, it works free of wear, frictionless, free of abrasion and without lubricants. with the compact construction, low loss and other features, the bearingless motor demonstrates the potential applications in space technology ", science research, high vacuum technology and ultra high - speed drives

    其不僅具有磁軸承電機的優點,同時具備軸向利用率高、體積小、功耗低的特點,在空間技術、科學研究、真空及凈室技術、機床、離心機等領域具有廣泛的應用前景。
  7. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因: ( 1 )去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等; ( 2 )低轉動慣量的轉子提高了電機機械響應的質量,從而縮短了電機加速和減速的時間; ( 3 )高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高; ( 4 )由於沒有機械換向部分定子的結構簡單了。
  8. Two new motor roads have recently been opened, and several others are under construction.

    兩條新的機動車公路最近已經通車,另外的幾條尚在建造中。
  9. Article 10 import or export licence shall be exempted in the following cases : the importation into the bonded area of machinery, equipment, goods and materials for capital construction, motor vehicles for production, means of transport, and articles for office use, which are to be used within the bonded area ; the importation of raw and processed materials, spare and component parts, primary parts, fuels, and packaging supplies needed for processing export products ; the transit goods for storage ; and the products processed in the bonded areas and destined for export

    第十條從境外進口運入保稅區的供保稅區內使用的機器、設備、基建物資、生產用車輛、交通工具和辦公用品,為加工出口產品進口的原材料、零部件、元器件、燃料、包裝物料,供儲存的轉口貨物,以及在保稅區加工運輸出境的產品免領進出口許可證。
  10. If you are in doubt as to whether or not your vehicle does comply with the laws relating to construction and maintenance, you should contact the senior engineer motor vehicle examination at 34 f, immigration tower, 7 gloucester road, hong kong tel 2829 5466

    若對你的車輛是否符合有關構造及保養的法例規定有所懷疑,可向香港灣仔告士打道七號入境事務大樓三十四樓車輛檢驗組高級工程師查詢(電話:二八二九五四六六) 。
  11. The seven technical institutes provide technician - and craft - level courses in accounting, applied science, child care, china business studies, clothing technology, commercial studies, computing, construction, design, electrical engineering, electronic engineering, hairdressing, hotel - keeping and tourism, manufacturing engineering, marine engineering, mechanical engineering, motor vehicle engineering, printing and textiles

    七所工業學院辦有技術員及技工程度課程,開設的學科包括會計、應用科學、幼兒工作、中國商務、制衣科技、商務、電腦、建造、設計、電機工程、電子工程、發型、酒店經營及旅遊、製造工程、輪機工程、機械工程、汽車工程、印務和紡織等。
  12. Furthermore, it is easily arrived by air, by sea, by railway or by motor way. originated in 1990, our company specialises in producing concrete road construction equipment and small road roller equipment

    年,是生產水泥混凝土路面施工設備及小型壓實設備的專業公司,擁有各種剪折沖車刨銑鋸磨床高頻焊等多種加工設備和冷噴熱熔劃線機。
  13. It provides advanced equipment and technology to the customers in china, and imports all kinds of construction machine such as bulldozer, excavator, wheel loader, motor grader, crane, dump truck, special vehicle, road compactor and maintenance equipment, asphalt mixer, crusher, concrete mixer and so on

    為中國的工程用戶帶來日本先進技術和設備,主要經營各類工程機械設備:包括推土機、挖掘機、裝載機、平地機、汽車起重機、自卸車和各種用途車輛、路面路基壓實維護設備、瀝青灑布拌和設備、以及成套的碎石設備、混凝土辦和設備。
  14. We can come to the conclusion : cost ratio of motor fuels and total lifecycle cost, after the life cycle assessment of automobile substitute fuels based on natural gas in chongqing. we can see the economic of each automobile substitute fuel. the suggestion of energy construction adjustment in chongqing can be conclude according these conclusions

    最後文章討論了生命周期評價在能源產品開發中的具體應用,通過對重慶地區汽車代用燃料的各生產環節成本及生命周期總成本的分析,討論各種替代燃料的經濟性及未來的經濟前景,並根據分析結論對重慶地區能源結構調整提出了相應的建議。
  15. This paper introduce the technology that is used to weld the frame of the motor by the robot. there are the overall design, the construction of the working station as well as positioner and clamping apparatus, it is be reference for other welding work

    概要介紹了二維操作桿裝配單元的構成、設備選型設計、裝配方案、裝配過程分析以及各設備間的協調動作,對推動機器人柔性裝配的發展起到一定的作用。
  16. Agricultural ito, plumbing & gas ito, electrical supply ito, building construction ito and motor industry ito

    比如,農業培訓組織,管道工和煤氣工培訓組織,電工培訓組織,建築行業培訓組織和汽摩維修行業組織等。
  17. Construction manufacturing and verification requirement of terminal box flexible connection for explosion proof motor

    防爆電機接線盒軟連接結構製造檢驗暫行規定
  18. The asynchronous motor is widely used for its simple construction, ruggedness, high working reliability, relatively low cost, and high environmental adaptability. it is suit for the direction of high voltage, high speed and large capacity. vector control is its ideal speed modulation method. the harmonics of three - level inverter are less than the traditional two - level inverter ’ s, and it is convenient to realize high sinusoidal voltage output. the maximum voltage strength which each electric component bears is small, and it is easy for three - level inverter to realize large capacity. the research on the asynchronous motor vector control based on the three - level inverter is one novel work

    異步電機結構簡單、堅固耐用、運行可靠、成本低、環境適應性強,容易向高壓高速和大容量方向發展,獲得了廣泛應用,矢量控制為其理想的調速方法;三電平逆變器輸出端諧波少,有利於實現輸出電壓的正弦化,且單個開關管承受的最大電壓小,適合向高壓大容量方向發展。對基於三電平逆變器的異步電機調速系統開展矢量控制研究,是一件有意義的工作。
  19. Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed

    論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。
  20. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。
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