電機學的 的英文怎麼說
中文拼音 [diànjīxuéde]
電機學的
英文
electromechanical- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 機 : machineengine
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 的 : 4次方是 The fourth power of 2 is direction
- 電機 : (任何產生和應用電能的機器 特指發電機、電動機) any power generating or power driven machine esp ...
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Afterl95os, due to the development of quantum electronics, a new embranchment appeared, which is laser physics, it ? also called the physics of quantum transitions because of the emanation of electronic technology. the symbol of laser physics is the noble physics prize in 1964. the naissance of laser physics is the landmark in the cognition of naturalness
20世紀中葉以後由於量子電子學的發展而出現了一個新的分支,以研究激光物理機制,探索新型激光器,已形成了專門的學科,即激光物理,或因激光發源於電子技術而稱為量子躍遷物理學,它是以1964年的諾貝爾物理學獎為標志的。A widely known achievement of radio electronics is electronic calculating machine that can perform several thousand arithmetical operations in one second
電子計算機可以在一秒鐘完成幾千次計算,這個無線電電子學的成果縱所周知A widely known achievement of radio electronics is an electronic calculating machine that can perform several thousand arithmetical operations in one second
電子計算機是無線電電子學的一項人所共知的成就,這種計算機一秒鐘能進行數千次運算。Traditional textbooks of electric machinery don ' t define the positive direction of electric machines in according to the basic theory of electric machines
摘要傳統的電機學教科書對電機的一些主要物理量的正方向的規定與電機的基本原理不符。The simulation research of non - position sensor of the switched reluctant motor ( srm ) system have gained more attention since 1980 due to its flexible control method, compactness, robustness and good electric characteristics. both relevant research for theory and application in this field have made great progress. however because of relatively shorter time spent in this research and the complex nonlinearity of controlling system, a lot of problems still exist in further research
近20年來,開關磁阻電機( switchedreluctancemotor ,簡稱srm )的研究在國內外取得了很大的發展,但作為一種新型調速驅動系統,研究的歷史還較短,其技術涉及到電機學、微電子、電力電子、控制理論等眾多學科領域,加之其復雜的非線性特性,導致研究的困難性,在電機理論、性能分析和設計等方面都還不夠成熟、完善,存在大量的工作要做。The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper, the pulsation and delay of diesel torque are analyzed, the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly. the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method
本文提出了柴油發電機組機電暫態過程的數學模型,分析了柴油機轉矩的脈動和滯后,準確地描述了柴油機輸出軸扭矩與柴油機轉速和噴油泵齒桿位移之間的關系,全面揭示了柴油發電機組的運動規律,利用分段線性化的方法解決了柴油發電機組的非線性問題。Abstract : a brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units
文摘:介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。A brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units
介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。The model of fujian power grid and models of generators, excitation systems, governor systems and loads are established, the tested excitation system models of large hydro and thermal units, the model of wind turbine are established as well in this paper with pss / e, a new software imported from pti of u. s. a. recently. some key points are proposed on data convertion from psasp and bpa to pss / e. the transient and dynamic characteristics between separate excitation system and transformer - fed excitation ( self excitation ) system are compared with pss / e
本文完成了pss e的福建省電力系統的基本框架以及發電機、勵磁系統、調速系統、負荷的數學模型和參數,實現了大型水、火電廠發電機組勵磁系統實測模型和風電機組的pss e建模,提出了pss e與bpa 、 psasp數據互轉的部分要點,比較了福建電力系統現有大型水、火電廠發電機組它勵與自並勵勵磁方式的動態和暫態性能的差別。The driving metal mechanism in mechanically deposited adsorption process is studied by sem, tridimensional microscope on the base of physical chemistry and electrochemistry in this paper
摘要主要藉助掃描電子顯微鏡,結合物理化學、電化學的基礎理論知識,對機械鍍鋅吸附過程中先導金屬的作用機理進行了研究。While the scientific technology developing at a tremendous speed, the level of hydro - generator manufacturing is increasing. now the f - class insulation standard for generator is adopted, and cad for hydraulic design has spread, and advanced theory in hydraulic design is applied, and insulation materials are discovered, and precise processing techniques are under research. in the hydroelectric industry it ' s necessary to increase the generating units " installed capacity to take advantage of an old power plant and to raise the utilization ratio of water power energy
隨著科學技術的飛速發展,水力發電機的生產製造水平日益提高, f級絕緣在電機中的運用;計算機cad輔助水力設計的推廣,先進的水力設計理論的應用,新的電氣絕緣材料的發現,精密的加工工藝的研究,為了提高水能利用率,使老電站煥發青春,機組增容改造已是水電事業發展中一項不容忽視的工作。On the basis of mass unit matrix analytical method, taking thermal system of steam power - generation unit as study object, a new method of feed - water enthalpy rise distribution in regenerative system has been put forward through vigorous mathematical deduction
摘要以質量單元矩陣分析法為基礎,以火電機組的熱力系統為研究對象,通過嚴謹的數學推導,提出了回熱系統給水焓升分配的新方法。Students practice evaluating products with mechanical and electronic aspects
學生練習從機械學及電子學的角度來評估產品。Students will practice evaluating products with mechanical and electronic aspects
學生將練習從機械學及電子學的角度來評估產品。And for me, that was the kit computer on the cover of popular electronics in january 1975
而且為我,那在一月1975日內是流行的電子學的掩護上的裝備計算機。These impulses, when fed into a receiver ( television set ), can then be electronically reconstituted into that same image
當這些電子脈沖信號被輸入一部接收機(電視機)時,就可以用電子學的方法把脈沖信號重新恢復成同一幅圖像。A novel mathematical model for brushless dc motor ( bldcm ) is proposed to meet the requirements of practical analysis and control application
由於無刷直流電機( bldcm )的經典數學模型在系統性能分析和控制應用中存在不足之處,本文提出了一種新型數學模型。In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area
本文在已有理論研究的基礎上,針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題,綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法,詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為,結構混凝土中鋼筋的腐蝕是一種電化學的過程,包括在金屬表面形成陽極(腐蝕)和陰極(鈍化)區域以及不同區域間的電位差等。Then the reliability of structural system will be : because the corrosion of service pre - stressed concrete bridge structure is an electrochemical process, certain electrochemical method may be taken to control the corrosion initiatively. for large service pre - stressed concrete bridge, due to the structural character, external pre - stress method is widely acc
51由於在役預應力混凝十橋梁結構的腐蝕是一個化學、屯化學的過程,岡此,根據其反應)蕩蝕機理,可以采川電化學的方法對在役結構的)洗蝕進zh動控制。After analyzing the mathematical model of wind turbine and doubly - fed induction generator, a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well. then, through the reference frame transform, the electromagnetic equation, dynamic equivalent circuit, and vectorgraph of doubly - fed generator can be gotten in the dq reference frame. in virtue of the general dynamic equivalent circuit, it produces a asymmetry equivalent
本文在對風力機和雙饋電機進行了數學分析后,給出了功率在風力機和雙饋電機中的流動過程圖解,同時給出了雙饋電機的穩態等效電路;然後,經過坐標變換,進一步得出了同步坐標系下雙饋電機的基本電磁方程、功率方程、動態等效電路和綜合矢量圖,並藉助通用動態等效電路的形式,得出了便於定子磁鏈分析的不對稱等效電路。分享友人