正向基流 的英文怎麼說

中文拼音 [zhēngxiàngjīliú]
正向基流 英文
forward base current
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 正向 : [電學] forward direction正向傳導 forward conduction
  1. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  2. Schottky barrier diode is a kind of majority carrier device, using the contact barrier formed between metal and semiconductor to work. it has the advantages of low turn - on voltage and high response frequency, compared with pn junction diodes

    肖特基二極體是利用金屬與半導體之間接觸勢壘進行工作的一種多數載流子器件，與普通的pn結二極體相比，它具有正向導通電壓低，響應速度快等優良特性。
  3. To better understand the scientific connotation of the important thought of " three represents ", " to represent the advancing direction of chinese advanced culture " in particular, and to apply toynbee ' s " challenge - response " model to the analysis of the interactive relations between all kinds of ideologies, especially between ideological mainstreams and subordinatives existing in philosophical field both at home and abroad can make it clear that the important thought of " three represents " is the response to modern challenges

    摘要在深入領會「三個代表」重要思想的科學內涵，特別是「代表中國先進文化的前進方向」的基礎上，正確運用湯因比「挑戰應戰」模式，分析世界和中國哲學界存在的各種思潮之間，包括主流和邊緣之間的互動關系，可以看出「三個代表」重要思想是對于現代挑戰的應戰。
  4. Our goal : on the basic of cement and develop the traditional forwarder line, c & m will be transfer from traditional forwarder to modern logistics, to be a veriest specialization 、 modernize 、 internationalization logistics co. by taking full advantage of all kinds of resources and chance around us

    我們的目標：在鞏固和發展傳統貨代業的基礎上，充分利用各種資源，實現由傳統貨代業向現代物流業的轉型，建成一個真正的專業化、現代化、國際化的大型物流企業。
  5. In chapter 5, based on biot ' s theory for anisotropic fluid - saturated porous media, the rayleigh waves in orthotropic non - viscous fluid - saturated porous media are studied

    在第5章中，以biot的各向異性液飽和多孔介質理論為基礎，研究了正交各向異性無粘流體飽和多孔介質中瑞利波的傳播特性。
  6. By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism

    摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上，根據列車平穩受流對受電弓提出的各項要求，以受電弓升弓時機車前進方向上的縱向偏移量和弓頭平衡桿的平動為目標，以受電弓正常升弓所需升弓轉矩等為約束，運用基於遺傳演算法的多目標優化技術，對該型受電弓機構進行了優化，得到了使受電弓運動性能達到最優的幾何參數。
  7. We have drawn the blue map for the development of the institute between 2006 and 2010 and now we are striding toward our goal : being technic leader in aluminum industry by building up a leading - blade integrated innovating open research base for aluminum industry

    目前，研究院規劃了「十一五」發展藍圖，正在向「創新型、開放式、綜合性鋁工業一流研發基地、做鋁工業技術領導者」的宏偉目標邁進。
  8. In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation

    在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。
  9. According to the background information from the above, the facts of the combination, expansion and quick development of wut, and the strategic significance of the world ' s economy and the development of university, and from the angle of history, reality and the future, to a large degree, this paper analyzes three strategic environment faced by university, that is : intellectual economy and the world ' s new technical revelation ; marketing economy and modernization of china ; the popularity of education and the reform of chinese higher leaning system. through a thorough analysis of thirty six comprehensive universities and science and engineering colleges owned by the national education department, and through comparison between typical universities, this paper also objectively analyzes the strength and advantages of the development of wut on the aspects of subjects, trade and scale, and the disparity existed in subject strength, scientific and technical ability, qualified personnel construct and the economic base. through those analysis, it points out several problems in the development of university, such as " no common idea, no complementary subjects, no fixed core, no unified campus " and etc. therefore, a basic conclusion is drawn, that is " generally speaking, wut ranks among the second class of the nation ' s higher learning groups, and which possesses many potentialities to help itself step into the first class universities

    本課題正是從上述背景出發，緊密結合武漢理工大學合併、擴招和大發展的實際，從世界經濟和大學發展的高度，從歷史、現實和未來的角度，大范圍、多層面、寬視野地分析了學校發展所面臨的知識經濟和世界新技術革命、市場經濟和中國現代化建設以及教育大眾化和高校管理體制改革三大戰略環境，通過對育部所屬36所綜合及理工類高校的整體分析和典型大學的個案對比，比較客觀地分析了學校發展在學科、行業和規模三方面的實力與優勢以及存在的學科實力、科技能力、人才結構和經濟基礎等四方面的差距，指出了學校發展中「無共同的理念、無互補的學科、無凝聚的核心、無統一的校園」等問題，並得出一個基本結論：學校總體位居全國高校第二集團水平，具有向一流大學邁進的基礎，同時，相比國內一流大學又有很大的差距。
  10. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下：第一章介紹了信用、信用風險、信用評價的概念，回顧了信用評價的歷史、發展和現狀，並綜合各種信用評價模型，指出這些模型各自的優缺點：第二章簡單描述了人工智慧技術，著重介紹有關專家系統與神經網路的基礎知識，通過總結它們的優缺點，指出結合專家系統與神經網路構造混合型專家系統的必要性；本章還介紹了神經網路子模塊的概念，提出了混合型專家系統的一般框架與設計步驟：第三章對樣本數據進行處理，包括異常數據的剔除、因子分析等，提出了信用評價混合型專家系統的具體框架結構，介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法；第四章介紹了面向對象技術，進而採用面向對象對信用評價系統進行分析，建立了對象模型和功能模型，並在此基礎上，採用c + +語言以規則類為例說明系統中具體類的實現，用偽代碼的形式描述了推理的演算法；第五章描述了整個系統的結構，對系統主要功能模塊和界面進行了介紹，並總結系統的特點；第六章總結了全文，指出本文所構造系統存在的不足以及對將來的展望。
  11. Based on the analysis of pulping movement of material in bivis extruder, a study on the designing theory of positive directional screw in bivis extruder had been carried out, the relationship between flow capacity and basic parameters of positive directional screw in bivis extruder was established, the designing method of negative directional screw was discussed, and a basic designing train of thought of the extruder was put forward

    摘要在分析雙螺桿磨漿機中物料磨漿運動的基礎上，對雙螺桿磨漿機的正向螺旋的設計理論進行了研究，建立了流量與雙螺桿機構正向螺旋的基本參數之間的關系，討論了反向螺旋的設計方法，提出了雙螺桿磨漿機設計的基本思路。
  12. Modeling in current 3d cad softwares such as catia, pro / engineer are mainly based on sketch design. according to the idea of modeling and on the basis of segmenting 3d measured data with feature design intention, this thesis studies the reconstruction methods of model sketch - based feature such as extruded and rotational features in structural part models

    當前主流的3dcad軟體如catia 、 pro engineer等在實體建模時主要是基於草圖設計的。本文在特徵數據分割的基礎上，結合正向設計的思路，著重研究結構件中的拉伸、旋轉等基於草圖的特徵模型重建問題。
  13. From this point, the thesis establishes the two network models that are embodied in the above three models. all the above suggestion and research about reverse logistics management and network programming can be reference for the special logistics enterprises and the enterprise who wants to establish their own new logistics system

    本文通過實例分析，在所得結論的基礎上，分別建立了兩個模型，一個是在現有正向物流系統的基礎上繼起構建的產品回收網路模型，另一個是把正、逆兩向物流進行整合優化來構建的網路模型。
  14. According to the actuality of the present research on ct, we bring forward a new design scheme based on the rogowski coil, in this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    本文在考察了國內外電流互感器發展現狀的基礎上，提出了一種基於rogowski線圈的電流互感器，該互感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。
  15. With the economic development and the improvement of information technology, the definition and content of logistics have changed significantly, that is, the traditional logistics is turning into modem logistics

    隨著經濟的發展，物流的概念與內涵都發生了深刻的變化，正在從傳統物流向現代物流轉變，即由基於手工機械作業的傳統物流向基於電子信息技術的現代物流轉變。
  16. Just based on the two points mentioned above, a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper, which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed

    正是基於上述兩個出發點，本文設計了一臺基於8xc196mc單片機的2 . 8kw變速恆頻雙饋風能發電控制系統。主電路中變流器的設計可使該系統能工作于亞同步速、同步速及超同步速三種運行狀態，並具有能量雙向流動的特點。
  17. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明，這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  18. Forward base current

    正向基流
  19. Based on the analysis of the bottleneck effect in the development of the e - commerce and the inquiry of the interrelationship of e - commerce and logistics, referred to the successful experience and practices of the enterprises, the conclusion was made that there are three models of the integration of e - commerce and logistics, i. e. e - commerce extending to logistics, logistics extending to e - commerce and the third party logistics ( 3pl )

    本文立足於對電子商務中存在的物流「瓶頸」效應的分析，探討了兩者之間的相互關系和電子商務下物流服務的特點。通過對兩者之間內在關系的分析，結合國內外部分企業已經取得的成功經驗和正在進行的實踐探索，總結出了電子商務與物流整合的三種基本模式，即電子商務企業向物流延伸模式、物流企業向電子商務延伸模式和第三方物流模式。
  20. Efficient human resources reorganization and knowledge refreshing events keep pumping talent and elegance into company ' s dynamic operation, which are essential to the corplorate growth. world class management model, coupled with talented people, underpins huahai ' s world class products

    人員的調整和知識的更新為華海注入了強大的活力，也是企業奮蹄向前的動力，正是基於一流的管理模式，擁有一流的人才、才使華海生產出一流的產品。
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