熱電比較器 的英文怎麼說

中文拼音 [rèdiànbǐjiàoqì]
熱電比較器 英文
thermoelectric comparator
  • 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...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 較 : Ⅰ動詞1 （比較） compare 2 [書面語] （計較） dispute Ⅱ副詞（比較） comparatively; relatively; fair...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 比較 : 1 （對比） compare; compare with; contrast; parallel （with）; comparison; by comparison; in comp...
  1. This thesis first studies the hydrokinetics, heat transfer characteristics, combustion and dynamics of cfbb. three types of single fuzzy controllers and a kind of synthetically fuzzy controller are designed, through the analysis of the control system of a certain plant

    本文通過對循環流化床的流體動力學特性、傳熱學特性、燃燒特性和動態特性等方面的研究，設計了三種單模糊控制器和一種綜合模糊控制器，分析了某一電廠實際控制系統，並對方案進行了比較。
  2. By develop the new type thermostat module which is specialized in the thermoelectrical hgcdte infrared sensor, i have studied some advanced temperature control technique and mapped out a scheme of fuzzy pid control

    本課題通過開發專用於熱電製冷型hgcdte紅外探測器的新型溫度控制器模塊，深入研究了當前比較先進的控溫方法，設計了模糊pid控制的總體方案。
  3. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。
  4. On the deep foundation that studies and understands thermaldynamic system of steam power plant, this text is to compare analytic theories and computation method constantly used at present on the economy of thermaldynamic system of steam power plant, calculate the influences on thermal economy with theory of equivalent enthalpy drop when high pressure heater is into stoppage, prove influences degree on thermal economy when the composition of heater stoppage is diffrent, define regenerator rate and offer theoretical direction for heater stoppage

    本文在對火力發電廠熱力系統深入學習、掌握的基礎上，對目前幾種常用的火力發電廠熱力系統經濟性分析理論和計算方法進行了比較，以等效焓降理論對高壓加熱器停運時熱經濟性的影響進行了計算，說明了高壓加熱器各種停運組合對熱經濟性的影響程度;提出了加熱器回熱率概念，從而為高壓加熱器切除提供了理論指導。
  5. The new device consists of paint - drying box, heat carrier boiler, heating pipe, expansion tank, gas separator and oil tank, etc. the data of two applied examples shows that heat carrier paint drying method is able to make painting - drying cost drop by 88 %, compared with the conventional one, that it has some advantages such as uniform temperature field, good appearance and lower costs, compared with conventional hot air convection mode

    該裝置主要由熱載體烤漆爐、輻射加熱管，熱載體爐、膨脹器、油氣分離器和儲油槽等組成。應用實例的測試數據表明，與傳統的遠紅外電加熱鋼瓶烤漆方式相比較，鋼瓶熱載體烤漆節能和降低能耗費用十分顯著，能耗費用降幅達到88 。與熱風爐對流烤漆方式相比較，熱載體烤漆方法不僅節能，而且烤漆爐溫度場均勻穩定，同時烤漆的外觀質量也得到了明顯提高。
  6. In this paper the development and status in quo about temperature measuring technologies and instruments for temperature measurement are fist summarized, and the characteristics and localizations of the current hardware - based instrument for temperature measurement are also pointed out ; and then we take the thermocouple and thermo - resistance instrument for temperature measurement as the example to analyze the most representative temperature measurement and the principle of instrument, including the temperature measuring mechanism, physical structure and notices ; an advanced manufacture technology of instrument - - - virtual instrument technology and the virtual instrument based on which are introduced in succession. this paper also narrates at length the origin, characteristics and system structure. the virtual instrument and hardware - based instrument are contrasted, which stands out the superiority of virtual instrument ; finally we combine virtual instrument and the technology of temperature measurement, which comes into being the virtual multi - channel instrument for temperature measurement debated in detail in this paper

    本文首先概述了常用的溫度測試技術和溫度測試儀器的發展與現狀，指出了當前硬體化溫度測試儀器的特點和局限性；然後以熱電阻測溫儀和熱電偶測溫儀為代表分析了最具代表性的溫度測試與儀器的原理，其中包括它們的測溫機理、物理結構和注意事項；接著介紹了一種先進的儀器製造技術? ?虛擬儀器技術以及在此基礎上形成的虛擬儀器，對虛擬儀器的產生、特點、系統結構做了較詳細的介紹並和傳統硬體化儀器做了對比，突出了虛擬儀器的優越性；最後把虛擬儀器和溫度測試技術相結合，形成了本文著重介紹的虛擬式多通道溫度測試儀。
  7. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  8. According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier

    同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。
  9. The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter

    無速度傳感器調速系統是直接轉矩控制研究領域內一個非常熱門的研究方向，本文介紹了無速度傳感技術的發展歷史及目前的研究狀況，分別利用直接轉矩控制的轉速模型方法，模型參考自適應方法、電機定子反電動勢以及擴展的卡爾曼濾波器等方法設計了無速度傳感器系統，對于其數學模型和系統構成作了比較詳細的推導。
  10. The tubular sensors were made with brass tubes used in thermal power plant and their electrochemical impedance spectroscopy ( eis ) were tested and compared in two kinds of cell ( classical tri - electrode cell and the same material tri - electrode cell )

    採用熱電廠實際使用的黃銅管製作管狀傳感器，利用交流阻抗法在同種材料三電極體系電解池中測量傳感器的電化學阻抗譜，並與經典三電極體系電解池下的數值作比較。
  11. Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, and give a special focus on the voltage - feed converter, these content is the base of all the following chapters, and is the guideline of the project i did

    第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析，重點介紹了關于串連型感應加熱的特點，是后續各章節的理論基礎，也是所作課題的主要依據。
  12. Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, then induces the power regulation methods of the series resonant inverter and compares the characteristic of these methods. and then, a capacitive pwm & pfm control method which is suitable for medium and small power out induction heating is given

    第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析，歸納了串聯諧振逆變器幾種常用的調功方法，對這幾種控制方法的優缺點進行了比較，提出了適用於中小功率感應加熱的容性pwm & pfm控制方法。
  13. Through analysis and comparison of formation mechanisms for slagging and fouling on beating surfaces of coal - fired boilers, as well as experiences of applying steam sootblowers, hydraulic sootblowers, and fuel - gas pulsating sootblowers on boiler no. 6 in dezhou power plant, in has pointed selected type of sootblowers should be directed against the fouling property and soot cleaning requirements of different heating surfaces in the large - scale coalfired boiler

    摘要通過對蒸汽吹灰器、水力吹灰器、燃氣脈沖吹灰器在德州電廠6號爐應用結果的分析比較，指出大型燃煤鍋爐應根據不同受熱面的積灰特點及清灰需要，有針對性的選擇吹灰器類型。
  14. Starting with automation system, this paper, firstly, outlines the status of sensor lying in automation field and its developing state, shows the superiority about eddy current test by comparing it with the other nondestructive tests, expatiates the modern developing state about eddy current technology both here and there, shows the vista about eddy current test in our country and the background of the subject about the test for the width and thickness of stripe in the in - wall of cylinder after laser thermal treatment. secondly, beginning with maxwell equation in electromagnetic field theory and combining with some electromagnetic phenomena in real life, this paper explains qualitatively the operating principle about eddy current technology and the test theory for multi - parameter test with multi - frequency by math illation and gives some applying occasions about it

    通過同其它幾種無損檢測技術的比較，給出了電渦流技術的優越性，闡述了國內外電渦流技術的發展現狀，展望了我國電渦流技術發展的未來，給出了汽缸內壁激光熱處理條紋厚度與寬度的檢測這個課題的背景；然後從電磁場理論中的麥克斯韋方程出發，通過一系列的數學嚴密推導，並結合現實生活中的一些電磁現象，定性地解釋了電渦流技術的原理，以及電渦流傳感器多頻率多參數的檢測原理，給出了電渦流技術的部分應用場合，以及電渦流檢測的等效電路。
  15. Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible

    其次，在電路中短路電流計算的基礎上， （ 1 ）進行母線的短路動穩定校驗計算：採用模擬退火演算法（ sa演算法）計算了矩形母線短路電動力的最大值及其取極值的條件，獲得了更為一般的結果，進而通過短路電動力的頻譜分析，給出了銅質母線的有關短路校驗計算數據； （ 2 ）進行母線的短路熱穩定校驗計算：討論了熱穩定校校的幾種常用計算方法，從導體或電器的發熱機理出發，運用人工神經網路理論對母線的熱穩定問題進行計算，通過算例比較，證明該方法用於熱穩定計算是可行的。
  16. According to the working condition of electronic element, a testing system established to test the temperature variety of the electronic element surface on several kinds of radiator which designed on different structure under different working condition. on the basic of the experimental results, integrated theoretical model established which include three part : heat simulation copper block, two - phase closed thermosyphon and heat sink

    根據電子器件的運行工況，建立了散熱器性能測試系統，並對所設計的不同型式的熱管型電子器件散熱器進行了在不同工況下的性能實驗，比較了在熱流密度、風速、風溫等實驗工況發生改變的情況下各型式的熱管型電子器件散熱器中電子器件表面溫度的變化規律。
  17. Based on sufficient investigation of relative field at home and abroad, combined with actual state of engineering, aimed at the characteristics of low temperature waste heat power generation, under adequate consideration of economical efficiency, the thermodynamic system models on the base of rankine - cycle, which mainly consisted of evaporator, ehd condenser and steam turbine - generator group with r11 as working fluid, were constructed after comparing the current low temperature waste heat power generation systems

    文中在對國內外相關領域進行了充分調研的基礎上，結合工程實際狀況，針對低溫余熱發電特點，充分考慮經濟性的前提下，對現行的低溫余熱發電系統進行比較，選擇了以具有低沸點的r11為工質，由蒸發器、 ehd冷凝器、汽輪機-發電機組等主要部件組成的有機朗肯循環熱力系統模型。
  18. Power boiler air preheater hot spots detection system is a indispensable installation which are applied in power plant largely. it fires easily for air preheater in practice application situation because of its characteristic

    電站鍋爐空氣預熱器是廣泛應用於火力發電廠的不可缺少的設備，但是由於其自身的工作特性所決定，空氣預熱器比較容易起火。
  19. Considering the unsymmetrical distribution of interface states induced by hot - carrier effects along the channel, the quasi - two - dimensional analysis methods are used to deduced the drain current, threshold voltage and electrical field in channel after hot - carrier degradation and the theoretical results are fully verified with the experimental data and m1ntmos6. 0 simulation output. the degradations of device output conductance, subthreshold conduction and rf characteristics are also analyzed

    針對mos器件熱載流子退化所引入的界面態，根據其沿溝道非均勻分佈的模型，採用準二維分析方法對退化后器件的漏源電流、閾值電壓和飽和區溝道電場作了詳細的理論推導，並與實驗結果和器件二維數值模擬軟體minimos6 . 0的計算結果進行了驗證比較。
  20. Contrast the results of numerical analysis and experimental study, fine agreement exists between the numerical prediction and experimental results which proved the rationality of theoretical model

    根據實驗結果分析，本文以結構簡單而且散熱效果好的d型熱管散熱器為研究重點，建立了比較完整的熱管型電子器件散熱器的理論模型。
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