極性元件 的英文怎麼說
中文拼音 [jíxìngyuánjiàn]
極性元件
英文
polar component-
This article imtroduces adesign for a new style nonelastic element flexible c ouple r with good combinedcompensntion functions of axial, radial and anguladirection s. it s a mew idea designwith a simple and reasonable construction, lowpri ce and convenient maintenance. also it hasa super axial compensating ability compared with common couplers. the theory is that therotary force can be changed into lev eladvanced force. it has been proved that this couplerhas a good combined techn ique proprety and a higher rate between quality and price. itmust have cheerful prospects of application
設計了一種具有良好的軸向、徑向及角向綜合補償功能的新型無彈性元件撓性聯軸器.這種聯軸器構思新穎，結構簡單，容易加工製造，便於裝拆維修，具有一般聯軸器所不能實現的軸向超大補償能力.設計原理可引伸拓寬到將轉動動力轉變為直線推進動力的設計上.實踐證明，該聯軸器具有良好的綜合技術性能和較高的性能價格比，極具應用前景First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較，決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理，研製開發火焰監測系統，檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體，光電二極體在接受紅外輻射時，其產生光電流的大小與入射光能量成正比。The key parts of barretter are made of irf840 field - effect transistor, the magnetic ring and high frequency choking coil which adopting negative temperature index. such components can provide barretters a wide applicable voltage 160v - 250v. low power consumption, minor temperature rise, stable functions, long life - span
鎮流器核心元件採用irf840場效應三極體，磁環及高頻扼流圈採用負溫系數，這樣的元件選擇使整流器適用電壓范圍寬160v - 250v ，功耗低，溫升小，性能十分穩定，確保其擁有很長的壽命。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。The humidity sensitive characteristics of these sensors prepared by means of self - assembly have been investigated and the effects of electrode structures, concentration of humi - sensing solution, number of bilayers, materials of the outer layer and inner layer on humidity response were discussed
測試了不同體系濕敏膜的感濕特性，探討了電極結構、感濕液濃度、離子強度除閂電翻動復合膜層數、最外層材料、最內層材料等因素對濕敏元件響應特性的影響。In chapter 5, the principle of molten carbonate fuel cell power system is introduced. the development of the system, such as the improvement of cell components including electrodes and electrolyte, the fuel processing, the heat recovery, the power conditioning and grid interconnection, the control system and the combine generation
第五章在簡要敘述了熔融碳酸鹽燃料電池發電系統原理后，從以下幾個方面對系統的開發進行了論證:單體元件（電極和電解質）性能的提高，燃料的處理，余熱利用，電力調節和並網，燃料電池/燃氣輪機/汽輪機聯合發電以及系統控制與優化。Zno varistors have been widely used in electronic and electrical power devices and systems because of excellent nonlinear v - i characteristics and high absorbance of electric current surges. with the smt ( surface mounted technology ) development, traditional zno varistors can not meet the multilayer thin films lamination structure nappe varistor ceramics and metal electrode low temperature co - fire need. however, the best character of zno - v2o5 varistor can sinter in common furnace during lower temperature ( 900 ), not only settling the problem relate to upon, but also saving energy sources
Zno壓敏電阻因其優異的v ? i非線性和較高的浪涌吸收能力而廣泛應用在電子、電力設備系統上。然而，隨著表面貼裝技術（ smt ）的發展，傳統的zno壓敏陶瓷不能滿足多層膜獨石結構疊層壓敏電阻元件陶瓷與金屬電極低溫共燒的需要。而zno ? v2o5系壓敏陶瓷的最大優點是能用普通燒結爐在較低溫度（ 900 ）下燒結，不僅解決了以上問題，還大大節約了能源。Reasonable choice and usage radiator, improving whole machine displaying tremendously sign for superior
散器元件，是提高功率器件使用壽命，改善整機的裝置指標顯示出極大的優越性。3. for the engraving of titles types signs patterns etc. on electronic parts and equipment, which will last long
3可在電子元件上雕刻名稱型號標識圖案等，極具永久性。Linker molecules, the polymerization of 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole were designed and synthesized according to the requirement of the electropolymerization. the electropolymerization of 3 - pyrrole derivative with alkaline medium at platinum disk electrode have been studied by cyclic voltammetry and chronoamprometry. the polypyrrole membrane was characterized with scanning electro microscopy ( sem ), energy dispersive x - ray analysis ( edx )
本論文首先在循環伏安、恆電位法電聚合的基礎上篩選出了適合於作為固定dna的載體3 -吡咯甲基-四聚乙二醇單醚，探索了在堿性條件下將其聚合到鉑盤電極上的實驗方法和條件，並利用掃描電子顯微鏡（ sem ） 、 x -射線能量散射譜（ edx ）等實驗技術對聚合膜的表面形貌和元素組成進行了表徵。In addition, the system can be expanded to conduct the tasks of functional testing
元件開路及空焊的問題，及電容極性反向之問題Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years
哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。The effect of composition of coating solution, dipping time and other technical parameters for preparation of sensors on sensing behaviour has also been described and discussed
討論了溶液組成，浸漬時間等元件制備工藝參數對響應特性的影響。發現電極結構對于元件響應特性有一定影響。The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )
浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。Sensors with wider distance between electrode tracks exhibit improved stability in aging process
而增加電極中心線間距離可提高元件的耐老化性能。Finite element program of non - linear analysis to pile is made and together with results of building test pile and model test pile, therefore, the feature of load transferring and deformation mechanism were deeply analyzed
對工程試樁的靜載試驗結果進行分析，確定單樁極限承載力。室外模型樁試驗通過在樁身埋設測試元件，研究水泥土組合樁荷載傳遞規律以及變形特性。But the cost of the testing system limit the further intelligent development, and " a / d convert " is the key part of this system. in order to solve this conflict problem this paper gives a method - by adding a few components to at89c2051, and using it ' s internal converter we have designed a a / d module with the function of microprocessor
但是檢測系統的成本在一定程度上限制了傳感器向智能化方向發展，而檢測系統的關鍵部件就是「模數轉換裝置」 ，為了解決這一問題，本文利用具有極高性能價格比的at89c2051單片機本身帶有的內置比較器，通過外接少量元件，設計出了具有微處理器功能的a d模塊。It was found that introduction of hydrophobic monomer into polymer chain improved the response linearity and sensitivity, and the impedance of sensors decreased with longer quaternization time and shorter distance between electrode tracks
發現：疏水性單元的引入，提高了濕敏元件的響應線性度和靈敏度；季胺化時間的延長，使聚合物季胺化程度提高，濕敏元件阻抗減小；電極叉指間距增大，阻抗增大。In order to meet the strict requirements for optical communication components, axcen photonics corp not only has obtained the compliance certificate of csa and tuv but also pursue the system certificate of iso 9001 to reach the international manufacturing standard in the near future. furthermore, our company also set up the quality insurance division to monitor and audit the quality of product production
創威光電為維持光通訊元件品質的一致性及其可靠度要求，目前除已通過csa ， tuv及fda等安規認證外，目前亦積極從事于iso9001系統管理認證，以符合國際性製造標準流程，此外，本公司亦於公司內部成立品保部門，用以維持及監控整體製作水準。Surface - conductance model are introduced to illustrate the mechanism of the conductivity and the gas sensibility of semiconductor. we make clear the reason of the good selectivity of sno2 - based sensors is the selection of heating voltage and the pt - heater acting as catalyst
在解釋敏感機理的時候，我們引入了表面電導模型來解釋並且搞清楚了sno _ 2元件有較好選擇性的原因是加熱電壓的選擇以及基片上的鉑電極起了催化劑的作用。分享友人