結電致發生 的英文怎麼說
中文拼音 [jiēdiànzhìfāshēng]
結電致發生
英文
p-n junction electroluminescencep_n-
The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point
前者為la ~ ( 3 + )和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化,且由於正負載流子的迭加效應所致,該介電峰與mn離子的摻入相關;後者為體系出現相應的正交與立方結構的轉變所致,也即居里點。Abstract : this paper, by analyzing the effect of differences of mineral structure of 2 1 layer minerals, the properties of their interlayer charge and changes of some properties caused by weathering on the attractive force for interlayer cation, reached the conclusion that : the fixation capacity is determined by the ratio of the total amount of interlayer charge and that of tetrahedral charges. the relationship of interlayer cation fixation and octahedral structure of secondary minerals is probably different from that of primary minerals. the oxidation and reduction of variable valence cations can greatly influence the cation fixation capacity
文摘:分析2 1型礦物的結構差異、層間電荷性質以及在風化過程中某些性質的變化對層間陽離子吸引力的影響,對已有報道中一些矛盾的結果或不具普遍意義的結論進行了討論.得出幾個較為明確的結論:層間總電荷與四面體電荷所佔比例大小共同決定礦物對層間陽離子的固定能力;原生礦物中八面體結構與層間陽離子固定間的關系對次生礦物而言,也許並不一致;八面體中可變價陽離子的氧化還原,可導致礦物固定陽離子能力發生較大變化This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed
本文主要做了以下工作: ( 1 )闡述了設備診斷技術的發展過程及發展趨勢,提出了應結合實際對機電設備進行系統診斷的新的技術思路,用實踐證明了應當拓寬設備診斷技術應用的范圍,使設備診斷技術既可以在設備管理和設備維修中得到應用,也可以用於新產品的設計改進及開發等; ( 2 )探討了振動的類型及振動信號的處理方法,設備狀態識別常用的方法,監測與診斷系統的基本構成與發展趨勢; ( 3 )介紹了國內外破碎機的發展趨勢,以及雙轉盤沖擊破碎機這一新產品的結構和特點,並根據試機過程中出現的故障,建立了故障樹,並導出了導致故障發生的各種基礎事件; ( 4 )研究了臨界轉速的計算方法和原理,用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved
導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率,從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 )制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ,空穴阻擋材料balq3的摻入顯著影響了oled的光電性能,當balq3的摻雜濃度為25mol %時, oled的發光效率為1 . 0lm / w ,發光光譜的峰值為440nm ,色純度為( 0 . 18 , 0 . 15 ) ,未封裝器件的半衰期達到了950小時; 4 )在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時,不僅改善了器件的發光亮度和色純度,而且提高了器件的發光效率和壽命。The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied
提出了中子輻照下sicpn結電特性退化的新的理論, pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強,從而導致pn結正偏和反偏時的復合電流和產生電流的改變。We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped
結論是:當脈沖長度接近等離子體波長時,稀薄等離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相速度變小,以至於被尾流場「捕獲」的電子最大動能大大下降。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。By film thickness measured, fourier transformed infrared spectrometer ( ftir ) analysis, x - ray photoelectron spectroscopy ( xps ) analysis and relative irradiance measurement, the effect of microwave input powers on deposition rates, f / c ratios, bonding configurations of ct - c : f films and the radicals in plasma originating from source gases dissociation is analyzed
由於微波功率的改變會導致等離子體中電子溫度和等離子體密度發生變化,從而造成不同的源氣體分解過程,結果微波功率的升高導致了薄膜沉積速率的提高、 f / c比的降低,同時也導致薄膜中cf和cf _ 3基團密度的降低,而保持cf _ 2基團密度接近常數。Benefit from the rapid growth of domestic power line communications network, we are committing to manufacture, sales and research of cable anchoring and control hardware and systems for opgw and adss optical fiber. in order to satisfy the growing demand from domestic and overseas customers, we succeed in designing patented series products of anchoring system for both optical fiber and communication power line by absorbing international advanced technology and procedure
公司著眼于電力行業的高速發展,長期致力於opgw和adss特種光纜及電力線纜的預絞絲配套安裝金具產品的開發生產和銷售,並結合國內外用戶的實際需求,引進和吸收國內外先進的技術工藝,成功研發出自主知識產權的全系列光纜配套金具和電力線路用螺旋預絞絲導線金具。Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike
由於行波管的大功率和高頻率等特性,目前還沒有任何其他的器件可以代替。行波管是應用高頻電磁場與電子注進行互作用的機理進行工作的,而電子槍是行波管中產生電子注並使它成型的基本部件,電子槍的結構設計決定了槍體自身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行波管的失效。因此對行波管電子槍的研究具有非常重要的意義。The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms. the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser, which is for the first time put forward by us
其中,靶法線方向的超熱電子發射峰與共振吸收( res ~ eabso甲tion )機制所預言的一致;根據理論估算提出激光反射方向的超熱電子發射峰是幾種加速機制共同作用的結果;我們首次提出背反射激光加速超熱電子的新機制,並用此機制解釋了激光背反射方向產生的超熱電子發射峰。Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system
文摘:研製了一臺高凸極比的兩極ala轉子磁阻同步電動機,實驗研究了電機的開環運行特性,研究結果表明電機開環運行時存在一個比較嚴重的低頻振蕩,這個振蕩發生在電機電源頻率略大於電機的自然頻率后的某一頻段,且會導致電機失去同步There are two main factors resulting in fading capacity and poor cyclability, one is the john - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries. during the research of suppressing jahn - teller distortion, low valence cation ( al 、 mg ) and anion ( f ) doped method are usually adopted
針對limn2o4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題,分別採用al 、 mg陽離子摻雜和al / f 、 mg / f陰陽離子復合摻雜兩種措施,對尖晶石結構limn2o4正極材料進行了改性研究。The significant capacity loss of the spinel limn2o4 during cycling hereby prevents its wider use as cathode materials for lithium secondary batteries. there are two main factors resulting in fading capacity and poor cyclability, one is the jahn - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries
針對limn _ 2o _ 4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題,分別採用陰陽離子復合摻雜和尖晶石晶粒表面包裹兩種措施,對尖晶石結構limn _ 2o _ 4正極材料進行了改性研究。P - n junction electroluminescencep n
結電致發生In the paper, we put forward the combination of micro electronic technology, mems technology and vacuum micro electronic technology to develop a micro electronic pressure sensor with overload protection. the pressure sensor consists. of elastic anode membrane, isolation layer, vacuum micro cavity and field emission catelectrode tip array with overload protection. such pressure sensor has many advantages, such as high temperature stability, radiation resistance, fast response, high sensitivity, small volume, simple secondary instruments and bulk production
本文在重慶市科技「十五」項目的資助下,提出利用微電子技術、 mems技術和真空電子技術相結合的方法,研究一種帶過保護功能的真空微電子壓力傳感器,該壓力傳感器由帶過保護的場致發射陰極錐尖陣列、彈性陽極膜、絕緣層、真空微腔所構成,具有溫度穩定性好、抗輻射、快響應、高靈敏、體積小、二次儀表簡單、可批量生產等優點,具有廣泛的應用市場。It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution
發現在模擬生理條件下, mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離,使部分雙聚的mp - 11分子變成單體分子, mp - 11分子二級結構中-螺旋和-轉角結構的含量增加,無規捲曲結構含量降低,導致了mp - 11分子中血紅素的暴露程度變大,因此mp - 11電化學反應的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增加。Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively
其次,由於一直以來藍光oled器件的研究處于相對落後的狀態,其發光亮度、效率、穩定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的擴散被限定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光譜發生了從綠光到藍光的移動。Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints
基於上述的接觸理論和接觸分析結果,本文在最後一部分中分別利用動力時程法和反應譜法對百色水電站尾水渠的巖質邊坡進行動力響應分析,兩者計算方法得出比較一致的結果,同時採用動力摩擦接觸理論重點分析了斷層對于邊坡的穩定影響,認為斷層的存在會使得巖坡的穩定性降低,在地震等動力荷載的作用下對于斷層將發生張開、閉合和錯動現象,尤其是動力荷載和其他荷載如滲流力等的耦合作用將會對斷層產生極為不利的後果,進而影響巖坡的整體動力穩定,應該要引起足夠的重視。And the resistance of wire extension will change, it will influence the current ’ s output and the welding current will change
此時,干伸長的電阻相應的發生變化,這將影響焊接電流的輸出,其結果導致焊接電流的變化。分享友人