電介質場強 的英文怎麼說
中文拼音 [diànjièzhíchǎngqiáng]
電介質場強
英文
dielectric field intensity-
This paper discusses the most suitable design of the homocentric ball capacitor on the condition that the maximum pressure endurance is limited and the puncture field is strong
摘要討論了在限定最大耐壓值及介質的擊穿場強的情況下，同心球形電容器的最佳尺寸設計。In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect
在雙光子共振情況下，即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半，由於介質中放大的自發輻射和四波混頻的作用，部分入射脈沖能量轉化為高頻和低頻電場成分的能量，分子介質表現出了很強的光功率限幅特性。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。A study on heat exchange cycles of endo - reversible variable temperature in engines
介質阻擋放電擊穿場強影響因素的研究3. the solution for the distribution of potential internal the dielectric ellipsoid has been obtained by means of ellipsoidal coordinates, and has obtainted the expression of the polarization field strength in the dielectric ellipsoid, calculated the included angle value of polarization vector and the external field vector, making programe to compute to get the relation shetch between the included angle value of polarization vector and the external field vector and we have discussed the result and hold that the direction of polarization field strength with that of the external field don ’ t always strict antiparallel
二、討論了帶電粒子在均勻電磁場中的相對論運動規律。三、討論了在均勻電場中電介質橢球體的極化規律。證明了電介質橢球內的極化場強方向與外電場方向並非嚴格相反，只有當外電場與電介質橢球的某一主軸平行或者當橢球體三半軸的大小都相等時，極化場強方向與外電場方向才嚴格相反。The electric field distributions of cleanness and covered with snow, the electric field variety of covered with ice, and the break down electric strength of covered with snow and ice were analyzed. the affect of the angle of medium loss for insulation performance was analyzed
對冠雪絕緣子與清潔（無雪）絕緣子的電場分佈作了比較；分析了覆冰后電場分佈的變化；對覆冰、冠雪時的擊穿場強進行了分析；還分析了介質損失角正切對絕緣性能的影響等。Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m
在低溫下， srtio _ 3 （簡寫為sto ）薄膜具有強烈的非線性介電性質，即:介電常數隨外加直流電場變化而變化; yba2cu3o7 - x （簡寫為ybco ）具有極低的微波表面電阻， rs （ 10ghz ， 77k ） < 1m ，而且它們的晶體結構相似，晶格常數匹配以及化學性質相容。The dielectric constant of srtio3 ( sto ) thin films is voltage - dependent near the curie temperature tc ( about 40k ). and no dispersion in is observed in sto at frequencies up to 10 ghz. yba2cu3o7 - x ( ybco ) high temperature superconducting thin film has very low microwave surface resistance
Srtio3 （ sto ）薄膜在其居里溫度附近（ ~ 40k ）具有介電常數隨電場強度變化而變化的性質，同時sto在10ghz以下介電常數沒有頻率色散性。Introducing several osl fabrication methods, mainly electric field poling method is investigated, and discussing the limit relation among poling electric field e, poling current i and natural poling intensity ps, and analyze the various factor affecting the osls quality. 4. the experiment of aperiodical litaos multi - wavelength shg is demonstrated
3 、介紹了幾種介質制備的方法，著重對高壓電場極化法進行了理論研究，討論了脈沖電壓，電流及自然極化強度p _ s之間的制約關系，分析了影響成疇質量的幾個物理因素。Plasma nitriding is an application way to metal surface and heating treatment based on the formed plasma by glow discharge. nitriding is a way of heating treatment, namely, metal accessory is put into activate nitrogen and the gas of low light pressure is ionized into energy electrons, high energy ions and high energy neutral atoms by the action of the electric field under a definite temperature and the time of the heat preservation
等離子滲氮是利用輝光放電形成等離子體在金屬表面，熱處理方面的應用，滲氮是強化金屬表面的一種熱處理方法，是將金屬零件置於活性氮的介質中，在一定溫度和保溫時間下，低光壓氣體在電場作用下使之電離產生能電子、高能離子和高能中性原子。In the single - photon resonance case, for large area input pulses, the spectral components oscillating around 32 appears in the spectrum due to the strong secondary excitation making the two - level model invalidity and the multi - level model should be used to describe this molecule
在單光子共振情況下，即入射脈沖頻率等於1 、 2能級之間的共振頻率，對大面積入射脈沖，由於強的二次激發的作用，電場頻譜中出現了在32附近振蕩的頻率成分， 32是2 、 3能級之間的共振頻率，說明對大面積入射脈沖二能級模型已經失效，需要採用多能級模型來描述分子介質。Electrorheological fluids ( erf ) consists of a suspension of high dielectric particles in a liquid of low dielectric constant. with the action of the applied electric field, particles interact with each other. the viscosity of erf increases dramatically and the erf turns into solid
電流變液是由高介電常數、低電導率的電介質顆粒分散於低介電常數的絕緣液體中形成的懸浮體系，具有通過調節電場強度改變表觀粘度和屈服應力的機電耦合特性。After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors
本文主要研究聚對苯乙炔（ ppv ）薄膜發光二極體發光效率及主要影響因素，簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后，提出了一個計算器件發光效率理論模型，利用這個理論模型得出了發光效率公式的表達式：並對注入電流、復合效率等進行了數值計算，通過合理地選擇計算參數，發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合，在此基礎上，對發光效率進行了數值計算和理論分析，結果表明：計算結果與理論研究結果相符較好，得出結論如下： （ 1 ）本文的理論推導正確地反映了器件中載流子的注入、傳輸和復合等基本機制； （ 2 ） ppv薄膜中的電致發光是激子復合的結果，發光效率受多種因素影響。Vibration - resisting electricity contact pressure meter is used for occasion by environment quake vibration excle in pulsaling lash by medium - resistant and suddenly unload ; usually it is make use of form a complete set by relevant eletric device ( such as relay and contact appliance and so on ). so realized attain auto - control post a letter ( give an alarm ) for pressure system by survey. compare with ordinary for a special model electricity contact pressure meter, zhe indicator ' s function by survey pressure more stabilize, more accurate, and powerful of resist eletric arc, and it is use for even more long life
耐振電接點壓力表，適用於環境劇烈振動場合，可耐介質的高強脈動沖擊及突然卸荷；通常該儀表經與相應的電氣器件（如繼電器及接觸器等）配套使用，即可對被測（控）壓力系統實現自動控制發信（報警）的目的，與普通專用型電接點壓力表相比，指針測壓性能更穩、準，且抗電弧強大，使用壽命更長。Quantum coherence and interference have led to the observation of many new effects and new techniques in quantum optics and atomic physics. examples include coherent population trapping, electrom agnetically induced transparency, lasing without inversion, and enhancement of the index of refraction without absorption
當應用相干場來驅動光學介質時，可以使得介質的吸收和色散關系發生極大改變，產生許多新的效應，如相干布居捕獲、電磁誘導透明、無反轉激光、無吸收折射率增強等。With these three calculated parameters, the attenuation factor value of the radio wave propagation in the earth ' s crust is calculated by the ways of plane wave method and communication formula method, and the value of the leakage on the ground is also calculated by the inhomogeneous medium ' s field analysis method
據此三種參數，利用平面波法和通信公式法計算出電波在地殼中傳播的衰減因子值，以及利用非均勻介質的場分析法計算出地面場強泄露衰減因子值。It introduce the basic circumstances of beijing dynamic power co ; ltd. and analyze the swift mains trade of communications, according to the analysis of the major competitor, the growth of the market, the changing of customer, market shares, the author summarizes the conclusion that dynamic power is more competitive in the following aspects : quality of products, degree of customers " acceptance ; lower costs of products ; sufficient client resources, wide - spread and ripe net of sales and services ; powerful development ability and production ability, there also exits factors that threaten dynamic power. for example. unsteady relations with clients, the limits to the bottom of the price, and the competition between various brands
本文以真實案例為背景，介紹了北京動力源科技股份有限公司的基本情況，分析了其主打產品? ?通信開關電源的行業結構，通過對動力源公司的競爭對手情況、市場增長情況、客戶變化情況、市場份額等問題進行逐一分析，總結出了動力源公司在行業中作為市場挑戰者的競爭地位及自身的五項競爭優勢：小容量系統產品質量好、客戶認可度高；產品的成本低；在中國聯通方面擁有一定的客戶資源優勢；已擁有覆蓋面廣泛且成熟的銷售服務網路；產品開發能力強、模塊生產能力大。分享友人