電介質導體 的英文怎麼說
中文拼音 [diànjièzhídǎotǐ]
電介質導體
英文
electrolytic conductor-
Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity
本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb電阻率模型,並在總孔隙中考慮粘土結合水的體積,但不考慮粘土結合水與地層水導電性的差別,而將粘土結合水與地層水的導電性差別歸結到粘土顆粒導電中,建立了混合泥質砂巖有效介質通用hb電阻率模型。First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先,對液體介質的靜電霧化機理作了初步的探討,理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析,對于高電導率的液體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液體,需用浸潤電極荷電和感應荷電方法使其充分帶電;最後,根據前面的研究分析,設計和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗,並對試驗結果進行分析處理,總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等,得出高壓靜電場中液體霧化的一般規律。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。Fitting the experimental data into the general effective media ( gem ) equation, a theoretical percolation curve was gained. a mathematical model was proposed which is based on the gem equation and the dilution effect of filler volume fraction due to thermal volume expansion
使用有效介質普適方程( gem方程)對實驗數據進行擬合,得到導電復合材料的理論滲流曲線,根據gem方程和基體的體積膨脹,建立起一個數學模型。Based on all the research works mentioned above, a new technique to compute the caliber admittance matrix has been derived and applied for the problem of the scattering by electrically body with opening cavities
在計算實例中,不同形狀的的腔體以及內部含有介質層的腔體對電磁散射的貢獻得到了比較和分析。在上述研究的基礎上,本文首次提出了用有限元方法計算腔體內部口徑導納矩陣。Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities
將迭代物理光學( ipo )法推廣到非完純導體邊界目標的電磁散射特性分析中,建立了具有阻抗邊界的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。The electronic - ceramic capacitive - type sensor for coi is based on the nanometer and semiconductor theories. according to the mechanism of the gas surface absorbing actions and the mechanism of grain boundary effect of semiconductors, the capacitance of the sensor can be changed with the variation of co2 concentration
Co _ 2氣敏陶瓷電容型傳感器將納米理論和半導化理論引入了傳感器的研製過程中,這種傳感器通過氣體表面吸附,及在半導體介質的晶界層產生的晶界效應,使得不同濃度co _ 2氣體產生不同的電容值。We explained, for the first time, the detailed rules of electrostatic induction and polarization between electrostatic electrodes and different suspended objects ( conductor, semi - conductor, and dielectric )
首次正確解釋了靜電極與不同懸浮體(導體、半導體、電介質)之間的靜電感應和靜電極化規律。We researched fabrication at different asputtering and annealing atmosphere, the different process conduced different electrical properties. we can conclude a higher annealing temperature and higher proportion of o2 during reactive sputtering favors the improvement of electrical performances of hfo2 dielectrics ; 4. the analysis of i - v curves of these devices displays different leakage current mechanism under different area of applied bias - voltage ; as to silc. there are different leakage current mechanism at influence of sil. c ; 5
研究表明,在優化工藝條件下制備的hfo _ 2介質層中,襯底注入條件下由於其較低的體和界面缺陷密度,漏電流的輸運機制主要以schottky發射為主; silc效應導致hfoz / si界面缺陷態的增加,從而使得襯底注入條件下,柵泄漏電流機制不僅有schottky發射還有f一p發射機制起主要作用; 5 )初步研究了氮化的hfo : ( hroxny )柵介質的電學特徵。From physical principle, the electric property differences among oil, gas, and water are analyzed, and it is pointed that the electric properties of their mixture in oil wells are not only determined by their electric parameters, but also related to the mixture flow velocity, concentration and distribution state of each phase, and the measured electromagnetic field
其次,從物理機理出發,對油、氣與水的介電特性和導電特性差異進行分析,指出油井內混合流體的電性質不僅與各相流體的電性參數有關,而且與流體的流動速度、各相含量、分佈狀態以及測量電磁場有關。Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed
人們認為,超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而,隨著最近幾年來實用高溫超導材料的研製取得重大的進展,高溫超導電力技術的應用已經成為現實,預期將在2010年左右出現大規模的應用,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題An anomalies in the dielectric constants and loss tangent have been observed experimentally in the ferroelectromagnet near the antiferromagnetic transition temperature, indicative of a coupling between the ferroelectric and magnetic ordering, but the nature of the mechanism of magnetoelectric coupling and the form of interaction is still an important and debated issue
而另一類是鐵電磁體,它除了具有一般磁電體的性質外,還由於固有的本徵磁有序和鐵電有序的耦合使之存在自發的磁電效應。實驗上已經發現了由於自發的磁電耦合導致的介電異常和損失正切。The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation
摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢,指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。A research on concatenated image problems in the presence of a conductor and a dielectric
同時存在導體和電介質的邊界時電像法問題研究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。The most significant advantages of the electrostatic suspension are as follows : ( i ) it keeps the characteristic elegance of the conventional electric suspension methods mentioned above ; ( ii ) it is capable of realizing electrostatic levitation of conductors, semi - conductors and non - conductors, such as the liquid crystal display ( lcd ), the compact disk ( cd ), the silicon wafer and so on ; and ( iii ) it provi des the possibility of implementing non - contact conveying or manipulation of precision objects on the basis of suspension
利用該懸浮方法可以廣泛實現導體(如金屬片) 、半導體(如硅wafer ) 、常規絕緣體或電介質(如lcd片、 cd片、玻璃片、紙片)等懸浮,進而對其進行非接觸的無損操作。與常規電懸浮和磁懸浮相比,靜電懸浮的突出優點是不受懸浮體的磁性和導電性的制約,因而應用領域更加廣闊。Two cases are analyzedxonducting target with coat and dielectric target with coat. for the conducting target with coat, triangular patches are used to model the surfaces of the coat and the conducting object. now there have equivalent electric current and magnetic current on the surface of the coat, but only has equivalent electric current on the surface of the conducting object. the rwg vector base functions are used to denote equivalent electric currents and magnetic current. three integral equations should be built to obtain the unknown current coefficients ; for the dielectric object with coat, triangular patches are used to model the surfaces of the coat and the dielectric object. now there have equivalent electric current and magnetic current not only on the surface of the coat but also on the surface of the dielectric object. this time four integral equations should be built to obtain the unknown current coefficients
對于塗層導體目標,將塗層外表面和導體外表面進行三角形面元剖分,在塗層外表面有等效電磁流,導體外表面僅有等效電流(無等效磁流) 。將這些等效電磁流用rwg矢量基函數表示,需建立三個積分方程來求解未知的電磁流系數;對于塗層介質目標,將塗層外表面和內層介質外表面進行三角形面元剖分,在塗層外表面有等效電磁流,內層介質外表面也有等效電磁流,這時需建立四個積分方程來求解未知的電磁流系數。Test methods for thin thermally conductive solid materials for electrical insulation and dielectric applications
電絕緣和電介質用薄導熱固體材料的試驗方法Insulating liquids. determination of the dielectric dissipation factor by measurement of the conductance and capacitance. test method
絕緣液體.通過測量電導率和電容測定電介質的消散因子Tio _ 2 has been known as an n - type metal oxide semiconductor and an important inorganic function material. it can be used in fabricating medium material, photocatalytic films, reducing reflect coat, gas sensor, etc. tio _ 2 films had excellent performance with photocatalysis, resisting photo erode, difficult dissolution in acidity condition, innocuity and stabilization in light and soon on
Tio _ 2是n型金屬氧化物半導體,是一種重要的無機功能材料,可用於製作電介質材料、光催化薄膜、減反射塗層、氣敏傳感器等。 tio _ 2薄膜具有優異的光催化性能,抗光腐蝕,在酸性條件下難溶,對光穩定,無毒等。分享友人