離散電極 的英文怎麼說
中文拼音 [lísǎndiànjí]
離散電極
英文
dispersive electrode- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 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...
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
- 電極 : electrode; pole
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The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model
本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。When the flue gas and dust past through electrical fields, they caused impact with positive and negative ion and electron between electrical electrodes to charge electric. the charged particles move and are accumulated to difficult electrical electrode due to effect of electric field force. through rapping method, the dust leaves electric electrodes and drop into the collection hopper, and the remove the dust by transportation system
是一種煙氣凈化設備,它的工作原理是:煙氣中灰塵塵粒通過高壓靜電場時,與電極間的正負離子和電子發生碰撞而荷電或在離子擴散運動中荷電,帶上電子和離子的塵粒在電場力的作用下向異性電極運動並積附在異性電極上,通過振打等方式使電極上的灰塵落入收集灰斗中,使通過電除塵器的煙氣得到凈化,達到保護大氣,保護環境的目的。The effect in the vicinity of the exciting electrode and detecting electrode is greater than that of the center of the pipe
離散相介質的存在對激勵電極和測量電極附近區域靈敏場的影響比較大,對管道中心區域的影響則比較小。A building coating was made from latex, the powder and other stuffings. the coating could effectively induce negative air ion through the water molecular colliding the tourmaline particle surface in the coating
利用電氣石電極特性,電解水分子,以稀土氧化物為電氣石粉體的分散劑開發了高效產生空氣負離子材料及空氣負離子內墻塗料。After finished the cyclic voltammetry experiments, the results showed that iron steel grid can act as good current collector in the aqueous electrolyte. while the scan rate was fall in the range of 0. 5 - 4. 0mv / s, electrochemical reaction of the lithium insertion / extraction in the solid phase was kinetically limited by the diffusion of lithium ions. after 40 cycles in aqueous electrolyte the discharge capacities of sample of s13 reached 77mah / g, and showed good cycle performance
在水溶液中不銹鋼網可以作為電極的集流體,在0 . 5 - 4 . 0mv / s的掃描速度范圍內,鋰離子在尖晶石鋰錳氧化物的嵌入和脫嵌的電化學反應在動力學上是受鋰離子在固相中的擴散所控制,充放電實驗顯示樣品s13在水電解液中經過40個循環后達到77mah / g的放電容量,具有很好的循環穩定性。Based on the dc diffusion model, we build a duplex diffusion layer model which is composed of inner pulse diffusion layer and outer stable diffusion layer. in inner pulse diffusion layer, the concentration of ions fluctuates with frequency of pulse current ; in outer stable diffusion layer, the transport speed of ions is almost stable all the time, the main purpose is to transport the ions from the mass to the pulse diffusion layer
在直流電沉積的擴散理論基礎上,建立了脈沖電沉積的雙擴散層模型,靠近電極為脈沖擴散層,擴散層內金屬離子的濃度隨脈沖電流的頻率而波動;脈沖擴散層外麵包圍著一層穩態擴散層,其中離子的擴散速度在整個過程中基本是穩定的,作用是將主體溶液中的離子不斷向脈沖擴散層中補充。This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge
本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論,首先對重建區域假定一個介電率分佈,用電容網路作為離散化模型,將每一個源電極和探測電極對組成的測量電路看作一個四端網路,該四端網路的跨導與源電極和探測電極之間的電容值是線性關系,這個電容值和測量得到的電容值之間存在誤差,根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果,證實了該演算法是有效的,收斂的In the paper, li5mn4o83 + li5mn12o24 -, li5mn16o32 +, li17mn16o329 + clusters selected by " seed atoms " were calculated theoretically by means of the quantum chemical dv - xa calculation method. form the angle of electronic structure, the status of lithium ion and the electrochemical properties of lixmn2o4 were discussed preliminarily according to different conditions ( x = l, 2 ). based on calculation results, it ' s found that the jahn - teller distortion, which was thought to lead to poor cyclability, occurred during the discharge of lixmn204, and we also confirmed the formation of a novel phase with low energy after overdischarge ( x = 2 )
為了從微觀上認識錳系正極材料的結構和電化學性能之間的關系,本文提出了採用量子化學離散變分x (方法,對結合「種子原子法」選取的li5mn4o83 + 、 li5mn12o24 - 、 li5mn16o32 + 、 li17mn16o329 +等錳系正極材料的原子團簇進行了理論計算,從電子結構上初步探討了鋰離子嵌入正極材料后的存在形式以及鋰離子的嵌入對電極材料電化學性能的影響,同時還從結構上對鋰離子電池的循環性能和容量進行了初步的討論。A novel gpr antenna that is the dipole with discrete exponential resistive above the image plane is present in paper
本文將給出一種新型的探地雷達天線,該天線為置於鏡像面上且具有離散指數電阻加載的單偶極子。In present dissertation, the model of ert was established, the method to deduce the system equation using finite element method ( fem ) was discussed, and the process of calculating the voltage, resistance and sensitivity matrix through numerical computation was also introduces. because during the process of positive problem solution, errors are unavoidable, so the evaluation of the results were carried out through data and diagram, also the influence to the results caused by the change of parameters was analyzed
由於在正問題求解過程中,被測域的離散化、計算公式的離散化以及數值計算的近似處理等都將不可避免的引入誤差,因此論文中對計算結果進行了評價,分析了傳感器的參數(電極數,電極尺寸等)以及計算過程所用參數(如剖分精度)的改變對計算結果(電勢、電阻、敏感場)的影響。Next, basing on discrete electric potential, plots the distributing figure of the electic potential and electic field, and analyzes relationship between the operational characteristics of static induction transistor and the structure parameter and bias voltage
其次依據求得的離散電位值,繪制相應的電位分布圖形和電場分布圖形。最後通過對圖形的分析,解析有機靜電感應三極體的工作特性與器件結構參數和所加偏壓的關系。Especially, linbo _ 3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized
採用行波電極的m - z型外調制器調制速率高,波長的啁啾噪聲理論上為零,幾乎不受光纖色散的限制,已成為高速長距離光纖傳輸系統必不可少的器件。Especially, linbo3 optical modulators, using m - z waveguides and traveling - wave electrodes, are essential for high - speed and long - haul optical fiber transmission systems since the wavelength chirp is very small and the effect of the fiber dispersion is minimized
採用行波電極的m - z型外調制器調制速率高,波長的啁啾噪聲理論上為零,幾乎不受光纖色散的限制,已成為高速長距離光纖傳輸系統必不可少的器件。Non - uniform rational b - spline ( nurbs ) basic parameters of the electrode surfaces were extracted, and the electrode surface was adaptively scattered to a mesh in the compensation process of offset
在偏置補償過程中提取非均勻有理b樣條( nurbs )電極曲面的基本參數,對電極曲面進行網格離散。The analytic results of the effects on the micromorphological structure of the film by the electrochemical condition ' s showed that the carbon is apt to improve the boundary combination between the scfs and the surface of the cathode and the seperation of the films, and that the micromorphological structure of the mpgcfs is greatly affected by the dring and the power voltage, which remarkably affluence ion move in swelling cathode film, and that higher temperature and concentration of cu2 + in the medium solution are also advanagable to the deposition of cu in scfs. the plot of deformation behavior of mpgcfs showed that the maximum strench ratio decreases and the brittleness increases due to the existence of the metal phase, and that the strengh trend of the composite films is fistly up and down followed with the content of metal phase because of the change of the role of the metal phase from acting as the physical cross - linking to weakening the films due to destroying the whole structure of the polymer
另外它作為基體的另一個突出的優點是制備的溶脹復合膜( scf )中的溶劑與電解液中的溶劑相同都是水,克服了以前膜內外不同溶劑之間擴散的問題,結果使得電流最終趨於一種穩態,因此可以更好實現用電化學條件來控制mpgcf的形態結構;硬質石墨材料的多孔的結構和石墨本身的結構性能特點使得碳作為陰極材料時有利於溶漲復合膜( scf )與電極表面的結合以及膜的剝離,因此是作為陰極的理想材料;電化學條件中的乾燥程度和電壓能夠明顯的影響離子在膜內的遷移,從而對mpgcf的形態結構造成較大的影響;而提高反應溫度和增大電解液中銅離子的濃度也有利於銅在膜中的沉積生長。Besides, when the field with thin electrode is solved by the use of conventional csm, the discrete charges are required putting inside the electrode, but it is impossible for the electrode with thinnest thickness
傳統csm在處理薄電極問題時,要求離散電荷布置在電極內部,而這對于厚度極薄的電極來說是不可能的。Based on the simplified principle, the modal shapes of selected structural modes are converted into modal strains. to minimize the calculation error, curve - fitting technique is used in the process. the modal strains are summed together to determine the global distribution of the structure for selected vibration modes so that the position of piezoelectric elements could be optimally determined according to the simplified optimization principle
通過二階中心差分運算將模態振型轉化為模態應變,採用應變曲線擬合方法降低離散誤差,進而將各階待控模態應變進行疊加,獲取系統整體特徵應變分佈情況;最後根據壓電元件位置優化的簡化目標函數,將壓電片的最優位置確定為柔性板疊加模態應變的極值區域。Some new materials was summarized and diffusion performance of the lithium ion, particle distribution, grain size, and specific surface area, etc, were analyzed
討論了最新的材料研究進展,分析了鋰離子在活性材料中的擴散性能、電極材料粒度分佈及粒徑大小、比表面積等因素對鋰離子電池大電流放電性能的影響。According to the electrode orbiting patterns, the scattered meshes were non - uniformly offset
根據電極不同的搖動方式,非均勻偏置離散網格。分享友人