電流密度分佈 的英文怎麼說
中文拼音 [diànliúmìdùfēnbù]
電流密度分佈
英文
current density destribution- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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The distributions of current density and potential on the negative plates with the radiational or expanded grid designs are more uniform than those on the positive plate
輻射式和拉網式負極板在化成開始時電流密度和電位的分佈都比正極板上分佈均勻得多。At the end of the formation, both current and potential distributions are uniform. however, their distributions on the negative plate with the expanded grid design are a little more uniform
化成結束時電流密度和電位分佈都比較均勻,且拉網式負極板比輻射式負極板更均勻。When formed for 8h, because most of paste on the negative plate has converted into lead, the polarization increases and the potential changes greatly, these distributions on the two kinds of negative plates become non - uniform again
當化成8h時,由於負極板上的鉛膏大部分轉化為鉛,極化上升,電位變化很大,所以兩種負極板上電流密度和電位分佈又變得不均勻。This paper researches on the practical current and potential distributions on the positive and negative plates of automotive batteries in the course of their formation processes by the means of an in situ electrochemical scan, and then studies the influences of the formation and also the additives on the performance of the automotive plates
本文利用電化學掃描方法研究鉛酸蓄電池正負極板在化成過程中電流密度和電位分佈及化成對極板電性能的影響。同時分析了正負極添加劑的性質及其對極板性能的影響。In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function
本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。Finite element method ( fem ) is used to quantificationally simulate the current density distribution of the whole cfrc sample, and to explain the mechanism and reason for precipitations " depositing in the crack tip
利用有限元定量地模擬了整個試件的電流密度分佈狀況,闡述了沉積物在裂紋尖端的沉積狀況及其原因。The electrical simulation compared the temperature and the current density distribution in copper lines with different width and barrier materials, the result indicating that the maximum temperature locates in the middle of the line and the 20 - degree obliquity is the most optimum one in the pore structure
在電學模擬過程中,對比了不同條寬和不同阻擋層材料下的互連線的溫度、電流密度分佈,以及不同通孔傾角下、不同阻擋層材料下的通孔的溫度、電流密度分佈。The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole
其研究重心是定量計算橢圓孔對電流密度以及板內應力分佈在橢圓長軸端點處的集中效應。The results show that high inlet velocity and porosity is favorable for fuel cell performance. based on above - mentioned 3 - d mathematical model, a comparison study of pemfc with conventional and interdigitated flow fields has been conducted at last
最後,基於前面建立的數學模型,比較和計算了傳統流道設計和交叉梳狀流道設計pem燃料電池的流場、電流密度和物料等的多維分佈。When it is discharged at high - rate, the distributions are also the most uniform at the end of the discharge. this indicates that the positive plate with the red lead has the better discharge performance than the other two kinds of positive plates
含紅丹的正極板在化成初期電流密度和電位的分佈最均勻,極化最小,在高倍率放電結束時,其電流密度和電位分佈也最均勻,表明含紅丹的正極板的放電性能比其它兩種正極板好。Research on the distribution of electric field in electrostatic precipitator
電除塵器板電流密度分佈的試驗研究Alcl3 + lialh4 system conforms to the relation of current efficiency and cur rent density of complex electrolysis lead to uniform distribution at cathode plate
Alcl _ 3 + lialh _ 4體系符合絡合物電解中電流效率與電流密度的關系,使鋁鍍層在陰極上的分佈趨于均勻。During the formation, the positive plates with red lead and bapbo3 additives are easier formed than that without additive, so the current and potential distributions on the plates with additives are more uniform than that without additives in the early stage of the formation. these distributions on the plate with red lead are the most uniform, and the polarization is the smallest
在正極板化成過程中,含紅丹和鉛酸鋇鉛膏的正極板比不含添加劑的正極板更容易化成,所以在化成初期含添加劑正極板的電流密度和電位分佈比不含添加劑正極板上的電流密度和電位分佈更均勻。The effect of attractive potential on the current distribution is different from that of repulsive one
發現雜質勢為吸引勢和排斥勢時對電流密度分佈的影響是不同的。The obtained results indicate that the concentrations of reactants in the catalyst layers in front of t he current collectors are very low, that reduce the utility of catalyst ; the current density at the edges of the channels is many times greater than the mean current density
計算了電池內反應物濃度的分佈、電流密度分佈、甲醇竄流以及電壓-電流特性曲線等。結果表明:集流板前的催化層內反應物濃度非常低;流道邊緣附近電流密度比平均電流密度大許多倍。The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field
具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫度分佈的影響;其次,從電極電壓入手,計算出激光器中的等勢線分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈,分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈,分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。The highest jc of 8. 64 105a / cm2 at 10k, 0t was obtained in the un - doped mgb2 / fe tape sintered at 800 for 15 minutes by sps. it is worthwhile to note that the jc value was decreased much slowly in this sample with the increase of the testing temperature and magnetic field. for example, the jc was 5. 97 105a / cm2 at 20k, 0t, and at 20k, 3t the jc value was
從目前試驗結果看,摻雜量為5mol %時線材性能較好,樣品的臨界電流密度在自場下達到6 105a / cm2 ,並且sic摻雜改進了樣品在高場下的jc值,在4t時,摻雜線材樣品的臨界電流密度大大超過未摻雜樣品,這是由於sic的摻入生成了細小均勻的mg2si ,分佈在晶粒The main work lists as following : 1 on the condition that cfrc is an macroscopically isotropic material, the governing equations of electric and thermal conduction for the inspection were established ; the current density and joule heat distribution around several kinds of flaws were investigated 2 by fem, the process of inspection was simulated ; the current density, joule heat and temperature distribution were also investigated, and the simulation results were contrasted with experimental data
主要工作為: 1 、將機敏混凝土合理假定為宏觀各向同性材料的基礎上,建立了檢測過程中的熱、電傳導相關的控制方程;並研究了幾種不同缺陷周圍檢測過程中的電流密度、焦耳熱分佈規律。 2 、通過有限元方法對機敏混凝土的電熱場進行了模擬分析,研究電流密度、焦耳熱分佈及試件表面溫度分佈變化規律並與實驗所得試件表面溫度場進行了對比分析研究。After the distribution of the current density is derived, an anti - plane shear problem is formulated whose solution is obtained in closed form
首先求出薄板內電流密度分佈,然後考慮一類簡化的計算模型,把應力求解確定為反平面剪切問題,進而推出應力在板內分佈的解析解。Based on some discussions on the mathematic model set up for the cathodic protection potential field, a two - dimensional boundary element method ( bem ) is developed, and by using which, a study on the shielding effect resulted from some typical inner structures such as the reinforcing elements and the partition walls with man holes on distribution of potential and current density in the cathodic protection is performed. the investigated parameters which affect the shielding effect in the calculating model include : the height and thickness of the reinforcing elements, the distance between the anode and the reinforcing elements, and the diameter of man hole on the partition walls, and so on
本文在討論了陰極保護電位場問題的數學模型的基礎上,以二維邊界元法對陰極保護問題中的電位及電流密度分佈進行了模擬計算,重點對船舶壓載艙中的典型結構如加強筋、人孔等在陰極保護中所產生的屏蔽效應進行了分析和研究,通過對不同高度、厚度的擋板及不同孔徑的帶孔板所產生的屏蔽效應進行模擬計算,首次得到了一些對實際工程設計具有重要參考意義的見解。分享友人