電位電極數 的英文怎麼說
中文拼音 [diànwèidiànjíshǔ]
電位電極數
英文
normal device-
The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l
快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer
本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。According to the i - t curves of potential step, it was revealed that electrocrystallization of ni - w - b alloy on glassy carbon followed the mechanism of instantaneous nucleation and three dimensional growth with diffusion controlled. the crystal nucleus number on the surface of electrode raised by the increase of over potential
根據電位階躍的i t曲線分析得知，在玻摘要碳電極上ni wb合金電結晶過程遵從擴散控制瞬時成核三維成長模式進行，且隨著過電位的增加，電極表面上晶核數增多。When human serum albumin was adsorbed on the surface of au electrode or c12sh modified au electrode, different conformations were resulted and the processes of binding vepesid were also different. the corresponding kinetic parameters were obtained by fitting the response curves. the values of heterogeneous standard charge transfer rate constant for fe ( cn ) 637 fe ( cn ) 64 were obtained from the cyclic voltanimograms and the electrochemical impedance spectroscopy, and the electric double layer capacitance was calculated from the impedance semicircle
當在金電極及修飾了十二烷基硫醇的金電極表面吸附時， hsa以不同結合部位結合導致其吸附后的空間構象存在差異，在隨后的與足葉乙甙給合過程中表現出了不同的結合行為，並擬合了相應的動力學參數。Products : rectifers, high silicon cast iron anodes, mmo anodes ( rod, tubularribbon ), titanium conductor bar, sacrificial anodes ( aluminum, magnesiumzinc ）, magnesiumzinc ribbon anodes, zinc grounding cell, reference electrodes, test postjunction boxes, thermite ( corrtech exothermic weld metal ) mold, cathodic protection system utilizing solar energy, cp data remote monitoring system, and other accessories
我們的產品：恆電位儀、高硅鑄鐵陽極、鈦基混合金屬氧化物陽極（帶狀、棒狀、管狀） 、鈦導電片、鋅合金陽極、鎂合金陽極、鋁合金陽極、鋅帶鎂帶、長效硫酸銅參比電極、高純鋅參比電極、鋅接地電池、陰極保護測試樁、鋁熱焊模具和焊劑、太陽能陰極保護系統、陰極保護參數遠程監測控制系統等全系列陰極保護系統配套產品。Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel
由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下：在人工氣候室內，根據不同覆冰絕緣子正、負極性下的閃絡試驗結果，得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓；正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應；覆冰較少時，合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法，對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明，直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低，且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。( 2 ) we design a model based on compound electrodes, imaged the different object in diameter, conductance by means of back - project algorithm to imaging the physics model and getting actual poison, clear profile
（ 2 ）設計復合電極結構的物理模型，採用反投影演算法，實現對不同直徑、不同電導率、不同個數的物理模型動態成像，成像結果位置準確，輪廓清晰。The mathematic model of capacitance level sensor with probe attachment
帶有電極掛料的電容式物位傳感器的數學模型分析Remember the following words and expressions : e. g. multimeter ； circuit ， current ； voltage ； resistance ； digital multimeter ； analogue multimeter ； analogue multimeter scales ； zero adjustment control ； zero adjustment control for resistance ranges ； measurement ranges switch ； transistor test socket ； meter probe ； positive terminal ； negative terminal ； anode ； cathode ； red lead ； black lead ； power supply ； connect in parallel ； connect in series
記住萬用表、電路、電流、電壓、電阻、數字萬用表、模擬萬用表、表頭、機械零位調整器、歐姆零位調整器、量程選擇開關、晶體管插孔、表棒、正接線端、負接線端、陽極、陰極、紅導線、黑導線、電源、並聯、串聯等常用英文單詞，並逐步掌握。Dr is made of microwave ceramic with high dielectric constant and very low loss. using dr, the phase noise of an oscillator could be made to be extremely low
介質諧振器（ dr ）由高介電常數、低損耗的微波陶瓷材料製作而成，它能極其容易地實現微波頻率源的低相位噪聲。This paper has described the principle of the contact polarization curve method and the technique for measuring basic parameters, analyzed the influence of such factors as oxidation conditions of the ore deposits, arrangement of electrodes and structures of orebodies on the basis of studying some typical polarization curves, inferred several parameters such as independency of orebodies, reacted minerals, effective areas of reacted minerals, reserves of elements and grades of elements for some measured typical curves, and compared the inferences with the exploration results
摘要介紹了接觸極化曲線法的原理及基本參數的測取方法；通過一些典型極化曲線，對礦床氧化狀態、電極排布、礦體結構等因素的影響作了分析；對所測得的部分典型曲線進行了礦體獨立性、反應礦物、反應礦物有效面積、元素儲量、元素品位等參數的推斷，並將推斷與勘探結果進行了對比分析。Abstract : it introduces the principle of graphite electrode abrading tool and develops the software and hardware of nc machine. this can detect the position of platform feed with great inertial - mass through photoelectrical encoder, the vibration magnitude of translation worktable with eddy transducer. based on these the machine parameters can be automatically regulate, and the grinding process is smooth
文摘:介紹了石墨電極研磨成形機的原理和數控軟、硬體系統的研製開發；用光電編碼器實現了大質量進給滑臺的位置檢測；並用電渦流傳感器檢測平動臺振動量，進而實現了機器參數的自動調整，從而保證了石墨電極研磨成形機研磨加工的順利進行。Because very similar to chi shu rotors very few, the teeth harmonics moment for the second harmonics moment, and two stator mistaken 90e of mutual perspective, the two stator teeth resolved moment worth equal to 13, 800 conversely, synthetic zero
3 .由於爪極數等於轉子極數，故諧波力矩為2次諧波力矩，而2個定子相互錯位90電角度，所以2個定子的諧波力矩幅值相等，相位相反，合成為零。Based on the digital simulation and model analysis, the anomaly characterization of apparent resistivity section obtained by the sounding at different positions, and the relationship between electrode space and exploration depth were summarized
根據理論模型的數值模擬結果，總結了地質異常體在不同觀測方位巷道電測深視電阻率斷面圖上的異常特徵及電極距與探測距離間的關系。At first, a two - dimensional across - the - channel mathematical model for simulation of a direct methanol fuel cell is described. the model accounts simultaneously for electrochemical kinetics, hydrodynamics, and multicomponent transport, and fully accounts for the mixed potential effects of methanol oxidation at the cathode as a result of methanol crossover caused by convection, diffusion and electro - osmosis
首先描述了一個用於模擬直接甲醇燃料電池特性的垂直於流道的二維數學模型，模型考慮了多組分傳遞、水動力學和電化學動力學，並且考慮了甲醇竄流在電池陰極產生的混合電位的影響。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。Bar code, pos, edi and gps systems dramatically improve the efficiency and accuracy of the logistics activities
條形碼、銷售時點系統、電子數據傳輸系統、全球衛星定位系統的使用，極大地提高了物流活動的效率和精確程度。The tffa model calculation has been carried out to investigate the effects of structural parameters of the afc cathode and pemfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density and the curve of cathode potential versus current density
本文運用tffa模型分別考察了afc陰極過電位?電流密度的曲線和pemfc陰極伏安曲線受陰極結構參數變化的影響程度。Tow types of fuel - cell models can be distinguished : microscopic and macroscopic. this paper adopt agglomerate microscopic model to analyze the fuel cell ' s performance. according to the computation, it can be concluded that the performances are determined by the thickness of the electrode, the effective ionic conductivity, the radius of agglomerate and other parameters
對燃料電池單體，建立了微觀的數學模型? ?聚塊模型，用nenmanbandj方法計算熔融碳酸鹽燃料電池陽極和陰極的過電位，分析了各種參數的影響，對電極的制備，提高單電池的性能，有一定的指導意義。分享友人