電位極限 的英文怎麼說

中文拼音 [diànwèijíxiàn]
電位極限 英文
potential boundary
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Lower pole limit yi switch position exorbitance, lower pole limit yi switch position has got to under photoelectric blade above down hand in will place

    下極限之開關位置過高，下極限之開關位置必須低於光電刀片之上下交會處。
  2. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  3. The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density

    在傳統流道設計的pemfc中，反應物從流道到催化層的供應和生成物從催化層到流道的排出主要是以擴散為主，而在交叉梳狀流道設計中，以流動帶動的對流傳遞則占據了主導地位，而且這種以對流為主的傳遞機理大大提高了反應物和產物傳遞速率，從而有效地改善了電池的極限電流密度和極化性能等特性。
  4. The contribution to the giant resonances from the currents of vector mesons are also examined, it shows that currents of vector mesons play an important role in collective giant resonances. by studying the properties of collective multipole excitations of nuclei, a general conclusion is that those effective lagrangians recently developed can well describe not only the nuclear ground state properties of finite nuclei, stable and unstable ones up to the nuclei drip lines, but also the collective excited states and giant resoancnes in doubly closed shell nuclei

    通過對核的電多極巨共振性質的研究，我們發現現有的這些非線性的有效相互作用不但能夠很好地描述有限核的基態性質，包括球形和變形核以及遠離穩定線核，而且對一些雙滿殼核的集體激發態和巨共振性質也能進行合理地解釋，包括巨共振峰的位置和中心能量。
  5. With the rising demand ever, the orbital resource and frequency spectrum resource for gso communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction

    隨著通信需求的增長，人們採用極化復用、空間復用和縮小軌位間距等手段，對靜止衛星軌位和無線電頻譜資源作了接近極限的開發利用。
  6. We have made three - dimension electric conduct grid by hand and we have successfully used it as anode grid in lead - acid battery. this kind of three - dimension electric conduct grid can improve the utilization of pam by 7 - 9 % in different discharge current density and can reduce the plate electrochemical impedance to one tenth of the normal plate. also this kind of grid can improve the marginal reaction current density in a certain degree

    我們通過手工製作了三維導電體板柵，並成功的應用於電池的正極作為正極的板柵，這種三維導電體板柵能夠在各種不同的放電電流密度下提高正極活性物質利用率7 9 ，能夠使電池正極板的電化學阻抗降低到普通板柵的1 10左右，使正極板的極哈爾濱j _程大學碩十學位論文限反應電流密度略有所提高，但是這種板柵的耐腐蝕性能很不理想，使得所製作電池的壽命很短。
  7. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  8. Solid astra luoyang fire of anti - corrosion materials engineering limited, founded in 1993, is the collection of china ' s famous anti - corrosion materials research and production and fire at the scene for the construction of an integrated enterprise, in addition to fire anti - corrosion coating production, but also professional cathodic protection system for the production of various sacrificial anode and supporting materials, products including magnesium - based, zinc - based, aluminum sacrificial anodes, with magnesium, magnesium rod, with zinc, titanium / mixed metal oxide anode zone, a titanium, astm265, high silicon anode cast iron, steel or cement testing poles, various reference electrode welding mode and flux, mandatory current cathodic protection act by magnetic saturation potentiostatic yee

    洛陽固雅特種防腐防火材料工程有限公司成立於1993年，是國內著名的集防腐防火材料科研生產和現場施工為一體的綜合性企業，除生產防腐防火塗料外，還專業生產陰極保護系統所需的各種犧牲陽極和輔助材料，產品包括鎂基、鋅基、鋁基犧牲陽極、鎂帶、鎂棒、鋅帶、鈦/混合金屬氧化物陽極帶、一級鈦、 astm265 ，高硅鑄鐵陽極、鋼制或水泥測試樁，各類參比電極、焊模和焊劑，強制電流法陰極保護用磁飽和恆電位儀等。
  9. 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。
  10. In the aspects of choice that make the price method, because of canning compare the company analysis method with can compare the bargain analysis method must have the prosperous capital market, more case example, lack domestic current the bargain of the state - owned property to say, very much the enough case example props up. and buy the market multiple analysis method analyze first public of and buy the market bargain multiple, and usually is trading the scale to ascend to take into the restrict with the industry category, for example, can be provided as analytic bargain a bargain for being limited by this front in six months, target company in the electric power profession, the scale limit in 50, 000, 000 dollars including, this kind of method and ca n ' t provide the help of high times. but the dividends usuallies convert into cash to analyze the method to get the analysis of the bonus from the target company to the value that get the target company. the above method exsits current state - owned property make price very much the localization of the different degree, the past a text tries to use value analysis method as to lends support to the method, the cash discharge converts into cash to analyze method ( the method of dcf ) as the main method, the certain state - owned property procures the price. among them, use the cash discharge converts into cash to analyze the method makes sure the income is after procuring, value analysis the method gets of result the conduct and actions manages with state - owned property the section to make the basis of the price for the state - owned property, two kinds of methods is mutually combinative, make sure the state - owned property procure the price

    以上方法對于目前國有資產的作價都存在不同程度的局限，故本文嘗試用賬面價值分析法為輔助方法，現金流量折現分析法（ dcf法）為主要方法，確定國有資產收購價格。其中，用現金流量折現分析法確定收購之後的收益，賬面價值分析法得到的結果作為與國有資產管理部門就國有資產作價的依據，兩種方法相互結合，來確定國有資產收購價格。同時論文對國有企業收購整合的模式作了積極的探索，地方電力公司投資新的水利發電項目往往同時有一部份是排灌、防洪等非經營性的，或稱為公益性的無收益項目，論文對新建項目的經營性資產與非經營性資產合理比例作了深入的探討，重慶大學碩士學位論文並建立了分析模型，對于新項目的投入資金結構進行了較為深入的分析，並建立了相應的項目融資模型。
  11. Algorithms for the minimal polynomial and the inverse of a given block symmetric circulant matrix over a group algebra of a finite group over a field are presented. and a method of determining singularity of this block symmetric circulant matrix is given

    ?給出了求域上有限群的群代數上的塊循環矩陣的極小多項式的演算法，西安電子科技大學博士學位論文:多項式代數及其應用奇異性判別法及其逆矩陣的求法
  12. Cyclic voltammetry ( cv ) and linear scanning microscopy ( lsv ) results show that the anode reactive rate is limited at low electrode voltage for electro - oxidation of methanol, formaldehyde or formic acid, the over - voltage being about soomv

    循環伏安和線性掃描曲線表明甲醇，甲醛和甲酸在低陽極電位下反應速率有限，存在約300mv的過電位。
  13. Is a computer networks and automation technology provider, whose primary focus is in the marine and auto - control industry. we cooperate with east china shipbuilding institute ecsi, design and manufacture marine electrical equipment, ship automation networks. we are agent of most famous automation products and industry software, and provide a whole solution system to you

    比太系統工程有限公司立足於開發生產和銷售自有品牌的自動化產品，同時與江蘇科技大學原華東船舶工業學院積極合作，共同開發船舶自動化監控系統電站管理系統軸溫測量與報警系統液位遙測船載航行數據記錄儀vdr等產品。
  14. Finite element method for an offshore platform with complex nodes with a cathodic protection system

    海洋平臺復雜節點陰極保護電位分佈的有限元法計算
  15. Through adjusting the controlling fuel injection - - regulations of the two injection timings and proportions, an adequate air and fuel charge stratification was produced - we call it quasi - homogenous mixture and the lean burn was successfully realized in a product 4 - valve s. i. engine whose structures are n ' t changed at all. investigations show that twice electronic fuel injection can make the lean limit ( a / f ) increase by 1. 5 - 2 units ; the fuel consumption and exhaust emissions are improved remarkably, in partial load, compared with the product 4 - valve s. i

    研究結果表明：兩次噴油可拓展發動機稀燃極限1 . 5 - 2個空燃比單位，最高達23 . 5 ；發動機燃油消耗同原電噴發動機相比可降低19 . 1 % ；整個空燃比范圍內，經過優化的兩次噴油稀燃的最低油耗較單次噴油稀燃下降6 . 5 %左右，各種排放物機內生成量均有大幅度下降。
  16. Drawing the following concludes : ( 1 ) for the different metallic small particles with even number or odd number, the heat capacity is varied. the result is different from the bulk metal in essence. at the low temperature, the distribution of the discrete energy levels has important effects on the heat capacity ; at the high temperature, the distribution of the discrete energy levels has little effects because of the involving of mass electrons into the energy distribution

    得到如下結論： （ 1 ）金屬小粒子所含的電子數奇偶性不同，其電子熱容是不同的，這與大塊金屬有本質區別；低溫極限時電子熱容受能級分佈的影響很大；而在高溫時，有大量的電子參與能量配位，比熱遵循大塊金屬的線性規律，能級分佈的影響小時。
  17. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。
  18. By analyzing the scalar velocity bound curve and combining distribute of acceleration limit, a time - optimal control algorithm was designed. the results of experiments show it can make full use of the capacity of motor while realizing the stability and positioning accuracy of system, solving the problem of time - optimal control

    通過對標量速度邊界曲線的分析，結合加速度極限分佈情況，設計了一種在特定軌跡約束下機器人時間最優軌跡規劃演算法，以在保證系統穩定性和定位精度的前提下，充分發揮電機的性能。
  19. Nation modified platinum electrode ( 1 ) the nitric oxide in the medium of natural seawater was determined using nafion modified platinum electrode for the first time, the best conditions are found as follows : the time of exclusion of oxygen bubbled with nitrogen for the electrochemical cell is 30min, the preparation time of saturated solution is 30min, the enrichment time is 5min and the electrochemical responses of the modified platinum microelectrode to no were evaluated by scanning from 0. 2v to iv

    主要研究結果如下：一、 nafion修飾鉑電極1首次用nafion修飾鉑電極對天然海水介質中的一氧化氮進行了測定，確定了最佳實驗條件，即反應池通氮除氧30min ， no飽和溶液的制備時間為30min ，富集時間是5min ，電位掃描范圍0 . 2 1 . 0v ，並且確定了nafion修飾電極的檢出限是1 mol l ，線性范圍1 76 . 9 mol l ，相關性良好。
  20. Ceiling margin yi switch position kuo low, ceiling margin yi switch position has got to higher than photoelectric blade above down hand in will place

    上極限之開關位置過低，上極限之開關位置必須高於光電刀片之上下交會處。
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