正極性 的英文怎麼說

中文拼音 [zhēngjíxìng]
正極性 英文
normal polarity
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  2. Carbonium ions in solution derive much of their stability from solvation effects and are formed more easily in more polar media.

    正碳離子在溶液中由溶劑效應獲得更高的穩定性，而且在極性較高的介質中更容易形成。
  3. In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material

    論文主要針對制約正極材料lifepo _ 4性能的兩大致命的缺點，即低的電子導電率和低的鋰離子擴散速率，採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ （ ~ （ 2 + ） ）離子摻雜等措施對其進行改性探索，以提高正極材料lifepo _ 4的電化學性能。
  4. Linio2 - based compounds were promising candidates of cathode materials for lithium ion batteries. but they still possessed various problems such as the difficulty of preparation, the poor heat stability and the dissatisfactory cycleability performance and so on, which insolubility for its practical applications, so it must be optimized synthesis and changed perfomance

    鋰鎳氧系列電極材料是當前鋰離子電池新一代正極材料的研究熱點之一，但是由於該系列材料存在著諸如制備困難、熱穩定性差、循環性能差等問題而不能實際應用，必須對其進行合成優化和性能改性。
  5. Firstly, due to the limitation of acquaintanceship the peasats mutual enthusiasm was wrongly regarded as their socialist enthusiasm, which resulted in the equalitarian distribution and impinged the middle peasants " interests ; secondly, the mistake of " left " was inevitable because the " left " policy was carried through from the top to the lower by executive orders, although the prorincial committee of hunan attempted to resist the mistake of " left " ; thirdly, according to the policy of " uniting middle peasants ", the middle peasants were only the objects of unibus so they might be regarded as friends or enemies as well and they could be united or perished as well

    究其原因，主要是三個方面，第一，由於當時認識水平所限，把農民的互助積極性當作社會主義積極性，實行平均主義，這樣必然會侵犯、損害中農利益。第二，雖然湖南省委對「左」的錯誤努力堅持加以糾正，但「左」的錯誤用行政命令方式自上而下，無法避免。第三， 「團結中農」在實踐中把中農作看統一戰線對象，則既可做朋友，也可成敵人，也即既可做團結對象，也可成為打擊目標。
  6. In this thesis, the uper - iron alkaline batteries. utilizing insoluble ferrate ( vi ) - k _ 2feo _ 4 as cathode active material, was more systematically investigated by the mothods of eb, xrd, and cv

    本論文對以難溶高鐵酸鹽k _ 2feo _ 4為正極活性物質的水溶液堿性高鐵電池進行了較為系統的研究。
  7. We improved the theorem of inverse limits of hereditarily - normal spaces, and gave a simple proof of this result

    摘要討論了-正規空間的逆極限性質，改進了文[ 7 ]中關于遺傳-正規性逆極限保持定理，並給出一個簡單證明。
  8. The paper also refines several new wordings : transforming china, axle - centred public power, institutional justice ; traditional social capital ? modern social capital, social capital positiveness ? social capital negativeness, ethical contract ? legal contract, traditional trust ? modern trust, purposive reciprocity ? purposeless reciprocity, etc

    文章也簡約出幾個新提法：轉型中國、公權中軸、制度公正；傳統性社會資本?現代性社會資本、社會資本積極性?社會資本消極性、倫理契約?法理契約、傳統性信任?現代性信任、理性互惠?非理性互惠等。
  9. Based on the philosophy of capacity design, the formulas of overstrength of coupled - shear wall were established to offer the theoretical references for the evaluation on the seismic performances of the shear - wall structures designed by current building codes based on bearing capacity method under severe earthquake, which has been proved correct by the results of nonlinear full range analysis

    摘要基於能力設計原理，建立了聯肢剪力墻結構極限承載力的超強計算公式，為按現行規范以承載力設計的剪力墻結構評估其在罕遇地震下的抗震性能提供理論依據，並結合實際工程中剪力墻的計算和非線性分析結果，證明了本文方法的正確性。
  10. A molecule where the centers do not coincide is called a polar molecule.

    正負電荷中心不重合的分子稱為極性分子。
  11. In the experiment we try to find out some ways to improve the performance of the positive pole through the study of positive active material and anode grid

    在實驗中我們力圖想通過添加劑的研究和板柵的研究找出提高正極性能的辦法。
  12. The utilization of lead acid battery active material is universally very low though its technology has reached the maturation. especially, the utilization of positive active material is much worse. and the performance of the positive pole decides the whole battery performance

    雖然鉛酸電池的技術已經比較成熟，但普遍存在活性物質利用率比較低的問題，特別是正極活性物質的利用率更是不理想，正極的性能決定著整個電池的性能。
  13. A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well

    液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計，具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序，確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。
  14. A dynamic hierarchical description method for workflow is presented. the method provides a dynamic hierarchical way to define a workflow with non - determinate or dynamic factors. with this method, the main process defined at build - time can be reified and extended by the principle of the sub - organizations at either the build - time or the run - time. to ensure the consistency and integrity of the description, a series of constraint rules are also discussed to realize seamless integration between a decomposed process and its original one. this approach supports the description of unpredictable uncertainties, the dynamic hierarchy of business process, and the dynamic modification of enterprise organizations, and all of these improve the flexibility and extendability of workflow management systems dramatically

    為支持流程中不確定性因素和動態因素的描述，提出了柔性工作流的動態層次描述方法，使得流程設計人員在流程定義階段定義的主流程可以在任意時刻由子組織的負責人進行細化和擴充.為保證動態層次描述的正確性和完整性，討論了動態層次描述的一系列約束規則，確保分解后的流程與原有流程實現無縫銜接.該描述方法支持對不可預知的非確定性因素的描述，支持業務流程的動態層次描述以及組織機構的變化，極大地增加了工作流管理系統的柔性和可擴展性
  15. The first chapter, main instead " duo - ring " condition of " every maximal left ideal is gw - ideal " condition, study strongly regularities of gp - v - ring on this condition. lt is shown that ( 1 ) r is strongly regular iff r is left gp - v - ring whose maximal left ideals are gw - ideal. ( 2 ) r is strongly regular iff r is left gp - v - ring whose maximal right ideals are gw - ideal. the second chapter, generalize some results of gp - v - ring to gp - v - ring, discuss regularity of gp - v ' - ring. it is shown that ( 1 ) r is left self - injective regular with non - zero socle iff r is left gp - v - ring with soc ( rr ) = soc ( rr ) and r contains an injective maximal left ideal

    第一章主要將「 duo -環」條件替換成「每一極大左（右）理想是gw -理想」條件，研究在此條件下， gp - v -環的強正則性，證明了： （ 1 ） r是強正則環當且僅當r是左gp - v -環且r的每一極大左理想是廣義弱理想； （ 2 ） r是強正則環當且僅當r是左gp - v -環且r的每一極大右理想是廣義弱理想，第二章，主要將gp - v -環上一些結果推廣到gp - v -環上，討論gp - v -環的正則性，證明了： （ 1 ） r是左自內射正則環且soc （ _ rr ） 0當且僅當r是包含內射極大左理想的gp - v -環，且soc （ _ rr ） = soc （ r _ r ） ； （ 2 ） r是正則環且每一極大本質左理想是理想當且僅當r是左gp -內射的左gp - v -環且每一極大本質左理想是理想。
  16. Thank to the toner is negative polarity of almost laser printers. use the paper with positive polarity for laser printing and it is possible to conduct more toner and increase color saturation

    幾乎所有的激光印表機都採用負極性的碳粉，選用正極性的紙張做激光列印能引導更多的碳粉至紙張表面上，達到增加色彩飽和度目的。
  17. Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector

    本文通過考察活性炭電極在堿性電解液中的電極行為，指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素，增大正極活性物質的載量能夠使電容性能得到一定程度的改善，同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能，但存在金屬集流體的腐蝕問題。
  18. Kvl : in traversing any loop in any circuit, at any instant of time, the sum of the voltages having one polarity equals the sum of the voltages having the opposite polarity

    在任一瞬間，沿著電路的任一（有向）迴路繞行，正向電壓（具有正極性的電壓）之和等於反向電壓（具有負極性的電壓）之和。
  19. 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。
  20. We also found that it was the smaller capacitance of the positive electrode that limits the performance of the ac electrode, and the capacitor character reached optimization when the ratio between the mass of positive actived material and that of negative actived material. " 2

    但是活性炭電極的正極性能較差是影響電容器性能的重要因素，增大正極活性物質的載量使正負極活性物質質量比約為2 ： 1時，電容性能達到最佳。
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