正離子環 的英文怎麼說

中文拼音 [zhēnglízihuán]
正離子環 英文
positive ion ring
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 離子 : [物理學] ion
  1. 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。
  2. Sam has three ionizable groups besides the sulfonium pole : the carboxyl and the aminic groups of the amino acidic chain with pk 1. 8 and 7. 8 respectively and the aminic group of the purine with pk 3. 4. in an acid environment sam is positive charged, so it could be adsorbed by weak - acid cation exchange resin

    Sam除具有一個帶正電荷的鋶外，還有三個可離子化的基團： pk _ a分別為1 . 8 、 7 . 8的氨基酸鏈上的羧基和氨基， pk _ a為3 . 4的嘌呤環上的氨基。
  3. The results show that lioh ? h2o and emd are better and cheaper materials which have no environmental pollution. it was found that the synthesis temperature were important factor. the spinel lithium manganese oxide,

    結果表明: lioh ? h _ 2o和emd是制備鋰離子電池正極材料摻鈷錳酸鋰較好的合成原料，同時也是廉價、環保的合成原料; 750 ， 20h為較好的合成溫度。
  4. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  5. 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。
  6. Study on addition reactions of nitriliums with bicyclo 2, 2, 1 - hept - 2 - ene

    氮雜炔正離子與二環烯加成反應的理論研究
  7. Because of its high theoretical capacity ( 170 mah ? g ~ ( - 1 ) ), and feasible voltage ( about 3. 5v versus li ~ + / li ), good stability both at room temperature and high temperature, and being environmental benign and inexpensive, lifepo4 is very hopeful material as positive electrode materials for the future lithium - ion batteries material

    磷酸鐵鋰（ lifepo _ 4 ）因其具有高的理論比容量（ 170mah ? g ~ （ - 1 ） ） ，約為3 . 5v的電壓，較好的常溫和高溫穩定性，低廉的成本和優良的環保性能，成為下一代鋰離子電池最有前途的正極材料。
  8. The influences of the calcination temperature and time, the concentration ratio of deionized distilled water to c - v _ 2o _ 5 and the agitation time on the synthesis of a - v _ 2o _ 5 were studied by orthogonal array design and the interactions between the parameters were considered. so the optimum experimental factors were obtained. lithium rechargeable battery positive electrodes based on these optimum conditions could lead to experimental cells with large discharge specific capacity and good cycling performance

    用正交實驗研究了煅燒溫度、煅燒時間、去離子水與晶態v _ 2o _ 5 （ c - v _ 2o _ 5 ）的濃度比和陳化時間對合成a - v _ 2o _ 5的影響，討論了這些參數間的交互作用，並獲得了最優試驗參數，以該最優試驗參數所制備的a - v _ 2o _ 5為可充鋰電池正極的實驗電池，具有較大的放電比容量和較好的循環壽命。
  9. In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode

    本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法，系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。
  10. Main products consist of : plasma generator positive and negative ion generator, negative ion generator, ozone generator, home car air refresher, ozone sterilizer. our company has been authorized the iso9001 : 2000 international quality assurance system certification and cqc, cul, tuv, ce, sgs etc. additionally, our company is also the member of china technology supervision council

    主要產品有：等離子發生器正負離子發生器負離子發生器臭氧發生器家用車載空氣凈化器臭氧消毒機等環保小家電，本公司已通過iso9001 : 2000國際質量保證體系認證及cqc cul tuv ce rohs等各種認證。
  11. There are two main factors resulting in fading capacity and poor cyclability, one is the john - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries. during the research of suppressing jahn - teller distortion, low valence cation ( al 、 mg ) and anion ( f ) doped method are usually adopted

    針對limn2o4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題，分別採用al 、 mg陽離子摻雜和al / f 、 mg / f陰陽離子復合摻雜兩種措施，對尖晶石結構limn2o4正極材料進行了改性研究。
  12. The significant capacity loss of the spinel limn2o4 during cycling hereby prevents its wider use as cathode materials for lithium secondary batteries. there are two main factors resulting in fading capacity and poor cyclability, one is the jahn - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries

    針對limn _ 2o _ 4正極材料在電化學循環過程中發生jahn - teller畸變和mn在電解液中溶解這兩個導致容量衰減和循環性能劣化的關鍵問題，分別採用陰陽離子復合摻雜和尖晶石晶粒表面包裹兩種措施，對尖晶石結構limn _ 2o _ 4正極材料進行了改性研究。
  13. The lithium ion batteries which was earliest used are almost selected licoo2 as the cathode material, because co is shortage, high cost and toxity, it is necessary to find other cathode materials to replace it. respectively, ni and mn have low cost and nontoxity, therefore the cathode materials including ni and mn have attracted wide attention

    最早商品化的鋰離子電池所採用的正極材料幾乎都是licoo _ 2 ，但由於鈷資源缺乏，價格昂貴，且對環境污染嚴重，迫切需要尋找能代替licoo _ 2的正極材料，而鎳、錳價格均比鈷便宜，資源豐富，對環境污染較小，因而用鎳、錳取代鈷的材料是具有應用前景的正極材料。
  14. 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。
  15. Lithium manganese oxides have advantages as the positive active materials for lithium - ion batteries, such as non - toxicity, low cost etc. however, the capacity fade of lithium manganese oxides makes its application difficulty

    鋰錳氧化物由於具有污染低，價格便宜等優點，己經成為最有吸引力的鋰離子電池的正極材料。但其容量衰減、循環壽命短等問題，成為困擾它商品化應用的主要障礙。
  16. Spinel limn2o4 is regarded as the most promising cathode material for lithium - ion cells because of its low cost and environmental friendly nature over licoo2. however its poor cyclabiliry greatly prevented it from wide application, especially at high temperature

    Limn _ 2o _ 4尖晶石型化合物作為鋰離子電池的正極材料之一，被認為是最有希望替代licoo _ 2的綠色電源材料，但其較差的循環性能（特別是在高溫條件下）嚴重地阻礙了它的應用。
  17. There is 148mah / g theory capacity in spinel limn2o4, which has lots of advantages, such as synthesize method is simple, the price is low, and is friendly to environment. the spinel limn2o4 is perfect substitution of li - ion batteries cathode. but now it has not been commercialized because its capacity fades during the cycle of charge - discharge

    Limn2o4具有尖晶石結構，其理論放電容量達148mah / g ，由於制備工藝簡單、價格低廉、對環境友好等，是一種很有應用前景的鋰離子電池正極材料;尖晶石limn2o4正極材料在充放電循環過程中由於錳元素的溶解、晶格發生jahn - teller變形和電解液的氧化分解，使得容量衰減較快，至今未能商業化。
  18. 1. introduction for the pre - stressed concrete bridges in offshore and cold area, due to the corrosion effect of the corrosive agents in the environment to the structures, the safety of the bridge structures will decline with the service time, and this will affect the normal use of the bridge structures in the residual service time

    第一章緒論處于沿海地區及冬季寒冷地區的預應力混凝土橋梁，由於所處環境或冬季所採用的除冰鹽中氯離子的腐蝕作剛，導致結構安全性的降低，使結構不能保證其在後續使用期內的正常使用，造成較大的經濟損失。
  19. Anionic functional finish and the finished fabrics used in home life will generate anions continuously, which neutralize the cations in the air, purify the air, promote the blood circulation, and yield the bactericidal, deodorant and far ir heat - storage effects

    摘要負離子功能整理劑及用於家居的整理織物，會持續發生負離子，中和空氣中正離子，起到凈化空氣、促進血液循環、抗菌除臭、遠紅外蓄熱等作用。
  20. Nowadays, the cathode material used in the commercial lib is licoo2. but cobalt is expensive and makes serious environmental pollution and the resource of it is limited

    目前商品化的鋰離子電池多採用licoo _ 2作為正極材料，但鈷價格昂貴，對環境污染較大且資源有限。
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