陰電性離子 的英文怎麼說
中文拼音 [yīndiànxìnglízi]
陰電性離子
英文
electronegative ion- 陰 : Ⅰ名詞1 (中國古代哲學認為宇宙中通貫物質和人事的兩大對立面之一) (in chinese philosophy medicine ...
- 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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...
- 離子 : [物理學] ion
-
More recently, the perovskite manganite compounds, la1 - xsrxmno3 have been used as the cathode of the solid oxide fuel cell ( sofc ) because of their electro - ion conductivity properties. in manganite perovskites, substitution of divalent ions ( alkaline earth metals viz
近幾年來, la _ ( 1 - x ) sr _ xmno _ 3這類鈣鈦礦型結構的氧化物材料因為其具有混合電子-離子導電特性而被廣泛的應用於固體氧化物燃料電池陰極材料。Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,比樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積速率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。Recently, study on solvent polymeric membrane ( spm ) anion selective electrodes based on metal complexes as neutral carrier and exhibiting anti - hofmeister selectivity pattern is an important project in the fields of electrochemistry and electroanalytical chemistry
近年來,以金屬配合物作為中性載體且呈現anti - hofmeister行為的陰離子選擇性電極是電化學和電分析領域中公認的活躍研究課題。The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。The relation of absorption of nano - metal sols and the addition of dispersants, as well as the rule of absorption of nano - metal sol added by dispersants concomitant to placing time were systematically investigated by means of uv - vis. the results show that, the suitable dispersant to nano - iron / ethanol sol is 0. 035 % polyoxyethylene ( 10 ) lauryl ether ( op - 10 ), but in the case of nano - tungsten / ethanol sol, 0. 13 % neotelex maybe is of more benefit to its disperse stability. the observation of tem shows the best evidences
Uv - vis法理論分析結果表明,對于納米鐵溶膠,添加0 . 035的非離子型表面活性劑十二烷醇聚氧乙烯醚可以達到良好的分散穩定性;而對于納米鎢溶膠,最理想的分散劑則是0 . 13的陰離子表面活性劑十二烷基苯磺酸鈉,電鏡觀察結果完全證實了該推論,顯示5天後的納米金屬溶膠仍然保持良好的分散狀況。In the discharge process, the ions can clean and activate the surfaces of cathodes, which can reduce the work function of the electrodes, and improve the discharge tubes ’ emission capability and stability
在放電過程中,陰極表面有離子的清洗和活化作用,可以使電極逸出功降低,提高放電管的放射能力和穩定性。For the pemfc cathode, besides above the parameters, the effects of the thickness of the reaction layer, the ion conductivity of nafion electrolyte and the electronic conductivity in carbon phase of the reaction layer on the electrode performance have also been investigated
在對pemfc陰極的研究中,除了以上參數以外還考慮了反應層厚度, nafion ~ ( ? )電解質的離子傳導率以及反應層中碳相傳導率對電極性能的影響。The stretching vibration of v = o shifts to lower wavenumbers, which is contributed to the oet v : = o bonding interaction. the intercalation of peo effectively shields the electrostatic interaction between li + ions and v2o5 layers, resulting in the improvement of the cycling reversibility and stability of li + ions insertion / extraction in the interlayer of v2o5 xerogel and the improvement of electrochromic behavior of the films
通過電學、電化學和光學性能測試結果表明: peo的嵌入,有效屏蔽了vzos層對li十離子的靜電作用及peo與li十離子之間產生的絡合作用,大大提高了li +離子在氧化物層間的嵌入容量、嵌入/脫出可逆性和穩定性,有效提高了薄膜的電致變色性能尤其是在近紫外區的陰極電致變色性能。For this purpose, 2, 5 - diaminobenzene sulphonic acid ( dabsa ) [ c6h3 ( nh2 ) 2so3h ] can be selected as one monomer of ip reaction. the other monomer can be trimesoyl chloride ( tmc ) [ c6h3 ( coc1 ) 3 ]. in order to introduce the cationic group into membrane, 4 - ( chloromethyl ) benzoyl chloride ( cmbc ) [ ch2c1c6h4 ( coc1 ) ] could be added into organic phase ( tmc ) and used for chemical modification after ip process based on the reaction between 4 - ( chloromethyl ) benzoyl chloride and trimethylamine ( tma )
為了引入陽離子交換基團,本文採用2 , 5 -二胺基苯磺酸作為界面聚合的無機相單體;為了引入陰離子交換基團,在均苯三甲酰氯有機相單體中加入一定量的4 -氯甲基苯酰氯,並考慮在無機相中加入適量的聚乙烯亞胺( pei )以增加其正荷電性。Least sweep voltammetry method was employed to study h2po2 - anodic oxidation and ni2 + cathodic reduction in electroless nickel plating solutions containing different complexing agents
運用線性電位掃描法,研究了含有不同絡合劑的化學鍍鎳溶液中鎳離子陰極還原行為和次磷酸鹽陽極氧化行為。For the cathodic process it is likely that there exists a coupling between ni2 + discharge and hydrogen evolution. hydrogen evolution on working electrode should have masked the nickel ion reduction peak in lsv curve
對于陰極過程,鎳離子放電和氫氣析出過程存在耦合,氫氣的析出可能掩蓋了線性電位掃描曲線上鎳還原的電流峰。This is attributed to the stabilization of the excited state of intermediate of luminol by the interaction with the positively charged pee modified layer
荷正電的聚乙烯亞胺修飾分子與魯米諾激發態3 -氨基鄰苯二甲酸陰離子間靜電相互作用而導致的激發態穩定性增加;對魯米諾分子的電化學發光的增強起著關鍵作用。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained
本文將tffa模型應用於堿性燃料電池( afc )和質子交換膜燃料電池( pemfc )陰極,推導出陰極各種傳遞和反應過程的描述方程,包括氧氣在氣體擴散層和反應層氣體通道中的擴散,氧氣在反應層薄膜中的溶解和擴散,氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導,並給出方程的數值解法。In simulations, all important phenomena, such as non - neutral sheath widening near cathode, cathode electron emitting, current channel migrating to the load side of the plasma, ion accelerating toward cathode and magnetic insulation of cathode emitting electrons etc, have been observed and depict the internal physics of this device. also presented is the influence of cathode emitted electrons on phenomena in the conduction processes of pegs. the simulation results show, without cathode emitted electrons, rapid magnetic field penetration takes place only in region near the cathode, with cathode emitted electrons, magnetic field penetration takes place in all plasma region
診斷發現了陰極表面非中性鞘層的形成、陰極電子發射、電流通道的漂移、等離子體離子加速以及陰極電子磁隔離等物理現象,揭示了這一斷路器件的物理機制;分析了陰極電子對peos導通過程中的物理現象的影響,模擬結果顯示:忽略陰極電子作用,磁場滲透現象主要出現在陰極表面區域,考慮陰極電子作用,磁場滲透現象出現在整個等離子體區域。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。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。Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed
結果表明: ( 1 ) cbt在低溫協迫下,細胞圓縮,細胞核變形,染色質濃縮且邊位,細胞質空泡狀;細胞死亡率隨處理時間的增加而增加;細胞內鈣離子濃度隨處理時間延長而遞增;線粒體膜電位差在低溫處理早期急速上升,隨后一直下降;細胞內超氧陰離子( o _ 2 ~ - )在低溫處理前期出現高峰,接著呈下降趨勢;細胞內sod活性在低溫處理前期減弱,接著上升,然後持續下降。Cystic fibrosis is caused by mutations in the gene encoding an ion - transport protein, the cystic - fibrosis transmembrane conductance regulator ( cftr ). defective secretion of anions is the primary cause of many of the clinical manifestations of cystic fibrosis, including pancreatic insufficiency
囊性纖維化是由作為陰離子通道的跨膜電導調節器( cftr )的基因突變所致,而陰離子分泌缺損是囊性纖維化的多種臨床表現(包括胰腺功能缺陷)的主要原因。The research team of prof chan hsiao chang, director of the epithelial cell biology research centre, in collaboration with zhejiang academy of medical sciences, demonstrated that cystic fibrosis transmembrane conductance regulator cftr is involved in transporting bicarbonate into sperm, and thus, is vital to sperm fertilizing capacity and male fertility. cftr is an anion channel, mutations of which cause cystic fibrosis, a disease characterized by defective cl - and hco3 - transport with clinical manifestations in a number of organ systems
由陳小章教授領導的香港中文大學上皮細胞生物學研究中心的研究人員,與浙江醫學科學院合作,證實囊性纖維化跨膜電導調節器( cftr )負責輸送碳酸氫根進入精子,對精子授精能力及男性生育能力非常重要; cftr是一個陰離子通道,其基因突變會導致囊性纖維化,因為氯離子和碳酸氫根( hco3 - )分泌缺陷,引發一系列器官病徵。分享友人