電極化分離 的英文怎麼說
中文拼音 [diànjíhuàfēnlí]
電極化分離
英文
polarization segregation- 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...
- 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...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
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Methods for chemical analysis of spodumenite and lepidolite concentrates - the ion selective electrode method for the determination of fluorine content in lepidolite concentrates
鋰輝石,鋰雲母精礦化學分析方法離子選擇電極法測定鋰雲母中氟量( c ) the total energy of manganate - oxides materials decreases after intercalation lithium. the electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect, which makes the spinel structure more stable
( 3 )對于錳系材料嵌鋰后,體系總能量降低;鋰離子的靜電作用和極化作用,使錳氧之間的離子鍵成分減小,共價鍵成分增加,整個尖晶石骨架結構更加穩定。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。The chemical compositions of sei films formed on the interfaces of a3000 samples in different electrolytes during the first charging process are mainly li2co3 and lioco2r, but their textures are different. the sei films formed in ec - based electrolytes are thin and compact, which can prevent the solvated lithium ions from cointercalating between two graphene layers of the graphite crystallites effectively, therefore samples a3000 have small irreversible capacities and good compatibilities with this kinds of electrolytes. however, the sei films formed in pc - based electrolytes are thick but defective, which could not effectively prevent solvated lithium ions from intercalation, therefore sample a3000 shows large irreversible capacities in pc - based electrolytes and bad compatibilities with this kind of electrolytes
A _ ( 3000 )試樣在六種不同的電解液中,首次充電過程中所形成的sei膜,其化學組分均為碳酸鋰和烷基碳酸鋰,但在ec基電解液中形成的sei膜薄而緻密,可以有效地阻止溶劑化鋰離子插入石墨層間,不可逆容量少,表現出與a _ ( 3000 )試樣有良好的相容性;在pc基電解液中形成的sei膜厚,且有缺陷,不能有效地阻止溶劑化鋰離子嵌入試樣中石墨微晶的層間,不可逆容量大,與a _ ( 3000 )試樣的相容性極差。In this paper, high concentration vanadium electrolyte has been prepared by electrolysis, graphite and graphite felt electrode also have been made, moreover, the electeodes have been activated, and based it, a lab - level vanadium battery has been manufactured. cyclic voltammetry, current step and invariable current charge / discharge method have been used to study the reactive mechanism of electrolysis, of vanadium electrode reaction and of electrode activation, also to investigate maiden charge process and electricity performance of vanadium battery. the influence of electrode activation and trace stibium ion, indium ion added into vanadium electrolyte has been discussed
利用循環伏安法、恆電流階躍法、恆電流充放電循環等電化學方法,探討了電解法制備釩液流電解質的反應機理,考察了釩的電極反應、電極表面活化處理對釩的電極反應的影響,結合電極反應分析了活化的機理;還考察了釩電池初次充電活化過程及恆流充/放電循環的電性能;並且考察了添加銻離子、銦離子對釩電池電性能特別是析氫行為的影響。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。A chip based on electroelution principle was presented for the recovery of dna fragments, which can make the isolation and collection of target dna fragments possible in a single process by switching electrodes
提出了一種基於電洗脫原理的核酸純化回收晶元,通過對晶元上電極進行適當的切換操作,可一次完成核酸樣品分離和純化回收。It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures
由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用,再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性,使其對水、極性分子及可極化的分子具有高選擇的吸附性能。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials, and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes. as a result, the capacity losses, which are originated from structural changes and interface reactions during cycling, decrease and thereby cycling life increases for ti - doped materials
摻欽后,電極材料的離子分佈形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively
Huangya14 )為材料分離克隆到一個細胞色素p450基因,命名為bccyp86mf5 , cdna全長1854bp ,含1575bp的完整開放閱讀框,編碼524個氨基酸,其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ;堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ;二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域,半胱氨酸亞鐵血紅素配體信號區等, -螺旋和-折疊分別佔47 . 7 、 45 . 0 ;與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ,與擬南芥cyp86c4的達到85 . 9 。A building coating was made from latex, the powder and other stuffings. the coating could effectively induce negative air ion through the water molecular colliding the tourmaline particle surface in the coating
利用電氣石電極特性,電解水分子,以稀土氧化物為電氣石粉體的分散劑開發了高效產生空氣負離子材料及空氣負離子內墻塗料。( 3 ) the free - standing porous silicon films with continuous porous structure were prepared on single crystal silicon wafer by the method of anodic oxidation and electrochemical etching - electropolishing, and firstly used as the anode materials for lithium ion secondary batteries. the capacities of lithium ions storage and the process of charge and discharge of this nano - silicon anode materials as well as the influence of the structure of ps on behavior of storing lithium ions were inspected at length. on the other hand, through the process of charge and discharge in cells, the lithium of light metal element could be electrochemically doped into ps at different doping levels
胡勁松河北師死大學碩士學位論文( 3 )利用陽極氧化法在單晶硅基底上制備了多孔硅自支撐膜,並首次將這種具有連續多孔結構的硅材料用作了理離子電池的陽極材料,考察了這種納米級硅陽極的儲鉀性能和充放電過程,分析了材料結構對其儲理行為的影響;另一方面,利用這種電池充放電過程在多孔硅中電化學引入了不同點綴程度的輕金屬鉀元素,考察了鉀點綴對多孔硅自身結構,及至性質所帶來的影響,提供了一種通過電化學方法插入埋離子從而連續調整多孔硅發光性質的有效方法。Secondly, because the band of the traditional microstrip antenna is very narrow. and the isolation can ’ t meet the requirement when the coaxial - line feeding is used to realize the dual polarization. the following work lays heavy stress on analysis of the way of widening the bandwidth and developing the isolation of the antenna
傳統的微帶天線帶寬較窄,採用普通同軸線饋電實現雙極化的時候,隔離度不能夠滿足天線的要求,所以在接下來工作中,重點分析了微帶天線頻帶展寬和隔離度改善的方法。Lithium carbonate - determination of fluoride content - ion selective electrode method
碳酸鋰單水氫氧化鋰氯化鋰化學分析方法離子選擇電極法測定氟量This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge
本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論,首先對重建區域假定一個介電率分佈,用電容網路作為離散化模型,將每一個源電極和探測電極對組成的測量電路看作一個四端網路,該四端網路的跨導與源電極和探測電極之間的電容值是線性關系,這個電容值和測量得到的電容值之間存在誤差,根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果,證實了該演算法是有效的,收斂的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。Starting from the theory of two photoionization, we simplified the model of the ultraviolet light source, derived the equation for the spatial distributions of the initial electron density between the main electrodes, and then gave a simple method to homegenize the spatial distribution of the initial electron density between the main electrodes
本文從光離化的雙光子吸收這一理論出發,簡化紫外光源模型后,導出了主電極間初始電子密度的空間分佈規律並給出了使其空間分佈均勻化的簡單方法。The mediator modified on the surface of electrodes can accomplish the electrocatalytic reactions by accelerating electron transferring between redox centers and the electrode surface. the electro catalysis of the modified electrode is an enormous impetus for its development and is widely used in the slow electron transferring processes which is n ' t easily realized, for example, the electro catalysis of biomolecules, organic compounds and inorganic ions
修飾在電極表面的媒介體可加速氧化還原中心在電極表面的電子傳遞過程以實現電催化反應,廣泛應用於各種難以實現的電子傳遞慢過程,例如,生物分子的電催化、有機物的電催化、無機離子的電催化等。The effects of the parameters of alternating electric field on the growth of passive film and the dissolution of alloying element in stainless steel were studied by analysis of the composition of passive film and the bath solution
通過對鈍化膜層和溶液中金屬離子的含量分析,研究了不同交變電場參數對電極中各金屬元素的溶解和沉積。分享友人