reaction current 中文意思是什麼

reaction current 解釋
反應電流
  • reaction : n 1 反作用,反應;反沖;反動力。2 【政治學】反動,倒退;復古(運動)。3 【化學】反應,【物理學】...
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。
  2. The metal nanoparticles that form in hot critical layer are drawn from reaction area and arrives designated installation via the centrifugal selection grades ware under the transport of inertia gas current, then metal nanoparticles are collect via filter completion

    氣流將在熱臨界層中形四川大學博士學位論文成的金屬懸浮顆粒從反應區中提取出來,經過離心分級器的篩選,在惰性氣流的輸運下抵達指定裝置,通過濾器完成對金屬納米顆粒的收集。
  3. The current situation of utilizing isobutane and isobutylene in china were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically

    摘要介紹我國異丁烷和異丁烯資源的利用現狀,重點對異丁烷脫氫制備異丁烯的反應機理、反應流程和催化劑類型進行了論述。
  4. 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。
  5. In this paper all kinds of fuel cell, the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined. mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed. latest progress of membrane materials and instrument analysis technique in dmfc has also been described

    介紹了燃料電池的分類以及質子交換膜燃料電池( pemfc )的工作原理和研究現狀,並對直接甲醇燃料電池( dmfc )中有關電化學反應及傳遞過程的數學模型進行了比較和分析,描述了適用於dmfc的膜材料以及儀器分析技術的最新進展,認為直接甲醇燃料電池是目前較理想的燃料電池,有著廣闊的發展前景。
  6. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應過程,研究了過電位-電流密度曲線受陰極結構參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的半徑,浸漬聚集體在催化層中的體積分數。
  7. In macrosopic theories of foreign direct investment, author mainly describes g. damacdougall ' s international investment benefit distribution, kiyoshi kijima ' s theory of comparative superiority investment, r. aiiber ' s theory of money area, john dunning ' s theory of investment development stratege. in microsopic theories of foreign direct investment, author describes stephen herbert hymer & charles p. kindlebeger ' s toheory of monopolization - superiority, teter j. buckley & mark c. casson ' s internalization special advantage theory, raymond vernon " product circle theory, e. f. heckscher & b. ohlin " locational choice advantage theory, john dunning ' s compromise theory of international product. section 3 analyzes current enterprise intemationization theories which involves theories and model such as uppsala international model ( u - m ), cavugil ' s export behavior theory, international operation driving theory, hagg & johnson, etc. 1 enterprise intemationization network model, rogers ' s the innovating - related intemationization models ( i - m ), prahalard & doz ' s integration and reaction model, farmer, r. n

    在外國直接投資的宏觀理論中,主要論述了麥克道格爾( g . d . a . macdougall )的國際投資利益分配模型;小島清( kiyoshikojima )的比較優勢投資理論;阿利伯( r . aliber )的貨幣區域理論;鄧寧( johndunning )的投資發展階段理論;在外國直接投資的微觀理論中,重點討論了海默( stephenherberthymer )和金德爾伯格( charlesp . kindlebeger )等人的壟斷優勢理論;巴克利( peterj . buckley )和卡森( markc . casson )等人的內部化理論;弗農( raymondvernon )的產品周期理論;赫克歇爾( e . f . heckscher )和俄林( b . ohlin )的區位理論;鄧寧( johndunning )的國際生產折衷理論。
  8. 4. through the galvanostatic charge / discharge experiments with different schedules, it was found that mn ( ) / mn ( ) in acidic media as half - cell in a novel redox flow system is practically feasible in that it has such advantages as low cost, high open voltage, a certain coulombic efficiency with low charge / discharge current, and long cycling life. in the second part, cosn alloy and cu - sn samples were synthesized firstly by h2 - reduction following solid - state reaction between co ( ii ) 、 cu ( ii ) 、 sn ( iv ) 、 and naoh at ambient temperature

    並研究了其分別作為鋰離子電池陽極材料在1mol / llipf6 / ec + dmc電解液中的恆流充放電性能,各樣品均存在較大的首次不可逆容量損失; 10個循環內cu - sn可逆放電容量可保持在280mah / g以上,而第十周時cosn 、 cu6sn5的可逆放電容量分別為50mah / g和60mah / g 。
  9. There are various problems in the current social crisis management system such as the imperfection of the warning and social system, the inefficiency of the immediate reaction and decision - making system, the insensitiveness of the informative linkage system, the modification of the performance evaluation mechanism and the imperfect of the law system

    我國現有的社會危機管理機制存在的問題主要表現在預警系統和機制不完備、快速反應決策機制效率低、信息聯動機制不靈敏、社會參與機制有待完善、績效評價機制需要重新修正、法律機制不健全等方面。
  10. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在:學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解;對直流電路,不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念,而且對電學概念的理解缺乏宏觀與微觀的聯系;學生在機械波的傳播、波速、波的疊加上存在嚴重的困難,對于機械波的傳播學生不能區分初始條件和媒質特性,並錯誤地將動力學某些觀念與機械波進行類比。
  11. The calculated results show that, for low energy protons ( energy less than several decade mev ), the contribution of proton nuclear reaction to energy deposition can be neglected ; while for high energy protons ( energy greater than several hundred mev ), the great difference appears for the above two cases. this gives us an indication that the contribution of proton nuclear reaction to the energy deposition must be concerned for high - energy protons. the propagation process in material of thermal shock wave induced by high - energy intense - current pulsed proton beam irradiation is calculated for several different proton energies

    對于入射能注量為418 ( j cm ~ 2 )脈沖寬度為0 . 1 s的矩形脈沖強流質子束,計算結果表明,由於質子束能量不同,引起的初始熱激波( 0 . 1 s時刻的熱激波)有單峰結構,也有雙峰結構,不同能量的強流質子束引起的熱激波在傳播的過程中都會出現明顯的彈性前驅波。
  12. The processes and characters of synthesis reaction for ni / al and ti / al under the influence of high intensity of pulsating electric current are researched. the characters of organization and structure of products under different parameters such as charge voltage, charge capacitance, pulsating electric current, pulsating amounts and pulsating duration are summarized

    對高密度脈沖電流下ni al 、 ti al的反應特點進行了分析,總結了在不同的充電電壓、充電電容、脈沖電流、脈沖數量、脈沖持續時間等參數下,反應產物的組織與結構特點。
  13. The processes and characters of synthesis reaction for ni / al and ti / al under the influence of lower pulsating electric current are researched

    研究了在較低的脈沖電流作用下ni al和ti al的合成工藝過程與特點。
  14. The treatment of pulsating electric current at room temperature can break up oxidation surface of grains and improve the conditions of reaction

    提出了冷態下的脈沖電流處理可破碎粉粒表面的氧化皮,改善坯料的反應條件。
  15. 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。
  16. From the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    從放熱化學反應的安全技術觀點出發,分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題;介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法;還展望了化學反應器安全技術的發展方向。
  17. Abstract : from the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    文摘:從放熱化學反應的安全技術觀點出發,分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題;介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法;還展望了化學反應器安全技術的發展方向。
  18. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響,投藥絮凝過程是一個非常復雜的反應過程,為實現投藥系統的自動化和降低混凝劑耗率,國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究,主要有流動電流儀檢測法( scd ) 、現場模擬實驗法、數學模型、顯示絮凝控製法( fcd法)等自動投藥方式的研究和實驗。
  19. Abstract : this paper discusses the principles for selecting the breakdown decision current value in electrolyte strength test based on the structure features of electrolyte, causes and processes of electric breakdown, and human body reaction when suffering from macro electric shock risk by different electric currents, and makes supplementary analysis and explanation on the conditions of micro electric shock risk and the larger distributing capacitance in test circuits

    摘要:從電介質的結構特點和產生電擊穿的原因、過程以及人體遭受不同電流宏電擊危險時的反應兩個方面,論述了電介質強度試驗中擊穿判定電流值的選取原則,並對微電擊危險和試驗迴路中存在較大分佈電容的情況,作了補充分析、說明。
  20. All vanadium redox flow battery is a new - style and environmentally friendly energy storage battery that has many characteristics such as instant recharge by replacing the spent electrolytes, discharged at large current density, really fully discharged ( 100 % ), increasing storage capacity easily, a theoretically unlimited life, sim - ple operation and maintenance. therefore, it is undergoing a exciting development and commercialization. however, there are still some questions to be solved during its commercialization, such as how to prepare highpurity vanadium electrolyte, to enhance its energy density and efficiency, to improve its charge / discharge performance. so it is very important for improving the perfoemance of vanadium redox flow battery and its commercialization to select adaptive electrode materials, to investigate the mechanism of the electrode reaction and to select some additives

    如何制備高純度的釩液流電解質、進一步提高釩電池的能量密度和效率,提高其充放電性能,是釩電池實用化過程中需要解決的問題。因此,選擇合適的電極材料,進一步探討釩離子的電極反應機理,研究釩電池在充放電過程的變化,適當選擇並探討添加劑對釩電池電行為和性能的影響,對進一步改善和提高釩電池的電性能以及釩電池的實用化具有重要的理論意義和實用價值。
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