極化電容 的英文怎麼說
中文拼音 [jíhuàdiànróng]
極化電容
英文
polarization capacity-
The addition of calcium hydroxide in zinc electrode can reduce the solubility of zinc oxide and improve discharge capacity, cycling life and utilization of active material
在氧化鋅中加入氫氧化鈣能顯著降低氧化鋅在堿性溶液中的溶解度,明顯改善鋅電極的放電容量、循環壽命以及活性物質的利用率。Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller
Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower
本文簡略地介紹了db930的設計過程及其結構特點,重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施,圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。Exploding wires phenomenon is that if the high - density energy is poured into metal wire with small transverse section in a short time from high power pulse source, the metal wire will explode into gaseity and generate significant shock wave. the. fundamental reason of the generated shock wave is the plasma
爆炸絲現象( explodingwiresphenomenon )是將存儲于高壓電容器中的能量,在極短的瞬間內傾注于很小截面積的金屬絲,使之汽化,產生強大的沖擊波,這種沖擊波產生的根本原因就是等離子體。The improvement of the compatibility of nonaqueous electrolytes with electrodes, and the progress on the electrolyte optimization to improve the compatibility of electrolyte with electrodes are introduced
改善電解質與電極的相容性,提高電極表面鈍化膜的穩定性是提高電池綜合性能的有效途徑。The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered
氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。Electrode materials have effects on properties of electrochemical capacitor, many carbonaceous materials such as active carbon, pyrolytic carbon, active carbon fiber and carbon nanotube were mainly used in electric double - layer capacitor. because of synthetic conditions and cost, we studied their electrochemical properties of electronic double - layer capacitor that pyrolytic carbon was used as their electrode materials
電極材料是影響電化學電容器性能的主要因素之一,應用於雙電層電容器的電極活性物質主要是各種碳材料,如各種活性炭、熱裂解碳、碳纖維、碳納米管等,考慮到合成工藝和成本因素,我們採用熱裂解碳為雙電層電容器的電極材料,並研究了它們的電化學性能。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。" electrochemical performance of sn - substituted lani5 - based rapidly solidified alloys ", demin chen, lian chen, ke yang, min tong, ruibin long, wensheng sun and yiyi li, accepted by journal of alloys and compounds
"粘結劑對儲氫合金電極電化學容量的影響" ,陳德敏,丘思曉,楊柯,張綏生,李依依,材料研究學報,已接收。Bai shi new development over the years, the company ' s products are mainly trade sales world - renowned brands ; has formed a production and supply of quartz crystal and ceramic capacitors, thick film resistors based serial production lines. main products include : plug posted quartz crystal surface, the surface of quartz crystals and crystal oscillators, posted plug surface, quartz oscillator vco, stickers and vco plug - round version of ceramic capacitors and vertical and horizontal layer ceramic capacitors, chip resistors and resistor ranked / exclusion order and capacitance / second polar body / mixed network
新佰仕經過多年的發展,公司貿易的產品主要銷售世界知名品牌電子元器件;現已形成了以生產及供應石英晶體?陶瓷電容器?厚膜電阻器為主的系列化產品生產線,主要產品包括:表面貼石英晶體?插件石英晶體?表面貼石英振蕩器?插件石英振蕩器?表面貼壓控振蕩器?插件壓控振蕩器?圓版型陶瓷電容?立式與臥式積層陶瓷電容?排列電阻器?晶元電阻/排阻?排列電容/二極體/混合網路。The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model
本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。Predication of the insulation ageing for power capacitor according to the pole - to - case insulation partial discharge test
極對殼絕緣局部放電試驗對電容器絕緣老化的評定作用Carbon nanotubes ( cnts ) were activated by co2 and air under different durations, then were used in polarizable electrodes of electric double - layer capacitors ( edlcs )
摘要對碳納米管粉體在高溫下進行空氣和二氧化碳活化處理,並用於製作雙電層電容器極板。Conductivity is a important chemical quantum. in the method of electrod conductivity measure, the measure electrode behave as a complicated electrochemistry system during measure. the factors that infect the precise measure of conductivity is polarization effect, capacitance effect and temperature
電導率是一種很重要的化學量。在電極電導率測量法中,測量電極表現為一個復雜的電化學系統,影響電導率準確測量的因素主要有三方面:極化效應、電容效應和溫度。Polarized cartridge capacitance
極化極頭電容Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors
本論文中我們提出了將電池哈爾濱工程大學碩士學位論文的正極與電容器的負極結合成混合超級電容器的構想,並成功實現了二氧化錳正極和活性炭負極的組合,構成的錳碳混合超級電容器雙電極比容量可達到95 . 7f / g ,比活性炭超級電容器提高了2一3倍,單體工作電壓可以高達1 . 5v ,從而使能量密度提高到碳基超級電容器的十倍。In addition, based on the analysis of the change of inter - electrode capacitances as changing working condition, a sub - circuit model for a power mosfet is developed and all model parameters can be easily extracted by data sheet. conducted emi includes two modes : differential - mode ( dm ) and common - mode ( cm )
功率mosfet的開關動態特性主要受其極間非線性電容和外部工作條件的影響,在分析了功率mosfet在開關過程中各極間電容變化的基礎上,本文以小信號ldmos為內核,提出了子電路形式的功率mosfet高頻模型,所有的模型參數也都可以利用產品數據曲線獲得。1. polybenzidine ( pbz ) was polymerized by using chemical method in organic system and with ( nh4 ) _ 2s _ 2o _ 8 as oxidant, hclo4 as dopant. the electrochemical behaviors of pbz electrode were studied by cyclic voltammetry, charge - discharge test and electrochemical impedance techniques
1 .用化學直接氧化法在乙腈溶液中,以高氯酸為摻雜劑制備了聚聯苯胺,用循環伏安,交流阻抗,直流充放電對其電容行為進行了研究,聚聯苯胺電極比電容為150f / g 。Electrochemical studies revealed the the electrode prepared with such material exhibited a high specific capacitance of 341 f / g. the charge storage mechnism and the attribute to the measured capacitance were investigated
電化學測試表明,由材料制得的電極具有典型的電化學電容特性,單電極比電容量可高達341f / g ,主要以超電容形式存在。It shows that the charge - discharge performance of the battery, which is fabricated by casting the polymer electrolytes on the surface of the cathode directly then impregnating the composite electrode in liquid electrolytes for seconds, is much better than that of other batteries. the best battery , s charge - discharge current density is as high as 0. 33 ma / cm2, and its specific energy accesses to 110ah / kg. moreover its capacity remains 80 % of initial capacity even after 20 cycles
這種電池的充放電電流密度可達到0 . 33ma / cm2 ,比容量可達110ah / kg ,且在20次循環后,電池的容量仍能保持初始容量的80 % ,電池的充放電效率達到85 %以上,但是電池的本體電阻和電化學極化電阻比液態鋰離子電池高兩個數量級。分享友人