放大恆量 的英文怎麼說
中文拼音 [fàngdàhéngliáng]
放大恆量
英文
amplification constant-
The discharging capacity of single aluminum / air battery was over 40ah with 4a, and the output power of aluminum / air battery pack was as high as 110w
鋁空氣單電池，恆流4a放電，放電容量超過40ah ；鋁空氣電池組的最大輸出功率超過110瓦。This measurement amplifier with relay outputs works as a uniform voltage amplifier for strain gauge measuring bridges
這款測量放大器帶有繼電輸出，它像恆定電壓放大器那樣工作，用於應變測量電橋。As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system
功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery
同時本論文還設計了一套功能齊備的蓄電池智能管理系統，針對蓄電池管理中的充電管理和剩餘時間預測進行了改進，提出：在恆流充電時，根據麥斯三大定律，改變恆流充電時的恆流值，使恆流充電「不恆流」 ，而是根據放電的不同情況進行充電，充分提高充電速度，同時又不損傷電池活性物質；不再進行剩餘容量預測，而是進行剩餘時間預測，提供更加切實可行的信息，並且提出了一種簡單易行的剩餘時間預測的方法，給出了預測實驗的結果。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 。Researching and analyzing on the test results of the influence of atmospheric parameters on outer insulation discharge voltage and its various emendation methods, it can be concluded that : with the change of relative air density, its humidity ratio h / ? will also change even though the absolute vapor mass ( absolute humidity h ) of the air is constant. consequently, the influence degree of the humidity on the discharge voltage should change, too
本文通過對以往的大氣參數對外絕緣放電電壓影響的試驗成果及各種校正方法的研究分析認為：隨著相對空氣密度的變化，即使空氣中所含水氣的絕對質量（絕對濕度h ）保持恆定，其比濕h也會變化，必然地，濕度對放電電壓的影響程度也會變化。A series of experiments were conducted to research on electrode according to the principle of energy - storage materials, electroly tes, preparation techniques with the aids of the measure methods such as cyclic voltammetric measurements ( cv ), constant charge / discharge measurements, impedance spectrum, x - rays diffraction ( xrd ), transmission electronic microscope measurements ( tem ), and so on
本文採用了循環伏安、恆電流充放電、交流阻抗、 x射線衍射、透射電子顯微鏡等實驗方法和測試手段對超大容量電容器的電極活性物質材料及電極製作工藝、電解質溶液的選取等問題展開了一系列研究。This article analyzes the characteristics of permafrost earth, establishes mathematical model of earth thermal transfer, which consists of thermal transfer equation in thaw zone, the conservation relationship of heat quantity transferring from pipeline to earth and from earth surface to atmosphere, earth temperatures at thaw zone interface, heat transfer condition of solid phase changing into liquid phase at phase interface
文章分析了永凍土的特點，建立了永凍土地帶土壤傳熱數學模型：融化圈內外傳熱方程、管道向土壤和土壤表面向大氣所放熱量的守恆關系、融化圈界面處土壤溫度、相變界面處固相變為液相的傳熱條件。The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique. the hardware is composed of single - chip microcomputer module and electrochemical module. the single - chip microcomputer module can be divided into five parts, cpu circuit, a / d and d / a circuit, peripheral memory circuit, i / o interface circuit, distributing address circuit ; the electrochemical module is made up of potentiostatic circuit, galvanostatic circuit, potentiostatic - galvanostatic ( p - g ) conversion circuit, signal measuring circuit. the software of the meter is edited by c51 language, it is well - structured and module. all program modules have been linked into an executable files after compiled separately, then copy to eprom
恆電位控制下的恆電量智能化腐蝕監測儀採用基於mcs - 51單片機技術的智能化設計，儀器硬體由單片機系統模塊和電化學介面模塊組成，單片機系統模塊包括cpu電路，片外存貯器擴展電路，模數和數模（ a d和d a ）電路，輸入輸出（ i o ）介面電路，地址分配電路，各電路模塊通過系統總線交換信息；電化學介面模塊主要由恆電位電路，恆電流電路，恆電位-恆電流（ p - g ）轉換電路，信號放大與採集電路組成。Its electrochemical properties were studied by means of galvanostatic discharge and linear sweep voltammetry experiments. agcuo _ 2 shows the better discharge property in alkaline electrolyte than emd
恆電流放電測試結果表明在不同放電制度下， agcuo _ 2的放電容量均遠大於emd的理論放電比容量。While testing ofeis at different depth of dischargeand charge - discharge at different charge - discharge rate reveale that, these material indicate lower conductivity at highcharge - discharge rate, resulting in bad electrochemical perforemence. melting - cooling and inorganic sol - gel were adopted, which facility - simpleand operating - easy, to prepare v _ 2o _ 5 xeroxes as positive material of li - ion battery. the comparision of structual and electrochemical performance between thesecathode materials were investigated for the first time. their electrochemicalbehaviorswerestudiedbygalvanostaticcharge - discharge, cyclicvoltammetry ( cv ), and electrochemical impedance spectroscopy ( eis ) techniques. the results indicte the sample that prepared by melting - cooling revealed moreexcellent performance at low charge - discharge rate, which achieved a high initialdischarge specific capacity of approximate 320 mah ? g - 1
通過各種充放電測試，循環伏安（ cv ）曲線以及電化學阻抗譜（ eis ）等測試手段對材料的電化學性能進行表徵，結果發現，在低倍率放電下，熔融淬冷法合成的材料具有更好的電化學性能， 0 . 1c恆流放電至1 . 8v時首次放電容量達320mah ? g - 1 ，並且發現， v _ 2o _ 5作為正極材料組裝成的鋰離子二次電池，除首次循環具有較大的不可逆容量外，其餘循環可逆且容量保持能力較好， 20次循環后，容量只衰減了6 . 40 % 。As the temperature of pyrolysis and the soak time increasing, the carbon materials become more stacked, the specific surface area reduces, both reversible capacity and irreversible capacity decrease, the initial coulumbic efficiency increases, and the hysteresis in the voltage profile between charge and discharge is cut down
隨著熱處理溫度的升高和恆溫時間的延長，所得炭材料的有序化程度增加，比表面積減小，可逆嵌鋰容量與不可逆容量均減小，首次充放電效率增大，電壓滯后現象得到抑制。The electro - chemical measurement system used to perform dpsv measurement is constructed with two parts, a low - current measurement system consists of low input bias current operational amplifier and a high resolution sar adc and a potentialstat consists of high resolution dac and high current buffer amplifier
對于微分脈沖伏安溶出測量，我們使用高精度高速saradc和低偏置電流運放構成微電流采樣系統，使用高精度dac和高速大電流緩沖放大器設計了恆電位計，並與微控制器共通組成電化學測量系統。Their detailed origin remains unknown. that doesn t stop the astronomers from guessing though ! amongst the candidates are the collapse of supermassive stars over 60 times the mass of the sun, mergers of two neutron stars, or conversion of a neutron star to a strange star
另一方面，伽瑪射線爆發是發生在宇宙深處一種最強烈的爆炸，雖然至今而人們還未弄清它們的來源，但是這並沒有令天文學家放棄推測，其中的一些猜想，包括比太陽質量大60倍的巨型恆星正在塌縮兩顆中子星合併，或是中子星變為奇異星。It is not a great deal of energy ? equivalent to about 109 joules per kilogram of hydrogen, much less than the 1015 joules released by the nuclear fusion of the same amount of hydrogen
這能量其實沒有多大游離每公斤的氫需要約109焦耳的能量，遠低於等量的氫進行核融合所釋放出的1015焦耳，所以就算宇宙中只有百萬分之一的氫在恆星內進行核融合反應，也能產生足夠的能量把剩下所有的氫給游離掉。The task of holding global emissions constant would be out of reach, were it not for the fact that all the driving and flying in 2056 will be in vehicles not yet designed, most of the buildings that will be around then are not yet built, the locations of many of the communities that will contain these buildings and determine their inhabitants ' commuting patterns have not yet been chosen, and utility owners are only now beginning to plan for the power plants that will be needed to light up those communities
維持全球排放量恆定的任務，仍然是有希望的，因為2056年的行駛與飛航交通工具尚未設計出來，大部份新式的建築物今天還沒有建造，這些建築物所在的許多社區，還有居民的通勤模式也還沒決定，此外，電力公司最近也才開始規劃點亮這些社區所需的發電廠。分享友人