放電電阻 的英文怎麼說
中文拼音 [fàngdiàndiànzǔ]
放電電阻
英文
discharge resistance-
In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through
研究不同環醚對鋰電極的預處理作用發現， 1 ， 4 -二氧六環（ doa ）和1 ， 3 -二氧五環（ dol ）對金屬鋰電極的表面預處理均可以在金屬鋰表面形成一層良好的sei鈍化膜，對鋰金屬電極起到了保護性作用，使鋰電極具有較小的界面阻抗，有效地提高了金屬鋰電極的充放電循環效率，改善了鋰金屬電極在循環過程中的表面形貌;而doa和dol對金屬鋰電極的表面預處理，不會明顯的影響鋰電極的動力學性能。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。Incondition of surface anti - corrision and insulation coat of metal and tiny hole of steel where resistance and crack is very small, when supplying a high voltage, gas crack will be punctured and electric spark discharging will occur, now send a pulse signal to the alarming circuit the alarmer can send out sound and light to alarm. we can do leak hunting on the coating according to this principle
金屬表面絕緣防腐層過薄、漏鐵及漏電微孔處的電阻值和氣隙密度都很小，當有高壓經過時就形成氣隙擊穿而產生火花放電，給報警電路產生一個脈沖信號，報警器發出聲光報警，根據這一原理達到防腐層檢漏目的。Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops
為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。One way of explaining this is that pins configured as input make extremely small demands on the circuit that they are sampling, say equivalent to a series resistor of 100 megohms in front of the pin
我們可以這樣來理解，在取樣時，只需要在電路中通過非常小的電量，就好比在該介面前放置了100歐姆的電阻。2. aqueous solution electrolyte such sulphuric acid starts to decompose about iv or so, but nonaqueous solution such as 1 mol / 1 eunbf4 / pc ca n ' t decompose below 2 - 5v. at the same current, the capacity of capacitors with monaqueous electrglyte is higher than that of aqueous electrolytes, but the former have high internal resistance, the latter has low resistance but it erodes the systems
由於水系電解質h _ 2so _ 4的耐分解電壓只有1v左右，而非水系電解質1mol 1et _ 4nbf _ 4 pc的為2 . 5v左右，在相同的電流下充放電時，電解質為非水系電解質的電阻大，這樣增大了電容器的內阻；而水系電解質h _ 2so _ 4的電阻低，但是它腐蝕設備。However, by the time a lightning strike has traveled through the distribution network, surge arrestors will have dissipated a proportion of the charge, network impedance will have shaped the impulse and the residual energy can be represented in terms of its waveshape, and its peak current which is what will be present at a service entrance
然而，雷擊經過電力網路進行傳送以後，避雷放電器會將一部分能量泄放掉，網路的阻抗也會對電涌進行修整，而殘余的能量將可以以它的波形來體現，其峰值電流也就是建築物進入端將會出現的情況。Spatiotemporal correlation of filaments in ar air dielectric barrier discharge
介質阻擋放電絲的時空相關特性We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。Measurements of the electrical properties of electronic tubes. part 12 : methods of measuring electrode resistance, transconductance, amplification factor, conversion resistance and conversion transconductance
電子管電性能的測量.第12部分:電極電阻跨導放大系數變頻電阻和變頻跨導的測量方法Results showed that unilateral transection of the middle midbrain above the ventral tegmentum did not block the synchronized bursts on both sides ; however, the synchronized bursts disappeared after unilateral transection through the middle of the medial hypothalamus
結果顯示:在腹側被蓋以上橫向切斷單側中腦中部，不能阻斷雙側催產素神經元的同步化爆發放電;但是單側下丘腦中間內側部橫切則可阻斷這種同步化爆發放電。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。From the experiment we have found out that the carbon fibre can improve the anode performance when it was used as pam additive and meanwhile it can have some benefits to the anode life. when its content at 0. 2 - 0. 3 % in pam can achieve its best result and under this situation it can improve the utilization of pam by 5 % at different discharge current. carbon fibre and sulfate sodium is used as complex pam additive and its effect is better than that of carbon fibre which alone is used as additive
通過實驗我們發現，碳纖維作為鉛酸電池的正極活性物質添加劑能提高鉛酸電池正極的性能，並且對電池正極板的壽命有一定的好處，當碳纖維在正極活性物質中的含量為0 . 2 0 . 3能得到最理想的效果，這個時候能在各種不同的放電電流下提高正極活性物質的利用率5左右，並且能夠使極板的電化學阻抗降低。The valve has electro - continuity across the discharge path with a resistance of not more than 10 ohms
這種閥門具有穿過放電電路的電鍍連續性，具有不超過10歐姆的電阻。Dry, solid insulating materials - resistance test to high - voltage, low - current arc discharges
乾性固體絕緣材料.高電壓低電流電弧狀放電電阻試驗Conductive - path and discharge resistors for use in radio -, video -, or television - type appliances
收音機視頻機或電視類用具用的傳導路徑和放電電阻器Moreover, the impedance values decreased, the reactions became more easily, and the charge and discharge performance became better as the discharging potential decreased and the reactions also became easily as the cycling times increased
且隨著放電電位的降低，阻抗值下降，反應變的越容易，充放電性能越好，隨著循環次數的進行，反應會變得容易。The common adopted ways such as dc internal battery ohmic measurement, ac voltage drop internal battery ohmic measurement and inductance measurement don ’ t have a standard model and have obvious disadvantages and limited test range
就是現在行業內普遍採用的直流放電內阻測量法、交流壓降內阻測量法及電導技術測量法，都沒有一個統一的標準模型，差異性大，測試的范圍和評估準確性相對有限。Then the constant of peukert equation is calculated from the linear interpolation. simultaneity the characteristic curves of the battery capacity, electromotive force and inner resistance are fitted with least - squares. the maximal of relative error between the calculated values from the models and the experimental data is 2. 59 % under 50a discharge current
利用peukert方程的變形式，用線性插值法計算出鋰離子電池的peukert常數值；利用最小二乘法擬合了該動力電池的容量特性、電動勢和內阻特性曲線；在50a的放電電流下，數學模型的計算值與試驗結果的最大相對誤差為2 . 59 。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