電壓下降 的英文怎麼說
中文拼音 [diànyāxiàjiàng]
電壓下降
英文
ir-drop-
On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation
接著採用sio2作為鈍化膜,從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果,結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低,這開路電壓的提高主要來源於降低了前表面復合。It has been found that all the elements in the addition act respectively in the way that affect the material ' s properties during the calcining process and the increase of the pms / pzn ratio can weaken the stability of the crystal structure of the sintered ceramics and cause the crystal structure transformation from the tetragonal to the rhombohedral as well
發現多元壓電陶瓷材料中,無論是主加組元還是微量摻雜,預燒階段,它們在陶瓷中的作用都表現為單獨離子對陶瓷結構和性能所起的作用。燒結后,隨著pms pzn相對量的提高,陶瓷晶體結構由四方相向三方相轉化,同時穩定性下降。Using the rock resistivity meter with simulating in - situ conditions, the relations between rock resistivity and temperature were observed from 6 sandstone samples with different porosity and permeability, while samples were brine water - saturated and subjected to certain confining pressure. it is found that the resistivities of water - saturated rock samples decrease in the form of power expression with the temperature increase. although the resistivity of brine water decreases with temperature in the same rule, it can not entirely account for the decreasing of rock resistivity. the cementation factor
利用模擬地層條件巖芯電阻率測量儀,對6塊孔隙度滲透率各不相同的砂巖巖芯,在一定圍壓條件下,巖芯完全飽和鹽水時,考察了巖芯電阻率隨溫度的變化。發現飽和鹽水巖芯的電阻率隨溫度升高,以冪函數形式下降。雖然巖芯中飽和鹽水的電阻率同樣隨溫度以冪函數形式下降,但巖芯電阻率的下降不能完全用巖芯飽和鹽水的下降表徵。Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。Legislator eric li, convenor of the breakfast group and representative of the accounting sector in the legco, warned that the linked exchange rate would be under pressure in the next five years. moreover, the recent rise in the long - dated forwards was a signal of banks hedging their risks on hong kong assets. if the budget deficit continued and the fiscal reserves kept decreasing, the long - term pressure on the hong kong dollar would become short term
早餐派召集人、代表會計界的議員李家祥(見圖)警告,這5年內聯系匯率會有壓力,而最近遠期美電扯高,是銀行把資產轉移以避險的訊號,若果香港財赤繼續,儲備不斷下降未能止血,港元的壓力便會由遠期變成近期,到時不單令信貸評級上升,令投資成本增加外,更令港元成狙擊對象。At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique
最後,根據單周控制的基本思路,改進了單周控制的全橋開關功率放大器的控制電路。模擬結果表明,改進控制電路后的系統不但解決了輸出直流偏置問題,而且解決了電壓補償方法所造成的放大器增益下降問題。Conventional hard switching technology has several flaws below : on and off loss, inductive off, capacitive on and diode recover problems. comparing with it, the loss of on and off decreases markedly, as the switches are on and off in zero voltage or zero current cases. and also the size of converter becomes smaller because of the higher of switching frequency
傳統硬開關技術由於存在開通關斷損耗大、感性關斷、容性開通、二極體反向恢復等問題,與之相比,軟開關技術在零電壓或零電流條件下導通,開關損耗明顯降低,加上開關頻率的提高使得變換器的體積得以減小,這也是軟開關技術受到青睞的原因。By recharging voltage recharge current vary, and as for the recharge gradually increases, not because of battery heating period and declined slightly
充電電壓因充電電流不同而異,並隨充電的進行而逐漸上升,到未期因電池發熱而略有下降。The process of storage batteries voltage and capacity for self - discharge will be reduced
電池在貯存過程中電壓和容量會因自放電而下降。Voltage dip voltage dip is the dip in voltage that results when a load is added, occurring before the regulator can correct it, or resulting from the functioning of the voltage regulator to unload an overloaded engine - generator
電壓暫降電壓暫降是在負荷增加而調整器還未能進行校正時、或電壓調整器正在為過載的發動機卸載時出現的電壓下降。After moving some key obstacles, the author has realized a prototype lvc dvr. the effectiveness of dvr is illustrated by the compensation experiment
論文利用研製的樣機進行了靜態電壓低下、動態電壓暫降、系統三相不平衡等常見電能質量問題的補償實驗。Jedec ? the input threshold voltage when the input voltage is falling
在輸入電壓下降時的輸入門限電壓。Moreover, chloride channel blockers, dids and sits, also significantly prevented sts - induced neuronal cell death. with whole - cell patch - clamp recordings, we found chloride channel currents increased significantly with time when holding potential at 60mv and 80mv after 5min and 10 min of sts exposure. these results indicate that potassium channel, especially bk channels, and chloride channel contribute to sts - induced neuronal apoptosis and apoptotic volume decrease, which is probably one of the mechanisms underlying mediation of neuronal apoptosis by potassium channel
用斜坡電壓模式記錄的結果顯示, 10min內正常細胞在鉗制電壓下電流未發生明顯變化,氯通道阻斷劑dids可以抑制所記錄到的電流,加藥10mln就使電流峰值降低到原來的36 % ,向浴槽液中加凋亡誘導劑stssmin后, + 8伽mv鉗制電壓下電流即增大,為加藥前的131 . 3 % ,加藥后10min電流進一步增大,是加藥前的巧5 . 9 % ,而且電流隨時間延長具有繼續增大的趨勢。In the research and preparation procedure, it probes into electric field dynamic impedance variation rules, summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage, putting forward and realizing constant spark rate operation mode, in fiashover treatment adopting method of small descending amplitude, speedy picking up speed, and unlocking silicon controlled rectifier
在研製過程中探索了電場動態阻抗變化規律,總結出一套識別火花臨界點的方法,解決了探測電場少火花的技術關鍵,實現了逼近擊穿電壓下少火花運行控制功能,提出和實現了恆定火花率運行方式,在閃絡處理上採取下降幅度小、回升速度快、不封鎖可控硅的方法。Characters including : fuel atomization device replaced by gas sprayer, gas supply controlled by gas flux valve ; separate fuel supply from combustion - supporting air, regulate air supply through changing the electioneering voltage to make the fully burning and improve efficiency and reduce fuel consume ; arts and crafts are simple, the modification of the oil heater ' s configuration is little and the heating power is not below the oil heater ' s level ; because of falling the voltage of electioneering, greatly descend the noise of the sample machine compared with the original
其特點是:以燃氣噴頭替代原機燃油霧化裝置;以燃氣流量控制閥控制燃氣的供給;燃氣的供給與助燃空氣的供給相分離;通過改變主電機的電壓,調整空氣的供給量,使燃燒更加充分完全,並進一步提高了熱效率,降低了燃料消耗;工藝簡單,對原機型改動較小;樣機的加熱功率不小於原機型水平;此外,由於主電機電壓的降低,使樣機的整機噪聲比原機大大下降。The results show that the exhaust fan current increases with frosting enhancement, while the increasing speed gets slower in the end of frosting, and the curves of current are slightly different at different voltages ; that the evaporation temperature decreases with frosting enhancement, and the decreasing speed becomes increasingly faster ; and that misoperation of defrosting can be avoided by using the intelligent defrosting control method based on exhaust fan current combined with evaporation temperature presented according to the experimental results
結果表明,排風機電流隨結霜厚度的增加而增大,增加速率在結霜後期趨緩,不同電壓下電流變化曲線略有不同;蒸發溫度隨結霜厚度的增加而降低,下降速度越來越快;使用根據實驗結果提出的基於排風機電流和蒸發溫度聯合控制的智能除霜方法可以基本避免誤除霜動作。In contrast to pulsed discharge without preionization, the working voltage of the laser falls about 20 % and the electro - optical efficiency is improved approximately 30 %
和無預電離的脈沖放電相比,激光器的工作電壓下降了大約20 ,電光轉換效率提高了大約30 。Line voltage drop
線路電壓下降They discovered a drop in pressure in the fuel cells that supplied electricity
他們發現供電的燃料電池電壓下降。Quick summary totals all the surge, sag and impulse events and displays all of their occurrences individually in a bar graph format
總計了所有電壓起伏、電壓下降和脈沖等項目及顯示所有獨立發生事件于棒形圖。分享友人