電流衰減 的英文怎麼說
中文拼音 [diànliúshuāijiǎn]
電流衰減
英文
current attenuation- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 衰 : 衰動詞(衰弱) decline; wane
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
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There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines
發生斷線故障以後,線路中會出現負序電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障時負序基波電流的相位特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且衰減很快。Measurement of minority carrier life time in germanium by photoconductive decay method
用光電導衰減法測定鍺中少數載流子壽命Standard test methods for minority carrier lifetime in bulk germanium and silicon by measurement of photoconductivity decay
硅和鍺體內少數載流子壽命測定光電導衰減法The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size
結果表明: mh電極中加入納米鎳粉對負極的大電流放電性能不利。 mh電極中加入超細鎳粉后電極綜合性能好,尤其是1c循環穩定性,其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用率、質量比容量、體積比容量,但增大了負極1c容量衰減率,因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定性。Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system
以蒸發波導為代表的對流層大氣波導傳播,可使電波在較小的衰減下沿波導傳播得很遠,從而嚴重影響合適的無線電系統。Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for
目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理控制系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射頻加解擾系統(群加群解、分兩段、按頻道單解) ;視頻數字分段加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微波)系統;通用型防雷供電器,射頻自動控制供電器,可尋址控制供電器;電源防雷保護產品;過流分支、分配器,分流器、陷波器、電源插入器,衰減器、均衡器等。The optical rotation in er fluids is studied thoericaly. considering the different attenuation in different direction and the theory of light transmission, i derive the expression of rotation angle as function of the angle 6 ( between the electric vector of linearly polarized light and electric field ) and other parameters on the condition of several appropriates and assumptions
考慮電場作用下電流變液中不同振動方向的線偏振光衰減不同,根據光波在介質中的傳播理論,推導出光通過電流變液的旋光角與(入射線偏振光振動方向與外加電場方向的夾角)及其它參數的關系表達式。The silicon controlled trigger and it s auxiliary circuit could regulate simultaneously the controlling coil current of four series - parallel connected powers, so the purpose of making four powers output in step with was achieved, and the process of increasing progressively current after lighting arc and weakening current after going out arc was realized
利用可控硅觸發器及輔助電路可以同時調節串並聯在一起的四臺電源控制線圈的電流,達到四臺電源同步輸出的目的,並且實現了等離子弧噴塗引弧時電流遞增和熄弧時電流衰減的過程。Circuit analysis sub - system adopts the newly advanced methodology, circuit topology analysis, and circuit sensitivity analysis to generate layout constraints and control performance degradations
電路分析子系統採用新提出的信號流分析方法再結合已有的電路拓撲分析和電路靈敏性分析方法生成布圖約束控制電路性能的衰減。Welding current downslope time
焊接電流衰減時間Measuring of minority - carrier lifetime in silicon single crystal by photoconductive decay method
用光電導衰減法測量硅單晶中少數載流子的壽命Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals
純金屬電阻率與剩餘電阻比渦流衰減測量方法The reaction mechanism for methanol oxidation at pt / moox / gc composite electrode involved the proton spillover effect from hydrogen molybdenum bronze, and a bifunctional reation mechanism for methanol oxidation by providing a hydrous molybdenum oxide to oxidize the intermediates, coads, for keeping cleaning platinum surface and make it easier for methanol to be oxidized on the clean platinum
通過計時電流圖中的電流衰減情況和cv實驗結果比較可得出, pt moo _ x gc電極催化劑具有一定的抗- co -中毒性能。 pt moo _ x gc的甲醇氧化機理是通過提供水合的氧化物來提高抗co中毒催化性能和質子溢出效應,從而加快甲醇氧化速度的。We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry
根據太陽電池的工作原理,詳細地論述了用脈沖光源照射n / p結太陽電池時光電壓的產生,理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系,也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系,推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公式。Combined with the problems during the experiment, design a improved testing circuit of direct current attenuation method
結合試驗過程中遇到的問題,給出了改進的直流衰減法測試電路。The investigation of the measure principles of direct current attenuation method, voltage integral method, and direct load method
較為深入的研究了直流衰減法、電壓積分法和直接負載法的測試原理。Compared with the traditional curve - based method, this method can calculate the currents with high accuracy and little user effort. it can automatically calculate the periodic components of varying short circuit currents at anytime, and the aperiodic components of the symmetric short circuit currents
該計算機演算法大大減輕了傳統運算曲線演算法的工作量,且具有較高的準確度,能夠自動完成系統短路時任意時刻電流衰減周期分量的求解,及對稱短路時短路電流非周期分量的求解。Setting the current rising and reducing device. the time can be adjusted
設有電流上升、電流衰減自動裝置,時間長短可調。Based on the application studies of pcm, dcvc, cips and scm in protective coating for long - distance buried pipeline and the characters of long - distance buried pipeline in shandong, the synthetic inspection technology of protective coating for long - distance buried pipeline is proposed
摘要通過對電磁電流衰減法、直流電位梯度法、密間距電位測試技術、雜散電流測試儀在埋地長輸管道外防腐層檢測上的應用研究,並根據山東省埋地長輸管線的分佈特點,提出了聯合檢測方法。The equipments and methods were on the level of manual operation, hi this paper, author paid a systemic research into three kinds of measure means : direct current attenuation method, voltage integral method, and direct load method ; theoretically analyzed the measure methods of synchronous armature reaction reactance, and even developed a test system to automatically measure the synchronous armature reaction reactance
作者對直流衰減法、電壓積分法和直接負載法這三種測試方法的測試原理進行了較為深入、系統的研究,從理論上分析了同步電樞反應電抗參數的測試方法,並在此基礎上開發出能夠自動進行同步電樞反應電抗參數測試的系統。分享友人