backward voltage 中文意思是什麼
backward voltage
解釋
反向電壓-
Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。 -
Instantaneous propagation of the voltage sum of forward wave and backward wave, namely the standing wave, is not standing still except in case of total reflection
傳輸線上瞬時弦波電壓等速傳播之正向波與反向波合成之駐波，除非是全反射，並非如其名稱停駐不前。 -
The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network, a novel layer - by - layer backward / forward sweep method id developed. the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches, that greatly increases the speed of load flow calculation
其主要內容如下： （ 1 ）針對配電網路的樹狀結構和層次特性，研究了一種新穎的分層前推回代潮流演算法，該演算法不需要網路節點和支路的特殊編號，可以并行計算同一層次所有支路的功率損耗和電壓損耗，從而大幅度提高了潮流的計算速度。 -
The density of its field emission catelectrode tip is about 24000tip / mm2, the onset emission voltage is 0. 5 ~ iv, the backward voltage is larger than 25v, the current of single tip is 0. 2na, the sensitivity is 98. 5mv / bar
其場致發射陰極錐尖陣列密度達24000個mm ~ 2 ，起始發射電壓為1 5v ，反向電壓25v ，當正向電壓為5v時，單尖發射電流為0 . 2na ，壓力靈敏度為98 . 5mv bar 。 -
After simulating the reverse recovery voltage and current characteristics, the forward and backward i - v characteristics and temperature characteristics with medici, the optimal design to some key parameters is proposed
在利用medici對它們的反向恢復、 -特性和溫度特性等進行模擬后及分析后，又給出?基區漸變摻雜厚度、方式以及臺面模型等參數的優化設計過程。 -
Intellect charge : the battery charger is using slice of flower to control charge that has constant current, constant voltage to charge, short current protection, turn lamps function and prevent to flow backward function
智能充電:充電器採用晶元控制充電，具有恆流，恆壓充電，過充保護，短路保護，轉燈功能，防倒灌保護功能。
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