polarization current 中文意思是什麼

polarization current 解釋
極化電流
  • polarization : n. 1. 兩極分化。2. 【物、天】極化;極化強度。3. 【物理學】偏振(化)。
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  1. Having soochow industrial park as a case, this study made an inquiring investigation and calling talk to some white collar working in the park. from the sight of the white collar, based on the investigation data, this study analyze the affect factors to white collar ' s position obtaining, meanwhile, analyze the current condition of the industrial white collar ' s mobility, including the ways of searching chance, cause and result of mobility, and obstacle of mobility. beside it, this study discussed the industrial white collar ' s mobility mode and the trend of polarization

    本研究以蘇州工業園區為個案,以企業白領為研究的視角,運用問卷調查和訪談相結合的方法,對企業白領群體的形成以及企業白領的地位獲得進行了分析;具體分析了企業白領的流動情況,包括企業白領尋找流動機會的途徑、流動的原因、流動的結果、流動過程中存在的障礙和問題等;同時探討了企業白領的流動模式與企業白領分化的趨勢。
  2. This paper renewed the research progress of almond biology, summarized and analyzed the current status of polarization, pollination and fructifications. suggestions were put forward on further research directions

    摘要闡述了近年來扁桃生殖生理研究的新進展,就扁桃的花芽分化、開花授粉、坐果等方面的研究現狀進行了總結和分析;提出了今後扁桃生殖生理研究的方向和建議。
  3. In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation

    本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。
  4. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中,納米晶銅的腐蝕電位比微米晶銅要負,並且隨著晶粒尺寸的減小而降低。 eis研究表明,未退火的和180退火的納米樣品中發現了擴散阻抗,與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高,而極化電阻要低。
  5. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    ( 1 )研究了氟硼酸體系電鍍pb - sn合金鍍層的電解液組成,詳細討論了主鹽濃度、游離酸濃度以及阻化劑、抗氧化劑、表面活性劑等添加劑對氟硼酸體系電沉積pb 、 sn及pb - sn合金陰極極化曲線的影響和對pb - sn合金鍍層中合金含量的影響。
  6. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上,從電導測試技術的原理性研究出發,分析了採用交流激勵源、兩電導電極為傳感器的傳統電導測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓激勵、以四電導電極為探頭、運用單片機進行溫度自動補償的新型電導率測量系統。
  7. The action of the combined brightener was studied by hull cell test, the determination of cathodic current efficiency and polarization curves

    通過赫爾槽試驗,電流效率及陰極極化曲線的測量研究了該光亮劑的作用效果。
  8. During the formation, the positive plates with red lead and bapbo3 additives are easier formed than that without additive, so the current and potential distributions on the plates with additives are more uniform than that without additives in the early stage of the formation. these distributions on the plate with red lead are the most uniform, and the polarization is the smallest

    在正極板化成過程中,含紅丹和鉛酸鋇鉛膏的正極板比不含添加劑的正極板更容易化成,所以在化成初期含添加劑正極板的電流密度和電位分佈比不含添加劑正極板上的電流密度和電位分佈更均勻。
  9. The polarization properties of zf1 magneto - optic glass fiber are studied by experiment and the sources of errors are analyzed. we draw a conclusion that magneto - optic glass fiber is applicable to be made into all - fiber current transducer to measure electric current and magnetic filed

    實驗研究了zf1磁光玻璃光纖的磁致旋光效應,分析誤差的來源,得出磁光玻璃光纖應用在全光纖電流傳感器中的可行性的結論。
  10. Polarization curve experiment showed that the cathode polarizing of the current collector with surfactant increased in alkaline solution

    極化曲線證明,集電體表面吸附有機活性物質后使陰極析氫反應的極化增大。
  11. Alternating current induced polarization method

    交流激發極化法
  12. It is found that the current amplification coefficient strongly depends on the spin polarization of the electrons injected from the emitter to the base, the spin relaxation time and the width of the base

    自旋晶體管中的電流放大系數主要取決于注入基區的自旋極化電子的極化程度,基區中自旋的馳豫時間及基區的寬度。
  13. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。
  14. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成,左右二邊是對稱的,所以整個電路構成了一個四象限變換器,我們可以恰當控制各功率管的開、關,使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波,使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形,這樣,負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出,正好可以消掉直流偏置,最終在負載r1上得到的就是正弦波。
  15. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗(包括掃描法和臺階法)中,致鈍電流雖晶粒尺寸減小而增大,而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕,微米晶銅表面的均勻腐蝕,和兩種銅表面破碎的鈍化膜。
  16. Experimental results showed that the bond strength degraded as the charging current density and the polarization time increased basically

    實驗結果顯示出基本上隨著外加電流密度與通電時間的增加,介面握裹強度的折減就越明顯。
  17. And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete

    本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象,採用濕通電法對鋼筋混凝土進行加速銹蝕,同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試,分析銹蝕參數的變化規律,並通過測定cl -擴散系數來評價其抗滲性。
  18. But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too

    摻入碳納米管對儲氫合金電極的容量影響較小,但其電化學性能卻有較大的改善,主要體現在:充電的極化減小,放電平臺更加平穩、循環伏安曲線的峰值電位隨掃描速度增大的遷移量減小,交換電流密度增大,電極的歐姆電阻、電化學反應、擴散電阻和吸附電阻均減小。
  19. In neutral solution containing chloridions, the nc copper has a more positive corrosion potentialanodic polarization test revealed that the nc copper has a lower passivation potential, critical current density and passivation current density

    Eds分析表明納米晶銅蝕孔中的s和cl含量遠高於表面。在中性含氯溶液中,納米晶銅的腐蝕電位比微米晶銅高300mv 。
  20. The main works are listed as follows : ( 1 ) based on the excitation of bi - directional current pulse technique, a new measuring circuit for weak variation of resistance was proposed for electrical resistance tomography. traditional ac current source is n ' t adopted as the exciting source. through fast bi - directional current switching, the polarization effects are eliminated

    該電路主要優點如下:該電路沒有採用傳統的交流電流激勵法作為系統的設計原理,而是通過快速的正負極性電流切換來削弱直流電流激勵時激勵電極的極化效應,使通過直流法來測量氣液兩相流的電阻微弱變化成為可能。
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