電子吸收系數 的英文怎麼說

中文拼音 [diànzixīshōuxìshǔ]
電子吸收系數 英文
electron absorption coefficient
  • 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...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 吸 : 動詞1 （把液體、氣體等引入體內） inhale; breathe in; draw 2 （吸收） absorb; suck up 3 （吸引） a...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 電子 : [物理學] [電學] electron
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Their response is more closely related to the number of ionizing particles entering the tube than to the energy absorbed.

    它們的響應與進入計數器的致電粒子數目的關系，比響應與吸收的能量的關系更加密切。
  2. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  3. It has some advantages other than inorganic materials, such as quick response, large electro - optical coefficient, wide transparence, simple manufacture, low cost and easy for integration, etc. some pyridinium salts with " d - - a " structure have very excellent tpa and up - conversion fluorescence properties, so they are the possible candidates to be used to make tpa up - conversion dye lasers

    這類材料具有響應速度快、電光系數大、透光波段寬、制備簡單、成本低廉、易於集成等優點。 「 d - - a 」型的吡啶鹽系列染料具有非常優秀的雙光子吸收和激光上轉換性能，是雙光子上轉換激光器的候選材料。
  4. The results indicate that with increasing the thickness of fes2 thin films, the electrical conductivity, the carrier concentration and the absorption coefficient decrease

    結果表明，隨著薄膜厚度的增加， fes2的電阻率升高，載流子濃度下降，在高吸收區fes2薄膜的光吸收系數也呈下降趨勢。
  5. Fe layers of different thickness have been converted to fes2 thin films by thermal sulfidation. the influence of the thickness on the crystal structure, electrical resistivity, carrier concentration, absorption coefficient and energy gap of fes2 thin films have been investigated

    採用硫化不同厚度的fe膜制備了不同厚度的fes2薄膜的方法，研究了不同厚度fes2薄膜的晶體結構、電阻率、載流子濃度、光吸收系數以及禁帶寬度。
  6. On one hand, the problem of " big horse pulls little wagon " is resolved and the working efficiency of motor is improved by optimizing way to control the stator ' s voltage ; on the other hand, an energy automatic processing system of " electric motor generates electricity " is developed, in which, the energy of the feedback of motor generating electricity is processed duly and correctly through real - time switch control of the generating electricity absorbing energy cell and is used at wellhead instead of returning power net

    本課題運用新型電力電子技術和計算機控制技術研究開發了一種電機功率因數自調整及節能控制系統，一方面通過對定子電壓的尋優控制，解決了「大馬拉小車」問題，改善了電機的工作效率；另一方面開發了一種電機「倒發電」能量自動處理系統，通過倒發電吸收單元的實時切換控制，將倒發電反饋的能量及時準確地進行處理，使其在井口利用不返回電網。
  7. This thesis contributed to the comprehensive study of the finite - difference time - domain ( fdtd ) method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. the work includes mainly three parts : the study on the performance of pml absorbing boundary condition applied to pseudo low frequency electromagnetic problems ; the validation of the fdtd method with pml absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ; the development of an improved alternating direction implicit finite - difference time - domain method

    在綜合前人工作基礎上，本文對時域有限差分（ fdtd ）法及其在開關電源輻射電磁場數值計算中的應用進行了系統的分析和研究，其核心內容包括：偽低頻電磁場數值計算中pml吸收邊界條件性能的研究；基於基準問題?電偶極子天線三維輻射電磁場，驗證了本文構造的基於pml吸收邊界條件的三維fdtd法及其計算軟體，並應用於高頻開關電源輻射電磁場的數值分析；提出了一種改進的交替方向隱格式時域有限差分法。
  8. It also makes certain of the best parameters for esr measurement of alanine film dosimeter, which is produced in big batch by extruding, 30 x 7. 5 x 0. 2mm3 in dimension, and it ' s batch homogeneity is better than 0. 7 %. it ' s useful dose range is about 20 - 3 x 105gy and linear range is 102 ~ 104gy

    目前該體系的有用劑量范圍為20 3 105gy ，在線性劑量范圍10 ~ 2 10 ~ 4gy內， esr響應值與吸收劑量呈良好的對數線性關系，對60co射線照射其劑量響應線性好於0 . 9999 ，對電子束照射則好於0 . 9995 。
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