mev 中文意思是什麼

mev 解釋
MEV, Mev, mev, m. e. v. 動詞 = million electron volts 兆電子伏(特),百萬電子伏(特)。

  1. Alpha particles emitted by radioactive nuclei have energies of a few mev.

    由放射性原子核發射出的粒子能量一般為幾個Mev。
  2. Study on the shielding material of 14 mev neutrons collimation based on mcnp

    中子準直屏蔽材料的研究
  3. In calculating, we found the equilibrium processes were dominative and the pre - equilibrium processes were subordinate for reaction processes of n + 112120sn at incident neutron energies below 20 mev. since the recoil effect is taken into account, the energy for whole reaction processes is balance

    在計算中我們發現,對于反應n + ~ ( 112120 ) sn當入射中子能量小於20mev時,在整個反應過程中平衡態發射佔主要部分,而預平衡態發射只佔次要部分。
  4. The relative biological effectiveness of 0. 5 mev neutrons to induce micronuclei in the root - tip cells of onion seedlings after irradiation as dry dormant seeds

    單能中子照射洋蔥干種子后在根尖細胞內誘發微核的相對生物效應
  5. E 0, 15mev evaluation of surface contamination. part 3 : isomeric transition and electron capture emitters, low energy beta - emitters e beta max inferior to 0, 15 mev

    表面污染的評估.第3部分:同質異能躍遷和電子俘獲發射器,低能量發射器
  6. As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow

    研究表明k ~ +集體流在相對論重離子碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核子和k ~ +介子的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。
  7. Signal processing system for beam position monitor at hls 200 mev linac

    直線加速器束流位置測量的信號處理系統
  8. There appeared to be no gross distortions of the neutron spectrum expect at energies below 2 mev.

    除了2兆電子伏以下的能量外,中子譜似乎不存在顯著的畸變。
  9. Physical design of 2 mev standing wave accelerating tube

    駐波加速管物理設計
  10. Design and implementation of control system for 4 mev lia

    直線感應加速器控制系統設計與實現
  11. Verification scheme of measuring instruments for 14 mev neutron absorbed dose

    14mev中子吸收劑量計量器具檢定系統
  12. Alpha particles emitted by radioactive nuclei have energies of a few mev

    由放射性原子核發射出的粒子能量一般為幾個mev 。
  13. Test method for oxygen content using a 14 - mev neutron activation and direct - counting technique

    使用14兆電子伏特的中子活化和直接計數技術測定含氧量的試驗方法
  14. 0. 15mev evaluation of surface contamination. part 1 : beta - emitters maximum beta energy greater than 0, 15 mev and alpha - emitters

    表面污染的評價.第1部分:放射源
  15. The scintillation csi was also calibrated with protons of 15, 20, 23 mev. the average energy calibration is 1. 047 mev per channel. energy calibration for heavy ions was completed with multiplication factor 1 / 12. 75

    根據能量刻度實驗的結果,我們對四種帶電粒子進行了測試,方法是首先計算粒子的總能量,確定該粒子所屬的能區並計算e ,根據e一e方法來鑒別帶電粒子的種類。
  16. The irradiation experimental results show that the resolution of thin detector e1 is higher than that of other thick detectors for ex - particles and protons detection. energy calibration for a - particles was completed with multiplication factor 1 / 3. energy calibrations of a - particles in detector e1 and e1, are 0. 107 mev and 0. 123 mev per channel, respectively

    質子能量刻度採用1檔,每道能量h約在0 . 0167mev道,但是在e _ 1探測器中的能量刻度隨著能量的增加略有所下降,這是由於高能質子伴隨有較多的核反應道對粒子探測產生了干擾,從而增加了在e _ 1探測器中的能量沉積道數,使得每道能量略有所下降,另一個因素可能是探測器厚度的不均勻性的影響,但這並不影響對粒子的鑒別。
  17. Zinc oxide ( zno ) is a wide band - gap semiconductor, 3. 37 ev at room temperature, with the high exciton binding energy of 60 mev

    Zno是一種寬帶隙半導體材料,室溫下它的能隙寬度為3 . 37ev ,激子束縛能高達60mev 。
  18. Dongxu zhao ( condensed matter physics ) directed by prof. dezhen shen and prof. yichun liu zinc oxide ( zno ) is a wide band - gap semiconductor ( 3. 37 ev at room temperature ) with the high exciton binding energy of 60 mev

    = zno是一種寬帶隙的半導體材料,室溫下它的能隙寬度為3 . 37ev ,激子束縛能高達60mev 。
  19. We obtained a high quality zno thin film with the pl fwhm of 94 mev at 900. the free exciton binding energy deduced from the temperature - dependent pl spectra is about 59 mev at 900, suggesting that the film quality can be improved by annealing process

    當退火溫度為900時獲得了高質量的氧化鋅薄膜,光致發光譜的半高寬為94mev ,通過變溫實驗得到激子束縛能為59mev ,表明退火過程提高了薄膜的質量。
  20. It has high exciton binding energy of 60 mev, which ensures efficient uv emission from the exciton and make it suitable for uv laser - emitting devices. since the first observation of the stimulated ultraviolet emission at room temperature, zno has become another hotspot in the region of uv light emitting researching

    Zno不僅是繼gan之後紫外發射材料研究的又一研究熱點,而且近年來zno薄膜作為ito薄膜的很有發展前景的替代材料,正引起人們日益廣泛的關注。
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