photon radiation 中文意思是什麼

photon radiation 解釋
光子輻射
  • photon : n. 1. 【物理學】光子。2. 【醫學】見光度〈網膜照明單位〉。
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  1. First the emission spectrum of an atom in a grey - body cavity is stuided. the influences of the incident field photon - number distribution, the cavity absorptivity and the system temperature on the atomic emission spectrum are discussed in detail. it is found that the influence of cavity radiation on the atomic emission spectrum could be reduced through diminishing the absorptivity of the cavity and lowering the temperature of the cavity

    我們首先研究了灰體腔中二能級原子和型三能級原子的發射譜,詳細討論了入射場光子數分佈、腔體吸收系數以及系統溫度對原子發射譜的影響,指出在實驗上可以通過減小腔體吸收系數、降低系統溫度來減小腔體輻射對原子發射譜的影響。
  2. The equations which are used in the radiation hydrodynamic model include the hydrodynamic equation of plasma, the absorption equation of laser, non - lte electron occupation probability equations, electron ion and photon energy equations ( three - temperature equations ), and the state equation of matter and so on

    考慮的方程有:等離子體流體力學方程組,激光吸收方程,非局域熱動平衡電離下電子占據概率的速率方程組,電子離子的能量守恆方程組和光子的能量輸運方程(三溫方程組) ,關于元素不透明度的方程,以及描述物質狀態的方程等。
  3. Procedures of dosimetry with probe - type detectors for photon and electron radiation - part 4 : film dosimetry

    光子輻射和電子輻射用探針型探測器的劑量測定程序.第
  4. Procedures of dosimetry with probe - type detectors for photon and electron radiation - part 2 : ionisation dosimetry

    光輻射和電子輻射探頭式探測器劑量測定工藝.第2部分
  5. Procedures of dosimetry with probe - type detectors for photon and electron radiation - part 5 : thermoluminescence dosimetry

    光子輻射和電子輻射用帶探針型探測器的劑量測定程序
  6. Theory of semiconductor 、 absorption 、 direct transition 、 indirect transition 、 emission 、 radiation recombination 、 iradiation recombination 、 donor 、 acceptor 、 exciton 、 phonon 、 photon 、 polarition

    半導體基本原理、吸收、直接躍遷、間接躍遷、輻射、發光復合、非發光復合、施子、受子、激子、聲子、光子、恆化子。
  7. The method for measurement of photon fluences has been proposed based on the characteristics of the two radiation fields in this paper. there are two steps in this kind of measurement. first the absorbed dose in a small material block is measured

    針對這兩種脈沖輻射場的特點,本文根據空腔電離理論,建立了其光子注量測量方法:首先測得小塊介質的吸收劑量,再根據譜的數據資料計算出光子注量。
  8. Reference to the convention means of the analysis and research for energy spectrum hardening and photon scattering in internal and external, and based on the physical mechanism of radial interacts with matter, this paper approximatively deduce a theoretical formula of correction of energy spectrum hardening and scattered radiation in transmission industrial x - ray computerized tomography from a ideal model. and presented a correction computer program

    本文在分析研究國內外有關射線能譜硬化和散射修正問題的分析方法及其研究狀況的基礎上,從射線同物質相互作用的物理學機理出發,從理論上近似推導了x射線能譜硬化和散射修正計算公式,建立了散射修正的分析模型,並編制了相應的計算機修正程序。
  9. Adopting the amendatory rate equation, the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition, the pump velocity just need to compensate the photon velocity escaped from the cavity, and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold

    採用修正的速率方程對微腔激光器的閾值進行研究,得到如下結論:在沒有無輻射躍遷時,激光器的泵浦速率只需恰好補償光子向腔外的逃逸速率,輸出光強隨著輸入泵浦光強性線增加,實現所謂的「無閾值」激光器。
  10. X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - dosimetry for radiation protection over the energy ranges 8 kev to 1, 3 mev and 4 mev to 9 mev

    校準劑量計和劑量強度計及測定作為光子能函數靈敏度用x和基準放射線.能量范圍在8kev - 1 , 3mev和4mev - 9mev放射保護用放射量測定
  11. It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding

    簡而言之,通過嚴格的實驗研究和理論計算,本文測得了12mv脈沖加速器的x射線譜和liftld對較寬能區的中子的let效應因子值,並通過研製的均勻固體電離室測得了脈沖加速器和脈沖堆輻射場的光子注量,解決了幾個相關的技術難題,為核爆診斷探測器的標定提供了技術支撐。
  12. Dosimeters with ionization chambers for photon and electron radiation in radiotherapy ; rules for manufacture

    放療用電離室的光子射線和電子射線劑量計.製造規則
  13. By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )

    通過實時溫度場論下的費曼圖計算,我們得到:將實光子的發射、吸收,虛光子的交換過程同時考慮時,零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除;並且完全量子場論下的軟光子輻射幾率與半經典近似下(經典的電流和量子化的電磁場之間的耦合)得到的泊松分佈結果完全一致。
  14. High range beta and photon dose and dose rate portable instruments for emergency radiation protection purposes

    便攜式應急射線保護用高量程射線光子劑量和劑量率儀器
  15. Radiation protection instrumentation - measurement of discrete radionuclides in the environment - in situ photon spectrometry system using a germanium detector

    輻射防護儀器.測量環境中的放射性核素.使用鍺探測器的現場光子光譜測定系統
  16. Clinical dosimetry - part 6 : application of high energy photon and electron radiation in percutaneous radiotherapy

    臨床劑量測定.第6部分:高能光子與電子在經皮放射療法
  17. The photon, not having a material mass, maybe considered as having radiation mass

    光子雖然沒有物質質量,但可以認為它具有輻射質量。
  18. The resonance - enhanced multi - photon ionization ( rempi ) spectrum of no in the region of 420 - 680nm is obtained by using optical parameter generator and amplifier ( opg / opa ) as radiation source. the opg / opa was pumped by nd : yag ( quantel ) laser

    本工作以超短脈沖( 35ps ) nd : yag激光的三倍頻輸出( 355nm )泵浦光學參量發生放大器作為激發源,獲得了no分子在420 680nm波長范圍內的多光子共振離化光譜。
  19. In this paper, the author will firstly introduce the meanings of the photometric units, photosynthetically active radiation and photosynthetic photon flux, then theoretically derive the relations of the three units above, and finally utilize the full range of spectral characteristics of three different lamp to illustrate the process of conversion

    該文在介紹人眼光度學、促進光合作用輻射功率和光合作用光子流量的基礎上,主要從原理上推導出三個單位之間的轉換關系,最後用三種光源具體舉例計算。
  20. The infrared results showed that the ir characteristic value l080cm - lof cubic crystal sio, and the absorption peak 460cm - l of mgf, caused by the interaction between f - - mg ' + - p elastic vibration and photon radiation, appeared in the ir spectra. ellipsometric analysis showed that the typical absorption peaks 58lnm, 589nm and 606nm, resulting from the surface plasma resonance of cu panicles and reflecting the absorption on composite film system, appeared in the extinction coefficient k curves of cu ( voll5 % ) mgf, cu ( vol20 % ) mgf, and cu ( vol30 % ) mgf, cermet films, respectively. with the component of cu increasing, the peak site presented red shift, which was in accordance to the results of ultraviolet - visible spectra

    橢偏測試分析表明: cu ( vol15 ) mgf _ 2 、 cu ( vol20 ) mgf _ 2和cu ( vol30 ) mgf _ 2樣品的消光系數k曲線中出現了反映復合金屬陶瓷體系吸收的由cu金屬顆粒表面等離子體共振引起的吸收峰,峰位分別為581nm 、 589nm和606nm ,呈現紅移,這些與紫外-可見光譜測試結果相一致;此外, cu - mgf _ 2復合納米金屬陶瓷薄膜光學常數的實驗值與考慮尺寸效應修正過的mg理論值總體上符合得很好。
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