emission transition 中文意思是什麼

emission transition 解釋
發射躍遷
  • emission : n. 1. （光、熱、氣體等的）發出，發射，射出，放射；傳播。2. （紙幣等的）發行；發行額。3. 發出物，放射物。4. 【醫學】排出；遺精。
  • transition : n 轉變，演變，變遷，變化；飛越；過渡期；【音樂】變調，轉調；【修辭學】語次轉變；【語法】轉換；【...
  1. Visual carbon stars whose mid - infrared spectra are mainly dominated by photospheric continuum and show large excesses at 60um, represent a transition phase which follows an interruption of mass loss from the oxygen - rich phase and begins a new phase of the mass loss of carbon - rich material. excesses at 60um in these stars are the emission from the residual of oxygen - rich material

    光學碳星的中紅外能量主要來自光球，在60 m處存在超量發射，人們認為其演化階段處在拋射富氧物質終止和新的富碳拱星殼層形成之間，其60 m超量發射就是富氧物質的殘余效應。
  2. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ （ 2 + ）表面修飾在納米顆粒表面形成了zns殼層，鈍化了納米顆粒的表面，消除了表面猝滅中心，阻塞了通過表面猝滅中心進行無輻射躍遷的通道，從而使得發光強度增加，衰減變慢，量子效率提高。
  3. Atomic emission spectrum and phase properties of the field in some atom - field coupling systems are investigated. effects of quantum interference between two different transition pathways on atomic emission spectrum and phase properties of the field are discussed

    本文研究了光場與原子相互作用系統中原子的發射譜和光場的相位性質，討論了原子不同躍遷通道間的量子干涉對原子發射譜和光場相位性質的影響。
  4. The coupling originates from spontaneous emission of the probe transition and the spontaneous transfer of excited state coherence to ground state coherence

    一個是探測躍遷的自發輻射，產生的耦合具有相同的符號，此時原子相干表現為抑制吸收。
  5. In the investigations of the nanosized zirconia powders co - doped with yb3 + - 0. 2 ( 0. 4, 1 ) mol % tm3 + ions under 980nm ld excitation, the blue up - conversion emission at 474nm comes from the 1g4 - 3h6 transition

    詳細研究了鉺離子摻雜二氧化鋯納米材料的上轉換發光性質，得到：在低摻雜濃度（不大於1mol ）下，鉺離子主要發綠光。
  6. The authors analyze feasibility to introduce environmental tax system in china in the context of economic transition and globalization of economy, and further discuss the advantages of environmental tax compared with command - control policy, pollution charges system, and emission trading. the authors conclude that the institutional arrangements and social economic conditions in china can not support the implementation of emission trading, the environmental policy should consider transform gradually from co - existence of charges and tax to mainly depends on environmental tax

    從制度分析的角度剖析了環境稅收制度相比于命令控制型政策排污收費制度和排污許可證制度的優勢，從而從理論與實踐兩方面探討了在中國進行環境政策創新，開征環境稅收的重要意義，認為在短期內，排污權交易政策的制度條件尚不成熟，環境政策體系應該採取稅費並存逐步過渡到以環境稅收為主的方式。
  7. Acoustics. statistical methods for determining and verifying stated noise emission values of machinery and equipment. part 3 : simple transition method for stated values for batches of machines

    聲學.對機械與設備規定噪聲發射值的測定和驗證的統計方法.第3部分:規定各批機械噪聲值的簡易方法
  8. 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。
  9. Moreover, the intensity of the fluorescence emission of chemosensors increases significantly in the presence of zn ( superscript 2 + ) and cd ( superscript 2 + ), the fluorescent chemosensors with different polyamine as receptors show diverse affinity abilities to the transition metal ions and signal the receptor - metal ion interaction by the intensity change of fluorescence emission

    不同的金屬離子受體表現出了和過渡金屬離子不同的配位識別能力，並且通過熒光的變化傳遞出受體金屬離子作用的信息。
  10. Comparing of the ratio of 550nm emission intensity to 525nm in samples annealed at different temperature and times, the results obtained from a fit of the integrated intensity for these two emission indicated the change of radiative transition probability at different energy level are different

    通過比較不同退火溫度和時間樣品的兩者發光變化的不同，發現兩者的激發機理不同。通過比較不同樣品的525nm和550nm發射強度比值隨退火條件的變化以及這兩個發光的積分強度的變溫擬合結果說明退火對不同能級的輻射躍遷幾率的影響不同。
  11. We clarified that if the three - level atom and the two - mode cavity field are all in the coherent superposition state, the different transition processes interfere each other, the emission spectrum exhibits phase sensitivity. second, the phase properties of the two - mode su ( 2 ) coherent field interacting with a - type three - level atom and the two - mode su ( 1, 1 ) coherent field interacting with two atoms are investigated

    我們考察了雙模su （ 2 ）相干場與型三能級原子相互作用系統以及雙模su （ 1 ， 1 ）相干場與雙原子相互作用系統中雙模光場的相位性質，證明了光場每個j迄兇博士學位論文docioraldisser 」 i人lion
  12. We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band

    另外，我們還對薄膜光致發光性質進行了分析和研究，結果表明：納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光， pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小，使薄膜的有效帶隙增寬； zno薄膜的紅色發光，一方面是zno顆粒尺寸的減少，帶間的激子發射峰越來越弱直至猝滅，另一方面主要是與zno晶格中的o空位有關，由深能級復合發光引起紅光發射。
  13. The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions, while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects. ( 3 ) under excitation of 488 nm, temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied. in nanocrystalline, there appeared two maximal intensities

    （ 3 ）研究了488nm激光激發下不同顆粒尺寸的y _ 2o _ 3 ： tb納米晶熒光發射強度隨溫度的變化規律，發現y _ 2o _ 3 ： tb納米晶熒光發射強度在280k與590k存在兩個極大值，而體材料只在280k有一個極大值。
  14. The author has calculated the spontaneous radiate probabilities, the linear oscillator strengths, branching ratio of tm3 + iones by judd - oflet theory. according to the j - o calculated data, the transition 1g4 ? 3h6 was stronger than the transition 1g4 ? 3h4. it was agreement with the emission spectra

    3 ）對tbzre玻璃，用j ? o理論計算了各光譜參數，從1g4能級的躍遷分支比從理論上得出480nm波長的光相對650nm波長的光強，這與發射光譜圖是相符合的。
  15. This decrease in the defect pl intensity is probably caused by the increase of the nonradiative tunneling transition with multiphonon emission because of the increase in the density of si dbs

    缺陷pl強度的減小可能是因為隨著sidbs密度的增加，與多聲子有關的，從導帶到懸掛鍵的非輻射通道遷移的增加而引起的。
  16. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. part 3 : simple transition method for determining and verifying labelled values for batches of machines

    聲學確定和檢驗機器設備規定的噪聲輻射值的統計學方法第三部分:成批機器標牌值的確定和檢驗簡易
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