能級分佈 的英文怎麼說

中文拼音 [néngfēn]
能級分佈 英文
energy level distribution
  • : 能名詞(姓氏) a surname
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. Ii ) energies of the sputtered atoms vary mainly from several to several teens ev, with few atoms " energy relatively high ; the emitting positions of the sputtered atoms are close to the corresponding incident ions ( in the order of angstrom ) ; the sputtered atoms are emitted mainly normally, and few are slantways ; energy and angular distributions of sputtered atoms are influenced by the energies and incident directions of incident ions, but the angular distributions are not influenced by the incident energy very greatly

    Ii )濺射原子的量一般集中在幾個到十幾個電子伏特的范圍內,在高量區域也有所,但數量很少;濺射原子的出射位置就在離子入射位置的附近(埃數量) ;濺射原子的角度在垂直方向和斜射方向都有所,但以垂直出射為主;濺射原子的量、角度受到了入射離子量、角度的影響,但入射離子量對濺射原子的出射角影響不大。
  2. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場的各種因素:包括流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場,得到下空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場、濃度場,以論證加裝導流板達到流場均勻化的作用。
  3. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    ( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間;比較了激光量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間
  4. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行析,得出二系統單模輻射場的光子數密度,得出激光場的光子統計,模擬激光場的動態建立過程。
  5. The rectangle clearly shows each separate class in the distribution.

    矩形夠清晰地顯示出各狀況。
  6. In chapter 2, the principles of mdc for twts, refocusing and the influence of the secondary electrons are analyzed. the electron energy entering the collector is analyzed

    第二章從析互作用后電子入手,析多降壓收集極的工作原理、再聚焦原理和次電子的影響。
  7. ( 3 ) in the dy - lamp experiments, we study the spectrum distribution of relative - energy. firstly, it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator. the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however, if according as b standard, then it can attain the request of b standard of the solar simulator

    研究了鏑燈光譜相對,首先根據a模擬器提供的帶寬和帶數對鏑燈的光譜進行了測試,測試結果表明,利用鏑燈來模擬太陽光譜達不到a模擬器的要求;根據b模擬器提供的帶寬和帶數對鏑燈再次進行測試,並與b的光譜失配誤差進行比較,結果表明,利用鏑燈來模擬太陽光譜可達到b模擬器標準。
  8. Two methods were used to provide water quality ratings in bio - assessment using biotic index ( bi ), ( 1 ) using the sampled sites meet the criteria for undisturbed and minimally impaired conditions, the confidence in the distribution of bi value for the 75th percentile to be used as the criterion dividing " unimpaired " form " impaired ". any values below the 75th percentile were considered as " excellent ", and values above the 75th percentile, was quadrisected for different water quality ratings

    採用兩種方法研究m指數劃水質別的標準: ( 1 )無污染樣點的m指數值法,以75位數值作為最清潔水質標準,將高於此值的可范圍一等別代表不同的水質別zk )所有樣點(污染與無污染樣點)的bi指數值法,以5位數值作為最清潔水質的標準,將高於此值的可范圍4等別代表不同的水質別。
  9. In this paper, cholinergic neurons was mapped in the two kinds of birds ( emberiza rutila and fringilla montifringilla ) by using immunohistochemical method. the soma size and cell density of cholinergic neurons in the three song control nuclei, the higher vocal center ( hvc ), the robust nucleus of the archistriatum ( ra ) and area x, were measured and compared. here we discussed the distribution of cholinergic neurons and their effect on the process of song producing and song learning. the results show that chat - li was found in hvc, ra and areax of forebrain

    本文以中國北方地區常見的兩種鳴禽栗? ( emberizarutila )和燕雀( fringillamontifringilla )為材料,應用免疫組化方法,對兩種鳴禽發聲控制核團,即上紋狀體腹側尾核或高發聲中樞( hvc ) 、古紋狀體粗核( ra ) 、 x區( areax )內膽堿神經元的胞體大小和胞體密度進行了觀察測量,旨在探討膽堿神經元在發聲控制核團內的情況及其在鳴囀產生和學習過程中的作用。
  10. 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原子和型三原子的發射譜,詳細討論了入射場光子數、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。
  11. Energy level distribution of three - body harmonic coupling system in three - dimension space

    三維空間中三體相互作用的能級分佈
  12. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。
  13. It was found that the simple triangular shape distribution would cause " two - peaked " energy distribution near the threshold energy, which must affect the group transfer matrix

    處三角形的近似描述,導致產生了群散射矩陣的「雙峰」現象,而閾處矩形使平均次中子量(
  14. The preliminary optimized design for a four - pass amplification system was given based on the conducted criterion of th e figure of merits ( fom ) and restrictions

    針對神光原型裝置的物理設計,提出了其設計優化的判據和設計的限制條件,給出了原型裝置主放大的初步優化設計結果。
  15. Study of structures and energy levels of pdyn n

    團簇結構和能級分佈的研究
  16. Drawing the following concludes : ( 1 ) for the different metallic small particles with even number or odd number, the heat capacity is varied. the result is different from the bulk metal in essence. at the low temperature, the distribution of the discrete energy levels has important effects on the heat capacity ; at the high temperature, the distribution of the discrete energy levels has little effects because of the involving of mass electrons into the energy distribution

    得到如下結論: ( 1 )金屬小粒子所含的電子數奇偶性不同,其電子熱容是不同的,這與大塊金屬有本質區別;低溫極限時電子熱容受能級分佈的影響很大;而在高溫時,有大量的電子參與量配位,比熱遵循大塊金屬的線性規律,能級分佈的影響小時。
  17. The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined

    薛理輝武漢理工大學博士學位論文摘要( 2 )發現在常溫下,由於boltzm ~律的作用,在re3 +的基態電子態和激發態間躍遷所產生的發光譜帶和吸收譜帶中的精細譜峰的位置一一相同,解釋了產生這種關系的原因,並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark裂情況,確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i , 5 / 2一『凡/ 2精細間的躍遷形式。
  18. As well known, in the file 5 of endf - vi, the energy distribution of secondary neutron are represented by various analytical formulations

    眾所周知,在評價核數據庫endf -版的文檔5中,次中子數據以不同的表達方式來描述。
  19. The light spot image thresholding part of the suite puts forward the iterative algorithm to gain the best threshold by comparing, which could perfectly hold the original image feature. in the extracting the light spot image features part, the algorithms on calculating the coordinates of the " energy distribution barycenter " in the 256 gray levels image and the " geometric - center " in the binary image are adopted respectively and so on

    如在對光斑圖像進行二值化的過程中,通過比較發現使用迭代法求出最佳閾值的演算法夠較好的保留原圖像的特徵。在對光斑圖像進行特徵提取的過程中,別採用了對256灰度的光斑圖像求其「的重心」坐標;對光斑的二值化圖像求其「形心」坐標等演算法。
  20. Reslts of study show that the flue gas energy distribution in the flue duct to appear in peculiar unbalanced regularity, the units with capacity over 300mw and large - scale tangential firing boilers are basically in this way

    研究結果表明:煙道煙氣呈現特有的不平衡規律,且容量超過300mw機組等的大型切圓燃燒鍋爐基本都是如此。
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