譜線 的英文怎麼說

中文拼音 [xiàn]
譜線 英文
gamma line
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. " for his discovery of the doppler effect in canal rays and the splitting of spectral lines in electric fields

    發現極隧射的多普勒效應以及電場作用下光譜線的分裂現象
  2. In this diploma thesis, the statistic and structural characteristic of musical score image is analyzed and synthesized by relevant technology of image project, pattern recognition, mathematical morphology, software engineering, music knowledge, midi and so on. the concept of direction number has been defined, and then the mathematical morphology theory is used to process musical score image and recognize musical information. specialized direction number algorithms are firstly used to preprocess a musical score image and then recognize stafflines, barlines, pitch, note values, clef, etc. finally the musical information of the musical score image is automatically stored in the midi format

    本文利用圖像處理、模式識別、數學形態學、音樂知識庫與midi等相關技術,分析與綜合數字樂圖像的統計與結構特徵,提出了方向數等概念,對樂圖像進行處理,利用直方圖技術與方向數演算法識別譜線、小節、符乾等樂的主要框架,然後用數學形態學理論識別音高與時值,最後根據這些音樂信息,組合成音樂樂信息,並自動轉化成midi格式。
  3. The larger atoms have much more complex spectra.

    較重的原子具有較復雜的光譜線
  4. At the same time, the cw 40w diode laser is successfully packaged

    激光器譜線寬度3nm ,電光效率接近40 。
  5. Influence of quantum interference on profile of atomic sodium emission spectrum

    量子干涉效應對鈉原子光譜線型的影響
  6. According to the requirements of disign, the system apply mcu at89c2051 to extend 32 keybords, and meantime the system can use battery which can be recharged to supply power. as a whole, the system charact eristic of inputting by keyboard and interacting by chinese characters can display and store spectrum data automatically and accomplish data handling. what ' s more. the system can communicate with other computers by the interface of rs - 232c

    同時,為了實現人機交互,系統採用at89c2051擴展了32鍵鍵盤。在系統的供電方面系統可採用充電電池供電。總體來說,系統採用按鍵輸入,漢字人機對話,能自動顯示和存儲測量譜線,並完成數據處理工作,除此之外,系統可通過rs - 232c與其它計算機聯機使用。
  7. A spectral line is emitted when an atom proceeds from an excited state to a lower state.

    當原子從一個受激態進入另一個較低的狀態時,就發射一條譜線
  8. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立) 、連續背景輻射(連續) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  9. In practice the identification of lines in a star's spectrum is not so easy.

    實際上,要辨認恆星光中的譜線並不那麼容易。
  10. ( 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:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光、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數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光的空間分佈。
  11. In chapter 1, the history investigation of gap : n with dilute nitrogen concentration, especially its isoelectronic exciton mechanics and the study background of gapn alloys are briefly introduced

    早在二十世紀六十年代, thomas等人就發現在gap : n中,存在一系列尖銳譜線
  12. 2 the experimental principle and method of beam - foil spectroscopy are presented, and the application of the isoelectronic sequence in the analyses of spectra is described, cowan program for the theoretical calculations is introduced

    2介紹了束箔光學的實驗原理和方法,說明了等電子序列及其在譜線識別中的應用,介紹了用於理論計算的cowan程序。
  13. The isoelectronic system of gap : n has been investigated extensively in the dilute limit since 1965. thomas et al identified that a series of sharp emission lines in gap : n were due to the recombinations of excitons bound to either isolated nitrogen centers or various nitrogen pair centers

    這些譜線來自於等電子雜質n形成的束縛激子態(孤立n中心和nn _ i對)輻射復合產生的零聲子及其聲子伴
  14. 4 the spectrum of highly ionized cu and ge was investigated by means of the beam - foil technique. by comparison with other experimental data we determined 42 energy levels of cu and 13 energy levels of ge. for the spectrum without experimental data for comparison, they are determined by isoelectronic sequence

    摘要4我們採用束箔光方法測量高離化態cu和ge束的光譜線,與文獻中的實驗數據相對照,確定了42條cu的譜線和13條ge的譜線,對于無實驗值可對照的譜線,利用理論值和實驗值進行等電子序列證明。
  15. It is concluded that at the boundary of brillouin zone there is a strong broadening in the magnon linewidth and softening

    發現在布里淵區邊界區域磁振子的軟化和磁振子譜線增寬最明顯。
  16. The influences of longitudinal phonon and transverse phonon on the softening and broadening in the magnon linewidth are compared, and the influences of the parameters are also illustrated

    比較了縱向聲子與橫向聲子對磁振子的軟化與磁振子譜線增寬的影響,也討論了各項參數的變化對磁振子的軟化與磁振子譜線增寬的影響。
  17. The magnitude of the turbulence then follows directly from the observed line with if the nebular gas temperature is known.

    如果已知星雲氣體的溫度,則湍流的大小可直接從觀測的譜線寬度得出。
  18. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  19. We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

    我們發現所選樣本中確實存在接近效應,特別在z _ ( abs ) z _ ( em )附近距類星體4h ~ ( - 1 ) mpc范圍內, ly森林的數相對演化規律估計得到的數缺少很顯著,並且與譜線的靜止等值寬度有關,弱的接近效應較弱。
  20. During unsaturated growth, the width of the spectral profile will decrease.

    在非飽和增長期間,譜線輪廓的寬度將減小。
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