spectra 中文意思是什麼

spectra 解釋
n. 名詞 spectrum 的復數。

  1. It was surprising when the alkali spectra showed unmistakable doublets.

    當堿金屬光譜顯示出不容懷疑的雙線結構時,是令人驚奇的。
  2. The relative intensity of fine structure of alkali metal ' s atomic spectra

    堿金屬原子光譜精細結構的相對強度
  3. Studies on the structure optimization of bis - schiff base deri ved from 4 - amino - antipyrine and 1, 4 - benzenedialdehyde and spectra properties of the ligand with co

    氨基安替比林縮對苯二甲醛雙希夫堿的結構優化及其與鈷離子作用的光譜研究
  4. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠子直接交換,而線性禁閉源於標量和矢量的混合,同時考慮在短程區域與單膠子直接交換起同樣作用的同味正反夸克的湮滅,構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正,並擬合計算了重介子偶素的能譜,討論了相對論修正對重介子偶素能級分裂的作用。
  5. Absorption, fluorescence emission and excitation spectra of five pigment - protein complexes were determined. photosynthetic electron transfer was measured from the dcip photoreduction. p700 concentration was assayed from the ferricyanide - oxdised minus ascorbate - reduced difference spectrum

    測定裙帶菜各色素蛋白復合物的吸收光譜、熒光發射光譜和熒光激發光譜,並進行了dcip的光還原測定和化學法的氧化還原差示光譜測定。
  6. Investigation of atomic spectra yields atomic energy levels.

    原子光譜的研究能給出原子能級信息。
  7. Study on electronic spectra and second - order nonlinear optical property of substituted 60 fulleropyrrolo barbituric acid derivatives

    取代螺旋共軛化合物非線性光學性質的理論研究
  8. Theoretical studies on electronic spectra and second - order nonlinear optical properties of aniline substituted barbituric acid derivatives

    系列新推拉型多環共軛分子二階非線性光學性質的理論研究
  9. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法,通過系統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重元素bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
  10. This present paper is contributed to the study of the evolutionary nature of iso sws spectra from carbon - rich agb stars ( carbon stars ) and molecular and dust features around such carbon stars

    本文主要致力於研究富碳agb星的isosws紅外光譜的演化和它的分子、塵埃特徵。
  11. By using the iso sws spectra we have studied their physical nature including their molecular and dust features in the circumstellar envelope to make us understand the evolutionary status of carbon stars

    這29顆sic碳星的isosws光譜能很好地反映碳星的演化,有助於我們了解碳星的演化及其分子、塵埃特徵。
  12. The infrared carbon stars, whose infrared spectra are mainly due to the dust emission in the circumstellar envelope, are usually believed to be surrounded by the carbon rich envelope characterized by the sic emission feature at 11. 3um

    紅外碳星常被認為有很厚的富碳拱星殼層,它的紅外光譜主要表現為源於拱星殼層的塵埃發射,這個塵埃發射主要以11 . 3 m的sic發射為標記。
  13. 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。
  14. Abstract : the studies with infrared spectra and 15no exchange experiments have proved the existence of nitrogen oxide chemisorbed on the reduced state molybdena - alumina catalyst in the form of dinitrosyl

    文摘:通過對紅外光譜及同位素交換反應后的分析,證明吸附在還原態鉬鋁催化劑上的no是以雙亞硝酰基形式存在的
  15. Infrared spectra are exceedingly complex.

    紅外光譜是非常復雜的。
  16. The larger atoms have much more complex spectra.

    較重的原子具有較復雜的光譜線。
  17. The conclusive evidence on their nature came from spectra.

    關于其性質的決定性證明是從光譜得到的。
  18. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  19. The sample spectra were obtained with the cuvette holder in - line between the fibers

    樣品光譜是通過將小型管固定器與纖維之間同軸的方式獲得的。
  20. Continuous spectra are appropriate to the clash of cymbals.

    連續譜適合於描寫鈸的碰撞聲。
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