激發截面 的英文怎麼說
中文拼音 [jīfājiémiàn]
激發截面
英文
excitation cross section-
Excited state absorption cross sections are obtained through z - scan curve fitting
通過曲線擬合,得出了它們的激發態吸收截面。For probing the isospin dependence of the medium correction of two - body cross sections, the results show that the behavior of the excitation function of stopping for medium size nuclear collisions can provide cleare r information than that for heavier systems
我們的結果還表明測量中等大小質量的系統在中能重離子碰撞中的核阻止本領激發函數比測量重的系統能提供更為確切的有關兩體截面介質修正的信息。Furthermore, with the increase of the polarity of solvent, the excited energies is decreased and the tpa cross section is increased
而且,隨著溶劑極性的增加,激發態的激發能減小,雙光子吸收截面增大。The vibrational excitation cross - sections of low - energy electron scattering from n2 molecule are studied using the improved body - frame vibrational close - coupling ( bfvcc ) method and quantum scattering potentials including static, exchange and polatization contributions based on ab initio calculations
摘要使用經孫衛國教授改進后的振動密耦合散射方法和基於量子力學從頭計算得到的靜電、交換與極化散射作用勢,研究了低能電子與n2分子的振動激發散射截面。Scattering sections reflect some characters of interaction potential in collision systems ; therefore one can get information about interaction from the theoretical and experimental research of collision between atoms and molecules. it is especially noted that non - elastic scattering sections and single rotational - excitation sections give abundant information about orientation and repulsive potential of interaction between atom and molecules, which meant an important way as to fully investigating the interaction between atoms and molecules
散射截面反映了碰撞體系相互作用勢的基本特性,從原子分子碰撞的理論及實驗中能夠獲得有關相互作用的信息;非彈性散射截面和單個轉動激發截面提供了有關原子與分子相互作用方向性和排斥勢的豐富信息,是全面探索原子與分子相互作用的重要途徑之一。The interactions between atoms and molecules undertake a very important role in many physical processes and the investigation of rotation excitation cross sections of in the collisions of molecules with atons are an excellent method determining their interactions. many theoretical and experimental researcher have done a lot of reseach work hi this field and got plenty of theoretical and experimental data
原子分子碰撞過程中轉動激發截面的研究是確定原子與分子間相互作用勢的理想方法,許多理論和實驗工作者在這方面做了大量的工作,並取得了很多理論和實驗數據。By improving the method of sampling of taking the sample cubes in the vertical section instead of from both end and middle of the alloy ingot, the analytical results obtained were in consistency, and the deviations found were quite small values and reasonable
通過改進取樣方法,即將原來從鋁合金錠的中間及兩端截取塊樣,改為在鋁錠的任意位置縱斷面切塊取樣,有效地克服了不同激發點所得結果存在明顯偏差的問題,使所得分析結果相互之間的偏差值很小而合理。As a new solid laser material in recent years, cr4 + : yag crystal has super advantages, such as big absorption cross section, stable saturable absorption, good heat - conducting and mechanical performance
Cr ~ ( 4 + ) yag晶體作為近年來人們發現的新型固體激光材料,具有吸收截面大、可飽和吸收穩定性好、熱傳導性和機械性能良好等優點。The results show that the contribution of direct capture is primary in the interested temperature range of astrophysics. toward the 12c ( n, y ) 13c reaction, our calculations are good agreement with a recent experiment at low energy. a obvious enhancement of the cross section of 12c ( n, y ) 13c first excited state has been found, and it supports that the first excited state 1 / 2 + of 13c is a neutron halo state which has been found experimentally by our department group
對于第一個核反應,我們計算了直接俘獲過程以及兩個共振態的俘獲截面和總截面,我們的計算結果顯示,在天體感興趣的溫度范圍內,直接俘獲過程對總截面的貢獻是主要的;對于第二個反應,我們的計算結果與已有的實驗結果符合的較好,其中~ ( 12 ) c ( n , ) ~ ( 13 ) c的第一激發態計算結果顯示出截面有明顯增大,這從理論上支持了我所關于~ ( 13 ) c第一激發態具暈結構的實驗發現,這是國際上第一次在激發態中發現暈結構。The results show that the vibrational excitation ( 0 5, 1 5 ) cross sections are converged using 18 vibrational states and 12 partial waves
研究表明在振動密耦合計算中使用18個振動波函數和12個分波數目,可以得到收斂的0 5 , 1 5等高激發散射的積分和微分截面。This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development
本項目就是針對這一瓶頸技術存在的基礎性問題:流場介質折射率變化是影響光學傳輸最直接的因素,即針對光線穿過高溫和湍流、激波等復雜流場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作,為高速攔截彈的發展提供技術基礎。The results indicate that for one dimension center conjugated organic molecules, the tree - state model can well calculate its low - excited states tpa cross sections
研究結果表明,對於一維體系的對稱型共軛分子,三態模型可以很好地給出低激發態的雙光子吸收截面。分享友人