Discussion on universal applicable selection rule of electric dipole transition;
關(guān)于電偶極躍遷的普用選擇定則的討論
Only cohen the symmetry of integrated function in integral of electric dipole transition moment is allowed, can the transition metal complexes show colour.
討論了導致過渡金屬配合物顯色的二種電子躍遷過程,只有當電偶極躍遷矩積分的被積函數(shù)的對稱性允許時,才有可能產(chǎn)生顏色;分裂能的差別,導致躍遷能的不同,因而呈現(xiàn)出不同的視色。
The Faraday rotation contributed by the rare earth ions is caused mainly by the intra-ionic electrical dipole transitions between the 4f~n and 4f~(n-1)5d~1 configurations.
本文用量子理論計算了RE:YIG(RE=Ce,Pr)晶體薄膜中RE離子經(jīng)晶場和交換作用劈裂后的能級和波函數(shù)及4f~n→4f~(n-1)5d~1電偶極躍遷幾率,進而計算了該晶體的Faraday旋轉(zhuǎn),計算結(jié)果與實驗完全符合。
Some important special cases, such as the average value of the integer power of radial vector, the matrix element of the electric dipole transition and the element of the electric quadrupole transition, are obtained from the general formula.
根據(jù)廣義Laguerre多項式的數(shù)學性質(zhì),導出了較為簡單的二維各向同性諧振子徑向矩陣元的普遍公式,并在這基礎上計算了一些重要特殊情形的徑向矩陣元:矢徑ρ整數(shù)次冪的平均值,電偶極躍遷矩陣元和電四極躍遷矩陣元。
The transition dipole moments of two compounds were determined,the measured value being 7.
以對硝基苯胺、苯胺、5 氨基嘧啶和N,N 二羥乙基苯胺為原料通過兩步重氮化-偶合反應合成了兩種給體-受體型非線性光學偶氮分子,用紅外光譜、核磁共振、熔點、紫外光譜進行了表征,測定了分子的躍遷偶極矩,兩個化合物的躍遷偶極矩分別為7 12D和8 76D,它們在不同極性溶劑中表現(xiàn)出明顯的溶致變色效應,紫外吸收最大位移分別達到20nm和15nm。
The transition dipole moment of these compounds is determined.
測定了化合物的躍遷偶極矩 ,并研究了化合物的溶致變色效應。
The properties of the electronic transition dipole moment of Pt(100) have been investigated using H/Pt n δ (δ=0,-1) clusters and the single-exciton configuration interaction.
5nm入射激發(fā)光時 ,橋位和穴位吸附的電子躍遷偶極矩和振子強度都很小 ,因而 Raman信號太弱 ,不能檢測到 ;只有在高覆蓋度下的氫頂位吸附 ,才能檢測到 Raman信號。
Magnetic dipole transitions among 1s~22s2p ~3P_(0,1) levels of Be-like ions
類鈹離子1s~22s2p ~3P_(0,1)能級之間的磁偶極躍遷(英文)
Theoretical Research on the Energy Level Structure and Oscillator Strength of Lithium-like V~(20+) Ion;
類鋰V~(20+)離子高激發(fā)態(tài)的能級結(jié)構(gòu)和偶極躍遷振子強度的理論研究
Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
禁戒躍遷指的是選擇定則所不容許的偶極輻射躍遷。
Determination of Absorption Spectrum and Transition Dipole Moment for Nonlinear Optical Organic Molecule;
非線性光學有機分子吸收光譜的測定及躍遷偶極矩的計算
Theoretical electric quadrupole transition probabilities and oscillator strengths for Sr;
理論Sr原子電四極矩躍遷幾率和振子強度
dipole dipole interaction
偶極子與偶極子相互酌
SO(2) Duality Theory of Electric Dipole and Magnetic Dipole Radiation;
電偶極和磁偶極輻射的SO(2)對偶理論
two electron one photon transition
雙電子 單光子躍遷
ground-exicited level jump
基態(tài)-激發(fā)能級躍遷
This process is called a quantum jump.
這種過程叫做量子躍遷。
Coster-Kronig transition
科斯特-克朗尼格躍遷
Lexicon, as the most active carrier of cultural information, most sensitively and directly, reflect the unique features of a certain nation.
而詞匯作為語言中最積極活躍的文化信息載體,直接而迅速地反映出文化的變遷與發(fā)展。
dipole-quadrupole interaction
偶極-四極相互作用
Step recovery diode frequency multiplier
階躍恢復二極管倍頻器
The smallest energy transitions are between rotational levels; the next smallest between vibrational levels.
在轉(zhuǎn)動能級之間的能量躍遷最小,其次是振動能級之間的躍遷。
Especially active " extreme words " in contemporary Chinese;
當今漢語中極為活躍的"極端詞語"
interaction of magnetic dipoles
磁偶極子的相互作用
folded pole aerial with reflector
反射器式折迭偶極天線