spin-spin energy 中文意思是什麼
spin-spin energy
解釋
自旋自旋能-
Their only observable characteristics were energy and spin.
它們僅有的可觀測特徵是能量與自旋。 -
We obtain a new quark potential from the effective dilaton - gluon - coupling inspired by superstring theory, and by using this static potential, we explore the mechanism of quark confinement through calculations of the spin - average energy levels, the widths of the leptonic decays and radiative transitions for heavy quarkonium. the obtained results are compared with that of the cornell potenial
由規范場理論的超弦理論所激發的伸縮子一膠子有效藕合，給出了一個新的靜態夸克一反夸克勢，討論了此勢模型下重介子的自旋平均能譜、輕子衰變和輻射躍遷寬度，並與cdrn叭勢模型所得到的相應結果作了比較 -
We calculate the spin - average energy levels of heavy mesons and analyze the influence of model parameters to energy levels. the obtained results are compared with that of other potentials and agree with the available data
在重介子系統中研究了這個新的夸克勢，計算了一些重介子系統的自旋平均能譜，分析了模型參數對能譜的影響，所得能譜與其它勢的結果作了比較，並與實驗上肯定的數據符合較好。 -
It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。 -
In this thesis, based on racah method of two - electron atom and non - relativistic energy structure for helium - like atoms, the relativistic corrections and the fine structure of helium - like atoms, including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms, the orbit - orbit interaction, the spin - orbit interaction, the spin - other - orbit interaction and the spin - spin interaction, are studied systemically using irreducible tensor. concretely, the main works of this thesis are as follows
本文以雙電子原子結構的拉卡理論和類氦離子的非相對論原子結構的計算結果為基礎，利用不可約張量理論，較為系統地研究了類氦離子的相對論效應和精細結構，包括相對論質量修正、達爾文修正、電子與電子之間接觸相互作用、軌道-軌道相互作用、自旋-自旋相互作用、自旋-其它軌道相互作用以及自旋-軌道相互作用。 -
Matter and antimatter are like the good and evil twins of nature ; they are endowed with equal and opposite characteristics like charge and spin, so if they meet they obliterate each other, releasing a flash of energy upon contact
物質和反物質就像自然界善良與邪惡的雙胞胎；它們被賦予相同和相反的特性類似電荷及旋轉，因此如果它們相遇，它們接觸之後，釋放出能量閃光。 -
But difficulty in maths will come forth when meeting high spin particles if we using such method. on base of the characteristic of energy space, we obtained the wavefunctions and geometric phase by the trial function method in this paper. the berry phase of the system are also obtained after an evolution period
文中在絕熱近似下根據自旋粒子能級間隔特點用嘗試波函數法求出了旋轉磁場中高自旋粒子系統的波函數及幾何相位，解決了用一般方法求解時出現高階微分方程的困難。 -
The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed
在綜合考慮影響破碎機效率的各因素的情況下，提出了滿足以力，能量，錘頭穩定性，幾何條件，不發生運動干涉，轉子軸和滾動軸承的強度等約束條件，建立了包含破碎機關鍵參數（錘頭質量m ，軸心o到銷軸錘頭接觸距離r ' ，四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙，錘頭與巖石碰撞到銷軸與錘頭接觸點的距離s ，轉子的速度。 -
And then, zno thin films were synthesize on quartz and silicon substrates by sol - gel dip - coating and spin - coating. the properties of the films and the effects of growth parameters on the quality of zno films were studied using x - ray diffraction, optical absorption, photoluminescence techniques, etc. to modify the energy gap of the zno, mg2 + was added in the sol - gel solution, and mgxzn1 - xo films were prepared by the same method as that for zno films
利用溶膠凝膠法成功地在石英玻璃和單晶矽片等襯底上制備出了c軸擇優取向的zno薄膜，並利用x射線衍射儀、紫外-可見光光譜儀、熒光光譜儀等對zno薄膜的結構和性能進行了測試、分析，並研究了熱處理參數等條件對zno薄膜性能的影響。 -
Spin effect on energy spectrum and magnetoconductance in a magnetic quantum
自旋對磁量子反點能譜和磁電導的影響 -
The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment
因霧滴的脫水時間與其直徑的平方成正比，減小液滴直徑有利於縮短乾燥脫水時間，可有效降低乾燥塔的高度；由於旋流式組合壓力噴嘴霧化滴徑的減小，脫水速度明顯加快，在不影響乾燥物料性質的前提下，適當提高進風溫度，同時有效地降低排氣溫度，有利於提高幹燥塔的蒸發強度，也有利於提高幹燥設備的平均能源利用率。 -
In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two - electron atom, including the atomic hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis
總之，本文為雙電子原子能級的相對論修正和精細結構的理論計算提供了一種新的方法，包括原子哈密頓算符的球張量表示方法、原子哈密頓中各種相互作用項的角向矩陣元和自旋求和的計算方法，以及徑向矩陣元的近似計算方法 -
Theory therefore indicates that the dark ages were defined by three distinct temperatures : the spin temperature ( a measure of the relative abundance of atoms with different spin states ) ; the ordinary, kinetic temperature ( a measure of the motions of the atoms ) ; and the radiation temperature ( a measure of the energy of the background photons )
因此理論上，黑暗年代是由三種截然不同的溫度來定義：自旋溫度（不同自旋狀態原子相對數目的度量） 、一般的動力溫度（原子運動的度量）與輻射溫度（背景光子能量的度量） 。 -
Flipping an electron ' s spin takes much less energy and can be done much faster than pushing an electron out of the channel
翻動電子自旋所需能量較少，也比把電子推出通道要快得多。 -
The method and some simple and important results are presented. in the second chapter, we study the ground state energy gap and the spin - peierls phase transition in the quasi one - dimensional spin = l / 2 dimerized anti - ferromagnetic single chain
第二章中，我們研究準一維自旋s = 1 / 2的二聚化反鐵磁單鏈的基態能隙和低溫下的spin - peierls相變。 -
Magnetic energy in contrast is rotational in nature and requires soul to spin
反之，磁性能量是旋轉性質的，需要有靈魂來轉動。 -
The main point we shall be interested in is the influence of the total electron spin on the energy of the system.
我們將感興趣的主要之點，就是電子總自旋對系統能量的影響。 -
Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme
具體內容包括：首先，藉助角動量耦合理論，將多電子原子哈密頓算符中的自旋-自旋、自旋-其它軌道以及軌道-軌道相互作用全部改用球張量表示，這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自旋部分完全分開，從而便於計算矩陣元，而且角向矩陣元可以方便地利用不可約張量理論來進行計算。 -
The aurora now spins counter - clockwise, while the global subtle bodies spin clockwise, balancing the two energy flows out in a new form of magnetism
極光現在反時針旋轉，而地球精微身體則順時針旋轉，平衡了新磁場形式中的兩股能量流。 -
General expressions of the fine structure energy levels for two - electron atom including the spin - spin interaction, the spin - orbit interaction and the spin - other - orbit interaction in the lsjmj scheme are derived
在這些推導中，完成了所有角向積分和自旋求和計算，相應的結果用3j 、 6j 、 9j符號和待定的徑向矩陣元來表示。
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