極化束 的英文怎麼說
中文拼音 [jíhuàshù]
極化束
英文
polarized beam-
Binding energy of bound polaron in parabolic quantum well
拋物阱中束縛極化子的結合能These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle
這一結果表明，在產生離子束極化的實驗中，在離子束低度極化的前期階段，磁場應具有較高的穩定性，而在離子束極化度較高的後期階段，磁場的穩定性要求可以放鬆；自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。Temperature properties of the effective mass of bound polaron
束縛極化子有效質量的溫度特性Influence of velocity of polaron on mean number of phonons of bound magnetopolaron
極化子速度對束縛磁極化子的聲子平均數的影響At last, we introduce the conception of bound polaron. the single bounded polaronic hamiltonian are gotten by the pekar " s theory
最後我們引入了束縛極化子的概念。並利用pekar理論引出單束縛極化子哈密頓。It was found that the schorl or dravite in schorl - dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron - beam bombardment and x - ray diffraction of varying the temperature
利用電子束轟擊結合變溫xrd分析發現在schorl - dravite系列電氣石中，產于偉晶巖的，結晶度比較高的mg電氣石或fe電氣石具有較高的自發極化強度。According to the need of programming in satisfying control, a new method of optimization by using conditions of inner point and active set of constraints was proposed
摘要根據滿意控制中實時規劃的要求，利用內點和積極約束集條件，提出了一種新的優化演算法。Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應，考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說，這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時，可得到消除多普勒增寬的精度We creatively apply this way to the bounded polaron in the parabolic quantum well and get the analytical expressions of the ground state energy of an electron bound to a hydrogenic impurity in a parabolic quantum well in an electric field
我們開創性的把它應用到處理有拋物線量子阱中的束縛極化子，得到了有外電場的量子阱中，類氫雜質中的電子基態能量的解析結果。To solve this contradiction we introduce the polarization track restriction and calculate the biggest scr ( ratio of signal to clutter ) of coherently and incoherently reflected waves
為了解決這一矛盾引入了極化軌道約束條件，計算了在極化軌道約束下相干情況和非相干情況下共極化通道最大接收功率與極化狀態的關系。The thesis concerns mainly about the bounded polaronic effect in the parabolic quantum well in an electric field
本論文主要討論了在有外電場時拋物線量子阱中的束縛極化子效應。The hit spot was round or circle on the crystal plane. therefore, the intensity of spontaneous polarity and the direction of polarity could be judged by the shape of the electron - beam bombardment spot
因此根據電子束打擊斑的形貌可判斷電氣石的自發極化強度和方向， 「打擊斑」亮的一端為負極，暗的一端為正極。We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results
利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致When it is discharged at high - rate, the distributions are also the most uniform at the end of the discharge. this indicates that the positive plate with the red lead has the better discharge performance than the other two kinds of positive plates
含紅丹的正極板在化成初期電流密度和電位的分佈最均勻，極化最小，在高倍率放電結束時，其電流密度和電位分佈也最均勻，表明含紅丹的正極板的放電性能比其它兩種正極板好。Facing china ' s increasingly powerful, some of japanese people tend to regard china as a rival which should be precautioned and contained in contrast to the past united and dependable strength ; on the other hand, after cold war, mutipolar developed, the role of economy and technology is more and more important in the international affairs
從國際環境看，一方面蘇聯解體，冷戰結束，日本「北方威脅」消夫，面對中國日益強大，日本一些人更加傾向于將中國從以往的聯合力量、藉助力量，重新定位為防範牽制的對象。另一方面，冷戰后，多極化發展，經濟和科技在國際事務中發揮著日益重要的作用。The properties of the weak - coupling bound polaron in quantum well are studied using the linear combination operator and the unitary transformation method
摘要採用線性組合算符及幺正變換方法研究了磁場對量子阱中弱耦合束縛極化子的性質的影響。We conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling
摘要採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響。The physical has been polarized over time to experience endings in the form of death
物質形體隨時間已被極化成以死亡方式體驗結束。According to the reciprocal characteristic of dual - mcde reciprocal ferrite phase shifters, the antenna only requires to provide the sa : lle beams of operation between the trtinsmit and receive beams. in addition, 1he phased shifter can operate in various polarizations such as linear polarization or circular polarization, which is adiipted to the development of modern ra ( 1ar technologies
對電掃描相控陣天線來說，雙模互易式鐵氧體移相器的互易特性可使收、發在同一特定波束位置上工作；此外，雙模互易鐵氧體移相器可以在線極化、圓極化等多種極化方式下工作，適應了現代雷達技術的發展。The spontaneous polarity was firstly observed by electron - beam bombardment and scanning electron microscope ( stm )
利用電子束轟擊和掃描成像手段，首此觀察到了電氣石的自發極化導致的電極性。分享友人