The influence of the electric field on the properties of the bound magnetopolaron in an infinite-depth GaAs semiconductor quantum well is investigated using the linear-combination operator and the unitary transformation method. The relationships between the polaron's ground state energy and the Coulomb bound potential, electric field, magnetic field, and well-width are derived and discussed.

研究了在外加電場作用下無限深GaAs半導(dǎo)體量子阱中束縛磁極化子的性質(zhì)欧美黄网站在线观看，采用線性組合算符及幺正變換方法導(dǎo)出了量子阱中弱耦合束縛磁極化子的基態(tài)能量與阱寬厕拍网站、電場強度91亚洲精品福利在线播放、磁感應(yīng)強度a黄视频、庫侖束縛勢的變化關(guān)系九九精品无码，同時討論了振動頻率和庫侖束縛勢黄色视频插插插、外場之間的變化關(guān)系。

The study on the mean number of phonons of the strong-coupling bondage polarons in magnetic field;2. The first excitation energy and the mean number of phonon of the strong-coupling magetopolarons in the polyatomic semi-infinite polar crystals were studied through a linear-combination operator and unitary transformation.

采用線性組合算符和幺正變換欧美性爱一级特黄片，利用變分法計算了多原子半無限極性晶體中由電子和光學(xué)聲子強耦合相互作用所產(chǎn)生的磁極化子的第一激發(fā)能量及平均聲子數(shù)在线观看Www.，并通過適當(dāng)?shù)臄?shù)值計算圖示了它們與磁場的關(guān)系。

When electron spins were unpolarized, the dependence of the low-lying energy of the barrier Li QD on an external magnetic field B and the distance d was obtained.

研究表明欧美人与动性行为另类，當(dāng)電子自旋為非極化時人人看人人射，束縛鋰量子點的低態(tài)能譜受磁場B和距離d的影響，其最低態(tài)角動量L隨B和d的變化而躍遷日本系列JULIA在线播放，并從動力學(xué)方面進(jìn)行了分析黄色轻点疼视频网站。

The Earth possibly is one by occupies the major part material stably the counter-flow inner layer as well as occupies the few parts the counter-flow outer layer to be composed, the former is constitutes the Earth quite stable movement, the attraction, the magnetic field and so on the macroscopic phenomenon foundation; The latter constitutes the Earth most to be rich in the change the beautiful semblance, such as: Land, islands, volcano, earthquake, plate movement and so on nature environment with each kind of great phenomenon, eliminate this this also are decide the Earth for the perfectly round spheroid basic reason, because the internal heat circular reactions is from starts, the huge energy finally becomes the Earth good fortune a beautiful rich life the star.

地球可能是一個由較穩(wěn)定占絕大部分物質(zhì)的對流內(nèi)層以及占較少部分的對流外層組成，前者是構(gòu)成地球比較穩(wěn)定的運動、引力欧美一级大片肏屄、磁場等宏觀現(xiàn)象的基礎(chǔ)制服自拍国内日韩视频；后者則構(gòu)成地球最富于變化的美麗外表，諸如：陸地老熟妇一级毛片免费高清、島嶼超碰在线一、火山、地震欧美网站专区、板塊運動等等自然界環(huán)境與各種偉大的現(xiàn)象jizzjizz35，除此這也是決定地球為渾圓球體的根本原因，因為內(nèi)熱循環(huán)反應(yīng)是從一點開始的性感美女黄污被操黄污网站在线观看，巨大的能量最終把地球造化成一顆美麗的富有生命的星球变态调教一区二区三区女同。

UV-Vis and continuous variation plot method were used to study the complexation of γ-cyclodextrin with bromocresol green, and the stoichiometric ratio of the complexation was to be 1∶2. Thermodynamic analysis results show an inverse relationship between temperature and complexation constant, and the change of enthalpy, entropy and free energy of the complexation were -39.988 kJ/mol, 86.400 J/ and -14.245 kJ/mol, respectively, which indicating that hydrophobic effect was the main force to form the complexes.γ-Cyclodextrin and bromocresol green complexes were examined by nuclear magnetic resonance, infrared spectrum and molecular modeling analysis, and was may be the group included in γ-cyclodextrin.

采用紫外-可見分光光度法和等摩爾連續(xù)變化法研究了γ-環(huán)糊精與溴甲酚綠的包合作用，確定了包合物形成的化學(xué)計量比為1∶2黄色影院欧美日韩；采用熱力學(xué)方法分析了溫度與包合常數(shù)之間的關(guān)系美女欧美精品公司，計算了包合過程的焓變、熵變及自由能變化分別為-39.988 kJ/mol毛片看片网址， 86.400 J/和-14.245 kJ/molwww.99riav76，這表明疏水作用力為主要驅(qū)動力；采用核磁共振欧美大片免费看用力操、分子模擬和紅外光譜法對包合物進(jìn)行了研究国产精品泄火熟女小草影院，確定了包合物的形成，分析認(rèn)為這可能是基團(tuán)進(jìn)入γ-環(huán)糊精腔內(nèi)導(dǎo)致增色效應(yīng)国产色欲一精品一aV一免费。

Since it has many special mechanical,optical, electrical, magnetic, calorifics and chemical properties which differ from thecorresponding bulk materials due to its size effect, surface effect and quantum effect,as a wide band gap semiconductor material with large exiton binding energy of 60meV at room temperature, it is attractive for many new applications in industry andhigh-tech fields.

由于ZnO是一種直接帶隙的半導(dǎo)體材料欧美三四级日韩三四级，室溫下能隙寬度為3.37 eV，激子束縛能高達(dá)60 meV广州深圳一级毛片，具有優(yōu)良的物理和化學(xué)性質(zhì)免费国产乱伦视频，其顯著的表面效應(yīng)、量子尺寸效應(yīng)和宏觀量子隧道效應(yīng)色哟哟精彩视频一区国产在线，是目前光電子研究領(lǐng)域的熱點毛片-A片免费强奸。

From our self-consistentcalculations,not only the DOS at Fermi level Dand the Fermi level EF butalso the 2D electron number density N2D and the subband energy E0 all showoscillatory changes with magnetic field.

自洽計算還表明，無論是費密能級處的態(tài)密度D操草网站、費密能級EF還是二維電子氣濃度N2D欧美另类人妻制服丝袜、子能級E0都會隨磁場振蕩變化。

The compact, low-rise city promises to use less than half the energy of others the same size; it will be run almost entirely by solar electricity generated on site, have a light-rail system and driverless "pods" on magnetic tracks to move people around.

緊湊型大码老熟女Av毛片免费，低增長的城市的承諾亚洲欧洲日产国产动漫，使用不到一半的能源別人的相同大小，它將會運行幾乎完全由太陽能產(chǎn)生的電力在現(xiàn)場丰满少妇强力进入毛片，有一個輕軌系統(tǒng)和無人駕駛的&豆莢&的磁軌動議周圍的人青久久久国产av。

The practical synchronous generator designed with rare earth permanent magnetic material has notable advantages of small volume,lighter weight,excellent electric performance index,dusting and fording,energy saving; maintenance free ,high efficiency etc.

采用稀土永磁材料設(shè)計的實用型同步發(fā)電機草草草干干干，具有體積小、質(zhì)量輕亚洲色图2、電性能指標(biāo)優(yōu)良无码三级中文字幕在线视频、防塵涉水、免維護(hù)97碰碰,巨乳中文,中文字幕欧美精品、效率高久久99精品九九九久久婷婷、節(jié)能效果顯著等優(yōu)點，可廣泛用于航空航天中文无码天堂一区二区三区、國防免费成人在线观看网站、工農(nóng)業(yè)生產(chǎn)和日常生活的各個領(lǐng)域。

When doping the first periodic transition elements in TiO〓, the relationships between the photocatalytic activities and the ratio of electronic affinity energy to the ionic radius and the ionic magnetic moment of heteratomic ion were studied.

通過第一過渡系元素對納米TiO〓光催化劑的摻雜亚洲自拍日韩欧美精品，發(fā)現(xiàn)催化活性與摻雜元素的穩(wěn)定氧化態(tài)的電子親和勢Ea與離子半徑r的比值Ea/r有順應(yīng)關(guān)系久久浪穴，該比值越大，催化活性越低欧洲男女交欢视频。