激子的結合能 的英文怎麼說
中文拼音 [jīzidejiēgěnéng]
激子的結合能
英文
exciton binding energy- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 的 : 4次方是 The fourth power of 2 is direction
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 能 : 能名詞(姓氏) a surname
- 結合 : 1 (發生密切聯系; 聯合) combine; unite; integrate; link; binding; coalition; cohesion; connectio...
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Magical fire ( eye doctor ) looks at well - being cream of sticking drawing tradition traditional chinese medicine formula famous and precious in tsinghua, is tied in wedlock modern up - to - date medicine result of scientific research, the various chinese medicinal crop famous and precious being carefully chosen, adopt the modern nano - technology and target to poison a technology to being given to, let various active material, tiny molecule, nutrition factor glutathione etc. guide medicine it is all right for to go ahead, the brute force passes through blood eye parclose, make pesticide effect reach nidus directly location, prompt the nutrition replenishing an eye with the part ( include ciliary muscle, retina, crystalline lens, optic nerve ), active eye part cell, improve eye part immunocompetence and oxidation resistance, boost an eye part organizing an assimilation of the new and excretion of the old, microcirculation improving and restoring an eye part, thereby reach eliminate look at strain, purpose improving and improving sight
清華神火視康貼汲取傳統中藥名貴配方之精華,結合現代醫藥最新科研成果,精選多種名貴中藥材,採用現代納米技術和靶向給藥技術,讓多種活性物質、微分子、營養因子谷胱甘肽等引藥上行,強力穿透血眼屏障,使藥效直達病灶部位,迅速補充眼部(包括睫狀肌、視網膜、晶狀體、視神經)的營養,激活眼部細胞,提高眼部免疫能力和抗氧化能力,促進眼部組織新陳代謝,改善和恢復眼部微循環,從而達到消除視疲勞,改善和提高視力的目的。We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center
我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。Effects of hydrogenic donor impurity position on the binding energy of a bound exciton in - nitrides quantum dots
族氮化物量子點中類氫施主雜質位置對束縛激子結合能的影響The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。1 ) lay stress on the combination of language training and thinking training, and weave together with the ability of listening, speaking, reading and writing. 2 ) emphasize the comprehensiveness of knowledge, sensibility, competence and understanding. through certain affecting and pleasing to eye ways to inspire thinking and encourage aspiration and cultivate students of wholistic development 3 ) employ diversified methods of teaching and learning and establish a radial communicative teaching model. 4 ) make cll immerge into the daily life in class, main points of language of the course are practiced, while, out of class, the knowledge is extended, broaden, and deepened
認為絕不能單打一或以偏概全,一是強調語言訓練和思維訓練相結合,聽說讀寫能力貫穿其中;二是強調知情能理的綜合,通過娛目、動情、激思、鼓志等方法全面地發展人;三是教與學多種形式的綜合,形成輻射式的教學交往模式;四是語文與生活同在,通過課內練在點子上,課外延伸、拓展、深化。The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。So we figured that the influence of the electron - electron interactions must be considered in our work. added an electron - electron interaction ( up to the fourth neighbor ) term to the baranowski - buttner - voit ( bbv ) model for polyaniline, we carried out a self - consistent - variation calculation for an biexciton in the pernigranlilne - base polymer, in order to confirm the model hamiltonian. the results showed that two peaks ( near l. oev and 1. 5ev ) appeared in the calculated optical absorption, besides the reproduced electronic structure, bond order wave ( bow ) and ring - torsion angles
發現引入電子?電子相互作用后,聚苯胺靜態激子的性質受到影響,該聚合物的鍵序波、芳環扭角和電子中文摘要結構發生了變化,而且在理論吸收譜的低能端出現了明顯的二特徵吸收峰( 1 . 0ev和1 . 5ev附近) ,這一結果與實驗數據很好的吻合,從而這一點表明我們所考慮的因素是合理的。Covers cells and tissues of the immune system, lymphocyte development, the structure and function of antigen receptors, the cell biology of antigen processing and presentation including molecular structure and assembly of mhc molecules, the biology of cytokines, leukocyte - endothelial interactions, and the pathogenesis of immunologically mediated diseases
課程涵蓋免疫系統的細胞和組織,淋巴球的發育過程,抗原受體的結構和功能,抗原反應過程的細胞生物學以及抗原的呈現,其中包括mhc分子的結構與組合,細胞激素的生物學,白血球和內皮組織的互動關系,以及免疫相關疾病的致病機轉。Using a simple variation - fitting method , the exciton binding energies of a sawtooth - shaped quantum well are calculated as a function of an electric field , and the explanation of the results is also given
採用一種變分擬合的簡單方法計算了電場下鋸齒型多量子阱的激子結合能,對計算結果給出了合理的解釋On the basis of one - electron hartree - fock approximation, the extended - ion method and ab initio method have been used to investigate the f center migration between f ~ - layers, br ~ - layers and from f ~ - layer to br ~ - layer. we have calculated the energy barrier of these three f center migrationes and energy of f center, exciton energy. the results of f center and exciton are in good agreement with the experimential data
本文是在單電子hartree - fock近似的基礎上採用擴展離子方法和全電子從頭計算方法,研究了bafbr : eu ~ ( 2 + )晶格中的f ~ -離子層間的f心遷移, br ~ -層的f心遷移和f ~ -離子與br ~ -離子層間f心遷移過程中的能量勢壘和f心基態、激發態以及激子能量,對于f心和激子的研究結果與實驗符合的很好。It is indicated that the cavity modes blueshift with decreased radius, and on decreasing radii there is obvious anticross between the three polaritons resulted from interaction between cavity modes and its corresponding exciton modes
結果表明隨著微腔半徑的減小腔模能量藍移,腔模與相應的重空穴激子模、輕空穴激子模藕合形成的腔極化激元的三支隨著微腔半徑的減小存在明顯的反交叉行為。The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution
E11分佈,擬合的超熱電子有效溫度約200kev左右,超熱電子的最大能量約zmev ,加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加速機制。Ie protein have multiple functions, such as conversion of the host cell into a metabolically activate states, activation of viral early genes in the early phase, repression of their own transcription. ie 180 proteins can stimulate transcription from both homologous such as the icp4 of hsv ( herpes simplex virus ) and heterologous viral and cellular promoter such as - globe protein
經分析偽狂犬病病毒立即早期蛋白( immediate - earlyprotein180 , ie180 )的蛋白質結構,發現ie180具有轉錄激活因子的結構特徵,能與類rna聚合酶結合, ie180基因缺失突變體對sv40及cmv啟動子調控作用的研究,是考察ie180能否作為轉錄激活因子應用的關鍵。From discussing and analyzing the calculated outcome we obtain the conclusions as follows : 1. for the energies of the single electron in a square quantum wire with finite barriers, the former wavefunctions [ 12 - 14 ] are only available to the wide wires. for the oscillator strength of the single electron in a square quantum wire with finite barriers, the former wavefunctions are not appropriate
通過對計算結果的討論和分析,得到以下結論: 1 .對有限深方形量子線中單電子的基態能和第一激發態能,前人』 2一』 『 』所取波函數只適合計算寬阱時的情況,對有限深方形量子線中單Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively
其次,由於一直以來藍光oled器件的研究處于相對落後的狀態,其發光亮度、效率、穩定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的擴散被限定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光譜發生了從綠光到藍光的移動。By virtue of the stochastic bifurcation theory, the transition of the atom movement at a crack tip in fatigue damage system is investigated. using the singular point theory of one - dimensional diffusion process and the stochastic averaging approach of energy envelope, a micro - model to describe the atom movement at the crack tip in homoclinic bifurcation fatigue damage system, which is in the presence of stochastic perturbation, is established. after the study on the characteristic of the diffusion exponent, the drift exponent and the character exponent of the fatigue damage diffusion process on singular boundary, the bifurcation behavior of a homoclinic bifurcation fatigue damage system, which is in the presence of parametric white noise, is examined
採用隨機分叉理論,探討疲勞損傷系統裂尖粒子運動性質突變.利用一維擴散過程的奇點理論,並結合能量包絡的隨機平均法,建立了隨機擾動的疲勞損傷同宿分叉系統裂尖粒子運動模型,通過研究奇異邊界的擴散指數、漂移指數以及特徵指數特性,考查疲勞損傷裂尖粒子運動的同宿分叉系統受參激白噪聲影響的分叉行為We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band
另外,我們還對薄膜光致發光性質進行了分析和研究,結果表明:納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光, pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小,使薄膜的有效帶隙增寬; zno薄膜的紅色發光,一方面是zno顆粒尺寸的減少,帶間的激子發射峰越來越弱直至猝滅,另一方面主要是與zno晶格中的o空位有關,由深能級復合發光引起紅光發射。The proliferation, differentiation and secreting function of several hormone cells in pituitary gland, for example prl cells, are under the coordinate control of various factors. lim homeodomain factors play important roles during the development of pituitary gland
垂體中多種激素細胞,如prl細胞的增殖、分化和分泌功能受多種因子的綜合調控,其中lim同源結構域轉錄因子在垂體發育中發揮重要作用。In the effective mass approximation, using the two - dimensional equivalent potential model and a simple two - parameter wave function, we calculate variationally the ground state binding energy and correlation energy of positively and negatively charged excitons in finite deep gaas - al0. 33ga0. 67as quantum wells. the results show fair agreement with the previous experimental results
在有效質量近似下,我們採用二維等效勢模型,並且選取了數學形式簡單、物理意義明確的兩參數變分波函數,利用變分法數值計算了有限深gaas ? al _ ( 0 . 33 ) ga _ ( 0 . 67 ) as量子阱中帶電激子的基態束縛能及相關能,所得結果與實驗結果符合得很好。Firstly, we calculate variationally the binding energy and correlation energy of excitons in finite deep gaas - al0. 33ga0. 67as quantum wells. in the calculation, we consider the effect of effective mass and dielectric constant mismatch in the two materials. the results we obtained are basically conformed to the ones obtained from the previous theory and experiment
首先,我們計算了有限深gaas - al _ ( 0 . 33 ) ga _ ( 0 . 67 ) as量子阱中激子的束縛能,其中考慮到了阱和壘兩種材料中電子和空穴的有效質量以及介電常數的失配影響,我們計算得到的激子的束縛能及相關能與前人的理論結果和實驗結果基本上相符合。分享友人