束縛分子 的英文怎麼說
中文拼音 [shùfúfēnzi]
束縛分子
英文
bound molecule- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 縛 : 動詞(捆綁) bind; tie up
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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...
- 束縛 : tie; bind up; fetter; bound; constrain; rigid control; trammel
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We fhd that the energies have the following important properties : ( 1 ) the energies are positive and monoton - ically decrease to their arnowitt - deser - misner ( adm ) masses at spatial infinity ; ( 2 ) the energies have the correct newtionial limiting, and include the binding energies from the gravitation ^ electrostatic charge and dilaton charge, respectively ; ( 3 ) martinez ' s conjecture is valid for such black holes
結果表明該能量具有如下幾個重要特徵: ( 1 )該能量是正定的,且隨徑向坐標單調遞減,在無窮遠處為黑洞的adm質量; ( 2 )該能量具有正確的牛頓極限,並包含有分別來自於引力、靜電荷和伸縮子荷的束縛能; ( 3 ) martinez猜測對這些黑洞依舊成立。In 1990s, a calculation of the ground - state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v. branis and k. k. bajaj. a. balandin and s. bandyopadhya present variational calculations of the ground - state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field. these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field
九十年代中期,人們就開始了關于在外加磁場時量子線中激子特性的研究, gangli , spirosv . branis和k . k . bajaj利用變分法,對于圓柱形的量子線中激子的基態束縛能進行了計算,發現對於一個給定的磁場值,激子的基態束縛能比不加磁場時變大。Zno is a directed band semiconductor with a big binding energy. it has gained substantial interest because its large exiton binding energy ( 60mev ), which could lead to lasing action based exiton recombination even above room temperature, such as led, ld and so on
Zno是一種寬禁帶的直接帶隙半導體材料,具有非常高的激子束縛能( 60mv ) ,即使在室溫條件下激子也不會分解,因此可以被用作光發射器件,如led和ld等。In addition, some interesting questions are discussed in this thesis, for example, the effect of the configuration of nucleon on the density distributions, the sequence overturn between the 2s1 / 2 and 1d5 / 2 energy levels when the neutron halo exists, the existence of the proton halo nucleus, and the appearance of new magic number ( n = 16 ) under the weak bounded condition, etc.
此外,論文中還討論了一些令人感興趣的問題,如核子能級組態對密度分佈的影響、中子暈存在時2s1 / 2與1d5 2能級次序的翻轉、質子暈核的存在以及弱束縛條件下新幻數n = 16的出現等等。The investigation on the halo structure of drip - line nuclei is one of the most important subjects and has attracted much attention both experimentally and theoretically. the halo nucleus is a weakly bound system, which has very peculiar properties
暈核是弱束縛系統,具有非常特殊的性質,最外層的價核子具有非常彌散的空間分佈,通常採用核芯加暈核子的少體結構近似。In photodetectors the wavelength response is not uniform at all wavelengths, but a threshold energy exists, determined by the semiconductor energy gap between bound and free carriers.
光子探測器對不同波長的分光響應是不同的,但是存在一個由束縛和自由載流子之間的半導體能隙所確定的能閾。Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev. on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the ; that the received spectroscopic factors used vfm ( r ) are better than that used ; that the former not only suits to the elastic scatterings but also to the knockout reactions ; that the a cluster of knockout reactions are its local behaviors of surface. and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough
在利用上述的兩種束縛態波函數和兩種光學勢的基礎上,我們研究了一系列的敲出反應:通過對比兩種束縛態波函數和光學勢,我們得到的結論是:兩種束縛態波函數和光學勢對反應截面的能量分配譜的貢獻都比較好,但尤以波函數_ ( li ) ( r )為佳;光學勢v _ ( clu ) + ( r )得到的光譜因子比用woods - saxon勢v _ ( ws ) ( r )的結果要好,它不僅能適用於彈性散射,且對敲出反應也能得出比較好的結果;集團的敲出反應是集團表面局域性的表現:在中低能的入射條件下,扭曲效應不能忽略,但入射能量較高時,扭曲效應影響較小,可以用平面波沖量近似的方法。We process calculations as the following : we calculate the binding energies of excitons in a square quantum - well wire in presence of a magnetic field for finite and infinite potential barrier case respectively
A . balandin和s . bandyopadhyay也是利用變分法,採用二能帶模型計算了在外加磁場時的量子線中激子的基態束縛能。In the second part, we discuss the binding energy of the impurity in finite gaas / gai. xalxas quantum wire in the first place, in which the dismatch of effective mass and dielectric constant between the well and the barrier is taken into account
在第二部分,首先討論了有限深gaas ga _ ( 1 - x ) al _ xas量子阱線中雜質態的束縛能,其中考慮到了阱壘中電子有效質量及材料中介電常數的失配性。The generic methods for the calculation about the binding energy of d - centers are variational and diffusion quantum monte carlo methods
在計算d ~ -中心的束縛能時,理論工作者們一般採用的是變分法或離散量子蒙特卡羅方法計算d ~ -中心的基態能。The effect of an applied electric field on the binding energy of shallow donor impurities in rectangular cross section gaas qwws was presented by montes et al, by considering an infinite confinement potential and using a variational scheme
外加電場對矩形量子阱線中淺施主雜質束縛能的效應是由montes等人提出的,他們採用變分法討論了無限深勢阱的量子線結構。Particularly an analytical expression for the longitudinal momentum distribution is derived if the density distribution of halo nucleons is assumed as a gaussian type function. a direct connection of the width of the momentum distribution to the bound state wave function of halo nucleons is established
特別是在暈核子的縱向和橫向密度分佈可分離的情況下,如高斯密度分佈,進一步求解了縱向動量分佈寬度的解析形式,建立了分佈寬度與暈核子束縛態波函數之間的直接聯系。In this paper, based on the previous works, we study the quality of a hydrogenic impurity in gaas / gai - xalxas rectangular quantum wires in detail. using variational approach, we calculate the binding energy and the photoionization cross - section of the impurity in the system
本文在前人工作的基礎上,詳細研究了矩形截面gaas ga _ ( 1 - x ) al _ xas ( x = 0 . 3 )量子阱線中的類氫雜質體系的性質,採用變分技術計算了此體系的束縛能及其光致電離截面。Therefore j / v is the border guard of perturbative quark and gluon and non - perturbative hadron. j / v production can be divided into two phases : cc pairs are produced from initial short - range parton scattering in nucleus - nucleus collision, then the produced cc pairs proceed to evolving into physical bound state
基於對強子?強子碰撞中j產生的研究,目前人們認為j的產生可分成兩個階段:入射強子和靶強子先通過部分子過程產生cc對,然後cc對再演化為物理的j束縛態。In the first part, following ref [ 27 ], the expression of the envelop function is obtained. then, considering the dismatch of effective mass between the well and the barrier, using the variational approach, we calculate the binding energy of hydrogenic impurity
在第一部分,我們按照文獻[ 27 ]中的方法,得到了包絡函數的表達式,並利用變分法計算了類氫雜質的束縛能,其中考慮了阱壘中電子有效質量的失配性。In the first part, the scaling rule for the hydrogenic impurity binding energy and the virial theorem value ( potential - to kinetic - energy ) in infinite quantum wells and quantum wires of rectangular cross - section with three different aspect ratios are studied through the variational method
在第一部分,利用變分法計算了無限深gaas矩形量子線和量子阱中類氫雜質束縛能的度規法則和維里定理值。The binding energies of excitons are calculated with the use of variational approach, we consider the mismatch of effective masses between the well and the barrier in the process of calculation, calculate and talk about the virial theorem values in square quantum - well wires in presence of a magnetic field
本文採用變分法,在外加磁場條件下分別計算了激子在無限深和有限深方形量子線中的基態束縛能。在計算的過程中進一步考慮了阱,壘中粒子有效質量不匹配的影響,最後我們計算並討論了外加磁場情況下的維里定理。With watering and nurturing, we hope to encourage the germination, growing and flourishing of creativity, and release the vitality in multi - media creation ! this years ifva continues the tradition of providing four arenas for local media creators, namely open category, youth category, animation category and single - screen - based interactive media category. hence, whether animators, cineastes or advocators with ideas for more than one medium can feel at home
今ifva繼續為本地媒體創作分子開設公開組、青少組、動畫組及單螢幕互動媒體組四組擂臺,無你是繪畫得還是攝制高超,甚至諗頭多多、反對媒體單向束縛的作動分子,都可一展所長、盡情發揮。Ca2 + ions from the reactants attended to be absorbed in the diffusion dilayer by the so3 - anion. calcium ions could compress the diffusion dilayer and reduce the aggregation number of aot molecular because of the higher charge density. the absorbance of ca2 + ions change of phase diagram of system and water core diameter
反應試劑溶液中的ca ~ ( 2 + )離子傾向于被吸附在aot極性頭基的- so _ 3 ~ -陰離子附近,壓縮了極性頭基水解產生的擴散雙電層,使得aot分子的聚集體變小,也使得處于束縛狀態的水分子數量減少。Because of the strong stiff of the electron occupation probability equation, we adopt mutipletime - scale perturbation theory to transfer them into algebra equation and differential equation with low stiff
束縛電子占據概率速率方程組具有很強的剛性,我們採用多時標微擾論方法,將其變換成代數方程組和剛性較小的微分方程組求解。分享友人