量子态

Utilizing the entanglement property of Greenberger-Horne-Zeilinger state, a theoretical scheme to realize multicontrol remote single qubit unitary transformation is presented.

提出了一个用三粒子纠缠的GHZ态作为量子信道实现多点控制的远程单比特幺正变换的操纵方案。

And p 1 in sample LM 4640, in the SdH regime, implies that the unscreened piezoelectric scattering is relatively important.

至於在样品LM 4646中，由p 2至p 1的变化在过去并没有被观察到，其变化的行为似乎也可能与绝缘态-量子霍尔相变有某些相关。

The factors A and the rate constants are given at temperature range of 200-1200 K.The results in-dicate that the loss of aβ-hydrogen from 2-hydroxyethyl radical to yield vinyl alcohol and that a 1,3-hydrogen shift to form ethoxy radical have close A factors and rate constants.

用量子化学结果和Eyring过渡态理论计算了200－1200K温度范围内，标题反应的A因子和速度常数，结果表明，2－羟乙基脱去β－H生成乙烯醇与其经［1，3］重排生成乙氧基有相近的A因子和速度常数，且常温下速度较慢，反应难以进行。

Several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory,including the "wave-particle duality" and the nonseparability of two-particle entangled s tate.

文摘：在1998年完成和分析的几个新的物理实验显示了量子理论的微妙性，包括"波粒二重性"以及二粒子缠结态的不可分性。

Basing on the equation of state and the thermodynamic properties of an ideal Bose gas, one can obtain the general expressions of the efficiency and work output of a Brayton power cycle using an ideal Bose gas as the working substance.

根据态方程和玻色气体的热力学性质，获得以理想玻色气体为工质的布雷顿热机效率和输出功的普遍表达式，分析气体的量子简并性对布雷顿热机性能的影响。

Quantum chemical and molecular mechanical methods were employed to study the acylation in the acetylthiocholine hydrolysis catalyzed by acetylcholinesterase.

应用量子化学和分子力学方法研究乙酰胆碱酯酶催化硫代乙酰胆碱水解反应中的乙酰化反应，计算了反应物、过渡态、产物及中间体的几何结构及电子结构。

A critical thickness of 10ML isestablished, at which the atomically flat Pb films become stable at room temperature.

在这种体系中，电子运动被半导体能隙和真空势垒限制在金属薄膜对应的势阱中，形成量子阱态。

We introduce some important characteristic lengths such as Fermi length, mean free path, phase-relaxation length and so forth. We also give the conditions in which electrons transport ballistically and derive the basic Landauer ? Btiker conductance formula in mesocopic physics. At last the quantum bound states in bent-structure are presented.

介绍了几个常见的特征长度（费米波长、平均自由程、相位相干长度等），说明了电子做弹道输运的条件，以及介观物理研究中最基本的Landauer-Buttiker电导公式，最后还阐明了弯曲结构中存在的量子束缚态。

The binding energies of the hydrogenic impurity states in a cylindrical quantum wire with finite deep potential well are discussed.

三、将模型进一步改进，考虑有限深柱形量子线中类氢杂质态的性质。

The effects of the external electric field on the hydrogenic impurity states in the GaAs quantum wire with a finite confining potential are studied by a variational method.

给出了杂质态结合能在不同的电场强度下随量子线半径、杂质位置的变化关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。