查询词典 quantum theory

By studying and summing up the common failure physical models and combining with the quantum mechanics theory on the relationship between the electronic equipment aging reaction rate and tempreture-humidity,a hygrothermal aging life model for solid propellant storage and usage is established with the propellant mechanical properties as the research object.

通过对常用失效物理模型的分析和总结，结合量子力学理论关于电子产品老化反应速率与环境温、湿度的关系，以推进剂力学性能参数为研究对象，建立了固体推进剂贮存使用寿命的湿热老化模型，并通过试验数据拟合得到具体的经验公式。

This research is built on a model that classifies the bio-molecules into two systems,harmonic oscillators and bipolar inharmonic oscillators. It discusses the local interaction of laser on certain links and bonds of bio-molecule by using quantum mechanics based on laser theory and bio-molecule structure.

在对激光和生物分子结构及其运动特性进行研究的基础上，将生物分子的按&谐振子&和&偶极非谐振子&模型处理，用量子力学讨论了激光与生物分子某些链、键的局域相互作用。

By using the band mixing tunnelling resonant theory in quantum well and the Monte Carlo simulation,the static and dynamic performances of GaAs/AlAs heterostructure intervalley transferred electron devices are investigated.

半导体超晶格国家重点实验室，北京 100083；南京电子器件研究所，南京 210016 使用量子阱能带混合隧穿共振理论及Monte Carlo 模拟方法计算了GaAs/AlAs 异质谷间转移电子器件的静态和动态工作特性。

In the paper, a series of metallorganic compounds have been studied by the quantum-chemical calculation with proper basis sets, including:1. a series of carbonyl complexes.2. dibenzene chromium and its derivatives3. ferrocene and its derivatives4. a series of metallic complexes with acetylacetoneWe optimized the geometric configurations of a series carbonyl complexes including Ni4 Fe5, Cr6 with density functional theory B3LYP method at the different levels and confirmed the stable geometry by vibrational analyses. Then we calculated the nuclear magnetic resonance spectra with GIAO method provided by GAUSSION98 program at the different levels.

本文用量子化学计算程序，用密度泛函B3LYP方法，在恰当基组水平上，用GAUSSIAN98程序提供的GIAO方法研究了系列金属有机化合物的核磁共振谱：一、羰基配合物系列：二、二苯铬及其衍生物系列：三、二茂铁及其衍生物系列：四、乙酰丙酮的配合物系列：我们用密度泛函B3LYP方法，在不同基组水平上对第一过渡系羰基化合物的系列配合物进行了结构优化，通过振动分析确定其稳定构型，然后再用密度泛函B3LYP方法在不同基组水平上，用GAUSSIAN98程序提供的GIAO方法计算其核磁共振谱。

The adsorption of nitrogen oxides on ion exchanged mordenite was investigated by quantum chemical calculation based on density functional theory methods.

选择2T簇模型代表丝光沸石结构，采用密度泛函理论研究氮氧化物在离子交换丝光沸石中的吸附。

The entangled properties of motorial atom and field in the two-photon Jaynes-Cummings model with atomic motion are studied by using the quantum information theory.

用量子信息理论研究具有原子运动的双光子Jaynes-Cummings模型中运动原子与光场的纠缠特性。

At first we discuss how noncommutative geometry arises in quantum mechanics and formulates simple noncommutative field theory.

我们讨论了非对易几何在量子力学中是如何产生的，描述了最简单的非对易场论。

In the recent year, more and more physical problems on the noncommutative background are regarded as important for people with the study of the quantum Hull Effect and the string theory.

近几年，随着对量子霍尔效应和弦理论的研究，越来越多的非对易背景上的物理学问题引起人们的重视。

Then we formulates simple basic definition of fuzzy sphere, two kinds of quantum Hall effect and noncommutative Chern-Simons theory.

接着对模糊球、两种量子霍尔效应以及非对易Chern-Simons理论的基本概念作了简单的描述。

Based on the theory proposed by Walls et al, an experimental scheme of quantum non demolition measurement for intensity difference fluctuations is put forward, which is realized though a nondegenerate optical parametric amplifier.

提出了一种强度差起伏量子非破坏性测量的实验方案，该方案通过一个非简并光学参量放大腔实现。

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％。