查询词典 atom model

The numerical model of non-linear wave in harbor, including the non-coupled and non-linear wave numerical model, the numerical model combined Boussinesq equations with Laplace equation and the coupled numerical model combined Boussinesq equations with Euler's equations, are studied.The studies on non-coupled and non-linear wave numerical model are following.

本文分别以Boussinesq方程，二维和三维Laplace方程，欧拉方程和牛顿第二定律作为基本控制方程，分别从非耦合非线性波浪计算模型(指单独采用一个计算模型：本文指Boussinesq方程，或边界元法解Laplace方程，或有限元法解Laplace方程)、Boussinesq方程与Laplace方程耦合计算模型、Boussinesq方程与欧拉方程耦合计算模型三个方面对港口非线性波浪计算模型展开了研究。

From the curve, we linearised the CCS nonlinear model and constructed the T-S fuzzy model of the unit by linking together the linear models of the unit with membership functions. A kind of fuzzy supervisory control system in which using the multi-variable inner model controller or robust controller as its local controller and T-S fuzzy model as the inner model of the supervisory controller has been proposed.

本文的研究内容集中在如下几个方面：根据非线性系统平衡流型和非线性测度的定义，提出了关于平衡流型参数的相对非线性测度的概念，据此绘出了一个具体单元机组机炉协调控制系统模型的相对非线性测度曲线，对此协调控制系统非线性模型进行了线性化，并用隶属度加权的方法将各线性化模型连接成协调控制系统T-S模糊模型。

Secondly, it aimed the research on model and method of railway large-sized passenger terminals emergency capability assessment. It designed the emergency capability assessment index system including the MECE principle during the design. After in-deep studied the hierarchy entropy analysis method to dealing with the weight, it calculated the weights of the emergency capability assessment indexes. And it studied the risk assessment model based on the set-valued statistics and fuzzy comprehensive evaluation model, proposed the emergency capability assessment model based on the risk. During the research on the fuzzy comprehensive evaluation model, the paper improved the circular distribution subordinate function to calculate the index membership.

其次，对铁路大型客运枢纽站突发事件应急能力评价的模型和方法进行了研究，建立了应急能力评价指标体系，提出了MECE评价指标设计原则；深入研究了确定指标权重的层次熵分析法，并计算出了铁路大型客运枢纽站突发事件应急能力评价指标权重；构建了集集值统计风险评价模型和模糊综合评价模型于一体的风险应急能力评价模型，并在模糊综合评价研究中，改进了确定单指标隶属度的圆形分布隶属函数法。

Bohr's proposal that the atom existed only in a discrete set of energy states still remains relevant, known as the Bohr atomic model, though it has been replaced scientifically.

玻尔的提议，即原子只存在于一个独立的国家的能源仍然是相关的，被称为玻尔原子模型，虽然它已取代科学。

In this thesis, the contribution of electric quadrupole (E2) and higher pole transitions to the opacity of hot and dense plasmas of element aurum is taken into account by using an average-atom model.

因此本文在有心力场单电子近似下，利用平均原子模型研究了电四极及更高阶跃迁对金元素的高温稠密等离子体辐射不透明度的贡献。

Combining the idea of quantization and the semi-classical hydrogen model of Bohr, the structure of atom is described. Solving the Schrodinger equation, the deduced wave function is related to the probability of finding the electron in space.

经由波尔之半古典的氢原子模型，结合量子化的概念以解释原子结构，并引入薛丁格方程式所求得之波函数与电子之空间机率的关系。

The agriculture soils of Baimahu ,Lushan and Zoujiao are the typical cases in the suburbs of Changde. Rice soil and vegetable plot are the two typical agriculture soils, we collected 6 samples according to the scientific method in these three areas. After air dry, contuse, screen and make soil samples, we tested their 9 indexs of PH, organic-substance, total phosphorus, quick-acting phosphorus. Then analysed the fertility condition of these areas. Then apply feasible suggestion of fertilizer after putting forward science and suiting measures to local conditions etc, by Compare with the documents and materials. Absorb to Model TAS-986 atom spectrophotometer examine with flame law (air - acetylene ) terms of potassium make deep discussion especially.

白马湖，芦山乡和陬郊的耕作土壤是常德市郊区耕作土壤的典型代表，在这三个地区分别就水稻土和菜地这两个基本的土地耕作类型按科学的方法共采集了6个样品，经过风干，研碎，过筛制成土样后，测定了它们的PH，交换性酸，有机质，全磷，速效磷等9指标，从而对该地区耕作土壤肥力状况进行分析，对比文献资料，总结分析结果，针对不同地区不同的土壤状况，提出了科学施肥，因地制宜等可行性建议，尤其是对TAS—986型原子吸收分光光度计用火焰法测钾的条件作了深入的探讨。

In this model the carbon atom amount, which exist in austenitic crystal lattice, decided the structure size.

在这一模型中决定"有序簇聚结构"尺寸的一个重要因素是奥氏体晶格点阵中实际固溶的碳原子数量。

In this paper, the theoretical model of CQI is described in an atom-diatom system in the condition of the molecular beam, based on the first-Born approximation of time dependent perturbation theory, taking into accounts the anisotropic Lennard-Jones interaction potentials. The method of observing and measuring correctly the differential interference angle is presented. The relation between differential and parameter, velocity is obtained. The relation of the integral interference angle and temperature is discussed.

文中利用一阶含时波恩近似和L-J相互作用势，建立了原子-双原子分子碰撞系统转动传能的量子干涉模型，描述了观察和测量微分干涉角的方法，得到了微分干涉角与碰撞半径和碰撞速度间的关系，同时也得到了积分干涉角和实验温度的关系。

In this paper, we adopt two types of model of a three-level atom in a double-band photonic crystal described respectively by isotropic and anisotropic dispersion relations at the band edges.

在本文中，我们采用双带光子晶体中的两种三能级原子模型，它们分别由禁带边缘的各向同性和各向异性的色散关系描述。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了