金属性

缺陷态的存在导致纳米管从电子结构性质上看呈现出金属性。

The presence of the defect states result in the metallicity of the nanotube .

文章指出现时对金属性定义的缺陷，并提出了对金属性的新认识。

This thesis points out the defects of the present definition of metallicity , and sets forth certain new understanding on metallicity .

金属性氧化物LaCuO3的高氧压合成及Cu~（3+）态的XPS研究

The high oxygen pressure synthesis of metallic lacuo_3 and the XPS Study on cu ~ ( 3 + ) state

淬火样品呈半导体性质，多数Tc（0）小于100K，而退火样品显示金属性，它们的Tc（0）都高于100K。

The latter gives metallic character and all their Tc ( 0 ) are higher than 110K .

用改进的MOD法在硅衬底上直接制备高度（100）择优取向的金属性LaNiO3薄膜的研究

Preparation of Highly ( 100 ) - oriented Metallic LaNiO_3 Thin Films Directly on Si Substrate by Modified MOD Technique

电子结构的计算结果表明，在费米能级处有明显的态密度，因此βSiC（001）（2×1）表面呈金属性。

The calculated results of electronic structure show that a prominent density of states exists at the Fermi level , so β _SiC ( 001 ) _ ( 2 × 1 ) surface has the characteristics of metal .

硼/氮共掺杂使金属性单壁碳纳米管转变成半导体

Converting Metallic Single-walled Carbon Nanotubes into Semiconductors by Boron / Nitrogen Co-doping

价带电子能谱结果表明这两种表面相为金属性.Rb3d芯态电子能谱测量进一步证实了表面Rb4C60和Rb5C60吸附相的存在。

Valence band photoemission results exhibit that the surface phases are metallic .

分子导线：半导体性-金属性组合的双壁纳米碳管

Molecular Cable : Semiconducting-Metallic structured Double-Walled Carbon Nanotubes

一种判断金属性短路的方法

A Kind of Approach for Judging Metal-F ault

超高压远距离输电线路非金属性短路暂态过程的新算法

A new approach to transient analysis for UHV transmission lines during short circuit through impedance

并且根据接地电阻的大小选择不同的暂态能量算式，故可判断金属性接地故障和高接地电阻接地故障。

Zero-sequence transient energy is calculated for low earthing resistance and single-phase transient energy for high earthing resistance .

或者是将故障相直接金属性接地把对系统危害较大的弧光接地转变为金属性接地。

Or earth the fault phase directly , then the arcing fault which is more harm to power system , is changed to metal earth fault .

与锯齿型石墨烯相比，扶手型石墨烯具有随边缘原子个数可表现出金属性或半导体特征的独特性质。

Different from the zigzag structure , the armchair type graphene shows the unique property of the metallicity or semiconductor characteristics in terms of the number of the edge atomics .

研究发现，含空位缺陷的锯齿型石墨烯纳米带都呈现出金属性的电子结构特征，其电学性质与缺失碳原子的多少密切相关。

The results show that all of these zigzag graphene nanoribbons with vacancy defect present the eletronic structures of metal , and their eletronic properties have a close relationship with the number of defect Carbon atoms .

应用线性响应理论，我们计算了输运系数，可以定性地解释材料温差电势率随温度变化的金属性和电导率随温度变化的半导体性。

We use a linear response theory to calculate the transport coefficients . The results can be used to explain qualitatively the metallic temperature de - pendence of thermoelectric power and the behavior of semiconductor-like conductivity .

方法：检测各代试样的抗拉强度、伸长率、硬度等机械性能指标，比较相应的金相学检查，气孔及非金属性夹杂物分析，化学成分分析。

Methods : To analysis the physical properties include tensile strength , elongation and hardness of each generational samples comparing the metallographic evaluation of porosity defects , non metal inclusions , grain structure and changed composition .

结合能带结构对光学性质的分析显示，这类材料的光学性质在低能区域由于自由电子的带内跃迁呈现出金属性，高能区域则通过价电子的带间跃迁呈现出半导体特性。

Analysis results show that the optical properties of these materials in low-energy regions are metallic because of the free electrons intraband-transition , and the transit to semiconducting properties in high-energy area is caused by valence electrons interband-transition .

分析了在不同地点的联络线上发生三相金属性短路时对于单机无穷大系统和两机系统的暂态稳定性的影响程度。

The influencing extent as well as the influence of three-phase metallic short circuit that occurs in different position of tie line on transient stability of one machine infinite bus ( OMIB ) system and that of two machine system are analyzed .

指出无论是原子的无序分布，还是氧空位所引起的无规势场增强，都会导致电子局域化增强，使得样品金属性减弱和超导转变温度降低。

It is suggested that the increase of the random potential caused by either the disorder distribution of atoms or the oxygen vacancies in the lattices can enhance the electron localization , weaken the metalic property and lower the superconducting transition temperature of the sample .

金属塑性变形抗力的BP神经网络预报模型

BP neural net prediction system for metal plastic deformation stress

一种金属络合性表面活性剂及其Cu（Ⅱ）配合物的合成和抗菌性

Synthesis and Antibacterial Activity of a Complexing Surfactant and its Cu (ⅱ) Complex

平面变形H型断面锻件金属塑性流动过程的数值模拟

The Numerical Simulation of Metal Plastic Flow on Forging of H Shape Section in Plane Deformation

含氟溴油对多种金属相容性的XPS研究

Research on Compatibility of Several Metals in Oil with F-Br by XPS

基于Marc的金属塑性加工有限元模拟

Finite Element Simulation for Metal Plasticity Processing Based on Marc

结果表明：W／γ-Al2O3吸附剂的吸附容量最大，是其它金属改性吸附剂的5倍。

The results indicate that W / γ - Al2O3 has the greatest adsorption capacity which is 5 times that of other metal modifiers .

稀土Ce和Gd铸锭采用冷轧的方式进行加工，然而稀土金属塑性差，易氧化，加工硬化率高，难于进行压力加工。

But rare earth metal easily is oxidized , and its plasticity is poor , its hardening rate is high , it is difficultly to execute pressure processing .

经过挤压和轧制后，SiC颗粒的分布沿金属塑性流动方向有明显的取向变化，在轧制过程中SiC颗粒的破碎明显。

After the composite 's being extruded and rolled , the SiC particles distributed along the direction of the metal plastic flow . The size of the particles reduced markedly in the rolling process .

DEFORM-2D和DEFORM-3DCAE软件在模拟金属塑性变形过程中的应用

Application of DEFORM-2D and DEFORM-3D CAE Program to Simulation of Metal Plastic Deformation

本文对TC4钛合金和钢异种金属焊接性的研究是以钛和钢的焊接性为基础的。

In this paper the weldability is analysed between TC4 titanium alloy and steel based on weldability of TC4 titanium alloy and steel .