Such resistivity is caused by the lack of oxygen in the central segment, impurity migration, and defect movement in the course of sintering and cooling.
电阻率的这种分布是由于在样品烧结过程中,中心部位缺氧,表层富氧;冷却时杂质向表层迁移,缺陷移动所致。
Effect of three kinds of Fe vacancy defects on magnetic and electric properties of Fe_3F_4 is calculated by using the first principal potentials.
采用第一性原理赝势法计算了3种Fe空位缺陷对Fe3F4磁电性能(能态密度、电荷分布、分子磁矩等)的影响,并利用配位场理论分析了3种空位缺陷影响Fe3F4磁电性能的微观机理。
To investigate the dislocation motion characteristics in low-temperature(LT) buffer during the growing process of lattice mismatched heterostructure,a 60° dislocation dipole and 5 types of ring-shaped hexagonal vacancy defects with their different relative positions to the dislocation are modeled in a Si crystal via molecular dynamics simulation.
为了研究晶格常数不匹配的异质结结构(Si1-xGex/Si)在生长过程中低温缓冲层内的位错运动特性,在Si晶体中建立了60°位错偶极子,以及相对于位错不同空间位置的5种六边形环状空位缺陷模型。
In addition,how the motion of screw dislocation is affected by a vacancy defect is investigated.
在此基础上进一步研究晶体内的空位缺陷对螺位错运动的影响。
Application of wavelet-neural network in defect location non-destructive testing of MDF;
小波-神经网络在MDF缺陷定位检测中的应用
Defect location,representative defect and its ultrasonic echo characteristics corresponding of tungsten alloy shells had been systematically studied by both vertical wave sensors and transverse wave sensors calibrated after manufacturing.
采用纵波直探头和自磨制经校准的斜楔横波探头,对钨合金壳体部件进行了检测,并对钨合金壳体的缺陷定位、典型缺陷及其对应的回波特征进行了研究。
This paper introduces the method to the defect location in the scarf welding joint by ultrasonic test,which can be adopted in the construction site.
探讨了斜面焊接接头超声波探伤中缺陷定位的方法,可供现场施工实际探伤时采用。
The First-Principle Calculation of SrTiO_3 for Vacant Defect and Substitutional Doping
SrTiO_3空位缺陷及替位掺杂的第一性原理计算
The divacancy-defect effect of armchair graphene nanoribbons
扶手椅型石墨纳米带的双空位缺陷效应研究
First-principles Study of Point Defects in Anatase TiO_2
锐钛矿型TiO_2空位缺陷性质的第一性原理研究
The vacancy defect clusters in polycrystalline pure aluminum induced by high-current pulsed electron beam
强流脉冲电子束辐照诱发多晶纯铝中的空位缺陷簇结构
The electronic structure and transport properties of graphene nanoribbons with divacancies defects
双空位缺陷石墨纳米带的电子结构和输运性质研究
Vacancy Clusters Defects of Aluminum Induced by High-energy Beam Radiation;
高能束辐照下铝中空位簇缺陷的形成与演化
Spatial Position Visualization of Weld Defects Based on Secondary Development of Pro/E
基于Pro/E二次开发的焊缝缺陷空间位置可视化
Spatial Locating and Visualization of Defects in Precision Weldments with Complex Structure
复杂结构精密焊件中缺陷空间定位及可视化
Effects of vacancy structural defects on the elastic properties of carbon nanotubes
空位结构缺陷对C纳米管弹性性质的影响
Defects per unit (DPU) represents the number of defects divided by the number of products.
单位缺陷数反映某产品中缺陷的总数.
stop (up) a gap
填补空白，弥补缺陷
These defects and vacancies could be what, in effect, undergo Bose-Einstein condensation.
这些缺陷和空位，可能就是实际上发生玻色?爱因斯坦凝聚之处。
Segmentation and Spatial Locating of Defects in Precision Weldments with Complex Structure;
复杂结构精密焊件中缺陷分割及空间定位的研究
Electrochemical Studies on the Ionic Charge Transfer Properties of the Oxygen Vacancy Defects in the Oxide Films Formed on Titanium
钛表面二氧化钛膜中氧空位点缺陷传输性能的电化学研究
Impact of Relative Spatial Location between Crack-like Defect and MF on MLF Detection
表面类裂纹缺陷与地磁场相对空间位置对漏磁场检测的影响
Point Defect - A crystal defect that is an impurity, such as a lattice vacancy or an interstitial atom.
点缺陷-不纯净的晶缺陷，例如格子空缺或原子空隙。
Another possibility is that the crystal of helium contains numerous defects and lattice vacancies (yet another effect of the zero-point motion).
另一种可能是氦的晶体中有许多缺陷和晶格空位（也是零点运动所造成的）。
Air pollution, birth defects linked
出生缺陷与空气污染有关