For verification purpose, we construct a linear edge perfect dislocation with Burgers vector b=[110]/2 and a partial dislocation ring with b= [112]/6 in FCC copper.
该方法的优点在于可以方便地构造出其他传统方法难以构造的位错闭合结构－位错环，从而使位错环的细致研究成为可能。
However, the pure edge dislocation is easily etched along the dislocation line, inducing an etch pit of inverted hexagonal pyramid aligned with the surface step.
纯刃位错易于沿位错线被腐蚀，因而其腐蚀坑是沿着表面阶梯分布的尖底倒六棱椎。
The third part of this thesis is to investigate the interaction between a dislocation and an edge crack in MEE strip with two cases.
第三部分分析了两种双磁电弹条形介质中位错与界面边裂纹的相互作用。
Results In 84 cases of nerve root type, stenosis was found in 438 intervertebral foramen, of which C6～7 and C5～6 intervertebral foramen stenosis accounted for 79.6%.The causes of intervertebral foramen stenosis were uncinate process articulation hyperosteogeny, intervenebral disc protrusion, vertebral body hypertrophy, zygapophysis hyperosteogeny and dislocation etc.40 cases of vertbral artery type manifested that vertbral artery became slim and deviousness as a result of the compression of vertbral artery （20.7%） by osteophyte.22 cases of myeloid type manifested with cervical spinal canal stenosis, hyperosteogeny of posterior vertebral body edge, posterior longitudinal ligament calcification and cervical intervertebral disc protrusion etc.
结果 84例神经根型中，发现椎间孔狭窄438处，其中C5～6和C6～7椎间孔狭窄占79.6%，椎间孔狭窄的成因有钩突关节骨质增生、椎间盘突出、椎体肥大、小关节突骨质增生、错位等；40例椎动脉型表现为骨赘压迫椎动脉（52.5%），导致椎动脉变细、粗细不均和椎动脉迂曲。22例脊髓型表现为颈椎椎管狭窄、椎体后缘骨质增生、后纵韧带钙化、椎间隙狭窄和颈椎间盘突出等。
［Objective］ To analyze the outcome of internal fixation for occipitalization with atlantoaxial joint dislocation by posterior decompression and occipitocervical fusion ［Method］ From December 2005 to June 2007, 8 patients with occipitalization and atlantoaxial joint dislocation received removal of the posterior arcus of atlas and the enlargement of the posterior edge of the foramen magnum after skull traction performing for an average of 135 daysAll patients were operated on by posterior craniocervical fusion using cervifix internal fixation system and autologous ilium graftsThe clinical efficacy after operation was analyzed by Japanese Orthopaedic Associationneural function score ［Result］ All the patients were followed up from 6 months to 2 years, average of 15 monthsNo complication was foundAtlantodental interval was 5~9 mm before and 4~6 mm after skull tractionAtlantoaxial joint dislocation didn't completely reducedThe neurological defects were improved to some extents according to the JOA scoreImageology showed all patients had full decompression and bony fusionThe loosening or broken internal fixation was not found ［Conclusion］ Posterior decompression and fusion is a feasible method for the treatment of occipitalization with atlantoaxial joint dislocation, and the clinical effect is satisfactory
分析后路减压枕颈融合内固定术治疗合并寰枢关节脱位的寰椎枕骨化临床疗效。［方法］2005年12月至2007年6月间，对8例合并寰枢关节脱位的寰椎枕骨化患者在行颅骨牵引治疗一段时间（12~16 d，平均135 d）后采用枕骨大孔后缘扩大，寰椎后弓切除减压取自体髂骨枕颈融合Cervifix系统内固定术，手术后采用日本骨科学会神经功能评分分析临床疗效。［结果］8例患者随访6个月~2年，平均为15个月。8例患者无一例出现术后并发症，术前寰齿前间隙为5~9 mm，经颅骨牵引后为5~7 mm，寰枢关节脱位未能完全复位。手术前后JOA评分示神经症状均有不同程度恢复，影像学检查示枕颈区减压充分植骨区获得骨性融合，无一例出现内固定松动或断裂。［结论］合并寰枢关节脱位的寰椎枕骨化患者术前仔细评估影像学改变，采用颅骨牵引一段时间后行后路减压枕颈融合内固定术的治疗方案是合理可行的，且临床效果满意。
In the study of defect problems in elastic media, first, the uniform stress fields within a three-phase anisotropic elliptic inclusion in anti-plane shear is discussed; second, an exact solution is given for an edge dislocation in a three-phase composite cylinder model with a sliding interface; finally, an analytic solution is derived for two circular inclusions with circumferentially inhomogeneously imperfect interfaces interacting with a circular Eshelby inclusion in anti-plane shear.
在对弹性介质缺陷体问题的讨论中，我们首先探讨了面外剪切变形下各向异性三相椭圆夹杂中均匀应力场；其次研究了具有滑动界面的三相圆柱复合模型中的刃型位错问题；最后分析了面外剪切下具有环向非均匀界面的两个圆柱异相夹杂与一个圆柱Eshelby夹杂的相互作用问题。
Owing to the absence of bonding by a double adhesive tape, the structure can avoid a plurality of problems during the adhesive sticking process, such as the turning up of the tackless edge, the dislocation of sticking, and not suitable for replacement, etc.
该结构由于避免了双面胶的粘结，避免了粘贴过程中的一系列问题，例如开胶边缘翘起，粘贴错位，不宜更换等。
The results show that the ones of low-angle and sub-boundaries are 1.55±0.051° and 0.32+0.037° respectively, as well as the curved angle of the crystal by single edge dislocation is 0.22±0.036°.
亚晶界的取向差为0.32°±0.037°。并对单个刃位错产生的错向角进行了测量，结果是：0.22°±0.036°。
It shows that the dislocations moving on the octahedral planes are screw ones in the anomalous temperature region and the dislocation moving on the cube plane are edge ones in the temperature region above the peak temperature.
位错线的空间分布分析和TEM观察表明：在位错运动速度反常区，测量的八面体滑移面上的位错运动速度是螺型位错的运动速度；高温区测量的立方体滑移面上的位错运动速度则是刃型位错的运动速度。
The second part of this thesis is to study the interactions of a dislocation with an interfacial edge crack in a MEE bi-material.
第二部分为磁电弹双材料中位错与界面边裂纹相互作用的探讨。
The electronic structure (Fermi energy level, structure energy, environment sensitive embedding energies etc) of αTi grains, edge dislocation and the crack were calculated by using Recursion method. The effect of alloys element Mo and V on βphase atomic binding energy was calculated and analyzed.
利用递归法计算了位错、裂纹及α相晶粒的电子结构（费米能级、结构能、环境敏感镶嵌能等），计算并分析了合金元素Mo、V对β相原子结合能的影响。
The interaction between edge dislocation and solute atoms in Al-Mg alloy was studied with 3D molecular dynamics simulation.
运用分子动力学方法，模拟了三维条件下铝镁合金中刃型位错和溶质原子间的相互作用。
Channel stress is simulated by using mask-edge dislocation model and actual stress is also measured by Raman spectroscopy.
沟道应力的模拟方法则采用掩膜版边缘错位模型（mask-edgedislocationmodel），应力测量方面采用拉曼光谱法。
Results The major CT findings in the cases were relative bulginess of the intervertebral discs adjacent to the vertebral edge, partial dislocation of the facet joints and the change of the vertebral canal.
结果椎间盘相对性相反方向膨出相邻椎体边缘，椎间小关节半脱位及下位椎体上缘层面椎管矢状径的改变具有CT表现的特征性，是CT诊断腰椎退变性滑脱症的主要依据。
Edge dislocation emissions from Mode I, Mode II and mixed-mode crack tips along multiple inclined slip planes are simulated, and plastic zones as well as dislocation--free zones are obtained.
用细观断裂力学研究了刃型位错从I型、II型及I+II复合型裂纹尖端沿多个滑移面的发射以及裂纹周围无位错区和塑性区的形状和大小。
Atomistic Simulation of the Interaction of Edge Dislocation in BCC Iron and Copper Precipitates
BCC铁中刃型位错与铜沉淀物相互作用的原子尺度模拟
To study the influence of the elastic strain field due to different edge dislocation group on solute precipitation. Revealed the morphology characteristic and the diffusion law of the solute precipitation reasonably.
本文建立了浓度场与弹性应变场相互作用的自由能函数，用于研究位错不同组态的应力场对溶质析出的影响，合理地揭示了溶质析出的形貌特征及扩散规律。
Electronic structure and doping effect of kink in edge dislocation of body-centred cubic iron
Fe中刃型位错上扭折及掺杂体系的电子结构
A light rope made of two loosely twisted strands. Electronic structure and doping effect of kink in edge dislocation of body-centred cubic iron
细索两股松松地扭结在一起的轻质绳子Fe中刃型位错上扭折及掺杂体系的电子结构
Solution of the double harmonic equation in the elasticity stress field of edge dislocation
刃型位错弹性应力场的求解