To evaluate fracture instability, the total sum of stresses due to residual welding or rolling stresses, dead load, and live loads must be considered.
计算断裂失稳性时，必须考虑焊接或轧制残余应力，恒载应力和活载应力之总和。
The fact that this instability exists means that very soon after a fracture opens fluid flow begins to focus along tiny ripples and build some bigger channels at the expense of others.
这种不确定的存在意味着当一个裂缝打开后，流体开始集中为微小的涟漪，在破坏其他通道的条件下形成更大的通道。
The fact that this instability exists means that very soon after a fracture opens, fluid flow begins to focus along tiny ripples and build some bigger channels at the expense of others.
这种不确定的存在意味着当一个裂缝打开后，流体开始集中为微小的涟漪，在破坏其他通道的条件下形成更大的通道。
This particular fracture type, owing to its configuration and instability, poses significant challenges to the fixation method, especially in elderly patients with varying degrees of osteoporosis.
由于这种特殊的骨折类型的位置和不稳定，对固定方法造成了重大的挑战，特别是对伴有不同程度的骨质疏松症的老年患者。
Neurologic signs result from severe angulation of the spine, narrowing of the spinal canal, instability of the spine, and luxation or fracture of the vertebrae.
脊柱严重弯曲、椎管缩细、脊椎不稳定和椎骨脱位或骨折均能引起神经疾病。
Fracture of engineering site is one of the main disaster under the environment of the regional instability dynamics. At present, it still lacks systematical research.
工程场地破裂灾害是区域非稳定动力学环境下的灾害效应之一，但目前对其尚无针对性系统研究。
Various conditions such as fracture, dislocation, tumor, or infection adversely affect the thoracolumbar vertebral body and lead to instability.
胸腰段椎体容易发生骨折、脱位、肿瘤或感染等病变，不可避免地引起脊柱不稳定。
Objective: To explore the choice of operative treatment and internal fixation in cervical vertebra instability bending fracture accompanied by cervical spinal cord injuries.
目的：探讨下颈椎不稳定屈曲骨折并颈髓损伤后的手术治疗及内固定选择的适应症。
The plastic instability, i. e. multiple necking fracture before the fragmentation was fundamentally analyzed, and the fragments distribution was obtained from the energy balance theory.
对无氧铜在破碎前出现塑性失稳——多重颈缩进行了初步分析，利用能量平衡的破碎理论给出了无氧铜环的破碎分布。
Objective:To explore the treatment effect on fracture of instability thighbone by applying the small steel plate bolt together inside marrow nail fixed.
目的：探讨小钢板螺钉联合髓内钉内固定治疗不稳定性股骨及胫骨骨折的临床疗效。
This paper reported the early treatment for traumatic lower cervical spine instability in 94 cases with dislo'ca-tion or fracture-dislocation of lower cervical spine.
作者总结了94例下颈椎脱位或骨折脱位所致下颈椎不稳的早期处理的经验。
A subtle sign of instability is a fracture of the tip of the transverse process of L5, caused by avulsion of the iliolumbar ligament.
不稳定骨折的一项敏感指征是L5横突尖骨折，由髂腰韧带撕裂伤引起。
This paper puts forward the approaches for research of fracture effects from regional stability dynamics, and discusses the effects under the environment of the instability dynamics.
本文提出了工程场地破裂效应研究的区域稳定动力学方法，并对非稳定动力学环境下的破裂效应进行了初步探讨。
According to diffuse instability criterion, worked out the principle of verdicting the case of base fracture or side fracture and formulae of fracture limit BHF;
按照分散性失稳准则，推导出产生壁裂和底裂的判别条件和方盒形件成形过程中的极限压边力公式；
According to diffuse instability criterion, worked out the principle of verdicting the case of base fracture or side fracture and formulae of fracture limit BHF;
按照分散性失稳准则，推导出产生壁裂和底裂的判别条件和方盒形件成形过程中的极限压边力公式；
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