所述尿道扩张导管包括设置在所述扩张导管内的上皮和闭孔装置。
The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.
氮霜，鳞纹理板，孔，是对升华和沉积模式的见证，由于稀薄的大气通过循环的扩张和崩溃。
Scaly textures in a veneer of nitrogen frost bore witness to patterns of sublimation and deposition, as the thin atmosphere breathed through cycles of expansion and collapse.
本文根据圆柱孔扩张理论分析了在单桩周围和群桩内部土中产生的打桩挤压应力，并与室内模型试验和工程实录资料作了比较。
Based on the cylindrical cavity expansion theory, the squeeze stress induced by pile driving in soils around a pile and inside cluster of piles is analyzed.
结合实验探讨了冷扩张过程对钢轨螺栓孔疲劳寿命的影响方式和效果。
By comparing with the experimental results, a detailed discussion on the influence of cold expansion on the fatigue performance of rail bolt hole was presented.
根据他人已有的关于材料应变软化模型的球(柱)形孔扩张问题的解，建立了压密灌浆中的浆泡扩张模型。
According to the former solution of spherical or columnar hole about material strain-softening model, the model for grout bulb expansion is formed in compaction grouting.
在考虑塑性区内不排水强度是扰动度的对数函数的基础上，得到了考虑扰动的球形孔扩张的弹塑性解答。
On the basis of the undrained shear strength being the logarithm function of the disturbance degree, the elastoplastic solution of the cylindrical expansion is obtained.
建立了拉压模量不同及应变软化特性材料的柱形孔扩张理论。
An expansion theory of cylindrical cavities in strain-softening materials with different moduli in tension and compression is presented.
提出多边形孔蜂窝钢梁设计的最佳扩张比和确定最佳梁墩宽度的方法。
This paper proposed optimum ratio of extend to the design of polygon hole honeycombed steel beam and the method for the choice of the optimum width of beam pier.
结果表明，冷扩张过程所引入的切向残余压应力能保持足够的强度，以对钢轨螺栓孔起到显著的防裂和止裂作用。
It is concluded that, the residual stress induced by cold expansion can maintain enough strength to prevent and retard fatigue crack initiation and growth in rail bolt hole.
分析了剪胀和软化程度对球孔扩张时的应力、位移、塑性区半径及极限扩张压力等方面的影响，并将大、小应变理论的结果进行了比较。
The influence of softening extent on stress, displacement and the radius of plastic zone during expansion as well as the extreme expansion pressure are studied.
运用有限应变理论，可以将球孔扩张塑性区内的平均体积应变以解析方法导出，方便了数值化计算。
By incorporating the theory of finite strain, the model is capable of evaluating the mean volumetric strain analytically, thus facilitating the procedure of numerical calculation.
由于试验挤土过程与孔扩张过程具有很好的相似性，故多采用柱形孔扩张理论对旁压试验机理进行分析。
The process of soil-squeezing is similar to cylindrical cavity expansion so that most of interpretation for SBPT is based on the theory of cavity expansion.
由于试验挤土过程与孔扩张过程具有很好的相似性，故多采用柱形孔扩张理论对旁压试验机理进行分析。
The process of soil-squeezing is similar to cylindrical cavity expansion so that most of interpretation for SBPT is based on the theory of cavity expansion.
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