tortuosity

英

美

网络  扭曲; 弯曲; 曲率; 曲折度; 迂曲度

化学

英英释义

noun

• a tortuous and twisted shape or position
  1. they built a tree house in the tortuosities of its boughs
  2. the acrobat performed incredible contortions
  Synonym:tortuousnesstorsioncontortioncrookedness

双语例句

• Objective: Varicose vein is a collective term which describes the distension, lengthening and tortuosity of veins.
  前言：目的：了解睾丸静脉和卵巢静脉的变异。
• When contrast-enhanced CT depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta, the comb sign is produced.
  当增强CT显示血管扩张、迂曲而血管增多的肠系膜和广泛分布的直小血管，产生梳征。
• It is suggested that the long-term polymer drive has resulted in enlarging some small pore throats, improving the communication among pores and reducing pore tortuosity in the reservoirs.
  通过分析认为，储层经过长期注入聚合物后，使一部分小喉道变大，孔隙之间的畅通性进一步变好，孔隙迂曲程度减小。
• Air permeability is not only related with the void numbers, but also connected with the morphological structure, arrangement, tortuosity and distribution of the voids.
  气流流过集合体时不仅与空隙的多少有关，而且与空隙的形状、曲折程度、排列和孔径的分布有关。
• The results obtained for different gas systems quite close each other, the tortuosity of the catalyst is about 2.3.
  不同气体体系所得的结果彼此十分接近，该催化剂的弯曲因子大约为2.3。
• A comprehensive characteristic parameter ( including porosity, thickness and tortuosity) was found more effective to express the influence of membrane structure in gas permeation process.
  提出了一个多孔膜结构综合参数的概念。用此综合参数来表征多孔膜结构对气体渗透传质性能的影响更合理、更有效和更直观。
• The key points to maintain high success rate and low complication are to adhere to the interventional learning curve and to exclude severe calcification, significant tortuosity and/ or diffuse long lesion.
  保持高成功率和低并发症发生率的关键，一是遵循学习曲线规律，二是排除重度钙化、高度弯曲和过长的病变。
• The first recognizable abnormality is increased tortuosity and thickening of the arteries which may compress the underlying veins.
  首先见到的改变是动脉弯曲度的增加和管壁的增厚，它可压迫其下面的静脉。
• Simple stenosis was found in 11 cases, stenosis associated with occlusion of internal carotid system in 8 cases, stenosis complicated with arterial tortuosity in 4 cases, stenosis associated with tortuosity and occlusion of the siphon section in 1 case.
  其中单纯狭窄11例，狭窄合并颈内动脉系统闭塞者8例，狭窄合并动脉扭曲4例，狭窄合并扭曲及颈内动脉虹吸段闭塞1例。
• Furthermore, cell performance was investigated in terms of different structure parameters of porous electrode ( porosity, tortuosity and pore size), all of which have a significant effect on it.
  进一步研究表明多孔电极结构参数（孔隙率、曲折因子与孔径尺寸）对电池性能有十分重要的影响。