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

• 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 mechanism of this technique can be summarized as the joint changes of hole trajectory deviation to make the hole axial line be tortuosity.
  这种技术的机理可概括为井眼轨迹井斜和方位的联合变化，造成井眼轴线具有空间挠曲和弯曲特性。弯曲主要体现为狗腿度，挠曲就体现为井眼的扭转。
• 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。
• A method of determining the tortuosity factor of the catalyst particles for synthesis of ammonia
  氨合成催化剂颗粒曲折率的一种测定方法
• 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。
• TPB length, porosity, and tortuosity factor of pores are calculated during kMC sintering. And the effects of particle size and its distribution and sintering temperature are studied.
  在模拟烧结的过程中计算了三相线长度，孔隙率和气孔曲折因子的演变，并系统研究了粒子尺寸，粒径分布和烧结温度的影响。
• By decreasing the tortuosity factor and the particle density, the effectiveness factors diminished significantly;
  随曲节因子和颗粒密度的增加而显著减小；
• 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。
• The presence of aggregates in cement-based materials might modify the pore structure of hardened cement paste, and its dilution effect and tortuosity effect could reduce chloride transport properties.
  骨料改变了水泥基复合材料中浆体的孔结构，其稀释效应和曲折效应降低了氯离子的传输性能；