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

• 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。
• The tortuosity factor of two irregular shape pellets were measured using dynamic state method-single pellet string reactor method ( SPSRM).
  采用色谱法，在单颗粒线反应器中对两种异形多通孔催化剂的曲折因子进行了测定。
• 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 pore structure features small pore throat radius and low height-wide ratio, and much fractal dimension, big capillary tortuosity and high pore-throat radius ratio.
  孔隙结构特征表现为孔喉半径及其高宽比小，分形维数、毛细管弯曲度和孔-喉径比大。
• 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。
• Reviewing briefly the rise and decline of the flammable element theory, this article throws tight on the relativity and tortuosity of human's knowledge.
  本文通过对燃素说兴衰史的简单回顾，说明了人类认识的相对性和曲折性，以及应如何正确对待科学遗产。
• 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。
• 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
• 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 prediction precision on gas diffusion could be remarkably improved if the calculation precision of the molecular diffusion coefficient, porosity, and tortuosity is improved.
  改善分子扩散系数、孔隙度和曲折度的精度可以有效提高气体扩散的预测精度。