tortuosity
- 网络弯曲;扭曲;迂曲度;曲率;曲折度
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Tortuosity of the cervical portion of the carotid artery & report of 20 cases
颈段颈内动脉扭曲20例报告
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Characteristics and Diagnostic Value of Three-Dimensional Transparent Ultrasonography in Tortuosity of Extracranial Vertebral Artery
颅外段椎动脉扭曲的三维透明成像特征及诊断价值
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Retinal arteriolar tortuosity with retinal hemorrhage was first described in 1958 .
视网膜小动脉弯曲合并复发性视网膜出血在1958第一次被提出
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Solution of Hydraulic Tortuosity Factor in Porous Media and Its Application
多孔介质中水力学迂曲度因子的求取及应用
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Clinical characteristics in chest pain patients with coronary artery tortuosity without coronary stenosis
冠状动脉迂曲无狭窄的胸痛病人的临床分析
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Experiments Study On the Tortuosity Factor of Cu-based Methanol Synthesis Catalyst
铜基甲醇催化剂曲节因子实验研究
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Study on the Tortuosity of Chinese Modernization
中国现代化曲折性研究
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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
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Estimation of longitudinal disturbing force and tortuosity of ship movement
船舶运动纵向受扰力和受扰力矩估计方法研究
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The tortuosity of the socialist progress and the historical fate of it
社会主义进程的曲折性及其历史命运
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Determination of Tortuosity for Z-type Natural Gas Steam Reforming Catalyst
Z型天然气蒸汽转化催化剂弯曲因子的测定
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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;
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Determination of the Tortuosity and Calculation of the Effective Factor for C-type Natural Gas Steam Reforming Catalyst
天然气-蒸汽转化C型催化剂弯曲因子的测定与有效因子的计算
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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。
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The fracton dimension is related to the tortuosity of pore structure .
谱分维与孔隙结构的扭曲度具相关特性。
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Tortuosity of the Vertebral Artery and the Risk Factor for the Vertebral Artery Injury During Anterior Cervical Decompression
椎动脉扭曲与颈椎前路减压的危险性分析
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The tortuosity factor of a K-V catalyst for so_2 oxidation
SO2氧化用K-V工业催化剂曲节因子
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However , the coronary stenosis tortuosity and calcification rate of the two groups were similar ( P > 0.05 ) .
两组的冠脉狭窄,迂曲,钙化程度相似(P>0.05)。
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The Porosity and Tortuosity of Frost Layer
霜层的孔隙率和弯曲率
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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。
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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。
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THE ARTERIAL SUPPLY OF THE CERVICAL VERTEBRAL BODIES There was a correlation between vertebral artery tortuosity and cervical spondylotic change .
颈椎椎体的动脉供应椎动脉扭曲与颈椎退行性变有关。
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The reaction bonding generated from Al oxidation is expected to cluster individual Al2O3 particles , effectively increasing the tortuosity the leak paths .
通过Al的反应键合,可以将数个Al2O3颗粒联结起来,在某种程度上也增加了漏气通道的迂曲度。
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The development of many theories in biochemistry undergoes a process of tortuosity , which are good examples for spreading Marxist philosophy in biochemistry teaching .
许多生物化学的理论,其发展充满了曲折性,是进行马克思主义哲学思想教育的好例子。
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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。
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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。
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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。
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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。
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Objective : To evaluate the relevant factors between the tortuosity of the vertebral artery and the injury of the vertebral artery during anterior cervical decompression .
目的:探讨椎动脉扭曲与颈椎前路减压椎动脉损伤的危险性。
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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。