6 . the tortuosity factor ( f ) was an important geometric parameter , which affected ion ' s diffusion and varied at different levels of water content 半对数方程（ f a blnw ）是拟合土壤曲折系数什）与含水量（ w ）的最佳关系式。
3.
A 54 years - old male progressively developed ptosis , conjunctival vessels engorgement and tortuosity , eom limitation , diplopia and elevation of intraocular pressure of right eye following a motorcycle accident 摘要一名54岁男性病患，因头部外伤而发生右侧颈动脉海绵窦瘘管，并发眼球突出、眼睑下垂、眼球运动受损、结膜血管扩张、眼压上升等眼部症状。
4.
Considering the viscous interaction between the kernel and the air inside the grain the paper shows the dynamic tortuosity function in grain . considering the thermal exchanges between the kernel and the air the paper shows the dynamic permeability function in grain 考虑准多孔介质声传播中存在空气与颗粒间的粘滞力和惯性力，推导出准多孔介质中孔隙动态曲折度函数表达式。
5.
What ' s more this thesis applies modern property right theory and enterprises theory to analyzing the main existing problems of our state - owned enterprises one by one . through analysis the author points out that the real and severest problem of state - owned enterprises is the distortion of their property right institution arrangement . we may also say , the problem is the microcosmic property right tortuosity caused by the macro " unreal existing " or phantom of their owner 更进一步，本文用现代的产权理论和企业理论对我国国有企业的主要存在问题进行一一分析，指出我国国有企业的真正问题在于产权制度安排的不合理，在于宏观层面上的所有者“虚位”以及由此而导致的微观层面上的企业内部产权扭曲。
6.
Abstract : the author provides a method for solution of hydraulic tortuosity factor with gas permeability in cores according to the definition of hydraulic tortuosity factor and relations between pore radius porosity and permeability in porous media and give examples of some applications in reservoir experimental studies 文摘:根据水力学迂曲度因子的定义以及迂曲度因子与多孔介质中孔隙半径、孔隙度、渗透率的关系,提出了一种利用气测岩心渗透率求取岩心水利学迂曲度因子的方法,并例举了其在油藏实验研究中的几种应用情况。
7.
Results contrast with the unimproved or some previous models , the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor , such as vascular tortuosity , branching and anastomosis , are closer to the physiological facts and more resemble the experimental observations 结果对盲肠肿瘤微血管网进行数值模拟，与改进前的模型和其他模型比较，本模型生成的肿瘤微血管网结构特征，如血管的走向、扭曲、分叉与融合等，更接近生理实际，与实验观测图像的相似度更高。
