Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.
药物可通过被动扩散、易化被动扩散、主动转运或胞饮作用等方式穿越生物屏障。
Based on mechanism of human sight, the facula diffusion method is advanced to detect individual cross-sections in the image and takes out the contours of them.
在人眼视觉机理的基础上，提出光斑扩散方法，用来探测图像中各个纤维截面并得到其轮廓线。
For avoiding the diffusion of the gas containing bacteria in the tube of the respiration apparatus to pollute the air in ward and make the cross-infection.
为防止呼吸机呼气管道中的含菌气体扩散污染病房空气，引发交叉感染。
Collision cross sections as well as electrical conductivity, thermal conductivity, diffusion coefficients and viscosity coefficients of an inductively coupled argon plasma are calculated.
本文计算了电感耦合氩等离子体中各碰撞截面及电导、热导、扩散和粘滞系数。
The simulation is developed by using cross flow mathematical model and solution-diffusion model for natural gas separation process in spiral-wound membrane modul.
利用错流流动模型及膜渗透的溶解-扩散机理，对螺旋卷式膜组件中天然气的分离过程进行了模拟计算。
Supported by modern conveyances, spatial diffusion of culture is becoming easier and easier. But, cross-cultural contact which based on tourism brings huge challenge to local culture with it.
在现代交通工具的支持下，使得文化的扩散空前容易，也使得以旅游为载体的跨文化交流给旅游目的地居民带来了前所未有的冲击。
Supported by modern conveyances, spatial diffusion of culture is becoming easier and easier. But, cross-cultural contact which based on tourism brings huge challenge to local culture with it.
在现代交通工具的支持下，使得文化的扩散空前容易，也使得以旅游为载体的跨文化交流给旅游目的地居民带来了前所未有的冲击。
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