HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.
高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
PURPOSE: the spinal disks are rich in water and without blood supply, and the nutritional materials are sent to the disks by mean of diffusion.
目的：椎间盘是个富含水分且没有血供的结构，其营养成分主要通过周围血管扩散的方式供应。
Air supply diffusion devices should be as far away from fume hoods as possible and have low exit velocities.
送风口位置应尽可能远离通风柜，且其送风风口流速应尽可能低。
Air supply diffusion devices should be as far away from fume hoods as possible and have low exit velocities.
送风口位置应尽可能远离通风柜，且其送风风口流速应尽可能低。
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