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。

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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。

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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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