【正文】 placement marking is certified by a professional to ensure a face velocity of maintained across the front of the fume hood窗框放置標記是由專業(yè)人員認定的 ,以保證在通風櫥的前部表面速度保持在 下載 Fume Hoods cont’d通風櫥 ? Leave sash lowered when: 將窗框拉下 – Not attending experiment不需要人看管的實驗 – Overnight隔夜 下載 Fume Hoods cont’d通風櫥 ? Avoid rapid movement around the fume hood避免在通風櫥周圍快速移動 – A technician walking rapidly past the front of a fume hood will cause turbulence in the air技術人員快速走過通風櫥 ,會引起空氣擾動 ? Result: Air from the inside of the fume hood is drawn out, and follows the technician后果 :空氣從通風櫥中溢出 ,隨操作人員的方向流動 下載 Fume Hoods cont’d通風櫥 ? All equipment/apparatus must be placed at least 6 inches behind the front of the fume hood所有設備 /儀器須置