通風柜

sa — Sun, 05 Jul 2020 02:56:08 +0000

◎通風柜是實驗室中最常用的一種局部排風設備，種類繁多，由于其結構不同，使用的條件不同，其排風效果也不相同。通風柜的性能好環，主要取決于通過通風柜空氣移動的速度。
◎ Laboratory fume hood is most comm only used as a local ventila tion equipment, a wide range, because of their different structures, different conditions, the exhaust effect is not the same. Good ring fume hood performance, depending on the speed of movement of air through the fume hood.

? 通風柜按照使用狀態分類可分為整體式下部開放式、落地式、兩面式、三面玻璃式、桌上式、連體式以及根據不同實驗使用需要而設計的對放射性實驗的、對合成實驗的，對過氯酸實驗的專用通風柜。
◎ Fume hood status classification can be divided according to the use of integral lower open type, floor-standing, two, three-surface glass type, table type, Siamese and depending on the needs of the design of experiments using radioactive experiments on synthesis experiment for perchloric acid experiments dedicated fume hood.

久一久久,国产精品毛片无码,99国产精品久久久久久久久久

通風柜