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运用流体自身重力克服流动阻力,设计在线级联稀释系统,稀释比可以达到1010.54倍;控制合理的操作参数U’1,U’2,在适宜的稀释比下,相对标准偏差在2.5%以内,得到良好的重现性;在线级联稀释也消除了化学反应和粘度影响等干扰因素。
Using the gravity of the fluid to overcome the flow resistance, an in-line cascade dilution system was designed with the dilution ratio up to 1010.54 times. The control parameters U’1 and U’2 were reasonable. The relative standard deviation was within 2.5% Good reproducibility; online cascading dilution also eliminates interferences such as chemical reactions and viscosity effects.