顆粒會散射光更加廣闊,部分顆粒還會吸收光。DCP 使用一束 LED 光合作,下列關(guān)系式描述了其基本原理。該分析基于光散射的一種簡化形式,即濁度勇探新路。該分析基于光散射的一種簡化形式長遠所需,即濁度。靜態(tài)和動態(tài)光散射通過量化散射光來計算粒徑擴大,而濁度只需要能夠測量由于散射和/或吸收而損失的光不斷發展,本質(zhì)上是通過透射率的降低來實現(xiàn)的。
It = ?I0 exp (-Qext * C * L)? 其中 I0 為入射光強度拓展應用,It 為透射光強度
BI-DCP 獲得的最終粒徑分布取決于流體動力學(xué)線上線下,因為這決定了粒子帶到達檢測器所需的時間保供。在考慮具有復(fù)雜折射率的材料(如金屬和金屬氧化物顆粒)時,光學(xué)校正變得更加困難知識和技能。這類樣品更適合采用 X 射線檢測技術創新。原子質(zhì)量較高的納米材料往往具有更高的密度,因此沉降速度更快進行部署。金屬和金屬氧化物顆粒通常如此生產體系。
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