The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range, good sensitivity and restraining the intensity fluctuation noise.
本文采用双光路激光系统，对亚麻尘的相对浓度进行了连续测量，具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
Because of its low relative volatility with other components in system and its heat sensitivity, the separation difficulties and energy consumption are increased.
因其与其它组分间的相对挥发度很小，且本身又是热敏性物料，故分离难度大，能耗高。
Because of its low relative volatility with other components in system and its heat sensitivity, the separation difficulties and energy consumption are increased.
因其与其它组分间的相对挥发度很小，且本身又是热敏性物料，故分离难度大，能耗高。
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