A real-time laser particulate detector which is well suited for measuring the concentration of particles in FCC gas streams was developed by using aser and near-forword light-scatter technique.
介绍了利用激光及正前向光散射技术研制的一种激光粒子浓度监测仪，它适用于催化裂化装置烟气粉尘浓度的实时监测。
These are the kindreds of the sons of Aser, and their number fifty-three thousand four hundred.
以上是阿协尔子孙的家族，登记的人数共计五万三千四百。
And over against them shall stand on mount Hebal to curse: Ruben, Gad, and Aser, and Zabulon, Dan, and Nephtali.
站在厄巴耳山上宣布诅咒的，是勒乌本、加得、阿协尔、则步隆、丹和纳斐塔里。
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