As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescentindicator adsorption method.
含催化馏份的车用汽油，烯烃含量大，用荧光指示剂吸附法不易测准汽油的族组成。
2
Objective to approach the adaptability of the culture system of a rapid fluorescent growth indicator tube, using various strains of acid-fast mycobacterium.
目的探讨快速荧光生长指示管培养法对各种抗酸分支杆菌菌株培养的适应性。
3
The tester is additionally connected with a filament switching indicator and a pair of direct current output poles for testing the condition of the filament of a fluorescent lamp.