With HNO3 and H2O2 digestion, a method for determination of selenium in pea vermicelli by sequenceinjection hydride generation-atomic fluorescence spectrometry was developed.
以HNO3和H2O2溶解样品，建立了顺序注射氢化物发生-原子荧光法测定豌豆粉丝中硒的分析方法。
2
The injection mould parting line and its sequence as sizing space split were described.
主要阐述了注射模的分型面以及它的顺序、定距分型。
3
But in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.