1·The fluoride concentration in the trapping solution is determined directly in the diffusion dish, after neutralization and buffering with a fluoride-sensitive electrode.
采用氟化物敏感电极，经中和和缓冲，在扩散盘中可直接测得捕集溶液中的氟化物浓度。
2·The research results provide the scientific basis for the application of electrostatic trapping technology in controlling the diesel particulate emission.
研究结果为静电捕集技术在柴油机微粒排放控制方面的应用提供了理论依据。
3·Meanwhile, the principles of sidestream smoke trapping and the selection of analytical conditions were also discussed.
同时，还对卷烟侧流烟气的捕集原则、侧流烟气的测试条件选择等进行了讨论。
4·A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel.
针对壁流式过滤体捕集微细颗粒物的过程，建立了描述通道内流场和颗粒层分布的一维非稳态模型。
5·Two trapping methods are discussed in accordance with the situation to disorderly discharge smoke and dust on electric furnace slag field and the features of the smoke and dust.
针对电炉渣场烟尘无组织排放和烟尘性质较为特殊的特点，探讨了两种渣场烟尘捕集方式。