Extracting nonvolatile and semivolatile organic compounds from soils, sludges and waste.

土壤,淤泥和废弃物中萃取非挥发及半挥发有机物.

Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called “chondritic porous” IDPs.

有在一类被称作“多孔球粒陨石”的行星尘埃颗粒（IDPs）中见到了较多的半挥发性元素。