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

土壤,淤泥和废弃物中萃发及半发有机物.

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

曾有报告在一类被称作“多孔石”的行星尘埃颗（IDPs）中见到了较多的半发性元素。