The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
The body has an upper section (12) with an inlet (18), a lower section (14) with an outlet (20), and a mid section (16) between the upper and lower sections.
Looking like a large wall jigsaw puzzle the mattress stands upright in four sections surrounding five storage shelves which are suspended in mid-air by a wall mounted frame.