0 a type of plastic used for many purposes, such as food packaging, making ropes, and making artificial fabrics -- 聚丙烯
The grids were constructed from polypropylene, a material which floats in water.
The seedlings were covered with polypropylene tops to promote seed germination.
In addition, all injection molded par ts are assumed to be polypropylene, all metal bases are aluminum, and all heating plates are steel.
The gas transfer has been maximised by careful use of the blood/gas configuration features (respectively around and inside the hollow polypropylene fibre).
Samples were collected in clean (washed with 5% hydrochloric acid and rinsed five to ten times with deionized water) polypropylene bottles.
Two types of surface are currently used in dairy factories: stainless steel and polypropylene sheets.
They were transported from the field in polypropylene bags and shaded from direct sunlight with a canvas screen.
Longitudinal arteriotomy was carried out, and 4 interrupted mattress sutures of 4-0 polypropylene were used to close the fistula.
