The results show that pre-polymer degraded quickly in the hot water, but degraded more slowly in the phosphoric acid buffer solution at 310 K.
结果表明预聚物在热水中降解很快，而在310 K的磷酸缓冲溶液中降解要慢的多。
2
The device is a pre-molded polymer foam liner that is placed inside the bathtub or shower unit and that is then removed upon the completion of the construction.
该设备是一种预成型聚合物泡沫衬垫是内部的浴缸或淋浴放在单位，然后根据建造完成删除。
3
The blown and drawn pre-form may be cooled, coated with a polymer layer, and cut into a ribbon by in-line devices as it exits the air bearing.