Although human embryonic cells could offer potential therapies to curing many so far incurable diseases, the research is still in its initial stage.

The criterion can provide us reliable of valid experimental basis on crack resistance design and stage curing of mass concrete.

The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.