Some experimental protocols were introduced including mixed chimerism of allogeneic bone marrow, blockade of co-stimulation signal and transgene technology for transplantation tolerance induction.

On the basis of course aggregate void filling method,the design method of proportion of crumb rubber modified skeleton dense asphalt mixture(CRM-SDAM) named volume design procedure of skeleton interlocking dense asphalt mixture is put forward.

Development of rubber seal ring with outer case for push-pull rod;