The relevant technologies such as composite cutting element, sandwich segment and steel hardening of the bit were used to make full use of the whole working layer of diamond drill bit resulted in great improvement of the life of the diamond bit and its efficiency based on the analysis on the characteristics of drill bit drilling through reinforced concrete and the damaging form of the bit.

Function and morphological characteristics of Chinese experimental suckling mini-pig hepatocytes cultured in sandwich;

Patato sandwich was made by patato as the main material and carrot and pork as supplementary material.

Iron/aluminium foam/iron and titanium/aluminium foam/titanium sandwiches were prepared by powder metallurgical foaming method.

Deformation of sandwich beams with spherical pore Al alloy foam core in three-point bending;

The failure modes and peak loads of sandwich beams with this Al alloy foam core were measured which was in good agreement with theoretic values.

Sandwich treatment of interventional chemotherapy ,3D-CRT and interventional chemotherapy was given .

Study of decalcified dental matrix in alveolar ridge augment with modified sandwich techniques in dogs;

Crashworthiness performance simulation on sandwich panels of high-speed train cab;