We successfully used the metal mediated-wafer bonding technique in transferring the as-grown cubic GaN LED structure of Si substrate. The absorbing GaAs substra
Age is one of the most important factor during the people who is learning foreign language. This paper ehbrates on critical period hypothesis in second language
The mirror extending approach proposed by Zhao and Huang 9in EMD method is improved in this paper.Mirror extending manner of data is kept unchanged, but the appr
Tempering is an important phenomenon in ferrous alloys. Most steels, especially alloy-ing steels, are used after quenching and tempering. To design the composit