Nanoporous copper (NPC) and nanoporous copper-nickel (NPC-Ni) can be prepared by free corrosion dealloying Mn 7 2 Cu 2 8 − x Ni x (x = 0, 1, 3 at.% Ni) precursor alloys. Microscopic morphology ...

In one-dimensional (1D) liquid crystal optical phased array (LCOPA) device, liquid crystal molecular is controlled by discrete strip-shaped electrodes. The size of electrodes influences directly the ...

Hong Kong’s school curriculum framework has been revised to incorporate national education elements in more subjects, including English, maths, music, visual arts and sports. Teaching examples ...