This work reports the design of an efficient multiband UC system based on Ln3+/Yb3+-doped core-shell upconversion ...

After delays out of consideration for hostages returning from captivity, including those who came back in coffins, the IDF ...

AFTER the publication of the implementing rules and regulations (IRR) of Republic Act (RA) 12000, also known as the Negros Island Region (NIR) Act, which includ ...