MANILA, Philippines (AP) — Philippine officials say death toll in flooding caused by Typhoon Kalmaegi has risen to 114 with 127 reported missing.
本研究通过水热法结合甲酰胺辅助剥离合成CoAl-LDH/SnO???纳米复合材料,形成n–n异质结与氧空位协同效应,显著提升析氢活性 ...
As the nippy air starts to permeate our homes, many are exploring ways to fend off the cold without resorting to cranking up the heating and incurring hefty energy bills. While heated blankets and ...