Huawei will mount its biggest challenge to rival high-end smartphone makers with a revamped flagship device and big budget advertising campaign designed to win ...

Tim Cook, CEO of Apple Inc, said that the US tech giant will partner with Chinas Tsinghua University to create a joint research center that will focus on advanc...

1.The most famous and spectacular meteor shower, the annual Perseids, will peak on August 12th.1.一年一度的英仙座流星雨是最知名、最壮丽的流星雨，一般在8月12日超过高峰。

日前，中国科学院上海硅酸盐研究所研究员苏良碧课题组与山东师范大学、山东大学、哈尔滨工业大学等机构合作，基于“稀土闪烁离子局域格位结构设计”的思想，利用三价稀土离子在萤石型结构晶体CaF2／SrF2中自发性富含构成离子团簇的特性，通过合理的掺入机制提升转录离子间的相互作用效率，在低浓度掺入的情况下构建了打破Stokes量...