Holiday weather averages & long term forecast for worldwide destinations. Guide to where's hot & sunny. Research & book your perfect holiday in the sun
Since pre-industrial times, the world’s oceans have warmed by an average of 1 degree Celsius. Now researchers report that those rising temperatures have led to widespread changes in the population size of marine(海洋的)species. A new study from the University of Bristol,UK, aims to find out...
Some of them employ operation at cryogenic temperatures using the advantages of higher thermal conductivity and higher gain at low temperatures [20,21]. In this paper, we present a review of the current status of high average power diode-pumped lasers being developed at the HiLASE Centre. First...