In March 2021,Australia\'s Great Barrier Reef played host to a rare field test of marine cloud brightening(MCB)technol......

GPS源(Gigahertz-peaked spectrum sources)是一类射电结构非常致密的射电噪活动星系核(AGN),它们的射电谱峰值频率在1GHz左右。GP......

An algorithm based on hyperspectral infrared cloudy radiative transfer model (HIRTM) is introduced and a simulation meth......

采用果胶酶制剂酶解杏浆制取混浊杏汁,研究了不同酶处理条件对杏浆酶解的效果.结果表明:最佳酶处理条件为在52 ℃下水解120 min,果......

April 24, 2018 Tuesday Cloudy This morning, I went to school early. When I got to the school gate, I saw a boy fall off ......